3 days ago
London, United KingdomSenior / Staff+
Responsibilities
- Build and evolve core banking capabilities for products, accounts, transactions, transfers, journals, balances, interest, workflows, and compliance controls.
- Define reliable APIs, events, and data contracts for a coherent and auditable banking platform.
- Own services across design, implementation, testing, deployment, operation, and continuous improvement.
- Participate in on-call and incident response across distributed services, data infrastructure, and event-driven workflows.
- Establish observability, alerting, operational controls, recovery procedures, and reliability improvements.
- Design systems for correctness, auditability, scalability, resilience, and enterprise banking scale.
- Improve automated testing, CI/CD, safe deployment, rollback, recovery, and production-engineering practices.
- Use AI-assisted engineering, MCP servers, agent workflows, and automated runbooks where beneficial.
- Mentor and coach teammates and promote engineering best practices across the organization.
Requirements
- Deep experience designing and building complex distributed systems at scale with a strongly typed, compiled language; Go is preferred and comparable languages are acceptable.
- Experience with event-driven architectures and technologies such as Kafka or equivalent streaming platforms.
- Strong understanding of concurrency, consistency, invariants, idempotency, failure modes, and distributed-system trade-offs.
- Substantial experience operating and debugging critical production systems, ideally across application, data, and infrastructure boundaries.
- Practical experience with observability, reliability engineering, capacity planning, deployment safety, and disaster recovery.
- Experience with automated testing, CI/CD, GitOps, and modern production-engineering practices.
- Ability to evaluate and clearly communicate architectural trade-offs and explain complex systems precisely.
- Ability to work across coding, architecture, operations, and cross-team delivery while retaining ownership of design, validation, security, and production outcomes.
Benefits
- Full-time experienced hire position.
- High autonomy and accountability within a small, senior team.
- Startup-level technical depth and ownership combined with enterprise resources, stability, and long-term impact at FIS.
- Direct impact on mission-critical banking systems supporting Tier-1 global institutions.
Tech Stack
Categories
About FIS
FIS builds financial technology for banks, merchants, and capital-markets firms, including core banking platforms, payment processing, fraud/risk tools, and investment/treasury systems. It sells enterprise software, cloud services, and outsourced processing via long-term contracts and transaction-based fees. Founded in 1968 and headquartered in Jacksonville, Florida, FIS is a Fortune 500 public company trading on the NYSE (FIS) with customers worldwide.