526 to 550 of 585 REST Jobs in the UK

Senior Java Developer AWS Cloud Backend

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
cloud-native architectures, contributing to both feature delivery and long-term system design. Key Responsibilities Develop backend services using Java and AWS Build scalable REST APIs and microservices Design and optimise PostgreSQL databases Implement secure OAuth-based authentication frameworks Develop serverless components using AWS Lambda Manage compute infrastructure using … architecture discussions, code reviews and Agile ceremonies Required Experience Strong Java backend development experience Hands-on experience with AWS cloud services Experience building REST APIs or microservices Strong database experience with PostgreSQL or similar Experience implementing secure authentication systems Familiarity with Infrastructure-as-Code tools (Terraform or similar) Desirable Experience ...

OutSystems Developer

Hiring Organisation
Avance Consulting
Location
London Area, United Kingdom
logic, integrations, and reusable UI patterns and modules. • Implement role-based access, security configurations, and performance optimisations. Integration & API Management • Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). • Build and maintain integrations ensuring reliability and security. • Design asynchronous flows, event-driven architectures, and external data connectors. … experience in OutSystems development (Traditional or Reactive Web/Mobile). • Strong understanding of low-code application architecture and lifecycle. • Experience with integrations (REST, SOAP, OAuth, SQL, message queues). • Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). • Knowledge of application security, performance tuning, and scalable ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
experience in OutSystems development (Traditional or Reactive Web/Mobile). Strong understanding of low-code application architecture and lifecycle. Experience with integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable … integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability and security. Design asynchronous flows, event-driven architectures, and external data connectors. ...

Senior Sharepoint Developer

Hiring Organisation
Ryder Reid Legal
Location
London Area, United Kingdom
Online, including rewriting legacy web parts using SPFx. Build custom SPFx web parts, extensions and integrations using TypeScript, JavaScript, React, HTML/CSS, and REST APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and thirdparty platforms using RESTful … development and administration. Strong background migrating SharePoint 2016 to SE/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint onprem administration, performance tuning, patching and troubleshooting. Experience with ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Online, including rewriting legacy web parts using SPFx. Build custom SPFx web parts, extensions and integrations using TypeScript, JavaScript, React, HTML/CSS, and REST APIs. Develop and maintain SharePoint Online intranet structures including architecture, navigation, branding, and content design. Integrate SharePoint with internal systems and third-party platforms using … development and administration. Strong background migrating SharePoint 2016 to SE/Online. Proven SPFx development skills. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience ...

Intelligent Automation Engineer

Hiring Organisation
Rathbones Group Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Platform delivery ImplementPower Automate(cloud/desktop) flows andPower Appswhere appropriate; create reusable connectors/components; apply DLP policies. Systems integration Integrate with APIs (REST/JSON), SharePoint/Teams/Outlook, CRM, data platforms and event triggers; handle identity, permissions and audit. Quality, reliability & support Write testable solutions, instrument … Outlook; Graph APIs/connectors; permissions & governance. Power PlatformPower Automate(cloud/desktop),Power Apps(canvas/model-driven desirable), DLP, custom connectors. Integration REST/JSON, webhooks, OAuth/Entra ID, basicSQL; event-driven patterns; error/exception strategies. Dev fundamentals Git/Azure DevOps, CI/CD, environment ...

AVP Investment Banking Java Full Stack Engineer (Angular/React) - Spring Boot, REST, ELK - PERMANENT

Hiring Organisation
Scope AT Limited
Location
Birmingham, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Investment Banking Java Full Stack Engineer (Angular/React) - Spring Boot, REST, ELK - PERMANENT Our Investment Banking client is looking for a permanent Java Full Stack Engineer (AVP level) Skills Excellent knowledge, understanding and active hands-on coding ability of Java (Spring Boot, REST APIs) and various automation testing approaches ...

Development Team Lead

Hiring Organisation
CDH Professionals
Location
Cirencester, England, United Kingdom
hands‐on development experience across multiple platforms, including: Salesforce (Apex, Lightning Web Components, SOQL) NetSuite (SuiteScript 2.x, SuiteTalk, SuiteFlow) ITSM platforms (.NET/C#, REST APIs, PowerShell) Solid integration experience with REST/SOAP APIs and middleware platforms Good working knowledge of JavaScript, SQL, Git, CI/CD, and DevOps ...

Frontend Software Engineer

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £685 per day
with cross-functional teams Help unify multiple internal tools into a single platform Challenge and improve existing processes and workflows Work with APIs (GraphQL & REST) to integrate backend services Skills & Experience: Essential: Strong frontend expertise with React & TypeScript Experience with GraphQL and REST APIs Background working in product-focused environments ...

Integration Automation Tester

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
Years Job Location: Reading/Leeds, UK Job Summary: The Integration Automation Tester will lead testing initiatives, focusing on API automation using REST and SOAP protocols. The role requires strong proficiency in Java and Oracle, with experience in middleware testing, including WebLogic deployment, data source validation, and JMS validation. … tester will be responsible for both functional and non-functional testing aspects. Key Responsibilities: Lead and manage API automation testing projects using POSTMAN and Rest Assured Framework. Develop and maintain Java-based test scripts for comprehensive automation coverage. Conduct middleware testing, ensuring robust deployment and validation processes. Perform functional ...

Senior ABAB/UI5 Developer

Hiring Organisation
Infosec
Location
Bracknell, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
user exits and enhancements Perform dialog programming and report writing with ALV and ABAP lists Implement complex integrations via OData services and REST APIs Contribute to SAP UI5 development including controls, data binding, ODataModel, and JSONModel Develop unit tests using ABAP Unit ensuring high-quality software delivery Participate actively … Agile methodologies In-depth knowledge of SQL and ABAP Strong experience in SAP UI5 development Proven experience in implementing integrations via OData services and REST APIs Familiarity with development of unit tests using ABAP Unit Strong team collaboration skills and a proactive approach to problem-solving Desirable Skills: Experience ...

Senior ABAP/UI5 Developer

Hiring Organisation
Infosec
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£85,000
user exits and enhancements Perform dialog programming and report writing with ALV and ABAP lists Implement complex integrations via OData services and REST APIs Contribute to SAP UI5 development including controls, data binding, ODataModel, and JSONModel Develop unit tests using ABAP Unit ensuring high-quality software delivery Participate actively … Agile methodologies In-depth knowledge of SQL and ABAP Strong experience in SAP UI5 development Proven experience in implementing integrations via OData services and REST APIs Familiarity with development of unit tests using ABAP Unit Strong team collaboration skills and a proactive approach to problem-solving Desirable Skills: Experience ...

Full Stack Developer (FinTech/ Insurance)

Hiring Organisation
Ernest Gordon Recruitment
Location
Basildon, Essex, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
your progression into a senior role. The Role: Develop and maintain web apps using C#, ASP.NET, MVC, and .NET Core Build and support secure REST APIs following best practices Collaborate with designers to ensure technical and visual alignment Write secure code compliant with OWASP standards The Person: Degree in Computer … Full Stack Web Developer, Front End, Back End, C#, ASP.NET/Core, MVC, JavaScript, HTML, CSS, JSON, Bootstrap, UI frameworks, Vue.js, AngularJS, React, Knockout, REST APIs, IIS, SEO, web security, OWASP threats, Wickford, Southend-on-Sea, Basildon If you're interested in this role, click 'apply now' to forward ...

Automation Engineer Storage & Platform (Python / CI/CD / APIs)

Hiring Organisation
Essential Consulting
Location
South East London, London, United Kingdom
Employment Type
Contract
quality Python code (modular, testable, maintainable) Building and owning CI/CD pipelines for automation tooling (build, test, deploy) Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) Automating end-to-end processes such as: provisioning migrations compliance and remediation workflows Contributing to Infrastructure-as-Code … Proven experience building and owning CI/CD pipelines (tooling flexible Jenkins, GitLab, Azure DevOps, etc.) Hands-on experience with API integration and automation (REST, authentication, retries, logging, idempotent design) Demonstrated automation mindset (building reusable tools/platforms, not one-off scripts) Solid software engineering practices (version control, code reviews ...

ServiceNow Administrator

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Permanent
client scripts, UI policies, and dashboards. Implement enhancements aligned with business requirements and best practices. Integration & Automation Support integrations with third-party systems using REST/SOAP APIs. Automate workflows and processes using Flow Designer and scripting. Assist in implementing ServiceNow modules like CMDB, ITOM, or HRSD (as applicable). … Change, Problem, Request). Good knowledge of ServiceNow architecture, data model, and platform capabilities. Experience with scripting (JavaScript, Glide API). Familiarity with integrations (REST/SOAP) and automation tools. Understanding of CMDB concepts and data relationships. Experience working in Agile/ITIL environments. Preferred Skills ServiceNow Certified System Administrator ...

Staff Engineer

Hiring Organisation
Xapien
Location
London Area, United Kingdom
microservices, with Temporal workflows and MongoDB running on Kubernetes in GCP. You'll work with modern patterns including event-driven architectures, gRPC and REST APIs, and comprehensive observability with Grafana Cloud. We're an AI-native engineering team. We use Claude Code daily and we're investing heavily … authorization patterns, security, and multi-tenancy Experience with protobuf and gRPC Our Tech Stack Languages: Go Databases: MongoDB Messaging & Orchestration: Temporal, Kafka APIs: REST, gRPC, protobuf Infrastructure: Kubernetes, GCP Observability: Grafana stack AI/ML: LLMs (OpenAI, Gemini), RAG systems Development Tools: Claude Code, AI-assisted development workflows What Success ...

Guidewire Integration Lead - £800/day inside - 9 months

Hiring Organisation
Hawksworth
Location
London Area, United Kingdom
guide developers while ensuring high‐quality delivery. Another part of the role will be to build integrations using Integration Gateway, App Events, Cloud APIs, REST APIs, and event-based/batch processing, allowing you to implement outbound REST integrations, including generating REST clients, configuring error handling, and ensuring fault tolerance … observability. Experience : 5–10+ years of Guidewire Integration development experience Proven experience leading integration teams (PolicyCenter, BillingCenter, ClaimCenter). Java, Gosu; REST/SOAP Web Services; XML, JSON Integration Gateway, Cloud API, Batch/Async processing Agile/Scrum delivery environments and using JIRA. Desirable, but not essential.. Guidewire ...

C# Developer / .NET Developer

Hiring Organisation
Circle Group
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
designing and building modern, scalable microservices using the latest .NET stack, working across a mix of: gRPC services (high-performance internal comms) REST APIs (external integrations) GraphQL middleware (flexible data access layer) There's a strong focus on clean architecture and good engineering practices, so you'll be working with … just coding, but building things properly. What you'll be doing Designing and developing microservices with .NET/ASP.NET Core Building APIs using gRPC, REST and GraphQL Contributing to system design and technical decisions Working with SQL Server/MySQL via EF Core Implementing secure, scalable, and resilient services Collaborating ...

eDV-cleared Technical Consultants - Automation, Catalogue Migration

Hiring Organisation
PS Computer Services Ltd t/a Parker Shaw
Location
London, United Kingdom
Employment Type
Contract
decision modelling. Proficiency in scripting languages such as JavaScript, Python, PowerShell, Groovy, and Bash. Experience with orchestration languages such as YAML. Familiarity with REST APIs, web services, and integrating automation with third-party tools. Experience working with cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (IaC) tools. Desirable Qualifications … ITIL V3/4 foundation. What You Need To Succeed - Catalogue Migration Consultant Familiarity with REST APIs, web services, and integrating automation with third-party tools. Proficiency in any scripting languages. Experience in ITSM tools. If you feel you have the skills and experience needed for this role; please ...

eDV-cleared Technical Consultants - Automation, Catalogue Migration

Hiring Organisation
PS Computer Services Ltd t/a Parker Shaw
Location
Slough, Berkshire, UK
Employment Type
Full-time
decision modelling. Proficiency in scripting languages such as JavaScript, Python, PowerShell, Groovy, and Bash. Experience with orchestration languages such as YAML. Familiarity with REST APIs, web services, and integrating automation with third-party tools. Experience working with cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (IaC) tools. Desirable Qualifications … ITIL V3/4 foundation. What You Need To Succeed - Catalogue Migration Consultant Familiarity with REST APIs, web services, and integrating automation with third-party tools. Proficiency in any scripting languages. Experience in ITSM tools. If you feel you have the skills and experience needed for this role; please ...

eDV-cleared Technical Consultants - Automation, Catalogue Migration

Hiring Organisation
PS Computer Services Ltd t/a Parker Shaw
Location
Slough, Berkshire, UK
decision modelling. Proficiency in scripting languages such as JavaScript, Python, PowerShell, Groovy, and Bash. Experience with orchestration languages such as YAML. Familiarity with REST APIs, web services, and integrating automation with third-party tools. Experience working with cloud platforms (AWS, Azure, GCP) and infrastructure-as-code (IaC) tools. Desirable Qualifications … ITIL V3/4 foundation. What You Need To Succeed - Catalogue Migration Consultant Familiarity with REST APIs, web services, and integrating automation with third-party tools. Proficiency in any scripting languages. Experience in ITSM tools. Apply below after reading through all the details and supporting information regarding this job opportunity. ...

Senior Android Developer Kotlin / Mobile Applications

Hiring Organisation
Intelligent Talent Solutions Ltd
Location
Bracknell, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
maintain Android applications using Kotlin and Java Build scalable architectures using MVVM or Clean Architecture Integrate Google Fit/Android Health APIs Implement robust REST API integrations Develop data workflows supporting mobile, device and cloud interactions Implement unit testing and automated UI testing frameworks Contribute to code reviews and architecture … discussions Work within an Agile development environment Required Experience Strong Android development experience Expertise in Kotlin and Android Studio Experience integrating REST APIs Strong understanding of Android architecture patterns (MVVM/Clean Architecture) Experience building modern mobile applications Desirable Experience Experience integrating Google Fit, Health Connect or similar health APIs ...

Site Reliability Engineer

Hiring Organisation
HCLTech
Location
Burgess Hill, UK
ITSM process and hands-on with automation scripting and cloud technologies. Good to have proficiency with: Programming - Java, vert x, Python, Shell Scripting, GO, REST SRE - Kubernetes, Splunk/ELF, Openshift, CI/CD DB Postgres/Couchbase/Oracle Technical Skill Managing production support for mission-critical platforms Implementing … pipelines for cloud-native apps Monitoring and alerting using Splunk or ELF Querying and tuning using Postgres or Oracle databases Developing and debugging REST APIs for platform integration Supporting Java and Vert.x based microservices in production Managing Couchbase clusters and optimizing performance Monitoring and resolving issues in Postgres/Oracle ...

C# / .Net Software Engineer (Freelance / contractor)

Hiring Organisation
Qim info
Location
London Area, United Kingdom
layer connecting multiple internal and external systems within a complex energy trading environment. 💼 Required technical skills: API & Integration Architecture: Strong expertise in API integration, REST API design and exposure, interface-driven architectures, integration-heavy environments, abstraction layers, system decoupling Backend Development: .NET Core, C#, API services, integration services Architeture & Platforms … profile: 🔹 Experience in Trading/Finance/Energy environments 🔹 Senior API/Integration expert with a strong architectural mindset, 🔹 Solid experience designing and implementing REST and legacy integrations, 🔹 Strong background in .NET Core and Microsoft Stack 🔹 Structured, rigorous 🔹 Excellent communication skills with technical stakeholders, 🔹 Comfortable working mainly with technical teams ...

Senior Sharepoint Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
Lead migration of SharePoint 2016 on-premise solutions to SE and Online Build SPFx web parts, extensions, and integrations using TypeScript, JavaScript, React, and REST APIs Manage updates, patches, and service packs to ensure stability, security, and compliance Administer service and web applications, site collections, permissions, authentication, and governance Provide … SharePoint 2016 on-premise Strong expertise in SPFx development and modern front-end technologies (TypeScript, JavaScript, React, HTML5, CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity ...