7 of 7 Contract API Design Jobs in England

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

Java Developer

Hiring Organisation
Denizns Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
SPONSORED Location: London Our client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing … preferably should have SC/DV clearance or must be eligible and willing to go through SC/DV clearance. What you'll do Design, develop and deploy RESTful and SOAP microservices using Spring Boot Work with cross-functional teams to analyse requirements and deliver features Write clean, well ...

Software Engineer - Backend

Hiring Organisation
Bright Purple
Location
Remote UK, Bath, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
join the team redesigning their client portal. This is a hands-on role for an experienced mid-level or senior Python engineer. You will design and build the APIs and backend workflows behind new portal features and own your work through to production. You will work in a collaborative … designing maintainable REST APIs, with solid data modelling and relational database practice Good knowledge of authentication, authorisation, single sign-on patterns and secure API design A testing mindset and experience working with CI/CD Confidence diagnosing application, database and performance issues in live environments An understanding ...

Technical Architect

Hiring Organisation
McGregor Boyall Associates Limited
Location
South East, United Kingdom
Employment Type
Contract
Processing, and Cash & FX. You'll act as the technical authority within delivery teams, driving architecture strategy, governance, and engineering best practice. Key Responsibilities Design modern microservices and event-driven architectures using technologies such as Kafka, REST APIs and cloud platforms. Lead architecture governance, technical reviews, non-functional requirements … Processing Strong software engineering background in Java, Spring Boot, Oracle and SQL databases. Proven experience with: Microservices architecture Event-driven systems (Kafka, MQ, Solace) API design and integration AWS and/or Snowflake Knowledge of SWIFT MT, ISO 20022 and post-trade processing workflows. Experience operating within enterprise ...

Senior Backend Developer (Java / Spring Boot / AWS)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
Java and Spring Boot Deploy and support services on AWS (e.g. ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS) Own services from design through to production support Maintain CI/CD pipelines and infrastructure as code (Terraform, CloudFormation or CDK) Review code and contribute to architecture decisions Essential … skills: Commercial experience with Java 21 and Spring Boot Building and running applications on AWS Microservices and API design Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people ...

Senior iOS Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£498 - £664/day
partners across product, legal, policy, and design. What We're Looking For 8+ years of professional iOS development experience with modern Swift and Cocoa design patterns. Agentic workflow adoption: Hands-on experience integrating tools like Cursor and Claude into daily engineering. Platform & API design: Proven track record ...