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The ideal candidate should have hands-on experience in building scalable microservices, REST APIs, and cloud-native applications. Exposure to Hadoop ecosystem technologies is required to support data-intensive applications and integrations, though this is not a core Hadoop development role. Must Have Skills: • Java 10+/11+/17+• Spring Boot• Microservices Architecture• RESTful Web Services• Kafka• OpenShift / Kubernetes• Oracle SQL / PL-SQL• JUnit, Mockito• Git, Maven, CI/CD• Basic to Intermediate Hadoop ecosystem experience Roles & Responsibilities: • Design, develop, and maintain enterprise applications using Java and Spring Boot.• Develop scalable Microservices and REST APIs.• Integrate applications with distributed data platforms and messaging systems.• Collaborate with cross-functional teams to deliver high-quality solutions.• Participate in code reviews, testing, deployment, and production support.• Optimize application performance and scalability.• Work in Agile/Scrum development environments.• Support data processing and integration workflows involving Hadoop-based platforms. Required Technical Skills: • Strong hands-on experience with Java, Spring Boot, and Microservices.• Experience developing RESTful APIs and backend services.• Knowledge of Kafka and event-driven architecture.• Experience with OpenShift, Docker, or Kubernetes.• Good understanding of relational databases such as Oracle or SQL Server.• Familiarity with CI/CD pipelines using Jenkins, GitLab, or similar tools.• Understanding of software design patterns and secure coding practices.Hadoop Experience (Good to Have / Secondary Skill)Candidate should possess working knowledge of:• Hadoop ecosystem concepts (HDFS, YARN, Hive)• Basic Hive query development and troubleshooting• Understanding of data ingestion and batch processing workflows• Experience working with Hadoop-based data platforms in support of application development• Exposure to Spark is a plusNote: Hadoop is a secondary skill. Candidates are not expected to perform deep Hadoop administration, cluster management, or advanced big-data engineering.Preferred Skills• Apache Spark• NoSQL Databases (Cassandra/MongoDB)• Splunk, Dynatrace• AWS, Azure, or Google Cloud Platform• Domain experience in Banking/Financial Services• DevSecOps practices","description_format":"text","description_chars":2671,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Systems Integrators","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-10-28T04:52:14Z"},{"event":"close","at":"2026-10-29T04:54:30Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/tata-consultancy-services-java-developer-with-hadoop","json_url":"https://alion.io/job/tata-consultancy-services-java-developer-with-hadoop.json","meta":{"generated_at":"2026-10-29T17:02:19Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":25471,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-30T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":222},"rest":"https://alion.io/mcp/rest/get_company?id=222"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftata-consultancy-services-java-developer-with-hadoop"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ftata-consultancy-services-java-developer-with-hadoop"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ftata-consultancy-services-java-developer-with-hadoop"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/tata-consultancy-services-java-developer-with-hadoop\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftata-consultancy-services-java-developer-with-hadoop"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3380960}},{"tool":"search_jobs","arguments":{"company":"tcs.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3380960},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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