1 to 25 of 930 REST Jobs in London

Full Stack Developer - London - Energy Trading

Location
Greater London, England, United Kingdom
Python development Experience building AI-enabled or agentic applications Experience with Azure AI Services, OpenAI, LangChain, or similar platforms Experience designing and developing secure REST APIs and enterprise integrations Strong understanding of SQL, relational databases, and data-intensive applications Experience with Git-based development practices, automated testing, and CI/ ...

Software Developer | Capital Markets

Location
Greater London, England, United Kingdom
Linux Tools/Technologies/Infra : NodeJS, cloud/AWS, RabbitMQ, AMQ, Mongo, Bitbucket (Git), SQL/Server, Jira Design : API, HTTP/REST, JSON, micro-services and distributed systems SDLC : Agile, Scrum, Kanban, DevOps, CI/CD, Automation First, BDD/TDD, DORA. Understanding of, and advocacy for, Agentic ...

full stack developer in accounting

Location
Greater London, England, United Kingdom
within Agile/Scrum development environments; Troubleshoot and resolve production issues. Требования Strong experience with Python; Experience with FastAPI, Flask, or Django; Experience developing REST APIs and microservices; Knowledge of Object-Oriented Programming (OOP); Experience with SQL and database design; Strong knowledge of React.js; Knowledge of JavaScript (ES6+) and TypeScript ...

full stack developer for cloud-native applications

Location
Greater London, England, United Kingdom
technologies within Agile delivery teams; Must be eligible for obtaining and maintaining UK SC Clearance; Proficiency in C# and .NET (ASP.NET Core), React, TypeScript, REST API development, SQL Server, Entity Framework and Microsoft Azure; Experience with Azure App Service, Azure Functions, Azure Service Bus, Azure SQL, Azure Storage, Microsoft Entra ...

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication ...

Senior Engineering Manager Software engineering London

Location
Greater London, England, United Kingdom
balance new features against architectural health. Excellent time management and proactive problem-solving skills. Technologies we work with Back end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. ...

Sr. Technical Lead / Architect

Location
Greater London, England, United Kingdom
development with React JS, JavaScript (ES6+), and TypeScript; intermediate knowledge is sufficient; Familiarity with state management using Redux or Context API and experience integrating REST APIs into front-end applications; Good knowledge of SQL and experience working with relational databases such as PostgreSQL, SQL Server, or MySQL; Experience working with ...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing

Location
Greater London, England, United Kingdom
Angular or Vue.js would also be considered). Inter-Application Communication: Solid understanding of building applications that handle real-time data, using technologies like REST APIs, WebSockets , or middleware (e.g., Solace, Kafka, TIBCO). Engineering Excellence: Proficiency in modern software engineering practices, including CI/CD, automated testing, application resiliency ...

C# Developer

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
with relational databases (SQL Server preferred), including schema design, query optimisation and stored procedures where appropriate. Integrate with internal and third-party systems using REST and messaging patterns. Write clean, testable code; create unit and integration tests and support automated CI/CD pipelines. Participate in code reviews, technical design ...

Senior Engineering Manager

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
balance new features against architectural health. Excellent time management and proactive problem-solving skills. Technologies we work withBack end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. Data ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
client stakeholders to translate business requirements into robust technical solutions. Design and implement integrations with internal client systems and external third-party APIs using REST, webhooks, and event-driven integration patterns. Apply software engineering best practices, including SOLID principles, Clean Architecture, Repository Pattern, Factory Pattern, Strategy Pattern, Dependency Injection ...

Engineering lead

Location
Greater London, England, United Kingdom
technology controls. Support production readiness reviews and regulatory initiatives. Required Technical Skills Engineering & Architecture Java/GoLang/.NET/Python Microservices Architecture REST APIs Event-Driven Architecture Domain Driven Design (DDD) Cloud Platforms AWS/Azure Kubernetes Docker OpenShift DevOps & Automation Jenkins GitHub/Bitbucket Terraform Ansible CI/ ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Engineering (Web & APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). 3. Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java ...

QA Engineer - PA26Q3QAJH101

Hiring Organisation
SS&C Technologies
Location
London, UK
Employment Type
Full-time
Experience developing automated test frameworks using C# (.NET) (preferred) or Java, with Behaviour Driven Development frameworks such as SpecFlow or Reqnroll. Strong experience automating REST API and UI testing using tools such as Playwright, Selenium WebDriver, or similar technologies. Knowledge of CI/CD pipelines, GitHub Actions, version control ...

Manager - DE - Technology Consulting - FS

Location
Greater London, England, United Kingdom
compliance and operational requirements into pragmatic technical designs. Required skills Skill Area Technologies/Capabilities Engineering leadership Java, Spring Boot, .NET or Node.js, microservices, REST APIs, event-driven architectures, OpenAPI/Swagger, integration patterns Front-end engineering Data & integration SQL, NoSQL, data integration, streaming/event platforms such as Kafka ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
design principles, and enterprise application architecture.Proven experience designing and building RESTful services and microservices-based solutions.Strong experience with Java 17, Spring Boot, Kafka, PostgreSQL, REST APIs, and event-driven architectures.Good understanding of frontend integration patterns and experience collaborating across user interface and backend delivery teams.Strong knowledge of Agile delivery methodologies ...

Principal Cloud Engineer (Terraform), London

Location
Greater London, England, United Kingdom
equivalent orchestration, Data Lake/Apache Iceberg, and advanced SQL for large‐scale transformations. Microservices & APIs: experience building modular, production‐grade microservices and REST APIs using Python (FastAPI, Flask, or equivalent); understanding of service design principles including versioning, fault tolerance, and observability. Cloud platforms: working knowledge of cost and usage ...

Senior Full Stack Developer | React | Angular | Vue (contract)

Location
Greater London, England, United Kingdom
Agile ceremonies. Required Skills & Experience Technical Expertise Strong proficiency in front-end technologies: React/Angular/Vue Solid experience in back-end technologies: REST APIs, GraphQL Strong understanding of databases: Hands-on experience with cloud services, ideallyAzure or AWS. Experience with CI/CD pipelines (GitHub Actions,Azure DevOps ...

Angular Developer with Python and AWS

Hiring Organisation
LTM
Location
London, UK
Employment Type
Full-time
Angular 6, Java, JavaScript, JSON, CI/Cd pipeline build deployment tools eg Bamboo, Micro services APIs, Cloud experience AWS Azure, API integration experience REST preferred, understanding of event driven architecture· Different AWS deployment methods eg native EC2 Pivotal Cloud Foundry JVM DockerExperience with software design and development ...

Ruby Developer

Location
London, United Kingdom
professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with Redis, Kafka, RabbitMQ, or similar backend technologies. Experience with Docker, CI/CD, and at least one cloud ...

Ruby Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
professional experience with other backend technologies, such as Node.js, Python, Java, or .NET. Strong experience with PostgreSQL/MySQL and database optimisation. Experience with REST APIs, microservices, and distributed systems. Experience with Redis, Kafka, RabbitMQ, or similar backend technologies. Experience with Docker, CI/CD, and at least one cloud ...

Java Engineer with AI

Hiring Organisation
Solirius Consulting
Location
London, UK
Employment Type
Full-time
technical roadmapsRequired Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

Java Engineer with AI

Location
Greater London, England, United Kingdom
roadmaps Required Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

Senior Software Engineer II -Java

Location
Greater London, England, United Kingdom
foundation in object-oriented design, development, and standard design patterns. Expert-level development experience using Java, Spring Boot and Web Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front‐end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS. Ability ...

Java Engineer with AI

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
roadmaps Required Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...