726 to 750 of 852 REST Jobs in the UK

CONTRACT BACK-END ENGINEER - .Net / C# / Claude (OUTSIDE IR35)

Hiring Organisation
Searchability (UK) Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
iterating outputs whilst remaining fully accountable for the quality of their code. WHAT WILL YOU BE DOING? Build and ship backend applications and REST APIs using C# and .NET Use Claude Code as part of your day-to-day development workflow Own features through design, build, test, deployment and operation … standards around security, data privacy and change control WE NEED YOU TO HAVE... Strong commercial C# and .NET backend experience Experience designing and developing REST APIs Hands-on experience using Claude Code for software development Strong TDD/automated testing experience Good knowledge of CI/CD Strong software engineering ...

Senior Node.js Developer (AWS, HAPI)

Hiring Organisation
Sanderson Recruitment
Location
United Kingdom
Employment Type
Contract
Contract Rate
Up to £562.96 per day + Inside IR-35
engineer to develop services, build APIs and integrate with existing Defra systems. Responsibilities Develop and maintain services using Node.js and HAPI Build and support REST APIs Integrate with existing Defra and ALB systems Work within an agile delivery team Produce well-tested, maintainable code Participate in code reviews Contribute … estimation Support CI/CD and deployment activities Help define and refine acceptance criteria Follow secure development practices Required Skills Development Node.js HAPI REST APIs OpenAPI Databases PostgreSQL MongoDB Redis Testing Jest Vitest DevOps & Cloud AWS Docker Git GitHub GitHub Actions Delivery Jira Azure DevOps Agile delivery environments Security OWASP ...

Senior PHP Developer

Hiring Organisation
Profectus Recruitment
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
strong visibility across wider digital transformation and automation initiatives internally. Key Areas: Building and supporting internal applications and integrations Developing secure API-led solutions (REST/GraphQL) Working across Azure PaaS services including Azure Functions & App Services Supporting modern integration approaches including API and event-driven solutions Contributing towards … Project teams Supporting ongoing modernisation initiatives across the technology estate Technical Environment: PHP (v8+) Laravel/Symfony/Yii2 Azure PaaS Azure Functions REST APIs/GraphQL JavaScript/HTML/CSS MySQL/PostgreSQL Git/CI/CD Linux (CentOS/RedHat) Azure-native tooling and integrations ...

Net Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day
Liaise with technical and business colleagues to understand functional requirements and deliver solutions that align with business objectives. Utilise your understanding of Web Services (REST, SOAP) to design and document APIs effectively. Work with MS SQL Server, including TSQL, SSIS, SSRS for database management and reporting. Utilise version control tools … Experience: Proven experience in software development with .NET (C#, .NET Core) and Python. Deep functional knowledge or hands-on design experience with Web Services (REST, SOAP). Understanding of API design and documentation best practises. Proficient in MS SQL Server, TSQL, SSIS, SSRS. Familiarity with Git/Bitbucket ...

Senior Python Backend Software Developer

Location
Greater London, England, United Kingdom
Engineer could be available to the right candidate. What you’ll be doing Implementing robust and scalable solutions in Python. Developing, using and designing REST APIs to efficiently deliver application components. Implementing performance improvement strategies. Ensuring the quality of code by writing comprehensive tests and participating in code reviews. What … apply new technology quickly Ability to effectively communicate complex technical concepts to team members and stakeholders. Familiarity with coding in Django and the Django Rest Framework, or Flask Web frameworks Degree in Computer Science (or similar), at 2:1 or above Amazon Web Services SQL/PostgreSQL Build pipeline ...

NextGen IAM Engineer

Location
Sheffield, England, United Kingdom
Maintain awareness of emerging technologies and engineering best practices. About You You should have: Experience with cloud-native application development. Strong API development and REST API expertise. Experience designing and developing microservices architectures. Knowledge of event-driven architecture patterns. Hands-on Kubernetes experience. Experience with Git-based source control. Experience … effectively within complex enterprise environments. Mandatory Skills Software Engineering | Cloud-Native Development | API Development | Microservices | Kubernetes | CI/CD | DevSecOps | IAM | OAuth2/OIDC | REST APIs Notwithstanding any guidelines given on the level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary ...

Software Engineer (Salesforce)

Hiring Organisation
Robert Walters
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
secure and maintainable Salesforce solutions. Build solutions using Apex, Lightning Web Components, Flows and declarative configuration. Integrate Salesforce with upstream and downstream systems using REST/SOAP APIs or Middleware such as MuleSoft. Apply strong engineering standards across code quality, testing, security and technical governance. Support CI/CD pipelines … Strong, hands-on Salesforce engineering experience. Advanced knowledge of Apex, Lightning Web Components, Salesforce Flows and declarative development. Experience designing Salesforce integrations using REST/SOAP APIs or MuleSoft. Good understanding of Salesforce architecture, data modelling, security, governor limits and platform best practices. Experience with Git, CI/CD, automated ...

Principal Cloud Software Engineer

Location
Cambridge, England, United Kingdom
Lead the technical design and implementation of secure, resilient cloud platform capabilities for AVEVA CONNECT Core Services* Guide architecture and engineering decisions across microservices, REST APIs, data design, CI/CD, and infrastructure as code* Provide technical leadership to development teams, supporting complex problem-solving, design reviews, and delivery quality … direction* Strong design and coding skills, with a reputation for delivering high-quality technical outcomes* Experience developing microservice or service-oriented architectures and designing REST APIs* Experience with C#/.NET or multiple programming languages, plus a strong understanding of database design, CI/CD, and infrastructure as code* Experience ...

Oracle Integration Developer(DV Cleared)-UK(Remote/Hybrid)

Location
City Of London, England, United Kingdom
Build custom connectors, adapters, and integration flows to connect Oracle Fusion ERP, HCM, and SCM with third‐party and legacy systems. Write and maintain REST/SOAP web services, handling authentication, error handling, and payload transformations (XSLT, JSON/XML mapping). Develop data conversion and migration components using FBDI … building integrations using Oracle Integration Cloud (OIC). Working technical knowledge of Oracle Fusion ERP, HCM, or SCM data structures and APIs. Proficiency with REST/SOAP web services, JSON, XML, and XSLT transformations. Experience with FBDI, HDL, and BI Publisher (BIP) for data loads and reporting integrations. Understanding ...

Solution Architect

Location
Greater London, England, United Kingdom
practices is essential. You will clearly explain complex cloud concepts to diverse audiences and facilitate their adoption. Modern API Strategy: Champion and implement robust REST API design principles and best practices for the Marketplace and broader API ecosystem, ensuring secure, scalable, and performant integrations. Emerging Technologies: Maintain a keen awareness … commitment to work-life balance. If you are a visionary Solution Architect with a passion for API-driven marketplaces, deep expertise in GCP and REST APIs, and a desire to lead transformational #J-18808-Ljbffr ...

Software Engineer, D2C

Location
Greater London, England, United Kingdom
distributed systems and scalable solutions. Proficiency in a scripting languages (such as Python, Javascript/Typescript) and React. Experience with working with GraphQL and Rest APIs, SQL and/or NoSQL databases. Familiar with the software development lifecycle and best practices. Experience with microservices, APIs, and related standards such … REST and HTTP. Comfortable with AWS Cloud technologies and cloud-native data services. Experience writing unit and integration tests. Experience working in an agile team. What we give you: You join a vibrant global community with the opportunity to channel your passion every day A modern office environment designed ...

Senior Java Engineer

Hiring Organisation
Ncounter
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
deployed on OpenShift and Kubernetes Event-driven distributed systems using message brokers to connect services, data stores and processing pipelines Modern JavaScript applications and REST APIs that enable analysts to search, visualise and manage operational data Cross-domain solutions that move information securely between networks of different classifications Technology Java … Spring Boot, REST APIs Apache NiFi, distributed data processing, message brokers Kubernetes, OpenShift, cloud-native architecture JavaScript, web API integration and authentication GitLab, CI/CD, SecDevOps, observability Database technologies and distributed systems We're looking for Strong commercial Java development experience Experience building scalable microservices and distributed systems Spring ...

Senior Java Backend Engineer IRC299953

Location
Glasgow, Scotland, United Kingdom
Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production-grade integration testing — using modern Java and Spring technologies. Mobility: Comfortable working from … 17+ and Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns An integration ...

Full-Stack Next.Js Developer Nottingham

Hiring Organisation
Experis
Location
Nottinghamshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum
Next.js App Router, React and TypeScript Building dynamic forms and drag-and-drop workflow tools Designing and maintaining PostgreSQL/Supabase databases Creating secure REST APIs, integrations and authentication solutions Writing automated tests and contributing to code reviews Promoting accessibility, security and performance best practices Key Skills Around 4 years … commercial software development experience Strong React, TypeScript and Next.js experience Solid SQL/PostgreSQL knowledge Experience building and consuming REST APIs Understanding of authentication, authorisation and web security Familiarity with Git, code reviews and agile delivery Desirable Supabase and Row Level Security (RLS) Multi-tenant SaaS platforms Tailwind CSS, Storybook ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

Pega LSA (Lead System Architect)

Hiring Organisation
LA International Computer Consultants Ltd
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
closely with business stakeholders to understand strategic objectives and translate them into scalable technical solutions. * Design complex integrations with external systems using APIs, SOAP, REST, MQ, and database technologies. * Guide performance tuning, security implementation, and scalability planning. * Support project estimations, technical planning, and risk management. * Mentor CSSA/SSA developers … Pega Infinity Platform o Enterprise Application Architecture o Case Management and Workflow Automation o Pega Decisioning o Pega Customer Service o Integration Frameworks (REST, SOAP, MQ) o Performance Tuning and Security o DevOps and CI/CD Practices * Strong understanding of scalable and distributed systems architecture. * Experience leading large-scale ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
London, UK
Employment Type
Full-time
data models, schemas, and storage supporting current and future AI deploymentsTroubleshoot integration failures, data inconsistencies, and production issuesKey SkillsPython & SQL (production-grade pipeline development)REST APIs, webhooks, OAuth, event-driven architectureOrchestration tools: Airflow, Prefect, or DagsterCloud platforms: AWS, GCP, or AzureDocker & Kubernetes Microsoft 365 & Microsoft CopilotDesirable SkillsVector databases and embedding … 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 platforms ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
City of London, London, 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 ...

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 ...

AI Solutions Engineer | SC Cleared (Active/Lapsed) | Outside IR35 | Remote | £450 - 600pd

Hiring Organisation
WeDo Technology Solutions Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £600.00 per day
business requirements into practical technical solutions Build and enhance solutions across Power Apps, Power Automate, SharePoint and Microsoft 365 Develop integrations using Microsoft Graph, REST APIs and Azure services Work with stakeholders to identify where AI can add genuine business value – and where simpler automation approaches may be more appropriate … approaches including conversational agents, knowledge retrieval, document processing and autonomous workflows Experience integrating Microsoft 365 services and enterprise systems using Microsoft Graph and REST APIs Understanding of Entra ID, app registrations, permissions and authentication Good software development fundamentals, including Git, CI/CD and Agile/DevOps practices Strong stakeholder ...

AI Deployment Engineer

Location
Bristol, England, United Kingdom
models, schemas, and storage supporting current and future AI deployments Troubleshoot integration failures, data inconsistencies, and production issues 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 … 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

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker | REST APIs | Event-Driven Architecture | Streaming | Distributed Systems | Real-Time Data Processing The team is focused on building robust, scalable systems rather than simply following … Experience building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing scalable ...

Senior Software Engineer

Hiring Organisation
Method Resourcing
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Supporting infrastructure, deployment and continuous improvement The Technology You'll be working across a modern, cloud-native engineering environment including: Python | Java | GCP | Docker | REST APIs | Event-Driven Architecture | Streaming | Distributed Systems | Real-Time Data Processing The team is focused on building robust, scalable systems rather than simply following … Experience building backend or distributed systems Cloud experience: GCP preferred, although AWS or Azure is also valuable Experience with Docker and containerised applications Strong REST API development experience Experience with event-driven architectures or messaging Experience working with real-time data or high-throughput systems An understanding of designing scalable ...

SharePoint Dev Engineer

Hiring Organisation
Capgemini
Location
City of Bristol, United Kingdom
Employment Type
Full Time
unspent criminal record check (known as Disclosure and Barring Service) Your role Design and build SharePoint solutions using SPFx Develop using JavaScript, TypeScript, React, REST APIs, Microsoft Graph Integrate SharePoint with 3rd party systems (e.g. ServiceNow, CRM, HR systems, APIs) Build automations using Power Platform (Power Automate, Power Apps … external APIs Experience with SharePoint Server 2019/Subscription Edition Experience with SharePoint Online (M365) Strong troubleshooting skills at 3rd line level Experience with REST APIs, Microsoft Graph, and authentication (OAuth/Azure AD) Proven experience in SharePoint development and support roles, strong background in integration and migration projects ...

ServiceNow Senior Technical Consultant

Hiring Organisation
Sopra Steria
Location
United Kingdom
Employment Type
Permanent
Salary
GBP Annual
standards. Configure and develop solutions using ServiceNow best practices, leveraging out-of-the-box functionality wherever possible. Develop and support integrations using IntegrationHub, REST/SOAP APIs, MID Servers, and third-party platforms. Perform technical reviews, code reviews, and impact assessments to ensure quality and compliance. Troubleshoot complex platform issues … areas including ITSM, ITOM, ITAM, CSM, HRSD, SPM, SecOps, or IRM. Excellent knowledge of: JavaScript Glide API Flow Designer IntegrationHub Service Portal UI Builder REST/SOAP APIs Strong understanding of ServiceNow architecture, CSDM, integrations, governance, and upgrade-safe development practices. Experience working within enterprise, managed service, or multi-client ...