Job description Job Title: DevOps Architect (Migration Specialist (ADO to GitHub)) Location: [Onsite/Remote specify] Experience: 10+ years Employment Type: Full-Time / Contract Job Summary: We are seeking a skilled DevOps Migration Specialist to lead and execute the migration of Azure DevOps (ADO) assetsincluding repositories, pipelines, permissions, and work itemsto GitHub. The ideal candidate will have strong expertise in GitHub Enterprise, CI/CD transformation, and experience with both Git-based and TFVC repositories. The role requires deep understanding of YAML pipelines, GitHub Actions, and integration with issue tracking tools such as Jira. Key Responsibilities: Lead end-to-end migration of ADO components to GitHub, using tools such as GitHub Enterprise Importer. Migrate permissions, repos (Git/TFVC), pipelines (classic and YAML), and extensions. Transition work items and boards from ADO to GitHub Issues or integrate with 3rd-party tools like JIRA. Reconfigure pipelines into GitHub-native YAML workflows ensuring parity with legacy functionality. Migrate and validate ADO extensions for GitHub compatibility and usage. Coordinate with stakeholders for pre-migration assessment, cutover planning, and post-migration validation. Ensure secure and compliant handling of user roles, access control, and integrations. Provide technical documentation and training support to teams during the transition. Required Skills: Hands-on experience in Azure DevOps (Boards, Pipelines, Repos) and GitHub (including Enterprise version). Strong knowledge of Git, TFVC, YAML pipelines, and GitHub Actions. Familiarity with migration tools like GitHub Enterprise Importer or custom scripts. Understanding of permission models, CI/CD workflows, and DevOps governance. Experience with JIRA or other issue tracking systems. Excellent troubleshooting, communication, and documentation skills. Interested candidates share the profile with jayaprakashn@newtglobalcorp.com for more details contact 9840239366 Regards, Jayaprakash Nataraj Sr.Manager - TAG | Newt Global | Mobile :+91- 9840239366 Role: DevOps Consultant / Architect Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: DevOps Education UG: Graduation Not Required Key Skills Skills highlighted with ‘‘ are preferred keyskills GithubADOJIRAAzure Devops Azure PipelinesCi/Cd

Job description Career Area: Manufacturing : Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Role Definition Understand enterprise resource planning (ERP)/product lifecycle management (PLM) requirements from facilities and provide solutions/ support by directly working with facility manufacturing team and Caterpillar IT team on process design, development and documentation on Teamcenter Manufacturing deployment and other duties as assigned. Provides functional and technical expertise necessary to design all aspects of production, costs, quality, compliance to safety guidelines, and environmental requirements for traditional/digital manufacturing. Typically reports to a supervisor. Job Functions Typical functional/technical expert but not limited functions related to roles equivalent to System Architect, Assembly Planner, Facility Planner, Bill of Materials Manager, Configuration Engineer. Responsibilities Gathering, capturing, integrating, analysing, and using data to increase efficiency and reduce errors throughout the manufacturing process. Ideate, Implement and maintain Digital Manufacturing solution. Project management, coordination, identifying and addressing problem areas in deploying Digital solutions. Support facilities in identifying and implementing enhancements and modifications to adopt Digital Solutions for complex manufacturing processes. Leading development/deployment support on planning, development, operation, and maintenance of bill of materials, processes, or resource tools in Teamcenter Manufacturing. Coordinate with cross functional team - Design, Engineering, Production, Manufacturing Engineering, Quality, IT etc. for deploying solutions. Ensure development of new features and continuous improvement Implementation and sign off of digital solutions. Providing direct/indirect supervision, coaching and development for operations technical staff and support areas. Good multitasking and communication skills Degree/Experience Requirement BE/ME (Mechanical/Mechatronics/Digital Manufacturing) or 8-10 years of combined experience in fields of Manufacturing\Manufacturing Systems\Automation\Digital\IIOT desired. Good knowledge on Industry 4.0, Experience in ERP/MES Implementation desired. Have exposure to implementation of at least. one or more end to end digital/IIoT solution. Skill Descriptors Decision Making and Critical ThinkingKnowledge of the decision-making process and associated tools and techniques; ability to accurately analyze situations and reach productive decisions based on informed judgment. Level Extensive Experience: Differentiates assumptions, perspectives, and historical frameworks. Evaluates past decisions for insights to improve decision-making process. Assesses and validates decision options and points and predicts their potential impact. Advises others in analyzing and synthesizing relevant data and assessing alternatives. Uses effective decision-making approaches such as consultative, command, or consensus. Ensures that assumptions and received wisdom are objectively analyzed in decisions. Judgment and Decision MakingKnowledge of the decision-making process; ability to carefully evaluate the impact of emerging business situations and choose the best path forward communicating actions and activities that maximize organizational performance. Level Working Knowledge: Discerns between "signal" and "noise" when considering courses of action. Selects the right activities to work on from a range of competing priorities. Stands by decisions in the face of conflict or unexpected outcome. Makes the transition from evalu

Job description Career Area: Engineering : Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do - but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here - we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. Electrical Wiring Harness Design Engineer As an Engineer, you will have the opportunity to contribute to the concept, development, and design of Electrical Wiring Harness while strengthening your electrical skills and mastery of engineering design concepts within Electrical Center of excellence team. You will partner with local/global teams. You will contribute to the planning and delivery of projects, continually learn and stay abreast of innovative technology, and broaden your professional network. This position performs complex electrical integration work, identifies design problems, and resolves problems. The major focus of the job is on technical delivery. Job Duties/Responsibilities may include, but are not limited to: Design/Develop Electrical Wiring harness for various Caterpillar machines Get involved and contribute in Development Perform electrical analysis and initiate ideas Evaluate new products, processes, or systems Communicate results to customers, suppliers, team members, and other business units Perform product maintenance /Resolve electrical design related issues Required Qualification: Requires a bachelor s degree in electrical or electrical & electronics engineering with 1-3 years experience in Automotive electrical or Heavy engineering electrical. Requires experience in Pro/E -Creo cabling. Incumbents must have excellent analytical skills and the ability to perform complex assignments. Requires a self-starter with technical skills. Must have ability to communicate technical information effectively with team members and others in the work group, as well as product groups, customers, and suppliers. Desired Qualification Bachelor s degree in Electrical Engineering, or Electrical & Electronics Engineering, Pro/E -Creo Experience Design for Manufacturability (DFM)Knowledge of design for manufacturability guidelines, methodologies, and use cases; ability to use this knowledge to optimize product designs and manufacturing operations. Level Working Knowledge Analyzes the implementation challenges of DFM methodologies and shares them with their supervisors. Documents each stage of the design process for audit and review purposes. Follows standard guidelines and best practices while carrying out DFM procedures. Implements DFM methodologies to standardize product designs, simplify operations, and reduce costs for certain types of manufacturing processes. Utilizes basic DFM tools and technologies to implement DFM methodologies. Effective CommunicationsUnderstanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors. Level Working Knowledge Delivers helpful feedback that focuses on behaviors without offending the recipient. Listens to feedback without defensiveness and uses it for own communication effectiveness. Makes oral presentations and writes reports needed for own work. Avoids technical jargon when inappropriate. Looks for and considers non-verbal cues from individuals and groups. Product TestingKnowledge of product testing approaches, techniques and tools; ability to design, plan and execute testing strategies and tactics to ensure product quality at all stages of manufacturing. Level Working Knowledge Documents test process and results; prepares and analyzes defect-tracking reports. Summarizes features of a specific product-testing process and associated procedures. Tests components for co

Job description Job Description GENERAL SUMMARY State the main purpose(s) of the job in the organization. What is the general level of responsibility? Network Engineer will be responsible for day-to-day operations/alerts/events. Person should have deep understanding of ITIL & technical processes and ensure adherence to it. Person will be responsible for working with different cross functional teams to onboard new transitions & processes or improving the existing ones. This role requires specialized technical skills in Windows/Linux/Monitoring tools/Network/Database to handle technical escalations. Person will be responsible for managing functional escalations and will be working as representative of NOC function. COMPETENCIES Drive for Results Innovation & Agility Leading & Enabling Change Building Effective Partnerships Developing Self & Others . Band: Band 5 Band Description: Complex Processor; understands complex processes and takes initiative to improve them. Generally under general supervision to direction. Strong knowledge and application of techniques, procedures, standards, and policies. Band Competencies: Manages time and competing priorities to complete assignments, applies learning to solve problems in new ways, understands and supports change, supports and collaborates with others; open to diverse views, develops self and supports team learning. (Please refer to the for a more detailed description) PRINCIPAL RESPONSIBILITIES State the primary responsibilities of the role and the primary tasks for each function. Working as NOC Engineer in 24x7 support, monitoring of day to day operations/alerts/events, ensuring process adherence. Providing overall guidance and supervision to the team. 30% Leading technical transitions & getting required technical upskilling. Managing technical/functional escalations and coming up with the resolution. Acting as process owner of Level 2 Support & Event management and liaison with other service management processes 30% Identifying gaps and improvement areas. Formulate and implement corrective measures. Organize and prioritize workload. Imbibing new ideas & suggestions for overall growth/improvement of process 15% Maintaining documentation of new technical transitions/processes and ensuring the knowledge transfer to the team 10% To prepare management reports & dashboards to track the critical KPIs 10% Perform other duties, as assigned. 5% TOTAL 100% MINIMUM REQUIREMENTS EDUCATION: Bachelors FIELD OF STUDY: Computers, IT EXPERIENCE: 5+ Years CERTIFICATION(S): ITIL, CCNA KNOWLEDGE, SKILLS, ABILITIES, AND OTHER ATTRIBUTES: Strong experience of Palo Alto Firewall installation, management & support on prem as well as in cloud like AWS, Azure along with Global Protect VPN Strong Working knowledge of Routing protocol like BGP, OSPF, EIGRP, VRF and Switching technologies like LACP, STP, Trucking, VPC, dot1x Working knowledge on Cisco SDWAN Good knowledge of Cisco ISE, Posturing and Meraki Wireless Good Knowledge of Cisco Umbrella Good Understanding of Cloud (Azure, AWS) networking Work with Security team to fix vulnerabilities identified in network devices. Facilitate investigation of complex technical issues. Identify and escalate issues and work with vendors till issue closure, provide RCA. Monitor instructions received or sent via internal monitoring system. Perform health checks, system connectivity, consistency, and data integrity. Understanding of Datacenter architecture, Network links LAN/WAN, routers, switches & interfaces Virtualization, Windows & Storage. Consistent track record in bringing in innovative ideas and its implementation to improve the overall effectiveness of NOC. Good Experience of ITIL Processes i.e. Incident/Problem/Change/Event Management Advanced proficiency with MS Office Tools, Visio, Service Now, Reporting Good communication & interpersonal skills. Standout Colleague & self-motivating. Skill Set Tools: Palo Alto, Cisco routing & switching, F5 Load balancers, Avaya, SolarWinds, CA APM, Splunk, ExtraHop, Nagios, Basic OS understanding. PREFERRED QUALIFICATIONS

Job description Responsibilities: Develop and maintain Appian applications and good understanding on integrations with other systems. Must have excellent knowledge of core Appian concepts, records, interfaces, process models, deployments using pipeline, integrations, Web API's Must have good knowledge of backend services, configurations & infrastructure necessary to build and maintain the platform read more Key Skills Skills highlighted with ‘‘ are preferred keyskills JavaAppian Cicd PipelineAppian Bpm

Job description The ideal candidate will have a deep understanding of automation, configuration management, and infrastructure-as-code principles, with a strong focus on Ansible. You will work closely with developers, system administrators, and other collaborators to automate infrastructure related processes, improve deployment pipelines, and ensure consistent configurations across multiple environments. The Infrastructure Automation Engineer will be responsible for developing innovative self-service solutions for our global workforce and further enhancing our self-service automation built using Ansible. As part of a scaled Agile product delivery team, the Developer works closely with product feature owners, project collaborators, operational support teams, peer developers and testers to develop solutions to enhance self-service capabilities and solve business problems by identifying requirements, conducting feasibility analysis, proof of concepts and design sessions. The Developer serves as a subject matter expert on the design, integration and operability of solutions to support innovation initiatives with business partners and shared services technology teams. Please note, this is an onsite role based in Hyderabad. Key Responsibilities: Automating repetitive IT tasks - Collaborate with multi-functional teams to gather requirements and build automation solutions for infrastructure provisioning, configuration management, and software deployment. Configuration Management - Design, implement, and maintain code including Ansible playbooks, roles, and inventories for automating system configurations and deployments and ensuring consistency Ensure the scalability, reliability, and security of automated solutions. Troubleshoot and resolve issues related to automation scripts, infrastructure, and deployments. Perform infrastructure automation assessments, implementations, providing solutions to increase efficiency, repeatability, and consistency. DevOps Facilite continuous integration and deployment (CI/CD) Orchestration Coordinating multiple automated tasks across systems Develop and maintain clear, reusable, and version-controlled playbooks and scripts. Manage and optimize cloud infrastructure using Ansible and terraform automation (AWS, Azure, GCP, etc.). Continuously improve automation workflows and practices to enhance speed, quality, and reliability. Ensure that infrastructure automation adheres to best practices, security standards, and regulatory requirements. Document and maintain processes, configurations, and changes in the automation infrastructure. Participate in design review, client requirements sessions and development teams to deliver features and capabilities supporting automation initiatives Collaborate with product owners, collaborators, testers and other developers to understand, estimate, prioritize and implement solutions Design, code, debug, document, deploy and maintain solutions in a highly efficient and effective manner Participate in problem analysis, code review, and system design Remain current on new technology and apply innovation to improve functionality Collaborate closely with collaborators and team members to configure, improve and maintain current applications Work directly with users to resolve support issues within product team responsibilities Monitor health, performance and usage of developed solutions What we expect of you We are all different, yet we all use our unique contributions to serve patients. Basic Qualifications: Bachelors degree and 0 to 3 years of computer science, IT, or related field experience OR Diploma and 4 to 7 years of computer science, IT, or related field experience Deep hands-on experience with Ansible including playbooks, roles, and modules Proven experience as an Ansible Engineer or in a similar automation role Scripting skills in Python, Bash, or other programming languages Proficiency expertise in Terraform & CloudFormation for AWS infrastructure automation Experience with other configuration management tools (e.g., Puppet, Chef). Experience with Linux admin

Job description What you will do In this vital role you will play a crucial role in ensuring the security and integrity of the company's information systems. You will develop and implement security measures, conduct vulnerability assessments, monitor network traffic, and respond to security incidents. Your expertise in security protocols, threat detection, and incident response will contribute to safeguarding the company's data and systems from potential cyber threats. Roles & Responsibilities: Manage Amgen's single sign-on platforms like Okta and Microsoft Entra ID, oversee multifactor authentication services, and support the B2B environment for external partners. Engage in enterprise projects, including migrating on-premises Access services to the SaaS solutions. Monitor system performance and operational metrics, carry out preventative maintenance tasks, and automate regular procedures. Take responsibility and ownership for completing system owner assigned tasks and addressing compliance-related requests. Develop and update technical documentation, including standard operating procedures (SOPs), design documents, operational diagrams, manuals, and more. Perform regular hardware and software audits on servers and applications to verify they adhere to established standards, policies, and configuration guidelines. Basic Qualifications: Masters or Bachelors degree and 0- 3 years of Information Systems experience or related field OR Diploma degree and 4 - 7 years of Information Systems experience or related field. Preferred Qualifications: Must-Have Skills: Ability to analyze and interpret complex data to identify and remediate issues. Experience supporting Identity Provisioning platforms. Sharp learning agility, problem-solving and analytical thinking . Good-to-Have Skills: Experience with IS Security. Proficiency in scripting and automation is a plus. Professional Certifications. Microsoft, GCP or AWS Cloud (preferred). Identity Provisioning or Security Certification (preferred). Okta, Ping Identity or Microsoft Azure (preferred). Soft Skills: Excellent analytical and troubleshooting skills. Strong verbal and written communication skills. Ability to work effectively with global, virtual teams . High degree of initiative and self-motivation. Ability to manage multiple priorities successfully. Team oriented, with a focus on achieving team goals. Role: IT & Information Security - Other Industry Type: Pharmaceutical & Life Sciences Department: IT & Information Security Employment Type: Full Time, Permanent Role Category: IT & Information Security - Other Education UG: Any Graduate PG: Any Postgraduate Key Skills Skills highlighted with ‘‘ are preferred keyskills security protocols scriptingautomationGCPIS Securitytechnical documentation

Job description We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. Weve already changed millions of lives and were ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. Well get there by constantly reinventing unique biosensing-technology experiences. Though weve come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us. Where you come in: You will participate in software requirements and design reviews. You will create software verification plans, test protocols, and conduct software risk analyses for commercial products. You will validate the configuration, functionality, and user interface of software and tools. You will design, develop, execute, and maintain automated test scripts for software test ing. You will execute software verification plans and test protocols. You will record and track issues in the bug tracking system. You will analyze failures and collaborate with development teams to ensure thorough investigation of root causes. You will write test reports documenting detailed validation results and report test progress to management. You will follow internal software development, cybersecurity, and validation procedures in compliance with medical and security regulations. You will modify test protocols based on changes in requirements and execute regression validation accordingly. You will work collaboratively with other engineers as needed. What makes you successful: You have working knowledge of mobile operating systems such as iOS and Android application. You have solid Experience in developing automated test scripts using Java and Python. Document the test plan, maintain test trace and traceability, and generate test reports. You have a solid experience in troubleshooting the mobile application using test tools and collect the evidence and bug reports from device. You have experience in terminal commands for Linux/Mac and ADB. You have experience in mobile automation testing tool such as Android studio, ADB, Xcode, Appium, Appium GUI server and Appium inspector. You have experience in GIT, GIT commands and Jfrog artifactory & knowledge of maintaining the repositories. You have experience in Defect life cycle and defect tracking tools (Ex, Jira). You have experience in Manual test ing and test methodologies such as System test ing, Regression, Black box, Performance (or) stress test ing and White box testing. What you ll get: A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community . A full and comprehensive benefits program. Growth opportunities on a global scale. Access to career development through in-house learning programs and/or qualified tuition reimbursement. An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve. Role: White Box Testing Engineer Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Quality Assurance and Testing Education UG: Any Graduate PG: Any Postgraduate Key Skills GITLinuxStaffingTalent acquisitionDefect trackingTroubleshootingMonitoringPythonTestingWhite box

Job description We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. Weve already changed millions of lives and were ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. Well get there by constantly reinventing unique biosensing-technology experiences. Though weve come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us. Where you come in: You will participate in software requirements and design reviews. You will create software verification plans, test protocols, and conduct software risk analyses for commercial products. You will validate the configuration, functionality, and user interface of software and tools. You will design, develop, execute, and maintain automated test scripts for software test ing. You will execute software verification plans and test protocols. You will record and track issues in the bug tracking system. You will analyze failures and collaborate with development teams to ensure thorough investigation of root causes. You will write test reports documenting detailed validation results and report test progress to management. You will follow internal software development, cybersecurity, and validation procedures in compliance with medical and security regulations. You will modify test protocols based on changes in requirements and execute regression validation accordingly. You will work collaboratively with other engineers as needed. What makes you successful: You have working knowledge of mobile operating systems such as iOS and Android application. You have solid Experience in developing automated test scripts using Java and Python. Document the test plan, maintain test trace and traceability, and generate test reports. You have a solid experience in troubleshooting the mobile application using test tools and collect the evidence and bug reports from device. You have experience in terminal commands for Linux/Mac and ADB. You have experience in mobile automation testing tool such as Android studio, ADB, Xcode, Appium, Appium GUI server and Appium inspector. You have experience in GIT, GIT commands and Jfrog artifactory & knowledge of maintaining the repositories. You have experience in Defect life cycle and defect tracking tools (Ex, Jira). You have experience in Manual test ing and test methodologies such as System test ing, Regression, Black box, Performance (or) stress test ing and White box testing. What you ll get: A front row seat to life changing CGM technology. Learn about our brave #dexcomwarriors community . A full and comprehensive benefits program. Growth opportunities on a global scale. Access to career development through in-house learning programs and/or qualified tuition reimbursement. An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve. Travel Required: 0-5% Role: White Box Testing Engineer Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Quality Assurance and Testing Education UG: Any Graduate PG: Any Postgraduate Key Skills GITLinuxStaffingTalent acquisitionDefect trackingTroubleshootingMonitoringPythonTestingWhite box

Job description Job description Job Description: Java Developer (Software Development Engineer- SDE-1) Note : Do not apply if you do not have JAVA or C++ coding skills. Role Overview: We are seeking a highly skilled and motivated Candidate to join our dynamic team on a permanent basis. You will play a key role in developing and maintaining computer vision-based SaaS platforms. This is an excellent opportunity to contribute to cutting-edge technologies and create impactful solutions in a fast-paced, innovative environment. Key Responsibilities: Design, develop, and implement computer vision algorithms for tasks such as object detection and image classification. Build and deploy AI agents and Java-based applications for various use cases. Develop and maintain computer vision-based SaaS platforms to provide scalable and reliable solutions to clients. Test, optimize, and maintain computer vision models for performance and accuracy. Collaborate with cross-functional teams to integrate computer vision solutions into larger systems. Publish computer vision and AI solutions as scalable services or platforms. Stay updated with the latest advancements in computer vision, AI, and related technologies. ore Skills and Qualifications: Programming Skills: Strong proficiency in Java or C++, with a focus on performance and efficiency. Good understanding of Python programming for AI and machine learning tasks. Data Structures Knowledge: Deep understanding of data structures, including trees and graphs, and their practical applications. Academic Excellence: Consistent academic performance with a score of 90% or higher throughout your education. GitHub Presence: Active GitHub profile with projects reflecting at least six months of development activity. Education: Only candidates with B.E., B.Tech., M.Tech., or M.C.A. degrees are eligible. (B.C.A., B.Sc., M.Sc., and other qualifications are not eligible.) Communication Skills: Excellent communication and collaboration abilities to work effectively in a team environment Preferred Skills and Experience: Knowledge of computer vision frameworks such as OpenCV, DLib, or TensorFlow. Demonstrated project experience in object detection and image classification, showcased on GitHub. Knowledge of machine learning and AI techniques. Participation in innovative academic or personal projects related to computer vision or AI. Experience in building and scaling SaaS platforms is a plus. What We Offer: An opportunity to work on some of the world's best computer vision and AI agent projects, pushing the boundaries of innovation. A permanent role with significant growth and learning opportunities. A collaborative, innovative, and supportive work environment. Competitive compensation and benefits. If you are passionate about computer vision and AI and meet the eligibility criteria, wed love to hear from you! Apply now to become a part of our visionary team. Role: Software Development - Other Industry Type: Software Product Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: B.Tech/B.E. in Computers PG: MBA/PGDM in Information Technology Key Skills Skills highlighted with ‘‘ are preferred keyskills Java Data StructuresSpring Boot