4 of 4 Contract Microservices Jobs in the City of London

API / Integration Developer (SC Cleared)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day Inside IR35
Strong problem-solving and troubleshooting skills. Ability to work effectively within a collaborative Agile environment. Desirable Experience with Python . REST/SOAP APIs. Microservices and cloud-native development. Azure integration services. CI/CD and DevOps practices. Experience integrating legacy and modern systems. Experience working within large, complex ...

Full Stack Developer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£1000/day
Full Stack Developer to join their team. The role will be working development and implementation of applications used across trading. Requirements Java, Springboot, Microservices UI - Angular, Typescript, JavaScript - (open to react also) Kafka, MQ, FIX Protocol Investment Banking or Investment Management experience. AI Driven Development tools, Claude Code, Github Code ...

Solution Architect - Hands on - Java / Kafka - Outside IR35

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day + Outside IR35
Ensure NFRs (scalability, resilience, security, compliance) Lead design workshops and manage architecture roadmap Primary Skills: Solution architecture & HLD design Event-driven architecture (Kafka, streaming) Microservices, APIs, cloud (AWS/Azure) Payments domain (SEPA, SWIFT, Faster Payments, ISO 20022) Secondary Skills: TOGAF/architecture governance CRM (Dynamics), billing, monitoring systems Cross ...

Integration Architect - Java, AWS, FS - OutsideIR35

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day + Outside IR35
driven architecture and messaging systems (NATS, pub/sub, async patterns) API-first design and integration patterns (REST, gRPC) Java/Spring Boot and microservices architecture Cloud-native integration on AWS (ECS/EKS, SQS/SNS, API Gateway) End-to-end integration design and delivery Secondary Skills: Integration governance … stakeholder management Core Skills: Event-driven architecture, NATS, Java/Spring, REST/gRPC, AWS (ECS/EKS, SQS/SNS), API design, microservices, and integration patterns. Experience: 15+ years in technology with strong integration architecture experience Proven delivery of complex integrations in financial services Hands-on contributor with strong ...