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Senior Java Technical Lead (10+ Years)

Geysers International

5 - 10 years

Chennai

Posted: 08/01/2026

Job Description

We are looking for a Senior Technical Architect / Senior Java Technical Lead with 10+ years of strong hands-on technical experience to play a key role in a large-scale Mainframe to Java modernization program for a well-established US financial services client . This role demands deep technical ownership , architecture design , and guidance of development teams through complex legacy-to-modern transformations.


Location: Chennai

Client: Reputed Financial Institution USA

Immediate / Short Notice Preferred


Experience Required

  • 10+ years of experience in Java / Enterprise application development
  • Proven experience in legacy system modernization , preferably Mainframe to Java migration
  • Experience working on large-scale, high-availability enterprise systems


Key Responsibilities

  • Drive technical architecture and design for Mainframe modernization initiatives
  • Analyze legacy Mainframe systems and translate business logic into Java & Spring Boot microservices
  • Define application architecture, service design, and integration patterns
  • Review and approve technical designs, code, and migration approaches
  • Provide hands-on guidance to development teams on Java, Spring Boot, and microservices
  • Own non-functional requirements performance, scalability, security, resilience
  • Work closely with Data, Mainframe, QA, DevOps, and Cloud teams
  • Participate in client-facing technical discussions with US stakeholders
  • Establish coding standards, best practices, and architecture governance
  • Support production readiness and critical issue resolution


Mandatory Technical Skills

  • Strong expertise in Java (Java 8 / 11 / 17)
  • Extensive hands-on experience with Spring Framework, Spring Boot, Spring MVC, Spring Data JPA
  • Deep understanding of Microservices Architecture and Distributed Systems
  • Strong experience in REST API design and development
  • Solid expertise with Hibernate / JPA
  • Strong experience with RDBMS , especially DB2 (Oracle / PostgreSQL acceptable)
  • Strong knowledge of SQL, data modeling, and performance tuning
  • Experience with CI/CD pipelines , Maven / Gradle
  • Exposure to DevOps practices


NoSQL & Data Migration Expertise

  • Strong working experience with NoSQL databases , especially Apache Cassandra
  • Experience in Cassandra data modeling, performance tuning, and scaling
  • Hands-on experience with data migration and transformation from Mainframe / RDBMS to NoSQL
  • Understanding of eventual consistency and distributed data patterns


Good to Have Skills

  • Functional understanding of Mainframe technologies (COBOL, JCL, VSAM, batch processing)
  • Experience with Docker, Kubernetes, and container orchestration
  • Exposure to Cloud platforms (AWS / Azure) and cloud-native design
  • Experience with event-driven architecture (Kafka or similar)
  • Strong Banking / BFSI domain knowledge


Leadership & Soft Skills

  • Strong technical leadership and mentoring skills
  • Ability to drive architecture discussions and technical decisions
  • Excellent analytical and problem-solving skills
  • Strong communication skills in a global delivery environment
  • Ability to balance hands-on work with architectural ownership


Job Details

  • Role: Senior Java Technical Lead
  • Location: Chennai
  • Employment Type: Full-time
  • Joining: Immediate / Short Notice preferred


Compensation

  • Best in market (Commensurate with experience and technical leadership)


Why Join This Program?

  • Architect and lead a mission-critical modernization program
  • Work with a top-tier US financial institution
  • High technical ownership and long-term engagement
  • Exposure to modern architecture, NoSQL, cloud, and DevOps practices


Interested candidates can apply via LinkedIn or share their resume at

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