24 of 24 Contract API Development Jobs in England

Senior GCP APIGEE Engineer

Hiring Organisation
Vallum
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
role as a GCP APIGEE specialist involves supporting teams with modern DevOps solutions, curating scalable GCP Cloud Products as IaaC and building APIGEE/API and modernizing APIGEE gateway. You'll learn new skills, technologies and approaches to software development as well as benefiting from a culture that … celebrates diversity, equal opportunity. Your responsibilities: Hands-on development and management of Google Apigee API Management Platform. Design, build, and deploy API proxies, policies, and configurations in Apigee. Implement CI/CD pipelines for API life cycle management using tools like Jenkins, GitHub Actions, or Harness. ...

Mulesoft Architect

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
MuleSoft Architect Key responsibilities: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining … delivering the Integration Technology aspects of the projects, including timely production of architectural designs and documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs Working with Capgemini teams in Switzerland, Europe, and on the global level, on large programs that ...

Mulesoft Architect

Hiring Organisation
Adroit People Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£420 per day
Greetings We are Hiring Mulesfot Architect- London, UK Mule soft Architect Contract duration: 6 months initially Hybrid- London, UK Immediate joiner only Job Spec: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with … particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering the Integration Technology aspects of the projects, including timely production of architectural designs and documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks ...

Integration Developer - Azure, Logic/Function Apps, API, SQL, C

Hiring Organisation
Informed Recruitment
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
experienced contract Integrations Developer looking to be part of an expanding development function? Do you have Azure Integration, Logic Apps, Function Apps, C#, and API development skills? Let Informed Recruitment help you to achieve your potential with an exciting opportunity for a Systems Development to influence … development of high quality and robust systems. As a specialist provider of resource to the Property & Associated Technology markets, we are delighted to be partnering with a social enterprise offering you the opportunity to make a difference and take responsibility as part of modern environment championing continual improvement. This ...

MuleSoft Technical Architect

Hiring Organisation
InfinityQuest Ltd,
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day Inside IR35
department requirements. Strong communication and presentation skills Mulesoft Platform Architect or Mulesoft Integration Architect certification is an advantage. Required?Qualifications: Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate goodproficiencyworking with the MuleSoftAnypointPlatform MuleSoft Certified: MuleSoft MCD or MCA certification Knowledge … API-management and micro-services 8 to 10+ years hands on experience in integration development, testing and deployment experience. Senior level integrationexperience as a Senior Mulesoft Developer/Architect+ API integration experience. DesiredQualifications: Knowledge of SQL, PL/SQL will be considered an advantage.? Understanding of interface ...

Back End Developer

Hiring Organisation
Maxwell Bond
Location
City, Liverpool, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
Senior Developer (Contract, AI-Driven Environment, Node.JS) We re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools … APIs fast and independently Have proven experience with consumer-facing platforms Use AI coding tools (Cursor, Claude Code, Codex, or similar) to speed up development Make confident technical decisions with minimal guidance Follow clear architectural standards and established development patterns Understand backend performance, scalability, and security at production ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
process flow diagrams, conducting time-motion studies, identifying bottlenecks and inefficiencies, and redesigning processes to be machine-readable and automation-ready using methodologies. Python Development - Strong proficiency in Python programming including object-oriented design, asynchronous programming, error handling, and writing clean, maintainable code. Experience with key libraries including Pandas … business process applications, configuring workflows, implementing business rules, 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. ...

Mule soft Architect

Hiring Organisation
InfinityQuest Ltd,
Location
London, United Kingdom
Employment Type
Contract
Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate good proficiency working with the MuleSoft Anypoint Platform MuleSoft Certified: MuleSoft MCD or MCA certification Knowledge of API-management and micro-services 15 to 20+ years hands on experience in integration development …/SQL will be considered an advantage. Understanding of interface automated testing and troubleshooting. Experience working as a member of a small agile software development team, eg, participating in planning sessions and interpreting user stories, doing code reviews, pair programming. ...

AI Consultant

Hiring Organisation
Reed
Location
Bedford, Bedfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day, Inc benefits
Azure, AI Foundry, Open-AI, Microsoft Copilot Studio, Machine Learning, Python, TensorFlow, PyTorch, scikit-learn, Large Language Models, LLM, Data preprocessing, REST API, Microservices architecture, MLOps, CI/CD for ML, Power-BI, Docker, Kubernetes, AI Ethics, Cloud Platforms, AWS, Google Cloud Platform, SQL, NoSQL, DevOps, Financial services, Regulatory … Hybrid/Bedford Daily Rate: £600-£650 (via Umbrella) 9 months initial contract We are seeking two AI Solutions Engineers to lead the design, development, and deployment of AI solutions. This hands-on technical role focuses on building scalable AI-powered services for both B2B and B2C applications. ...

Python/ AI Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£55,000 - £75,000 per annum
engineers and workflow architects to translate business challenges into technical solutions. • Ensure adherence to secure coding practices, including authentication, credential management, data protection, and API security. About You Python Development: Proficient in Python 3.x (OOP, data structures, exception handling, modules); experience with requests, pandas, numpy, asyncio, FastAPI/… automation. (Guardrails and Prompt engineering experience added advantage) Authentication & Security: Experience with MSAL authentication, secure coding practices (Key Vault, input validation, encryption), RBAC, and API key/credential management. Data Handling & Storage: Skilled in structured/unstructured data (CSV, JSON, XML, PDF, DOCX); efficient data processing and storage using ...

ColdFusion Developer

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract
components. Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions. Support the migration and refactoring of legacy ColdFusion code to modern development standards. Troubleshoot performance issues, implement fixes, and ensure best practices in coding and testing. Contribute to documentation, code reviews, and continuous improvement initiatives. ColdFusion …/CFML (Adobe ColdFusion or Lucee). Proficient in SQL and relational databases such as MySQL, PostgreSQL, or SQL Server. Solid understanding of REST API development, integrations, and modern application architecture. Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices. Experience with Git, CI/ ...

Mule soft Architect

Hiring Organisation
InfinityQuest Ltd,
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Practical experience in MuleSoft API Development, MuleSoft Flow development and MuleSoft cloud hub Demonstrate good proficiency working with the MuleSoft Anypoint Platform MuleSoft Certified: MuleSoft MCD or MCA certification Knowledge of API-management and micro-services 15 to 20+ years hands on experience in integration development ...

Backend Software Engineer

Hiring Organisation
Bruin Financial & Professional Services
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
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 … 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 ...

Lead Software Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
Developer Location: London, 1-2 days every 2 weeks Duration: until 2-Jan-27 Rate: £(Apply online only) per day - umbrella only Required Skills: API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies. Azure Logic Apps: Configure and integrate Azure Logic Apps … JavaScript, PowerShell & C# Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection. Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or Vue.js. Back-End Development: Develop and maintain server ...

Senior Software Engineer Backend

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
networking and compliance. Collaborate with Agile teams to deliver high-quality, secure software at scale. Key Skills: Strong Node.js/NestJS and REST API development experience. Skilled in AWS Build and evolve backend services that support login, MFA, and client authentication Proficient with IaC, CI/CD (CloudFormation ...

Senior Risk Python Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£875.0 - £900.0 per day + Up to £900pd Umbrella
currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive Python application development experience within financial services - must have. Strong … API development experience. Strong experience with Django or similar. Javascript experience - nice to have. Strong risk knowledge, and a good mathematical background. Extensive experience working with and analysing large quantities of data. Strong SQL experience. What you'll get in return: Up to £900pd umbrella. London-based hybrid ...

Senior Data Engineer

Hiring Organisation
IO Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
economic data . This platform underpins critical Monetary Analysis, Forecasting, and Modelling activities, making this position essential to their mission. Key Responsibilities Data Pipeline Development & Optimisation Design, develop, and maintain robust, scalable data pipelines for ingesting, transforming, and loading data from diverse sources (APIs, databases, financial data providers) into … accuracy throughout the lifecycle. Azure Databricks Implementation Work extensively with Unity Catalog, Delta Lake, Spark SQL , and other Databricks services. Apply best practices for development and deployment . Optimise workloads for performance and cost . Program in SQL, Python, R, YAML, and JavaScript . Data Integration Integrate data from ...

Mulesoft Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £520/day
other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft … stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms ...

Senior Ruby Developer - 4 days a week in Preston

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Preston, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with a talented engineering team to deliver high-quality solutions in a fast-paced environment. Requirements: Strong experience with Ruby on Rails Familiarity with API development and microservices architecture Exposure to data-intensive applications If this sounds like a good fit, please apply, or feel free to reach ...

BMC Helix Technical Delivery Authority

Hiring Organisation
KBC Technologies UK LTD
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ITSM processes (Incident, Change, Problem, Service Request). Proven experience integrating BMC Helix with external platforms (AD, Orchestrators, Discovery tools). Solid understanding of API development, web services, and data migration strategies . Experience working in Agile and Waterfall delivery models. Strong ability to manage multi-vendor environments ...

Technical Design Authority

Hiring Organisation
DCV Technologies Limited
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £30 to £50 per hour
only administration). Hands-on experience with AR System, Atrium CMDB, Digital Workplace, Smart IT and Smart Reporting. Proven track record delivering ITSM integrations, API development, web services and automation. Understanding of ITIL processes: Incident, Change, Problem, Service Request. Experience working in complex, multi-vendor delivery environments. Contract ...

BMC Helix Technical Delivery Consultant

Hiring Organisation
Vallum Associates
Location
RG2, Shinfield, Wokingham, Berkshire, United Kingdom
Employment Type
Contract
ITSM processes (Incident, Change, Problem, Service Request). Proven experience integrating BMC Helix with external platforms (eg, AD, Orchestrators, Discovery tools). Familiarity with API development, web services, and data migration strategies. Experience in Agile and Waterfall methodologies. Ability to manage multi-vendor environments and complex delivery landscapes. ...

Data Lead - OrgVue

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day None
launch of OrgVue. Support the creation of seamless data transfer between SuccessFactors and OrgVue and prepare data for return to SuccessFactors ahead of API development. Collate, review, cleanse, and prepare all people data for OrgVue modules (Modelling, Talent Selection, Strategic Workforce Planning). Use accurate data to provide insight ...

Salesforce Marketing Cloud Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
support continuous improvement of business performances and customer experience. We're looking for a talented individual seeking out latest trends and techniques in email development to help M&S take the next step. Please include a link to your portfolio as part of your application. Your Responsibilities … Essential Skills/Knowledge/Experience (Up to 10) Strong understanding of HTML/CSS for responsive email. Strong understanding and experience in SFMC API development. Strong understanding and experience in SSJS scripting + relevant scripting languages. Experience using Salesforce Marketing Cloud and Content Builder to deliver automated email ...