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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