Job description Sr. App Developer (Android/ iOS / Hybrid)/ Mobile Architect Lead- Global Digital Health Startup. We are looking for a strong experienced Android engineer, very strong at Coding, and bug fixing for Mobile app development from scratch and who should have worked in an early-stage tech start-up with highly scalable Tech Product development. Responsibility & Role : - Coding Android/iOS/Hybrid Mobile applications. - To Work in close coordination with all stakeholders of Product Owner, Solution Architect, Engineering Head, UX/UI designer, Fullstack Developer, and the testing to develop better products with fewer bugs. - To work with different APIs and data sources. - Fix bugs. - Continuous evaluation, discovering new technologies and exploiting them for the cross-functional platform. - Android developer's role in multi-function mobile applications. Required Skillsets : - Strong hands-on end-to-end in Kotlin, Java. - Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes - Familiarity with RESTful APIs to connect Android applications to back-end services - Strong knowledge of Android / iOS / Hybrid / Flutter principles, patterns, and best practices. - Android Studio. - Ability to understand and integrate with 3rd Party Application API. - Familiarity with cloud message APIs, client engagement, AI chatbot and push notifications features. - A knack for benchmarking and optimization. - Understanding of Google's Android principles and interface guidelines. - Familiarity with continuous integration. Experience : - At least 2 -10 Years of experience post-qualification in an early-stage growing startup in any industry, preferably in Digital Health. - Must have worked in a mobile app product development in an early-stage startup from scratch, especially in a founding team. - Worked as a single-handed end-to-end from scratch in the Mobile App Development in Highly Scalable Andriod / iOS / Hybrid / Flutter Platform. Qualification : B.Tech in CSE / IT / ECE from a reputed engineering Institute. CTC : - Best Package in Industry depending upon our Unbiased Parametric Selection Procedure Criteria and what you bring to the table with written acceptance and written commitment deliverable within Tight Deadlines. - Terms and Conditions Apply as per our organization. - To deserving eligible candidates only, the company's attractive ESOP may be given also as a part of a CTC Package for a long-term career Growth opportunity. - Positions & CTC depend upon your candidature and as per our management Terms. - Apply with your CV with passport size photo and current CTC, expected CTC, Notice Period, recent Project details, and cover letter. - This is a high-growth career opportunity that is only best for those who have the capability to fast grow the organization as a High growth driver and with an Entrepreneur Mindset. Role: Mobile / App Developer Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: B.Tech/B.E. in Any Specialization PG: Any Postgraduate Doctorate: Doctorate Not Required Key Skills Skills highlighted with ‘‘ are preferred keyskills Android Hybrid AppsRESTful APIJavaFlutterMobile App DesigningiOSAndroid StudioKotlin

Job description Sr. App Developer (Android/ iOS / Hybrid)/ Mobile Architect Lead- Global Digital Health Startup. We are looking for a strong experienced Android engineer, very strong at Coding, and bug fixing for Mobile app development from scratch and who should have worked in an early-stage tech start-up with highly scalable Tech Product development. Responsibility & Role : - Coding Android/iOS/Hybrid Mobile applications. - To Work in close coordination with all stakeholders of Product Owner, Solution Architect, Engineering Head, UX/UI designer, Fullstack Developer, and the testing to develop better products with fewer bugs. - To work with different APIs and data sources. - Fix bugs. - Continuous evaluation, discovering new technologies and exploiting them for the cross-functional platform. - Android developer's role in multi-function mobile applications. Required Skillsets : - Strong hands-on end-to-end in Kotlin, Java. - Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes - Familiarity with RESTful APIs to connect Android applications to back-end services - Strong knowledge of Android / iOS / Hybrid / Flutter principles, patterns, and best practices. - Android Studio. - Ability to understand and integrate with 3rd Party Application API. - Familiarity with cloud message APIs, client engagement, AI chatbot and push notifications features. - A knack for benchmarking and optimization. - Understanding of Google's Android principles and interface guidelines. - Familiarity with continuous integration. Experience : - At least 2 -10 Years of experience post-qualification in an early-stage growing startup in any industry, preferably in Digital Health. - Must have worked in a mobile app product development in an early-stage startup from scratch, especially in a founding team. - Worked as a single-handed end-to-end from scratch in the Mobile App Development in Highly Scalable Andriod / iOS / Hybrid / Flutter Platform. Qualification : B.Tech in CSE / IT / ECE from a reputed engineering Institute. CTC : - Best Package in Industry depending upon our Unbiased Parametric Selection Procedure Criteria and what you bring to the table with written acceptance and written commitment deliverable within Tight Deadlines. - Terms and Conditions Apply as per our organization. - To deserving eligible candidates only, the company's attractive ESOP may be given also as a part of a CTC Package for a long-term career Growth opportunity. - Positions & CTC depend upon your candidature and as per our management Terms. - Apply with your CV with passport size photo and current CTC, expected CTC, Notice Period, recent Project details, and cover letter. - This is a high-growth career opportunity that is only best for those who have the capability to fast grow the organization as a High growth driver and with an Entrepreneur Mindset. Role: Mobile / App Developer Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: B.Tech/B.E. in Any Specialization PG: Any Postgraduate Doctorate: Doctorate Not Required Key Skills Skills highlighted with ‘‘ are preferred keyskills Android Hybrid AppsRESTful APIJavaFlutterMobile App DesigningiOSAndroid StudioKotlin

Job description We are looking for a Telecom Engineer to be an integral part of our developer team. Our team s mission is to automate the certification and delivery of complex mobility infrastructure platforms and services. Within the team, you will be a contributing member participating in cross-functional development supporting different customers seeking to use our internally developed automation framework called Automated Network Testing (ANT) while meeting the diverse needs of our customers. Responsibilities Participate in Sprint Planning and design discussions with the development team to ensure automation is designed and implemented meeting client s requirements. Develop expertise in the Automated Network Testing (ANT) platform and become an advocate for its use in both a lab and production environment. Improve productivity for the overall team by proposing tools or processes that optimize our quality and rate of delivery. Provide analysis of automation intake request requirements and test details to determine the most appropriate approach in which to perform the required validations. Build close collaboration with Network System Engineers to create a detailed test design using ANT and adjacent tools portfolio of mobility traffic simulators, scripting and real device automation. Drive for clarity in requirements, test steps and required validations for use during automation development. Create End-to-End (E2) test cases and post-validation templates using ANT. Create Command-Line-Interface (CLI) test case template health checks using ANT and regular expressions. Expand on existing Python validation libraries within ANT for new and emerging use cases. Collaborate with platform teams, testers and infrastructure teams to troubleshoot automation, tooling and mobility infrastructure networks. Participate in script lifecycle management; development, delivery, deployment, updates, defect management. Basic Qualifications Expert level working experience in creation and maintenance of Azure and Azure DevOps (ADO) concepts including specific experience with: Demonstrated ability to develop ADO Pipelines from the ground up (particularly yaml expressed pipelines) Demonstrated use of az cli commands within ADO Pipelines as a method to interact with Azure Resources. Comprehension of the purpose and limitations of ADO agents ADO Repos and expanding understanding not only to the purpose but more specifically on branching and tagging methods to optimize code stored in repositories to handle the different environments. Understanding the capabilities of Azure Keyvault (AKV) Use of Azure Container Registry (ACR) to maintain images and charts through tools used within the pipelines to import, tag, and extract artifacts. Understanding of Azure Resource Manager (Endpoints and Service Principals) Understanding of Bicep and ARM Templates to build Azure Resources with particular emphasis on parameterization. Demonstrated use of Azure Operator Service Manager (AOSM). Ability to articulate concepts, solutions, and standards to members of the project with various levels of skills sets through presentations and/or discussions. 7+ Years of experience in LTE/5G core network testing and development. Proficient in Python development with 5+ years of experience . 3+ Years of experience working with Regular Expressions (RegEx). Hands on experience developing and maintaining automation scripts following Object Oriented Programming principles. Good working knowledge of Linux, IP Networks and Wireshark. Good Knowledge of LTE/5G Core Network and Call Flows. 3+ Experience in K8s, Azure, Azure Dev Ops, CI/CD Excellent communication, collaboration, reporting, analytical and problem-solving skills Proficient with Agile testing methodologies and best practices Working knowledge of Robot framework, Selenium, Java script, JSON, YAML files etc Portfolio on GitHub or other platforms Interest in learning new tools and technologies. Great communication skills (written and oral) and intercultural communication abilities Must have a win as one attitude, to work as a

Job description What we'do At Goldman Sachs, we connect people, capital and ideas to help solve problems for our clients. We are a leading global financial services firm providing investment banking, securities and investment management services to a substantial and diversified client base that includes corporations, financial institutions, governments and individuals. Global Banking Markets Our core value is building strong relationships with our institutional clients, which include corporations, financial service providers, and fund managers. We help them buy and sell financial products on exchanges around the world, raise funding, and manage risk. This is a dynamic, entrepreneurial team with a passion for the markets, with individuals who thrive in fast-paced, changing environments and are energized by a bustling trading floor. Who We Are Engineers in the Systematic Market Making (SMM) team play an integral role on the trading floor. we'develop and employ automated trading strategies for the firm and its clients. We build complex parallel computing architectures, electronic trading tools and models to help us explain market behavior and predict price movement. Throughout the Global Banking and Markets Division (GBM), eTrading Engineers are using quantitative and technological techniques to solve complex business problems. As an eTrading Engineer, you will be building the foundational technologies to run those algorithms on markets around the world, and to enable the research and analysis that support them. We are looking for developers who are interested in applying leading-edge technologies to solve problems in electronic trading. In a team of energetic, self-motivated individuals, we need someone who can take the initiative at any stage of the software cycle, from inception, through development, to release and support. This role also interacts with a variety of other engineering, trading and sales teams. The structure is flat and the successful candidate will be able to manage his or her time to have maximum impact. Your Impact You will be working on a team focused on electronic market making in FX. You will work with other engineers and traders to improve all aspects of price-making and risk management. you'll do this with a keen eye on performance, guided by a robust measurement framework and lots of experimentation. you'll be doing all this in the context of FX asset classes (spot, NDFs, forwards, swaps) and will have an opportunity to develop a deep understanding of how GS interacts with some of the most dynamic and liquid markets in the world. Responsibilities Qualifications Principal Responsibilities Analyze trading system performance and identify areas for improvement. Generate ideas for system enhancements that drive commercial performance. Implement, test and deploy these ideas. Improve the safety and reliability of trading systems. Work constructively in collaboration with other team members. Manage work to balance the short-term needs of the business with strategic enhancements. Experience/Skills Strong academic background in Computer Science or an analytical field such as Mathematics, Physics, Engineering, etc Strong software engineering background. Proven ability to analyze data and draw useful commercial conclusions. Good communication skills. Experience of the following would be advantageous Securities/trading experience. Multi-threaded/concurrent programming. Java performance tuning. Low-latency, including messaging, network protocols, network I/O in Java, JNI. Hardware stack and hardware architecture from a latency perspective. Know your way around a Linux terminal Role: Back End Developer Industry Type: Banking Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: Any Graduate PG: Any Postgraduate Key Skills Performance tuningLinuxJNIAnalyticalHTMLInvestment bankingRisk managementPrincipalFinancial services

Job description This role requires a combination of software engineer, data enginner and an ML developer where youre expected to build solutions integrating data pipelines ML models. It also requires you to have basic knowledge and (preferably) hands-on experience on building back-end services(APIs) which integrate data applications. Required Skills and Qualifications: 4+ years of professional experience in software development. Strong proficiency and hands-on experience in both Python(Must-have) and Java(Nice to have) . Experience building and maintaining data pipelines (batch or streaming) preferably on Cloud platforms(especially GCP). Experience with at least one major distributed data processing framework (e. g. , DBT, DataForm, Apache Spark, Apache Flink, or similar). Experience with workflow orchestration tools (e. g. , Apache Airflow, Qlik replicate etc). Experience working with relational databases (SQL) and understanding of data modeling principles. Experience with cloud platforms (Preferably GCP. AWS or Azure will also do) and relevant data services (e. g. , BigQuery, GCS, Data Factory, Dataproc, Dataflow, S3, EMR, Glue etc. ). Experience with data warehousing concepts and platforms (BigQuery, Snowflake, Redshift etc. ). Understanding of concepts related to integrating or deploying machine learning models into production systems. Experience working in an Agile development environment hands-on in any Agile work management tool(Rally, JIRA etc. ). Experience with version control systems, particularly Git. Solid problem-solving, debugging, and analytical skills. Excellent communication and collaboration skills. Experience working in a production support team (L2/L3) for operational support. Preferred Skills and Qualifications (Nice to Have): Familiarity with data quality and data governance concepts. Experience building and consuming APIs (REST, gRPC) related to data or model serving. Bachelors or Masters degree in Computer Science, Engineering, Data Science, or a related field. Key Responsibilities: Data Pipeline Development: Design, develop, and maintain scalable and reliable batch data pipelines using Python and Java, leveraging industry standard frameworks like Data proc and Dataflow. ELT Implementation: Implement efficient data extraction, transformation, and loading processes to move data from various sources into data warehouses, data lakes, or other storage systems. Backend Development: Develop and maintain backend services (potentially in Python or Java) that interact with data stores, trigger pipelines, and/or serve data via APIs. Data Storage Interaction: Work with various data storage technologies, including relational databases (SQL), data lakes (GCS, Big Query), and data warehouses (BigQuery). Performance Optimization: Analyze and optimize the performance of data pipelines and related services to ensure efficiency and cost-effectiveness when dealing with large datasets. Monitoring and Reliability: Implement monitoring, logging, and alerting for data pipelines and services to ensure their health, reliability, and data quality. Troubleshoot and resolve production issues. Collaboration: Collaborate effectively with Product Owners, Data Scientists, Data Engineers, MLOps Engineers, and other engineering teams to understand requirements and deliver integrated solutions. Code Quality Testing: Write clean, well-tested, and maintainable code. Participate in code reviews. Technical Contribution: Contribute to architectural discussions and help define technical approaches for data and AI-related projects. AI/ML Integration (Additional responsibility): Work closely with Data Scientists to operationalize machine learning models. This includes building the infrastructure and code (incl. chatbots) to integrate models into data pipelines or backend services for training data preparation, inference, or prediction serving. Operational support: Handle tickets (incidents/requests) for data pipelines/chatbot applications work with product owners/business customers to track the tickets to

Job description Position Summary The BI Developer reports to the Business Intelligence Manager and is responsible for combining raw information from disparate IT source systems into data models, reports and dashboards to deliver business insights. The successful candidate will be able to complete the full lifecycle of development of data from the ETL process through to final deliverable of dashboards into the organization. To succeed in this BI Developer position, you should have strong analytical skills and the ability to develop and maintain data and security models using modern techniques. If you are detail-oriented, with excellent organizational skills and experience in this field, we d like to hear from you. Responsibilities for a BI Developer position include: Essential Duties and Responsibilities Participate in business requirement gathering and solution documentation Build required infrastructure for optimal pipeline management, including extraction, transformation and loading of data from various data sources using Azure Data Factory, Databricks and SQL technologies Assemble and analyze large, complex sets of data that meet non-functional and functional business requirements Implement internal process improvements including re-designing infrastructure for greater scalability, optimizing data delivery, and automating manual processes Work with users to assist them with data-related technical issues Implement and test data and security models Prepare data for prescriptive and predictive modeling Develop interactive visual reports, dashboards, charts, and measures with KPI scorecards using Microsoft Power BI desktop Analyze, design, deploy, troubleshoot, and support Power BI solutions Participate in user acceptance testing Explore and implement ways to enhance data quality and reliability Collaborate with data scientists and architects as needed Education Bachelor s degree (B.S./B.A.) in computer science, information systems, informatics, statistics or another quantitative field or equivalent from a college or university with IT focused specialization. A Master s Degree or Data engineering certification (e.g, Azure Certified Data Engineer) is a plus Skills/Experience 5+ years experience as a BI Developer or related experience in a global company with significant experience in hands-on technology delivery roles. Strong data analytics background with experience in developing use cases, deep understanding of managing data and generating insights thru visualization Background in custom build experience using Power BI Report Builder, Power BI Desktop, Power BI Service, Tabular Editor, ALM Toolkit and DAX Studio designing Power BI data models; including writing complex DAX, SQL queries and implementing role level security Ability to understand data modeling, data schemas (normalized, flat, star, snowflake, etc.), query optimization, query profiling and query performance monitoring tools and techniques Knowledge of programming languages (e.g. Java, AngularJS, Python) Implement data storage solutions using Azure SQL Database, Azure Data Lake Storage, and Azure Blob Storage. Monitor and optimize data workflows for performance and reliability. Experience with workflow management and pipeline tools - Azure Data Factory and DevOps; storage technologies - Azure Data Warehouse and Data Lake; stream-processing systems - Event Hub and Stream Analytics; transformation tools - Databricks; visualization tools - PowerBI; and metadata management systems. Experience with big data tools like Spark is a plus as well as knowledge of Pyspark. Familiarity with Machine Learning and Deep Learning concepts are a plus Ability to build processes that support data transformation, workload management, data structures, dependency, and metadata Experience working with unstructured datasets Hands-on experience with optimizing performance of SQL queries and applications Great numerical and analytical skills Ability to collaborate with technical resources to influence algorithms and other technology for improved customer experience Role: Data Platfor

Job description Key Responsibilities Develop and maintain backend applications using Java and Spring Boot. Design and execute data migration strategies to Azure Cosmos DB. Collaborate with business stakeholders to align solutions with requirements. Ensure data integrity and performance during migration and development. Optimize systems for scalability and efficiency. Qualifications Strong experience with Java, Spring Boot, and Azure Cosmos DB. Proven expertise in data migration projects. Ability to work closely with business teams to deliver solutions. Excellent problem-solving and communication skills. Role: Software Development - Other Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: B.Tech/B.E. in Information Technology, Computers PG: MCA in Computers Key Skills Skills highlighted with ‘‘ are preferred keyskills JavaSpring BootAzure Cosmosdb

Job description Job Title: Senior Java Developer / Lead Developer Location: Bangalore / Hybrid Shift Timing: US Hours CST/EST (2nd shift: 3 PM 12 AM IST) Experience: 8+ Years Employment Type: Full-time Job Summary: We seek a highly experienced Senior Java Developer / Lead Developer to lead the design, development, and deployment of scalable microservices-based applications. The ideal candidate should have strong expertise in Java (8, 11, 17), Spring Boot, Azure cloud services, and observability tools while also demonstrating leadership in managing development teams and client interactions. Key Responsibilities: Technical Leadership: Oversee the end-to-end SDLC, including designing, developing, testing, and deploying microservices-based applications. Microservices Development: Build and optimize Java-based RESTful microservices using Spring Boot from scratch. Good Knowledge of Azure Cloud or AWS or GCP. Observability & Monitoring: Utilize Prometheus, Grafana, Splunk, or similar tools for monitoring and logging. API Integration: Develop and maintain API integrations across systems and services using reactive based programming. Database Management: Work with NoSQL databases such as Cosmos DB/MongoDB and relational databases like Oracle/SQL (if applicable). Agile Development: Participate in Agile/Scrum ceremonies and ensure best coding practices. Team Management: Lead a team of developers, assign tasks, review code, debug issues, and provide mentorship. Client Communication: Effectively communicate with US-based stakeholders through emails, meetings, and calls. Required Qualifications: Bachelor’s degree in computer science or a related field. 10+ years of experience in Java development, design, and leadership. 7+ years of hands-on experience with Java 8, 11 (preferably Java 17 with reactive programming). Strong experience in Spring Framework (Spring Boot, Spring Cloud, Spring Security, etc.). 3-5 years of experience in API integration and microservices architecture. Good experience in observability and monitoring using tools like Prometheus, Grafana, Splunk, etc. 1+ years of experience with Azure Java SDK for cloud interactions. 1+ years of experience with NoSQL databases (Cosmos DB, MongoDB, etc.). 1-3 years of hands-on experience in: Azure Services (Azure Service Bus, Azure Functions) CI/CD pipelines Docker & Kubernetes Spring Cloud Kubernetes JUnit for testing Good understanding of Agile development environments. Preferred Qualifications: Master’s Degree in Computer Science or a related field. Previous experience as a Lead Developer in the Financial Services domain, overseeing the SDLC will be a plus. Experience managing teams of at least 6 developers Strong knowledge of MongoDB , and SQL and NoSQL. Relevant Azure / Java certifications are a plus. Other Requirements: Must be willing to work during US hours (CST/EST) – 2nd shift (3 PM – 12 AM IST). Strong communication and client-facing skills to interact with US-based clients effectively. Excellent interpersonal and relationship-building skills. Ability to work independently as well as in a collaborative team environment. Role: Back End Developer Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: Any Graduate, B.Tech/B.E. in Any Specialization Key Skills Skills highlighted with ‘‘ are preferred keyskills JavaNoSQLMicroservices DevelopmentJava Spring BootSpring Boot Aws CloudDockerAzure CloudCi/CdDevopsKubernetes

Job description SUMMARY Java Backend Developer Job Title: Java Backend Developer Location: Bangalore/Chennai Experience: 5+ years Notice Period: Immediate to 15 days Responsibilities Develop, test, deploy, and maintain full-stack applications using Java Spring Boot and Microservices. Collaborate with cross-functional teams to identify requirements and deliver high-quality solutions. Participate in code reviews to ensure adherence to coding standards and best practices. Troubleshoot issues related to application performance, scalability, and security. Stay up to date with industry trends and emerging technologies. Requirements 5+ years of relevant experience in Java with Spring Boot, Microservices, Hibernate, and Rest API. Strong understanding of Java Spring Boot framework including its components such as controllers, services, repositories, etc. Proficiency in developing REST APIs using Spring Boot's built-in features like @RestController annotation. Experience working on Microservices architecture design principles. Role: Software Development - Other Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Software Development Education UG: Any Graduate Key Skills cssweb servicesjspjdbctraininghibernatejquerymicroservicessqldockerspringcurriculum developmentjavajava spring bootj2eehtmlmysqljpaapimongodbrestdevelopmentoraclemavenspring boot frameworkprofessional developmentjavascriptspring bootangularservlets

Job description Job Requirements We are looking for Test Automation Engineer with min 10 years of experience with strong exposure to Core Java, Selenium, BDD. Work Experience Job Description In this role you will: Be developing functional and automated tests and test harnesses application for application under test. Strategizing and executing End to End System verification Testing Work with the software developers to implement integration and verification automation at all levels of the software stack and system. Authoring and reviewing functional and automated tests and test harnesses application and System under test Review verification results looking for compliance to our quality management system. Be profiling performance/load testing tools, and drive testability and diagnostic ability into the product. Partner with and provide direction to fellow team members to diagnose bugs/defects and formulate solutions Review verification results looking for compliance to our quality management system. Technical Expertise: Strong Experience in BDD, Data driven and Hybrid automation frameworks (preferably cucumber & JBehave) Experience in automation development using Selenium, and Core Java Strong Experience to programmatically test products; measure test coverage; develop best automation, profiling, and performance/load testing tools; and drive testability and diagnostic ability into the product. Basic knowledge of Ubuntu, Linux and Windows OS knowledge Basic knowledge on Network protocols Knowledge of bugs/defects life cycle. Knowledge of HP ALM or equivalent product life cycle management tools Basic Qualifications: Bachelors degree in computer science or in “STEM” Majors (Science, Technology, Engineering and Math). A minimum of 10+ years of experience in developing automated tests for products through testing and verification activities. Desired Characteristics: Quality Specific Goals: Quality Management Policy, Quality Goals, and applicable laws and regulations as they apply to this job type/position. Complete all planned Quality & Compliance training within the defined deadlines. Role: QA Team Manager Industry Type: IT Services & Consulting Department: Engineering - Software & QA Employment Type: Full Time, Permanent Role Category: Quality Assurance and Testing Education UG: B.Tech/B.E. in Any Specialization PG: MS/M.Sc(Science) in Any Specialization, MCA in Any Specialization, M.Tech in Any Specialization, MBA/PGDM in Any Specialization Key Skills Skills highlighted with ‘‘ are preferred keyskills Core JavaBDDLinuxSeleniumFramework Cucumber