Permanent REST Job Vacancies

326 to 350 of 1,096 Permanent REST Jobs

Senior Automated QA

Belfast, United Kingdom
MCS Group
frameworks for web and API testing. Familiarity with tools like Cypress, Playwright, Appium, or similar. In terms of the tech, our client works with TypeScript, Angular 18, PHP (Symfony), REST APIs, Node.js (Lambda), MySQL (Aurora), AWS, Kubernetes, Docker, with Kotlin/Java and Swift for mobile. Experience across a combination of these technologies, or a demonstrated ability to pick up More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

.NET Developer

Belfast, United Kingdom
MCS Group
CI/CD pipelines , Git-based version control, and DevOps culture. Experience working in cloud platforms such as Azure (preferred), AWS, or GCP. Knowledge of web technologies, HTTP protocols, REST APIs, accessibility, and front-end integration. Exposure to Agile tools and processes (e.g. sprint planning, boards, retrospectives). Previous experience mentoring junior developers or leading small engineering teams. Salary Up More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps Engineer (Multiple levels) - Fully cleared with Security Clearance

Annapolis Junction, Maryland, United States
BlueHalo
Can collaborate with systems engineers, software engineers and testers through out the software development lifecycle (SDLC). AWS Professional/Specialty or Microsoft Azure Certification. Familiarity with PKI and REST services. Knowledge of ICAM Capabilities and integration. Experience with Ansible, Jenkins, GitLab, GitRunner to implement CI/CD pipelines. Experience with Docker and Kubernetes. Excellent oral and written communication skills More ❯
Employment Type: Permanent
Salary: USD 260,000 Annual
Posted:

9 Jul 2025 BBBH58910 .NET Developer £50000.00 - £60000.00 per annum Belfast

Belfast, United Kingdom
MCS Group
CI/CD pipelines , Git-based version control, and DevOps culture. Experience working in cloud platforms such as Azure (preferred), AWS, or GCP. Knowledge of web technologies, HTTP protocols, REST APIs, accessibility, and front-end integration. Exposure to Agile tools and processes (e.g. sprint planning, boards, retrospectives). Previous experience mentoring junior developers or leading small engineering teams. Salary Up More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Software Developer

United Kingdom
Hybrid / WFH Options
Aptean
problem-solving, and teamwork skills. Willingness to learn and improve continuously. Bachelor's degree in Computer Science or related field (or equivalent experience) is nice to have. Familiarity with REST/SOAP APIs, testing tools, and reporting tools (e.g., Crystal Reports) is nice to have. What's in it for you? Opportunity to grow within a global software company, which More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer with Security Clearance

Colorado Springs, Colorado, United States
Experis
Mid Java Developer Location: Colorado Springs, CO Pay Range: $55-$60/hr W-2 What's the Job? • Develop and implement software solutions using Java and Spring-based REST APIs. • Collaborate with team members to build web and backend applications/services for credentialing and case management systems. • Utilize AngularJS, HTML, CSS, JavaScript, and Bootstrap in application development. • Participate More ❯
Employment Type: Permanent
Salary: USD 60 Hourly
Posted:

Senior Full Stack Engineer

Cardiff, South Glamorgan, United Kingdom
Admiral Group Plc
Main Duties Lead development of modern front-end web apps using React and TypeScript Build and maintain backend services using Python and Django Design and iterate on clean, scalable REST APIs Contribute to and evolve UI/UX standards, ensuring accessibility, responsiveness, and delight Work with Terraform and AWS to support deployment and infrastructure as code Write, deploy, and support More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Developer

United Kingdom
Valcon A/S
DTOs and model binding Security API authentication and authorization best practices Knowledge of OAuth2, JWT, OpenID Connect Secure coding practices for exposed endpoints Integration & Communication Consuming third-party APIs (REST/SOAP) Async/await, tasks, and non-blocking design Database Integration Hands-on with Entity Framework Core or similar ORM Confident writing SQL and working with SQL Server Testing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cloud Engineer / SRE - Go & Github

London, United Kingdom
Square One Resources
Python or Java. API Interaction: Experience designing, consuming, and interacting with APIs. GitHub Ecosystem: Solid understanding of GitHub Enterprise features, best practices, and strong practical experience with: GitHub APIs (REST and GraphQL) GitHub Apps (building, deploying, managing) GitHub Actions (designing complex workflows, custom actions) GitHub Enterprise, Organization and Repository settings. Operations/Infrastructure Background: Proven experience in an operations, site More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Software Developer

Chesterfield, Derbyshire, United Kingdom
Hybrid / WFH Options
Aptean
problem-solving, and teamwork skills. Willingness to learn and improve continuously. Bachelor's degree in Computer Science or related field (or equivalent experience) is nice to have. Familiarity with REST/SOAP APIs, testing tools, and reporting tools (e.g., Crystal Reports) is nice to have. What's in it for you? Opportunity to grow within a global software company, which More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer, Platform (C#)

England, United Kingdom
Hybrid / WFH Options
Oak Engage
re Looking For 3+ years of back-end development experience using C# and .NET Core/.NET 6+ Strong knowledge of SQL and/or NoSQL databases Experience building REST APIs and microservices Solid understanding of software design principles, scalability, and performance Familiarity with CI/CD, Docker, "Familiarity with CI/CD pipelines, Docker and cloud infrastructure - Azure is More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer

London, United Kingdom, Vauxhall
Citywire
Containerisation: Comfortable building and deploying containerised applications using Docker, ideally in ECS Fargate or similar. -APIs & Microservices: Hands-on experience building and integrating with RESTful APIs using FastAPI, Django REST Framework, or similar. -Data Workflows: Experience designing and maintaining real-time and batch data pipelines, including dbt Core and stream processing tools. -Infrastructure Know-How: Confident working with Terraform and More ❯
Employment Type: Permanent
Posted:

Lead Java Engineer

London, South East, England, United Kingdom
Holland & Barrett International Limited
security, compliance, and performance in everything you build Key requirements: Fluent in Java (11+) and the Spring Framework specifically SpringBoot or similar (Quarkus, Micronaut) Strong understanding of HTTP and REST as an architectural style to build APIs. Fluent with asynchronous programming techniques and frameworks (in Java). Fluent in SQL and experience with RDBMS like Postgres and Oracle. Experience with More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Software Engineer (iOS) (London)

Sundridge, Greater London, UK
Hybrid / WFH Options
Compare the Market
related SDKs Experience in clean architectures (MVVM-C) Exposure to Continuous Integration systems Experience in writing Unit Tests (XCTest) Experience of multi-threading and dependency injection. Experience working with REST APIs and offline caching Exposure to databases (Realm/CoreData) An advocate of clean coding practices Our people bring our purpose to life. We champion a culture of innovation and More ❯
Employment Type: Full-time
Posted:

Systems Engineer / Architect with Security Clearance

Maryland, United States
RMantra Solutions Inc
SDP, etc.), and developing software interface documents (IDDs/ICDs). Experience working with the Linux operating system, and related operating system commands. Familiarity with web services APIs, including REST Experience identifying and tracking related project task dependencies, risks & possible mitigations. Experience estimating level of effort (hrs./days/resources) to create a project plan and schedule. Experience working More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Engineer

London, United Kingdom
Fonoa Technologies ltd
status quo Own what you build, with the ability to decide how to make it and the responsibility of operating it in the production environment. Build meaningful products with REST APIs that our customers use and depend on for everyday business (finance, operation, tax and developer teams) Build new product features across the stack, from back-end business logic implementation More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Dell Boomi Integration Lead (SAP SuccessFactors) - London, UK

London, United Kingdom
Infosys Limited
as Employee Central, Recruiting, Learning, and Performance modules. • Proficiency in using Dell Boomi for data mapping, transformations, and process automation. • Hands-on experience with Boomi connectors (e.g., SAP SuccessFactors, REST, SOAP, database, etc.). • In-depth understanding of integration concepts, EAI, middleware, and cloud architectures. • Familiarity with HR processes and data management in SAP SuccessFactors. • Strong programming skills in JavaScript More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Test Analyst

Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Greggs Plc
including BDD with Cucumber, end-to-end automation using Playwright, CI/CD integration (Azure DevOps, Jenkins, GitHub Actions), and basic performance testing with JMeter. Proficient in API testing (REST/SOAP) with tools like Postman and SoapUI, strong grasp of HTTP protocols, authentication (OAuth, API keys), and skilled in validating JSON/XML payloads, headers, and response times. Experienced More ❯
Employment Type: Permanent
Salary: £40,000
Posted:

Lead Software Architect Offshore Renewable Energy Catapult

United Kingdom
Hybrid / WFH Options
Offshore Renewable Energy Catapult
Apps, Power Automate, Power BI, Power Query, etc.) Expertise in .NET technologies and languages (VB.NET, C#, ASP.NET, MVC) Strong grasp of web standards and technologies (HTML, CSS, JavaScript, JQuery, REST API, GraphQL) Practical understanding of software design patterns and architectural principles Experience with cloud-hosted infrastructure, especially Azure and AWS (e.g., Azure Functions, EC2) Advanced skills in relational databases, especially More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Frontend Engineer

London, South East, England, United Kingdom
Holland & Barrett International Limited
of every development cycle Key requirements: Essential Skills: Proficient in modern JavaScript , including React and/or React Native Strong knowledge of TypeScript Solid experience with Node.js Familiarity with REST and GraphQL APIs Strong understanding of responsive design and modern CSS techniques Experience writing unit and component tests using Jest , React Testing Library , or similar Familiar with Storybook and writing More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

DevOps Engineer

England, United Kingdom
One Utility Bill
full-stack engineers and 3 UI/UX designers. We have a variety of projects, from internal operational systems for employees, external web applications for our customers and public REST APIs used by other companies. The majority of our systems are built on Linux, Nginx, PHP, VueJS, MariaDB & Redis. Our company and customer base is growing rapidly each year, requiring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

System Engineer 3 with Security Clearance

Southern Md Facility, Maryland, United States
Torin Consulting, Inc
and plans in accordance with AdmitIT mandates. The candidate should understand and work with technologies like JAVA, Kubernetes, SpringBoot, Docker, AWS, ElasticSearch, GITLab CI/CD, micro services architecture, REST, Oracle/MySQL, MongoDB, PostgreSQL, JSON, XML, Linux, Node.js, PKI/TLS/SSL certificates. Other duties include researching and analyzing cloud security environments, assisting with Risk Management Framework and More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Microsoft SharePoint Administrator & Developer with Power BI Exp with Security Clearance

Southern Md Facility, Maryland, United States
Torin Consulting, Inc
Automate, Power Apps, Power BI). Proficiency in Power BI, including data modeling, DAX, Power Query, and visualization best practices. Experience with SharePoint Framework (SPFx), JavaScript, TypeScript, React, and REST APIs. Strong knowledge of Microsoft 365 services, including Teams, OneDrive, and Exchange integration. Familiarity with SQL Server, Azure, and API integration for data retrieval and reporting. Experience with SharePoint security More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Principal Software Engineer - £Excellent

London, United Kingdom
Red Badger Consulting Limited
trade-offs (e.g. pipelines-as-code, monorepos, GitOps, branching and release strategies, etc.) Experience in designing system-level architecture and navigating trade-offs in web based systems (e.g. Microservices, REST APIs, CQRS) An understanding of information security including common attack vectors, awareness of relevant regulation and restrictions (e.g. PCI, GDPR ) Experience in design and testing strategies to enable gradual evolution More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Platform Engineer

London, United Kingdom
Magentic
Go, or Java with clean code principles, test coverage, and performance awareness. Service Architecture : experience building and operating high-availability, distributed systems (microservices and event-driven). API Design : REST and gRPC, with versioning, throttling, auth, and schema validation (OpenAPI, Pydantic, Protobuf). Datastores : deep knowledge of RDBMS (PostgreSQL/MySQL), NoSQL (DynamoDB, Redis, Cassandra), and storage optimization techniques. Asynchronous More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
REST
10th Percentile
£43,750
25th Percentile
£51,250
Median
£70,000
75th Percentile
£83,750
90th Percentile
£100,000