18 of 18 Contract RESTful Jobs in London

Java Camunda Developer - London and remote - 11 months+

Hiring Organisation
Octopus Computer Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
experience with Camunda BPM (v7 or v8 preferred). Strong knowledge of BPMN 2.0, DMN, and CMMN standards. Proficiency in Java, Spring Boot, and RESTful APIs. Experience with Camunda external task pattern and Zeebe (for Camunda 8). Familiarity with Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP). Understanding ...

Camunda Developer

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experience with Camunda BPM (v7 or v8 preferred). * Strong knowledge of BPMN 2.0, DMN, and CMMN standards. * Proficiency in Java, Spring Boot, and RESTful APIs. * Experience with Camunda external task pattern and Zeebe (for Camunda 8). * Familiarity with Docker, Kubernetes, and cloud platforms (AWS, Azure, GCP). * Understanding ...

Security Cleared Python Developer

Hiring Organisation
Devonshire Hayes Recruitment Specialists Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
Required Skills & Experience Strong commercial experience with Python Experience building and maintaining production-grade applications Solid understanding of software development best practices Experience with RESTful APIs and backend services Familiarity with version control systems (e.g. Git) Strong problem-solving and communication skills Ability to work independently in a remote-first ...

Software Developer (Camunda)

Hiring Organisation
Synergize Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
includes demonstrable experience in using Camunda BPM, ideally up to version 7 or 8. - Back End software development skills using Java, Spring Boot and RESTful API's. - Working knowledge of BPMN and DMN standards - Familiarity with Docker, Kubernetes, and cloud platforms (including AWS, Azure, GCP) - Understanding of microservices architecture ...

ColdFusion Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract
that support major brands. ColdFusion Developer Responsibilities Develop, maintain, and optimise ColdFusion/CFML applications across customer-facing and internal platforms. Build and consume RESTful APIs to integrate with new services and modern architecture components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
colleague experiences and AI features. 6 month contract uk wide hybrid Core skills Java, Spring Boot, Spring Data/JPA (Hibernate), PostgreSQL. Eventing: Kafka; RESTful APIs (GraphQL a plus). Security: OAuth2/OIDC, secrets management, secure coding. CI/CD and containerisation: Docker; deploy to AWS and/ ...

Senior Software Engineer Backend

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
services client is seeking a Senior Software Engineer and help shape their cybersecurity in a fast-paced, global environment. Key Responsibilities: Design and maintain RESTful APIs and microservices using Node.js and NestJS. Build and automate AWS infrastructure with Terraform or CloudFormation. Develop and enhance CI/CD pipelines for microservice ...

Mulesoft Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £520/day
Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services (AWS) or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills ...

Python/ Django Developer

Hiring Organisation
Morgan Hunt Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
expertise in PostgreSQL database design, optimisation, and management. Experience in maintaining, refactoring, or migrating legacy systems. Solid understanding of server-side application architecture and RESTful APIs. Familiarity with Git, CI/CD pipelines, and cloud platforms (e.g., AWS, Azure, GCP). Excellent problem-solving skills and ability to work ...

Back-End developer (python and GCP) - hybrid London - £525 inside IR35

Hiring Organisation
Exalto Consulting ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£525 per day inside IR35
JavaScript frameworks •Experience with frontend technologies including React •Strong experience deploying and managing applications on Google Cloud Platform (GCP) •Proficiency in designing and integrating RESTful APIs •Demonstrated ability to implement automated testing strategies (unit, integration, regression) •Knowledge of security best practice, role and permission management, and data protection •Experience optimising ...

C# Developer - Risk IT

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day
strong academic background in Computer Science, Engineering, or a related field. Proven experience in SOLID Principles/Design patterns Deep knowledge of C# .NET , RESTful services , and microservice architecture . Hands-on experience with FIX messaging , XML , AMQ , and ideally nHibernate , OData , and TDD . Excellent communication skills ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
observability. Back End Integration Engineer's Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...

Back End Integration Engineer

Hiring Organisation
VIQU IT
Location
London, Broad Street, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day Inside IR35
observability. Back End Integration Engineer’s Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
observability. Back End Integration Engineer’s Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£520.00 - £522.00 per day
best-practice engineering standards Must-Have Skills Strong commercial experience with Java Hands-on experience with Kafka in production environments Experience building and consuming RESTful APIs Solid understanding of backend engineering principles Nice-to-Have Skills Spring ecosystem (Spring Framework, Spring Boot, Spring Data) Postgres or other relational databases OpenSearch ...

Golang Developer

Hiring Organisation
eTeam Workforce Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
ensuring scalability, maintainability, and resilience. Collaborate with product managers, designers, and other engineers to translate business requirements into robust technical solutions. Develop and integrate RESTful APIs and manage data flows between Back End and Front End components. Implement CI/CD pipelines, write automated tests, and ensure code quality … microservice architecture and 12-Factor App methodology. Familiarity with CI/CD tools, Docker, and Git-based workflows. Proficiency in designing, consuming, and securing RESTful APIs. Good understanding of software design principles, testing frameworks, and code maintainability practices. Nice to Have Skills: Exposure to cloud services (AWS Lambda ...