126 to 150 of 329 REST Jobs in London

will have: A Bachelor's degree in computer science, Information Technology, or a related field Mid to senior level experienced developer Experience with APIs and using patterns such as REST and GraphQL Experience with testing frameworks and methodologies, ensuring the delivery of high-quality software Strong problem-solving skills and attention to detail Excellent communication and collaboration skills Desirable(but More ❯

Integration systems Experience in writing Unit Tests (Junit) and UI tests (Roboelectric) Experience of multi-threading and working with frameworks like Kotlin Coroutines, RxJava and RxKotlin Experience working with REST APIs and offline caching Exposure to databases (Googles Room Library) An advocate of clean coding practice Additional knowledge of Swift is beneficial Our people bring our purpose to life. We More ❯

things here at Starling, to continue changing banking for good. Responsibilities: Understand, build and develop batch/file based data data pipelines in AWS and GCP, using file transfers, REST APIs etc Build tools to monitor, report and control data pipelines Identify, design, and implement internal process improvements: automating manual processes, optimising data delivery, etc. Work with cloud-based infrastructure More ❯

high-availability applications. Design and implement robust access control models using OAuth, OpenID Connect (OIDC), SAML 2.0, and other protocols. Build and maintain high-quality enterprise software using TypeScript, REST APIs, and JSON. About You: 3+ years of experience with IAM architectures and implementing cloud computing solutions (AWS preferred). Strong knowledge of security architecture, LDAP, Active Directory, SAML, SSO More ❯

Desired requirements for the role are: Previous experience working in a technical support, development, or automation role Some basic knowledge of programming languages (e.g., JavaScript, Python, etc.) Familiarity with REST APIs and their integration with other tools and platforms An understanding of web application testing methodologies and frameworks An awareness of emerging AI-driven platforms like Copilot Studio, Power Apps More ❯

that help connect and streamline critical services, supporting digital transformation in the public sector. What you'll be doing: Designing and developing integration's using Azure Logic Apps and REST APIs. Building API-driven workflows and automation solutions across cloud and on-premise systems. Working with SQL Server (T-SQL, SSIS, stored procedures) for data transformation and reporting. Leveraging Azure … to gather requirements and deliver reliable integration solutions. Essential Skills & Experience: Strong experience with Azure Logic Apps - designing, deploying, and managing workflows. Proven track record of building and consuming REST APIs. Solid development background in C# and .NET Framework/Core. SQL Server development skills (T-SQL, SSIS, SSRS). Experience with Azure services and authentication (e.g., Azure AD, Microsoft More ❯

Node.js Software Developer - Healthcare Startup - London (Tech Stack: JavaScript, Vue.js, React, Node.js, NestJS, REST APIs, Git, Agile Methodologies) Company Overview:Join a mission-driven healthcare startup that's transforming patient care through cutting-edge digital solutions. We are seeking a talented Software Developer who thrives in dynamic startup environments and wants to build technology that genuinely impacts lives. If you … JavaScript, Vue.js, React, and Node.js.Familiarity with backend frameworks such as Express or NestJS (desirable).Experience working in or strong enthusiasm for startup environments.Solid understanding of modern development practices, including REST APIs, Git, and agile workflows.Excellent communication and problem-solving skills.Right to work in the UK. Benefits: Hybrid working model - 3 days per week in our central London office.Opportunity to make More ❯

Node.js Software Developer – Healthcare Startup – London (Tech Stack: JavaScript, Vue.js, React, Node.js, NestJS, REST APIs, Git, Agile Methodologies) Company Overview: Join a mission-driven healthcare startup that’s transforming patient care through cutting-edge digital solutions. We are seeking a talented Software Developer who thrives in dynamic startup environments and wants to build technology that genuinely impacts lives. If you … and Node.js. Familiarity with backend frameworks such as Express or NestJS (desirable). Experience working in or strong enthusiasm for startup environments. Solid understanding of modern development practices, including REST APIs, Git, and agile workflows. Excellent communication and problem-solving skills. Right to work in the UK. Benefits: Hybrid working model – 3 days per week in our central London office. More ❯

Node.js Software Developer – Healthcare Startup – London (Tech Stack: JavaScript, Vue.js, React, Node.js, NestJS, REST APIs, Git, Agile Methodologies) Company Overview: Join a mission-driven healthcare startup that’s transforming patient care through cutting-edge digital solutions. We are seeking a talented Software Developer who thrives in dynamic startup environments and wants to build technology that genuinely impacts lives. If you … and Node.js. Familiarity with backend frameworks such as Express or NestJS (desirable). Experience working in or strong enthusiasm for startup environments. Solid understanding of modern development practices, including REST APIs, Git, and agile workflows. Excellent communication and problem-solving skills. Right to work in the UK. Benefits: Hybrid working model – 3 days per week in our central London office. More ❯

you. Key Responsibilities: Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real … backend experience with C# (.NET Core) in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in Blazor More ❯

you. Key Responsibilities: Communicate clearly, seek clarification when needed. Navigate ambiguity and working with minimal supervision. Develop and maintain backend services using C# and .NET Core. Design and test REST APIs with JWT-based authentication (OAuth is desirable for the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real … backend experience with C# (.NET Core) in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in Blazor More ❯

environment that values technical excellence. While we don't require expertise in every tool or technology, a strong grasp of fundamental concepts is essential. Our tech stack: - C#, .NET - REST APIs, Hangfire, MediatR, Entity Framework, Blazor - Azure: App Services, Functions, SQL Server, Service Bus, Event Hub, CosmosDB, Redis, Data Factory - GitHub, Azure DevOps, Terraform, Datadog What You'll Do Hands … multiple challenging projects to agreed timeframes. Ability to be agile and react quickly to changing priorities. Experience designing and architecting scalable solutions. Strong understanding of: - .NET (Core/framework) - REST APIs - OO programming languages (we use C#) - Relational databases, ACID transactions Strong analytical and problem solving skills. Ability to communicate complex design ideas to the wider engineering group Able to More ❯

development experience. Proven experience building and maintaining browser extensions. Strong understanding of SCRUM, with experience running agile workflows. Familiar with secure communication principles and cryptographic concepts. Confident working with REST APIs, Gmail integrations, and secure data formats. Any interest in cryptographic or blockchain technology is a bonus. Join a fast-moving team developing secure tools that put user privacy first. More ❯

development experience. Proven experience building and maintaining browser extensions. Strong understanding of SCRUM, with experience running agile workflows. Familiar with secure communication principles and cryptographic concepts. Confident working with REST APIs, Gmail integrations, and secure data formats. Any interest in cryptographic or blockchain technology is a bonus. Join a fast-moving team developing secure tools that put user privacy first. More ❯

application performance. Develop testing strategies. Mentor colleagues in front-end technologies. Collaborate for accurate project estimations. Senior Front End Engineer Requirements: JavaScript, React/React Native, Python (Django, Django REST framework, pandas) Docker, Postgresql, Airflow, Redis, Kafka CircleCI & Terraform AWS services (RDS, Elasticache, EC2, ECS, Fargate, Lambda, Batch, etc.) JIRA, Sentry, Mixpanel Jest, react-testing-library, Cypress Leadership/mentoring More ❯

with cross-functional teams to design scalable technical solutions Work closely with stakeholders to translate business needs into functional technical requirements Integrate Salesforce with internal and external systems via REST/SOAP APIs Support ongoing Salesforce configuration and optimisation efforts Requirements: 3+ years of experience as a Salesforce Developer Strong knowledge of Apex , SOQL , Lightning Components Experience with Salesforce integrations More ❯

with cross-functional teams to design scalable technical solutions Work closely with stakeholders to translate business needs into functional technical requirements Integrate Salesforce with internal and external systems via REST/SOAP APIs Support ongoing Salesforce configuration and optimisation efforts Requirements: 3+ years of experience as a Salesforce Developer Strong knowledge of Apex , SOQL , Lightning Components Experience with Salesforce integrations More ❯

Experience in Unix - Experience scripting in modern program languages PREFERRED QUALIFICATIONS - Knowledge of web services, distributed systems, and web application development - Experience troubleshooting & maintaining hardware & software RAID - Experience with REST web services, XML, JSON Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during More ❯

AI). Collaborate with internal DevOps, Security and Platform teams. What You ll Need: Strong coding skills in Go, Python or Java. Deep experience with GitHub Enterprise, GitHub APIs (REST & GraphQL), Actions, and Apps. Background in Ops, Infrastructure or SRE roles with a focus on automation. Familiarity with modern SDLC practices, security tooling, version control and testing frameworks. Experience using More ❯

AI). Collaborate with internal DevOps, Security and Platform teams. What You’ll Need: Strong coding skills in Go, Python or Java. Deep experience with GitHub Enterprise, GitHub APIs (REST & GraphQL), Actions, and Apps. Background in Ops, Infrastructure or SRE roles with a focus on automation. Familiarity with modern SDLC practices, security tooling, version control and testing frameworks. Experience using More ❯

and supporting production Power Apps & Dataverse solutions Hands-on integration with Integra (finance), Axiom (budget management), Northgate/Zellis (HR and payroll) or similar finance/HR systems via REST or OData APIs Proficient in Power Fx, JavaScript/TypeScript, .NET C#, T-SQL, DAX and JSON Experience with Azure Functions, Logic Apps, Service Bus, API Management and DevOps pipelines More ❯

Actively engage with the engineering community, contributing to knowledge-sharing initiatives and events. Share your expertise to motivate and mentor your team. Required Skills: Proven experience designing and building REST APIs (ideally with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding More ❯

to see the tangible results of your efforts. The everyday hustle: Innovate and develop creative solutions using cutting-edge technologies to continuously enhance our GreyMatter platform. Design and implement REST and GraphQL APIs to securely streamline and automate our customers' security operations. Oversee the continuous integration and deployment of complex technologies. Automate and optimize all stages of the software development More ❯

Exposure to Continuous Integration systems • Experience writing Unit Tests (JUnit) and UI tests (Roboelectric) • Experience with multi-threading and frameworks like Kotlin Coroutines, RxJava, and RxKotlin • Experience working with REST APIs and offline caching • Knowledge of databases (Google's Room Library) • Advocates of clean coding practices • Additional knowledge of Swift is beneficial Our people bring our purpose to life. We More ❯

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 ❯