Contract REST Job Vacancies

1 to 25 of 97 Contract REST Jobs

Senior Software Engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Hybrid / WFH Options
VANLOQ LIMITED
proficiency across AWS and GCP, to design and implement resilient frontend clients, backend services, infrastructure automation, and cloud-native solutions. Key Responsibilities Design, develop and maintain secure, performant backend REST API services and frontend clients using Python, GoLang, Docker, and Cloud-Native services. Manage and implement database schema changes using Liquibase, ensuring compliance with audit and regulatory standards. Build and More ❯
Employment Type: Contract
Posted:

Senior Platform Delivery Lead (BPMN & DMN - Camunda)

London, United Kingdom
Adecco
collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why Join Us? Be part of a forward-thinking organisation that values diversity More ❯
Employment Type: Contract
Posted:

Senior Platform Delivery Lead BPMN & DMN - Camunda

London, South East, England, United Kingdom
Adecco
collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana Data Persistence: PostgreSQL, MongoDB, Redis Why Join Us? Be part of a forward-thinking organisation that values diversity More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Software Engineer

Sheffield, South Yorkshire, United Kingdom
Hybrid / WFH Options
Experis
systems within a secure, high-availability environment at one of the world's leading financial institutions. Responsibilities will include: Design, develop and maintain highly available, secure, and performant backend REST API services along with frontend client using Python, Golang, Docker and Cloud-Native services. Implement and manage database schema changes using Liquibase, ensuring alignment with compliance and audit standards. Build More ❯
Employment Type: Contract
Rate: £500 - £550/day
Posted:

Snaplogic Developer

United Kingdom
Hollborn Recruitment Ltd
for existing integrations. Required Qualifications Proven experience as a SnapLogic Developer/Engineer. Strong expertise in SnapLogic pipeline design, integration patterns, and deployment. Solid understanding of APIs, web services (REST/SOAP), and data formats (JSON, XML, CSV, Flat Files). Hands-on experience in error handling, debugging, and performance tuning of integrations. Familiarity with relational databases (SQL/NoSQL More ❯
Employment Type: Contract
Rate: £350 per day as per market standards
Posted:

Senior Digital Java Developer

Leeds, West Yorkshire, Yorkshire, United Kingdom
Qualserv Consulting
scale high-traffic websites and maintain an understanding of web architecture. Knowledge of unix-like operating systems such as Linux and/or Mac OS X J2EE, Java, microservices, REST, APIs, JPA, Hibernate, SQL, JWT, Cloud, digital, PostgreSQL, Oracle DB, AWS, Lambda, AKS, DevOps, Jenkins, Azure, JavaScript, SC Clearance, SC Cleared More ❯
Employment Type: Contract
Rate: From £650 to £700 per day
Posted:

C++ Developer

Hounslow, London, United Kingdom
Hybrid / WFH Options
iDPP
software development experience. Proficient in C++11 or later with strong knowledge of memory management, concurrency, and object-oriented programming. Solid experience with AngularJS, HTML, CSS, and JavaScript. Familiarity with REST APIs, JSON, and web service integration. Experience in maintenance/support roles involving bug fixing and system enhancement. Strong debugging and full-stack problem-solving skills. Proficient in using Git More ❯
Employment Type: Contract
Rate: £430 per day INSIDE IR35
Posted:

SuiteCRM Developer

United Kingdom
Damia Group Ltd
customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. Implement new features and maintain existing functionality with a focus on performance and scalability. Create and manage REST/SOAP API integrations with third-party systems. Collaborate with cross-functional teams (e.g., business analysts, QA, UI/UX designers) to translate requirements into technical solutions. Troubleshoot and resolve More ❯
Employment Type: Contract
Rate: £375 - £425 per day
Posted:

Principal Engineer

London, United Kingdom
Experis
Develop engineering capability through coaching, recruitment, and career development aligned with DDaT frameworks. Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security. Detailed knowledge of best practices such as SOLID principles Experience of building new and evolving microservices with emphasis on high availability More ❯
Employment Type: Contract
Rate: £600 - £630 per day
Posted:

Python Developer

London, United Kingdom
Ascendion
performance, scalability, and security. Support integration with cloud platforms, automation, or data pipelines. Required Skills & Experience: Strong proficiency in Python and related frameworks (Django, Flask, FastAPI). Experience with REST APIs, microservices, and backend development. Knowledge of databases (PostgreSQL, MySQL, MongoDB). Familiarity with cloud platforms (AWS/Azure/GCP) and CI/CD practices. Strong problem-solving, debugging More ❯
Employment Type: Permanent, Contract
Posted:

Dynamics 365 Developer

Remote Based, North West, Manchester, United Kingdom
Hybrid / WFH Options
Agile Recruit
CRM Strong skills in C#, .NET, JavaScript, HTML, and TypeScript Experience with Power Platform (Power Apps, Power Automate, Power BI) Familiarity with Dataverse and Azure integrations Understanding of REST APIs and system integrations Must be resident in the UK and eligible to work without sponsorship Desirable Skills Microsoft Dynamics 365 certifications Experience with CI/CD pipelines and DevOps tools More ❯
Employment Type: Contract
Rate: £300 - £375/day Inside Ir35
Posted:

Python Developer

Glasgow, Lanarkshire, Scotland, United Kingdom
Hybrid / WFH Options
Halian Technology Limited
Infrastructure as Code using Terraform & AWS Collaborate in agile practices: standups, sprints, code reviews, pair programming What Were Looking For Proven Python experience (Django or similar frameworks) Experience with REST APIs & cloud deployment (AWS preferred) Familiarity with React/TypeScript (or willingness to collaborate with front-end teams) Knowledge of automated testing, CI/CD, and DevOps workflows Ability to More ❯
Employment Type: Contract
Rate: From £350 to £400 per day
Posted:

DevOps Engineer - DV Cleared

Worcestershire, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
SonarQube, Trivy, AWS IAM, CIS Benchmarks Configuration Mgmt. Ansible, Puppet, Chef Build Tools Maven, Gradle, NPM, Webpack Testing Tools Selenium, JUnit, Postman, Cypress Other Nexus/Artifactory (artifact repositories), REST APIs, JSON/YAML, Linux system admin More ❯
Employment Type: Contract
Rate: £550 - £600/day
Posted:

Data & Analytics Engineer 12 Month FTC

South West London, London, United Kingdom
Liberty Wines
to use and trust the data Desirable: Experience with Lakehouse patterns; setting standards, quality checks etc. Parquet partitioning and clustering to optimise for query speed and cost GitHub Actions REST APIs ML Ops tooling What you can expect 25 days holiday excluding public holidays increasing after 2 years service Participation in Company and Personal bonus schemes Company pension scheme matching More ❯
Employment Type: Contract
Posted:

Data & Analytics Engineer 12 Month FTC

Clapham, London, England, United Kingdom
Liberty Wines
to use and trust the data Desirable: Experience with Lakehouse patterns; setting standards, quality checks etc. Parquet partitioning and clustering to optimise for query speed and cost GitHub Actions REST APIs ML Ops tooling What you can expect 25 days holiday excluding public holidays increasing after 2 years’ service Participation in Company and Personal bonus schemes Company pension scheme matching More ❯
Employment Type: Contractor
Rate: Competitive salary
Posted:

Contract Python Software Engineer

Cambridge, Cambridgeshire, East Anglia, United Kingdom
Innovare Recruitment Ltd
role will involve building, optimising, and scaling backend systems, APIs, and services, while contributing to an agile delivery team. Key Skills Required: Strong Python development experience FastAPI MySQL Azure REST API development Microservices Agile methodologies TDD (Test-Driven Development) Desirable Skills: Ansible Docker Kubernetes Database experience across SQL, MongoDB, and Redis Why join? This is a chance to work on More ❯
Employment Type: Contract
Rate: Up to £450 per day
Posted:

ServiceNow Developer - Security Cleared

London, United Kingdom
Parker Shaw
used in ServiceNow. Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and Legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and More ❯
Employment Type: Contract
Rate: GBP 35 Annual
Posted:

Full Stack Developers (AI/ML integration)

London, United Kingdom
Hybrid / WFH Options
Alexander Mann Solutions
Full stack development expertise (React, TypeScript, Python). Experience with FastAPI or similar Back End frameworks. Familiarity with agent frameworks and AI/ML integration. Experience working with APIs (REST/DAST). Strong understanding of Agile/Scrum delivery. Next steps This client will only accept workers operating via an Umbrella or PAYE engagement model. If you are interested More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

ServiceNow Developer - SC

London, United Kingdom
Hybrid / WFH Options
Aspect Resources
used in ServiceNow. Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and Legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and More ❯
Employment Type: Contract
Rate: GBP 650 - 700 Daily
Posted:

Guidewire Developer and Business Specialist

London, South East, England, United Kingdom
ALOIS Solutions
Senior Guidewire ClaimCenter Developer 6+ years’ experience with ClaimCenter, Guidewire Certified. Strong in Gosu, Java, SOAP/REST, Studio, Messaging, Data Model, Rules & Workflows. Lead development, integrations, mentoring, code reviews, and performance optimization. Agile/Scrum experience with solid problem-solving and communication skills. Guidewire ClaimCenter Business Specialist/Analyst 5+ years’ experience with ClaimCenter, Guidewire Certified (preferred). Skilled More ❯
Employment Type: Contractor
Rate: £350 - £450 per day
Posted:

Integration Developer-Azure-Salesforce-Student records

London, United Kingdom
Hybrid / WFH Options
InterQuest Group (UK) Limited
Integration Developer on enterprise-scale programmes, preferably in Higher Education. experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid Experience building and managing REST APIs and implementing API-first integration designs Experience integrating cloud systems (Salesforce, Canvas LMS, or other SaaS platforms. Experience with SITS or other legacy student systems, particularly around data integration More ❯
Employment Type: Contract, Work From Home
Rate: £450 per day
Posted:

ServiceNow Developer

City of London, London, United Kingdom
Access Computer Consulting
ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions is also required. Experience of REST/SOAP API Integration: Building and consuming APIs for third-party integrations. Knowledge of ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor and Service Portal Development: Custom More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

SC Cleared ServiceNow Developer

United Kingdom
Berkeley Square IT Ltd
development of enterprise workflows and data-driven decisions. Essential Skills: - Proficiency in JavaScript - Core Scripting language used in ServiceNow. - Experience with modules like ITSM, ITOM, HRSD, CSM, and CMDB. - REST/SOAP API Integration: Building and consuming APIs for third-party integrations. - Service Portal Development: Custom widgets, pages, and themes. - ServiceNow Workflows: Designing and implementing Flow Designer and Legacy Workflow More ❯
Employment Type: Contract
Rate: GBP 700 Daily
Posted:

ServiceNow Developer - 12 months - £700 per day - SC Cleared

London, South East, England, United Kingdom
Involved Solutions
used in ServiceNow. Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor. Service Portal Development: Custom widgets, pages, and More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

SuiteCRM Developer

Coventry, Warwickshire, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
customize modules, workflows, and plug-ins in SuiteCRM to meet business requirements. Implement new features and maintain existing functionality with a focus on performance and scalability. Create and manage REST/SOAP API integrations with third-party systems. Collaborate with cross-functional teams (e.g., business analysts, QA, UI/UX designers) to translate requirements into technical solutions. Troubleshoot and resolve More ❯
Employment Type: Contract
Rate: GBP 400 - 425 Daily
Posted:
REST
10th Percentile
£350
25th Percentile
£401
Median
£475
75th Percentile
£595
90th Percentile
£695