226 to 250 of 262 REST Jobs in the UK excluding London

CONTRACT (AGENTIC) AI / BACK-END ENGINEER (OUTSIDE IR35)

Hiring Organisation
Searchability (UK) Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £600 per day
very best from modern AI development platforms. WHAT WILL YOU BE DOING? As an AI Backend Engineer, you will: Build scalable backend applications and REST APIs using C# and .NET Champion the adoption of Agentic AI across the engineering function Coach engineers on best-practice AI-assisted software development Establish … modern C# and .NET practices WE NEED YOU TO HAVE... Strong commercial experience developing backend applications using C# and .NET Experience designing and developing REST APIs Hands-on commercial experience using Claude Code, GitHub Copilot, Cursor, OpenAI or similar AI development platforms Experience introducing or championing AI-assisted software engineering ...

Senior Mobile Developer

Hiring Organisation
Method-Resourcing
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Building new features and improving existing functionality Working with Swift, SwiftUI and UIKit for iOS development Developing Android applications using Kotlin and Java Integrating REST APIs and third party services Writing clean, maintainable and scalable code Taking part in code reviews and contributing to technical decisions Working closely with cross … people with experience of: Swift, SwiftUI and UIKit Kotlin and Java Publishing applications to both the Apple App Store and Google Play Store REST API integration Mobile application architecture including MVVM or Clean Architecture Git and modern development practices CI/CD pipelines and automated testing Experience with cloud platforms ...

C# .Net Developer

Hiring Organisation
Pontoon
Location
Bromley, Kent, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
experience with: C# development .NET 6.0/.NET 8.0 .NET Core .NET Framework 4.7+ Web & API Development Experience designing and developing Web Services, including: REST APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript … generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. ...

C# .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, London, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £750/day Inside IR35
experience with: C# development .NET 6.0/.NET 8.0 .NET Core .NET Framework 4.7+ Web & API Development Experience designing and developing Web Services, including: REST APIs SOAP Services Strong understanding of API design principles and documentation standards. ASP.NET MVC 5 ASP.NET Web API 2 Front-End Development Angular (v2+) JavaScript … generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention. ...

Senior MDM Engineer / Emerging Technical Lead

Hiring Organisation
Sanderson Recruitment
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£75,000
Location: Remote-first (UK-based) with quarterly onsite collaboration days and team events Tech Stack: Informatica IDMC, Customer 360, MDM Platforms, REST APIs, SQL, Cloud (Azure, AWS, GCP), CI/CD, Terraform, Docker Sanderson are currently working with a leading UK organisation that is investing heavily in its Customer Data … TIBCO EBX, or similar enterprise MDM technologies. Solid understanding of data quality, data governance, and data integration best practices. Experience designing and consuming REST APIs and integration services. Strong SQL and relational database knowledge, including PostgreSQL, MySQL, or Microsoft SQL Server. Exposure to cloud technologies including Azure, AWS, and/ ...

Lead Software Engineer

Hiring Organisation
Searchability
Location
Newark, Nottinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£48,000 - £60,000 per annum
team builds software whilst ensuring delivery remains scalable, maintainable, and commercially focused. You'll work across modern .NET applications, Blazor front ends, REST APIs, AWS infrastructure, and .NET MAUI mobile applications - contributing from concept through to deployment. ESSENTIAL SKILLS Strong commercial experience with C#/.NET Modern .NET 8/… development experience Blazor/Razor Components ASP.NET Core REST API development Entity Framework Core AWS infrastructure experience MySQL CI/CD pipelines using Azure DevOps & Git Full stack software engineering experience Experience mentoring or leading developers Strong understanding of scalable architecture and clean code principles ...

Senior Software Engineer

Hiring Organisation
Method Resourcing
Location
South West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
infrastructure, deployment and continuous improvement initiatives Technology You'll be working with a modern engineering stack including: Python Java Google Cloud Platform (GCP) Docker REST APIs Event-driven architecture Streaming data Distributed systems Real-time data processing About You We're looking for engineers with experience in: Commercial Python development … Java development Cloud platforms (GCP preferred, although AWS or Azure experience is also valuable) Docker and containerised applications REST API development Event-driven or distributed systems Real-time or high-performance backend applications Designing scalable data pipelines Desirable Experience Experience working within high-performance, highly transactional environments would be advantageous ...

Sharepoint Developer

Hiring Organisation
Reed
Location
Thames Ditton, Surrey, England, United Kingdom
Employment Type
Temporary
Salary
£450 - £750 per day, Inc benefits
including document management and collaboration platforms. Build Power Apps and Power Automate solutions integrated with SharePoint and Microsoft 365. Develop custom solutions using SPFx, REST APIs and Microsoft Graph. Design and maintain Dataverse data models. Integrate Microsoft 365 and third-party business systems. Work closely with stakeholders to gather requirements … user-focused solutions. Required Experience 5+ years' experience delivering SharePoint Online and Microsoft 365 solutions. Strong SharePoint Online development experience. SPFx, TypeScript, JavaScript, React, REST APIs and Microsoft Graph. Power Apps, Power Automate and Dataverse expertise. Experience with SharePoint governance, permissions, information architecture and document management. Excellent stakeholder management ...

Lead Java Developer

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£377/day 3377 p/d Outside IR35
looking for a Lead Java Developer for one of our local clients: £377 p/d Outside IR35 3 days a week in Glasgow, rest is WFH 6 month+ contract The Lead Java Developer will have strong experience leading teams and delivering enterprise Java applications in Agile environments. What … cloud deployments Driving best practice across development and delivery What we're looking for Java 8+ Spring Boot/Spring Framework Microservices and REST APIs JUnit 4/5 AWS Oracle and/or MongoDB Jenkins, Maven, CI/CD Git Agile/Scrum experience Client-facing experience Experience producing ...

Senior Software Developer

Hiring Organisation
Uniting Ambition
Location
Kettering, Burton Latimer, Northamptonshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
engineering team developing next-generation software solutions for automated warehouse operations. Working with a modern technology stack including C#, .NET, React, TypeScript, PostgreSQL, and REST APIs, you'll play a key role in designing, developing, and enhancing applications that have a direct impact on real-world operations. What … automation, and logistics What We're Looking For Strong commercial experience with C#/.NET Proven experience with React and TypeScript Solid understanding of REST APIs and relational databases Passion for building scalable, maintainable software A collaborative mindset and desire to drive technical excellence Experience working with AWS is considered ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
storage supporting current and future AI deployments Troubleshoot integration failures, data inconsistencies, and production issues Key Skills Python & SQL (production-grade pipeline development) REST APIs, webhooks, OAuth, event-driven architecture Orchestration tools: Airflow, Prefect, or Dagster Cloud platforms: AWS, GCP, or Azure Docker & Kubernetes Microsoft 365 & Microsoft Copilot Desirable Skills … data pipelines, and production infrastructure. Strong Python and SQL skills; experienced building robust, production-grade data pipelines from scratch. Deep familiarity with integration patterns: REST APIs, webhooks, OAuth, and event-driven architectures. Experience with orchestration tools (Airflow, Prefect, or Dagster) and transformation frameworks (dbt or similar). Comfortable across cloud ...

Senior Software Engineer (.NET / Avalonia / ASP.NET Core)

Hiring Organisation
ZENOVO LTD
Location
Frome, Somerset, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with the ability to adopt Avalonia) Strong understanding of MVVM architecture Experience with PostgreSQL, Dapper, and database-driven applications Experience working with JSON serialization, REST APIs, and OpenAPI/Swagger Experience implementing real-time communications using SignalR or similar technologies Strong unit and integration testing experience using xUnit … enhancements across desktop, backend, tooling, and API components Build new application functionality within an established .NET architecture Develop and extend ASP.NET Core services and REST APIs Implement database-driven functionality using PostgreSQL and Dapper Develop and maintain desktop UI features using Avalonia and MVVM principles Add or improve automated unit ...

Senior Frontend Developer

Hiring Organisation
Digital Waffle
Location
Guildford, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
latest Angular technologies, working closely with cross-functionalteams in an agile environment.Key Responsibilities * Develop and maintain Angular applications * Build reusable, testable components * Integrate with REST APIs * Implement unit & E2E testing (Playwright) * Manage state with NgRx * Contribute to code reviews and best practicesSkills Required * Strong Angular (latest versions) experience * RxJS, TypeScript … JavaScript, HTML, SCSS * NgRx and state management * Testing experience (Jasmine/Karma/Playwright) * REST APIs, Git, CI/CD, AgileIf this role matches your professional background or you think you'd be a strongmatch for this role. Please apply or email ...

Software Architect

Hiring Organisation
Stratospherec Ltd
Location
Horsham, West Sussex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum Excellent benefits
headquarters in Horsham, West Sussex. They are looking for candidates who can travel to the office once or twice a week and work the rest of the time - salary up to £65k. Tech skills .Net Core C# React Blazor Solid Principles Software Architecture Designs Desirable: AWS CI/CD Pipelines … REST APIs WPF The ideal candidate will have the ability to be proactive, work within a team and individually. They will have good written and verbal communication skills and be able to build and maintain relationships with colleagues and external partners. My client is looking for someone with a minimum ...

Technical Lead - FX Trading Technology (Java)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
experience developing enterprise Java applications within a banking or capital markets environment. Strong hands-on experience with Java, Spring/Spring Boot, Hibernate and REST APIs. Experience designing scalable, distributed, high-availability systems. Strong understanding of software architecture, design patterns and engineering best practices. Experience with Oracle SQL, messaging technologies …/REST) and CI/CD pipelines. Knowledge of Agile, Test-Driven Development (TDD) and DevOps practices. Equips with solid communication skills with the ability to lead technical delivery and engage business stakeholders Experience with FX trading systems (Spot, Forwards, NDFs) is highly desirable. Robert Walters Operations Limited ...

Applications Developer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
industry leading law firm client are currently looking to take on a new Applications Developer (Power Automate, AI Processing, SharePoint, Azure, .NET, C#, REST) to join their team on a permanent basis. This role will contribute to the development, configuration and maintenance of applications. To be considered for this Applications … Developer (Power Automate, AI Processing, SharePoint, Azure, .NET, C#, REST) role, It's ideal that you have: 4 + Years within a similar role Ideal but not required law firm or professional services experience Key duties will include: contribute to the development, configuration, and ongoing maintenance of applications, collaborating with ...

Python Engineer

Hiring Organisation
SR2
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
features, improve scalability and shape technical direction alongside experienced engineers. The role: Develop and maintain scalable backend services using Python & Django Design and build REST and GraphQL APIs Collaborate with Product, Engineering and business stakeholders Improve system architecture and performance Build clean, maintainable and well-tested code Help shape technical … decisions and engineering best practice Work with cloud infrastructure and modern DevOps tooling Tech Stack: Python/Django GraphQL/REST APIs PostgreSQL/Redis AWS (Cognito, S3, Lambda) Terraform/Docker Celery Git/CI/CD Requirements: Building backend applications using Python and Django in a commercial environment. ...

Senior Azure AI Platform Engineer | Azure AI Foundry | C# | APIs

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
wider business services. Key Responsibilities Design and build AI-enabled services using Azure AI Foundry and Azure OpenAI Design, develop and support secure REST APIs using C# and .NET Build and manage Azure Functions and serverless services Develop and support MCP Servers and AI integration services Design event-driven architectures … stakeholders to translate operational challenges into AI-enabled solutions Essential Experience C# and .NET development Azure API Management (APIM) Azure Functions Azure Service Bus REST API design and development Azure AI Foundry Azure OpenAI Event-driven architecture Azure integration engineering Secure API design Production support and operational ownership Desirable Experience ...

BMC Helix Architect / Senior Engineer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
Service Catalogue management. Lead migration from on-premises BMC Remedy to BMC Helix SaaS environments. Design and build integrations with third-party platforms via REST/SOAP APIs and BMC Helix iPaaS. Configure and maintain BMC Helix Discovery for CMDB population and CI relationship mapping. Implement SLAs/OLAs, automation … ITSM modules: Incident, Problem, Change, CMDB, Asset, Service Request, Knowledge. Proficiency in AR System workflow (Filters, Escalations, Active Links) and Smart IT configuration. Strong REST/SOAP API integration skills; experience with BMC Helix iPaaS/Integration Service. Scripting ability in Python, PowerShell, or Bash for automation tasks. Experience with ...

SAP PI Consultant CGEMJP00346040

Hiring Organisation
Jobleads-UK
Location
Telford, England, United Kingdom
s. Experience in designing a PI solution based on a functional requirement is essential. Excellent hands on experience working on SOAP and REST APIs. Carry out development in accordance with agreed requirements and development standards. Creation of Unit Test documents and other technical documents. Liaison with the functional and test … Technical Skills SAP PI/PO 7.3 and SAP ABAP R/3 PI Integration Hands on Development Strong PI development skills using SOAP, REST APIs and OAS. Good knowledge about other adapters e.g. File, JDBC and IDOC Desirable Technical Skills PI Interface Design/Configuration ABAP Proxy Development ...

Senior Full Stack Developer, AVP

Hiring Organisation
Jobleads-UK
Location
Belfast City District, Northern Ireland, United Kingdom
frontend interfaces and backend services to meet evolving business requirements.* Build and enhance common services and user interfaces using Java, Angular or React, and REST APIs, ensuring high-quality, scalable, and maintainable code.* Lead the full development lifecycle across analysis, design, construction, testing, and implementation to deliver reliable software … development, with a strong focus on full stack engineering across enterprise applications.* Proficiency in Java for backend development, with demonstrated experience building and consuming REST APIs in production environments.* Hands-on experience with Angular or React for building responsive, user-facing web interfaces.* Practical experience with Selenium for automated testing ...

Web Developer - .NET MVC / REST / SOAP - Rotherham

Hiring Organisation
Searchability (UK) Ltd
Location
Rotherham, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£50,000
your application to our client in conjunction with this vacancy only. Key Skills: Web Developer, .NET Developer, C#, .NET Core, ASP.NET MVC, SQL Server, REST APIs, SOAP, HTML5, CSS3, Bootstrap, Blazor, Agile, Software Developer, Web Developer. ...

Full Stack Developer

Hiring Organisation
Affinity Water Limited
Location
Hatfield, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
real difference. You'll also: Design, develop and maintain scalable web and mobile applications using Angular and Ionic. Build and integrate secure .NET REST APIs. Develop and deploy cloud-based solutions using AWS services and CI/CD pipelines. Ensure applications are secure, high-performing, maintainable and scalable. Write clean … commercial experience developing applications with Angular. At least 3 years' commercial experience developing cross-platform mobile applications using Ionic. Experience building and consuming .NET REST APIs. Experience working with AWS services, including: Lambda API Gateway CloudFormation CodeBuild Experience using Capacitor for Android and iOS application builds and releases. Experience working ...

Solutions Analyst

Hiring Organisation
South East Water
Location
Snodland, Kent, United Kingdom
Employment Type
Permanent
Salary
£40000 - £55000/annum
performance efficiency. Perform query tuning, analyse execution plans, and optimize indexes to ensure low latency across massive datasets. Build robust RESTful APIs using Oracle REST Data Services (ORDS) to expose database endpoints. Hybrid Infrastructure & Cloud Integration Collaborate with Cloud Engineers and DBAs to support database infrastructure running on-premise … APEX: Strong experience with modern APEX version 24 and newer, custom themes, templates, and JavaScript integration. API Development: Proficient in configuring and developing ORDS REST APIs. Web Basics: Solid foundational understanding of HTML5, CSS3, JavaScript, and JSON formatting. Cloud Infrastructure: Familiarity with GCP core services (GCE, Cloud SQL for MySQL ...

ServiceNow Developer

Hiring Organisation
DGH Recruitment
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£65,000
Rules, Client Scripts and Script Includes. Design and deliver custom applications, workflows and platform enhancements aligned with business requirements. Build and maintain integrations using REST, SOAP, MID Servers, IntegrationHub and third-party APIs. Support platform performance, data integrity, security and governance standards. Manage roles, groups, access controls, update sets, instance … Experience Proven hands-on ServiceNow development experience. Strong JavaScript, Glide API, HTML, CSS and JSON skills. Experience with Flow Designer, IntegrationHub and Scripted REST APIs. Experience developing integrations using REST, SOAP, MID Servers and third-party APIs. Experience managing update sets and supporting instance migrations. Ability to translate business requirements ...