Remote Contract API Development Jobs

9 of 9 Remote Contract API Development Jobs

Senior MuleSoft Developer

London, United Kingdom
Hybrid / WFH Options
ARM
desirable Your main responsibility will be to deliver clean, maintainable, and well-tested code that adheres to SOLID principles. You will work collaboratively across Quality Assurance, DevOps, and other development teams, sharing knowledge, supporting onboarding, and contributing to code reviews. Key Responsibilities Deliver high-quality, maintainable code and development outcomes. Manage data exchange between backend services, front-end … clear code comments. Ensure compliance with quality standards, including automated testing and code reviews. Address non-functional requirements such as performance, monitoring, and operational support. Support releases through all development environments, maintaining quality and reliability. Contribute to skill development and technology adoption within the team. Present technical concepts in demos and participate in user feedback sessions. Provide accurate … RAML, REST APIs, flow control, and error handling. Hands-on experience with the Anypoint Platform (CloudHub, VPC, VPN, DLB, firewalls, and cloud technologies). Securing and managing APIs using API Manager. Developing frameworks for error handling and logging. Managing the API development lifecycle from design to governance and management. Working with batch message processing, Salesforce, file, and More ❯
Employment Type: Contract
Rate: £550 - £580/day
Posted:

GenAI Python Developer

London, United Kingdom
Hybrid / WFH Options
EMBS Engineering
environments with tight security controls Experience integrating AI or ML services into real-world applications Knowledge of authentication, secret management, networking, and model access governance Bonus Points For: Kong API Gateway, Kong Mesh, Flux CD AWS stack: EC2, EKS, S3, SQS, DynamoDB, Bedrock RESTful API development with FastAPI, microservices, Terraform, GitOps workflows Prompt evaluation tools such as More ❯
Employment Type: Contract
Rate: £450 - £500/day
Posted:

Senior Ruby Developer SC Clearance preferred

London, South East, England, United Kingdom
Hybrid / WFH Options
Adecco
reused. You'll be part of a small, agile, multi-disciplinary team working on open data platforms and services that make a real difference. This is a hands-on development role with strategic influence, where you'll help shape architecture, engineering practices, and delivery standards across a growing programme team of 60+ people. Key Responsibilities Design, build, and maintain … Ensure code quality, documentation, and maintainability Align delivery with recognised standards including the Technology Code of Practice and Service Standard Essential Skills & Experience 4+ years of experience in software development Strong proficiency in Ruby (Python is a bonus) Experience with microservices or service-oriented architecture Skilled in writing clean, well-documented code and taking ownership of the development process Comfortable working in agile , cross-functional teams Familiarity with: Docker & Kubernetes Git & version control API development (REST, GraphQL) Cloud deployment Open data platforms or search technologies Desirable Experience working with or within government or public sector teams Background in open data , civic tech, or mission-driven organisations Working Arrangements Base location: London or Manchester (2 days More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Backend Software Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Bruin Financial & Professional Services
Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯
Employment Type: Contractor
Rate: £550 - £650 per day
Posted:

Node Developer - Contract Outside IR35 - UK remote

Nationwide, United Kingdom
Hybrid / WFH Options
Infused Solutions Ltd
solution. This role is ideal for a hands-on developer who enjoys solving complex problems and improving legacy systems using modern technology. Key Skills & Experience Strong Node.js and JavaScript development experience Experience working on greenfield or migration projects Good understanding of API development and system integration Exposure to MongoDB (Mongo Atlas desirable) Comfortable working in Linux environments More ❯
Employment Type: Contract
Rate: £350 - £400/day
Posted:

C# / DataStage ETL Developer - Hybrid - Banking - £960 p/d

London, United Kingdom
Hybrid / WFH Options
GCS
experience Skills required C# .Net Framework and Object Orientated programming concepts. Oracle and SQL server (PL/SQL & TSQL). .NET Core C# and .NET (Windows & Web) development. Web API development DataStage ETL Databricks Key Responsibilities Develop and maintain applications using C#, .NET Framework, and .NET Core for both Windows and Web platforms. Design and implement Web APIs More ❯
Employment Type: Contract
Rate: £600 - £960/day Inside IR35
Posted:

Full-Stack Developer

Milton Keynes, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Experis
across UK Government for digital redaction and data sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java … end tests using JUnit, Test Containers, Vitest, and StoryBook. Conduct code reviews to maintain quality and consistency. Security & Documentation Implement authentication, authorisation, and other security best practices. Maintain internal API and code documentation. Essential Skills Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development. Proficient with SQL databases and CI/CD tools. Hands-on More ❯
Employment Type: Contract
Rate: £525 - £575/day
Posted:

Full-Stack Developer

Bletchley, Buckinghamshire, United Kingdom
Hybrid / WFH Options
Experis
across UK Government for digital redaction and data sensitivity review. You'll join a multi-disciplinary team delivering scalable, secure, and high-performance software solutions. Key Responsibilities Front-End Development Build responsive user interfaces using HTML, CSS, JavaScript, TypeScript, and React. Ensure cross-browser compatibility and optimised user experience. Back-End Development Develop APIs and microservices using Java … end tests using JUnit, Test Containers, Vitest, and StoryBook. Conduct code reviews to maintain quality and consistency. Security & Documentation Implement authentication, authorisation, and other security best practices. Maintain internal API and code documentation. Essential Skills Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development. Proficient with SQL databases and CI/CD tools. Hands-on More ❯
Employment Type: Contract
Rate: GBP 525 - 575 Daily
Posted:

Guidewire PolicyCenter Configuration Lead (JDP, APD, CDA) - 6 months - Hybrid London - Inside IR35

London, United Kingdom
Hybrid / WFH Options
Hamilton Barnes
Design and oversee system-to-system interfaces, APIs, and data flows between PolicyCenter and external systems. Define and establish CI/CD pipelines and overall tooling strategy for Guidewire development and deployment. Collaborate with client architects and business analysts to align non-functional requirements with solution design. Provide technical leadership and mentoring to offshore teams within a global delivery … accreditation (mandatory). Strong hands-on knowledge of Guidewire JDP (Digital Portals), APD (Advanced Product Designer), and CDA (Common Data Access). Proven background in integration design, Middleware, and API development. Experience defining and managing CI/CD and DevOps processes for Guidewire platforms. Excellent client-facing, leadership, and communication skills. Ability to manage delivery with a distributed/ More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:
API Development
Work from Home
10th Percentile
£400
25th Percentile
£431
Median
£520
75th Percentile
£600
90th Percentile
£695