Job Type: Permanent
Job Location: Letterkenny GDC (Hybrid: 3 days onsite per week, covering US Hours)
This role provides an opportunity to work as a Technical Architect / Technical Lead on large‑scale application enhancement and modernisation initiatives within the financial services domain. You will play a key role in defining future‑state architecture, driving high‑quality technical delivery, and enabling the adoption of modern development, deployment, and Agile practices across enterprise systems.
Your Responsibilities
Kafka Core & Topics
Create and manage Kafka topics with appropriate partitions, replication, retention, compaction
Implement topic‑level security (ACLs / RBAC) and naming conventions
Work with Schema Registry for schema creation and evolution
ksqlDB
Develop and maintain streams, tables, persistent queries
Joins, aggregations, windowing logic
Handle error streams, DLQs, and reprocessing logic
Kafka Streams
Build Kafka Streams applications using KStreams DSL
Implement stateful and stateless transformations
Optimize performance and manage state stores
Desirable skills
Extensive IT experience
4–6+ years on Kafka / Confluent platforms working on Kafka Core, KStream, KSQL, Kafka Connect
Certifications: CCDAK / CCAAK – Preferred
Soft Skills: Clear communication, documentation, ownership mindset
Strong hands‑on Kafka & Confluent experience
Java and/or Python based Kafka client development
Experience in regulated Banking environments preferred
Good understanding of data quality, replay, and recovery patterns
Rewards & Benefits
TCS offers competitive salary packages including pension, health care, life assurance, laptop, and access to training resources and discounts within the larger Tata network. Health & wellness initiatives and sports events are also provided.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the Ireland Employment Equality Acts 1998-2011 (as amended) and the Equal Status Acts 2000-2012 (as amended). We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability‑inclusive employer and encourage disabled people to apply for this role. As a Disability Confident Employer, we offer an interview to applicants with disabilities or long‑term conditions who meet the minimum criteria for the role. If you would like to opt in, please email us at UKI.recruitment@tcs.com.
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