3 of 3 Contract API Design Jobs in Central London

Senior C# Engineer .NET 9, AWS Lambda, SQS, SNS Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
Overview: Youll operate as the technical spearhead for a greenfield product build, reporting to the Director of Engineering. Expect deep backend engineering, distributed system design, and high-quality serverless delivery, plus the chance to adopt modern AI-assisted development practices as part of your workflow. What Youll Bring: Senior … ability to architect and lead distributed REST microservices at scale. Strong authority in AWS serverless engineering: Lambda-first mindset, hands-on experience with API Gateway, SQS, Step Functions, EventBridge and IAM. Deep data expertise across Aurora MySQL and DynamoDB: schema design, access patterns, indexing, query tuning, and pragmatic ...

Golang Technical Lead

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Join a high-profile transformation programme as a Technical Lead, taking ownership of the design, development and delivery of enterprise-scale cloud-native applications. This is an excellent opportunity to combine hands-on engineering with technical leadership, working across Agile teams to deliver scalable, resilient solutions. Excellent Day Rate … working closely with architects and business stakeholders to deliver modern cloud-native platforms. Key Skills Golang development Microservices architecture Azure Cloud Distributed Systems REST API design Document Databases & NoSQL Solution architecture and technical governance Agile technical leadership Kubernetes (AKS) CI/CD and DevOps practices For more information ...

Contract AI Software Engineer - DV Cleared

Hiring Organisation
NSD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - £650 per day
Experience with AWS or Azure Familiarity with Docker and Kubernetes Experience working in secure or highly regulated environments Strong understanding of software architecture and API design IT WOULD BE NICE FOR THE AI SOFTWARE ENGINEER TO HAVE. Experience with RAG pipelines and vector databases Knowledge of MLOps tooling ...