1 to 25 of 50 REST Jobs in the City of London

highest standards for availability and performance. Required Skills and Experience Needed Programming Languages Java 17 or higher Frameworks and Libraries Spring Boot Spring Web (REST APIs) Spring Data Spring Security with JWT/OAuth2 Architecture & System Design Deep experience designing and operating microservice‐based architectures Strong application of clean code ...

using modern testing frameworks such as Jest, React Testing Library, Cypress, or similar to ensure code quality and reliability. Good understanding of REST APIs, Git, and modern development practices Strong problem-solving skills and attention to detail Ability to work independently and collaboratively in a team environment A degree ...

Experience integrating blockchain with web apps (wallets, APIs, indexing services). Strong understanding of security, scalability, and distributed systems. Technical Competencies TypeScript/JavaScript, REST/GraphQL APIs CI/CD pipelines and DevOps tooling Cloud security, identity, and access management Blockchain tooling (Hardhat, Foundry, Web3.js/Ethers.js or similar ...

Circa 10+ years’ software development experience, ideally with recent team‐lead responsibilities Strong full‐stack expertise: Angular 16+, C#, .NET 8+, Typescript, SQL Server, REST APIs (Focus on UI Development of modern web apps) Experience with NHibernate/Entity Framework, Git, Jira, Confluence Ability to navigate complex multi‐system environments ...

knowledge of software testing lifecycle (STLC). Strong analytical and problem-solving skills. Preferred Skills: Experience in Banking or Financial Services domain. Knowledge of REST APIs and tools like Postman. Experience with version control tools (Git). Familiarity with Agile/Scrum methodology Priyanka Sharma Senior Delivery Consultant Office ...

proficiency in Python for backend development Experience building APIs and production services Experience developing modern frontend applications using Next.js and React Solid understanding of REST APIs and client–server architecture Experience with testing frameworks (pytest) and CI/CD pipelines Familiarity with TypeScript, CSS frameworks and component-based UI design ...

KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ...

reporting initiatives Participate in agile ceremonies, discovery work, prototyping, testing, and deployments Ideal Candidate Strong experience with C#, .NET Core, Angular Solid understanding of REST APIs , microservices, and secure coding practices Experience with cloud platforms (AWS preferred) , CI/CD pipelines, Docker/Kubernetes Background in financial services or regulatory ...

development in React Native is essential , with a strong grasp of front-end design patterns and best practices in mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands ...

architecture, and help move millions in daily transactions. Requirements: • 5+ years backend engineering experience. • Strong JavaScript/TypeScript/NodeJS expertise. • Experience with microservices, REST APIs, and event-driven systems. • Solid knowledge of PostgreSQL, Redis, Docker, Kubernetes, and AWS. • Strong focus on security, scalability, and reliability. Nice to Have: • FinTech ...

HTTP filters. Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. ...

issues end-to-end. Key requirements: Strong manual and/or automated testing of complex web apps Experience testing Java/Spring Boot backends REST API testing (Postman/Swagger etc.) Strong SQL skills React/Next.js frontend testing experience AWS familiarity (EC2, RDS, S3, CloudWatch) Docker/Kubernetes exposure ...

Framework (SPFx) development Knowledge of Microsoft 365 development tools and APIs Experience with Power Platform technologies (Power Apps and Power Automate) Strong understanding of REST API integration Experience working with JavaScript or TypeScript and modern web development practices Understanding of secure development and enterprise collaboration environments Desirable Experience Experience with ...

directly with business stakeholders Familiarity with modern development practices and willingness to introduce improvements Additional desirable skills and experience: WPF/MVVM development experience REST and gRPC experience Familiarity with Azure CI/CD + the agile development methodology Understanding of system architecture and security principles ...

fundamentals Hard-working & driven mindset In this position, you will gain extensive knowledge across a broad variety of technological topics: ✅ Automation testing knowledge of REST APIs ✅ Software development experience in Java ✅ Identifying opportunities and executing improvements to quality process ✅ Developing automated tests and test frameworks ✅ Improving Continuous Integration pipeline ✅ Exposure ...

experience (including internships or personal projects) in backend development Proficiency in at least one backend language (Node.js, Python, Go, etc.) Basic understanding of how REST APIs work Familiarity with databases and version control (e.g. Git) Strong problem-solving mindset and attention to detail A willingness to learn fast and take ...

Automate, and Power BI. Experience working in agile or Scrum environments delivering software at scale. Exposure to modern architectures, integrations, and cloud services, including REST APIs and Azure-based tools. Demonstrated use of AI-assisted development tools to accelerate delivery and improve code quality. Strong leadership, communication, and conflict-resolution ...

/Web and Mobile architecture approaches and design patterns including micro front ends, module federation, stateless, SPA and others Strong API/integration experience: REST/GraphQL, auth flows, contract design and resilience patterns Well versed in latest CI/CD practises and tools, deployment methodologies and experienced in tools ...

transfer Some Active Directory management and least privilege access enforcement What you need: Practical RSA IGL (or similar IAM) experience SQL/PSQL, Oracle, REST/SOAP web services, JAVA/JSP, HTML/CSS/JS basics Linux/Windows servers, SQL/Oracle databases Excellent attention to detail ...

.Net - this will be a small part of the role but necessary • Experience working with component based development and design systems • Strong understanding of REST APIs, unit testing and Git • Experience with SQL, EF Core or Dapper • Experience working with UX and design tools such as Figma or Adobe ...

Responsibilities • Build and operate production-grade AI agents on GCP using Google ADK • Integrate AI systems with policy, claims and CRM platforms via REST/JSON APIs • Design scalable RAG pipelines (ingestion, chunking, vector search) • Implement evaluation, monitoring, A/B testing and cost/latency dashboards • Embed security, GDPR ...

bring experience with: • PostgreSQL/SQL database design, schema architecture, indexing, migrations • NoSQL databases such as Firestore • Database migrations from NoSQL to relational systems • REST API design for high concurrency • Stripe payments and subscription systems (RevenueCat beneficial) • Docker containerisation and CI/CD pipelines • Cloud infrastructure such ...

Technical Expertise (Exceptional Level) 2025+ years in QE engineering, transformation, and automation leadership. Mastery of: o Playwright, Appium, Selenium, Cypress, Java o API Automation (REST Assured, Karate, Postman) o Performance (JMeter, LoadRunner) o Cloud native testing (Azure, AWS, GCP) o Test orchestration, CI/CD pipelines o TDM, environment strategy ...

beyond. Core requirements: 3 plus years of engineering experience Strong in React and comfortable across the full JavaScript and TypeScript stack Backend experience building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar databases Evidence of building independently, for example side projects, startups, open source work ...

enterprise integrations using MuleSoft (Anypoint Platform). Experience integrating with enterprise platforms including Oracle-based systems and APIs. Knowledge of integration architecture patterns, middleware, REST/SOAP APIs and data transformation. Experience working across complex enterprise technology estates. Strong documentation, stakeholder management and communication skills. Experience delivering integration solutions within ...