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Senior Kotlin Engineer (Risk Platform)

London, United Kingdom

Are you an experienced Kotlin engineer who enjoys solving complex data challenges at scale? Join a strategic risk replatforming initiative within a leading global investment bank, working on a high-performance system responsible for storing and distributing large-scale risk results across the organisation.

Note: Candidates must be based in the UK and able to attend the Central London office in person once per week.

Essential functions

  • Design, develop, and maintain high-performance backend systems using Kotlin

  • Build resilient, fault-tolerant components capable of handling very large data volumes

  • Contribute to architectural decisions as part of a strategic replatforming effort

  • Write clean, testable code following TDD principles

  • Collaborate closely with experienced engineers and technical leadership

  • Support continuous improvement of system scalability, reliability, and maintainability

Qualifications

  • Strong professional experience with Kotlin

  • Proven experience working in high-pressure production environments handling large datasets

  • Strong understanding of distributed systems and performance optimisation

  • Experience with Test-Driven Development (TDD)

  • Excellent problem-solving skills and ownership mindset

Would be a plus

  • Experience with Flink, Trino or Kafka

  • Background in financial services or risk systems

We offer

  • Be part of a strategic, long-term risk transformation programme

  • Work on a high-scale, high-impact system central to enterprise risk operations

  • Competitive salary

  • Flexible schedule

  • Benefits package - medical insurance, sports

  • Corporate social events

  • Professional development opportunities

  • Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.

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    Grid Dynamics is an equal opportunity employer. We are committed to creating an inclusive environment for all employees during their employment and for all candidates during the application process.

    All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on, age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. All employment is decided on the basis of qualifications, merit, and business need.