26 to 50 of 170 REST Jobs in London

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
engineering roles, with a track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal supervision ...

Back End Engineer

Hiring Organisation
Zuma Labs
Location
Greater London, England, United Kingdom
trading/finance experience. Experience with writing unit and integration tests and maintaining CI/CD pipelines. Preferred Qualifications & Experience Experience with GraphQL or REST API development. Knowledge of asynchronous programming, message queues, or real-time streaming architectures. Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes/ ...

UI Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
enterprise-scale or modular applications. Deep knowledge of component-driven development, UI state management, layout systems, and SPA navigation. Strong experience working with REST APIs and .NET backends. Excellent command of C#, .NET Core 7, and asynchronous programming. Demonstrated ability to deliver pixel-perfect UIs from design specifications. Strong ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
Strong knowledge of Microsoft Azure and cloud-based data solutions Experience designing for both structured and unstructured data Solid understanding of microservices architecture and REST-based systems Strong data modelling experience Key strengths: Ability to communicate complex technical ideas to non-technical stakeholders Strong analytical and problem-solving skills Experience ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Azure preferred) Experience across both open-source and enterprise data platforms Strong understanding of data modelling and architectural methodologies Experience with microservices architecture and REST-based systems Ability to design for structured and unstructured data environments Understanding of non-functional requirements and system design principles Ability to review code ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
team retros, sprint reviews, story-mapping, backlog refinement) helping the entire delivery team be the best that they can. Essential Skills: C# .NET Core, REST API Design and Development, API Management Document or No-SQL database solutions (particularly Elasticsearch) Messaging and microservices based architecture (Azure Service Bus, Azure Functions) Formal ...

Junior Software Engineer

Hiring Organisation
Insight Global
Location
City of London, London, United Kingdom
Visual Studio, .NET/C#, ASP.NET, Entity Framework. SQL Server: good T-SQL, performance tuning, and SSDT database projects APIs: designing, building and consuming REST services. SDLC/DevOps: Agile delivery, Azure DevOps, CI/CD automation, Git (branching/release strategies). ...

Python Full-Stack Developer

Hiring Organisation
Crisil
Location
City of London, London, United Kingdom
Azure DevOps. Databases : SQL Server, Oracle, PostgreSQL, Delta Lake Big Data : Apache Spark Version Control : GitHub, Git, Azure DevOps Visualization : Power BI & Integration with REST APIs for custom dashboards. Data Integration & Workflow Orchestration : Azure Data Factory, Databricks Workflows ...

Senior Software Engineer

Hiring Organisation
Annapurna
Location
City of London, Greater London, UK
working on new service development, integrations, and the modernisation of existing systems. Key Responsibilities Build and enhance backend services using Python/Django Develop REST APIs and integrate with internal/external platforms Support data models, business logic, and application performance Work closely with architecture, DevOps, and product teams Contribute ...

Web Developer

Hiring Organisation
Marks Sattin
Location
City of London, London, United Kingdom
Bring Strong front‐end engineering fundamentals with 3+ years’ web development experience Proficiency in Angular (v20+), TypeScript, HTML, and CSS Experience consuming and integrating REST APIs Familiarity with Git‐based source control and collaborative development workflows Experience working with Azure services, including Azure SQL and cloud‐hosted applications Exposure ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
/lift‐and‐shift) CI/CD & automation: Ansible, Chef, TeamCity Scripting (Python; legacy upgrades) Hybrid cloud exposure, infra coordination Messaging & integration (REST, Solace/streaming) Good‐to‐Have Skills Kubernetes & containerization Microservices modernization Deeper GCP/Anthos experience .NET/WPF familiarity Low‐latency/trading systems Post‐migration ...

Senior Python Engineer

Hiring Organisation
Espire Infolabs Limited
Location
London, United Kingdom
Employment Type
Permanent
producing clean, maintainable, production-grade code Strong Azure experience : Azure DevOps, Docker, cloud deployment, Azure Functions or equivalent Proven track record designing and integrating REST APIs and microservices Experience setting up and managing CI/CD pipelines (Azure DevOps, GitHub Actions, or similar) Comfortable working independently in an evolving environment ...

Lead Developer AI

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
capability Tech environment - Not set in Stone Frontend: React, Next.js, TypeScript (or similar) Backend: Node.js (Express, NestJS) or Python (FastAPI, Django) (or similar) APIs: REST, GraphQL (or similar) Databases: PostgreSQL, MongoDB (or similar) AI/Data: Experience integrating AI/ML features via APIs (e.g. OpenAI, Anthropic or similar) Exposure ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Understanding of 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 ...

Senior Forward Deployed Engineer

Hiring Organisation
Uniphore
Location
London Area, United Kingdom
/Go, React/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL, Webhooks etc). Solid understanding of LLMs, Prompt engineering/tuning, Vector DBs (AstraDB, Pinecone, Weaviate etc), RAG pipelines (LlamaIndex, Haystack ...

IT Development Team Lead (Full Stack)

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
DevOps CI/CD processes, Service bus Architecture, Microservices, Functions, Web apps, IAC Experience with AI driven development tools such as Claude Experience developing REST API-driven mobile first web applications Experience of frontend application development, with a focus on React.js, Next.js and TypeScript Jira, Bitbucket, Git Flow, Confluence, Azure ...

Global IT GenAI Software Engineer Director - AI & Innovation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
developing Gen AI applications. Along with core Generative AI expertise, you will bring expertise in full backend development in technologies like python, typescript including REST, GraphQL etc. APIs development, core functional logic, performance, and stability of custom-built products. Conceptualize Generative AI custom products at BCG internally & operate ...

Senior Full Stack Engineer

Hiring Organisation
Access Computer Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £440/day
React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/CD pipelines, GitOps ...

Python Developer

Hiring Organisation
Roc Search
Location
City of London, London, United Kingdom
time data pipelines and event-driven architectures • Supporting production systems and driving performance improvements 🛠️ Core tech & experience: • Strong Python expertise (Django, FastAPI) • Experience with REST APIs, WebSockets, and real-time data integration • Cloud-native development (Azure preferred) • CI/CD, automated testing, and production support • Hands-on experience with ...

Golang Engineer

Hiring Organisation
Zensar Technologies
Location
London, United Kingdom
Employment Type
Permanent
safe programming language (Golang Preferred but other experience can be considered) . Comfortable/experienced with back-end micro-service architecture and communication, specifically REST and asynchronous messaging services (e.g., Kafka, RabbitMQ etc.) Comfortable/experience within a Scrum framework working with as part of a team to deliver business ...

RPA Developer (UiPath)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
Skills & Experience 36 years of hands on UIPath experience (Studio, Orchestrator, Assistant). Proficiency in VB.NET/C#, Regex, LINQ, and working with APIs (REST/SOAP). Experience integrating with OCR tools (ABBYY, Document Understanding, AI Center). Understanding of BPM, workflow modelling, and process engineering. Exposure ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
East London, London, United Kingdom
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. ...

Scala Developer (Remote)

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
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. ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 700 Daily
critically evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...

Contract Senior Software Engineer (Java or Python)

Hiring Organisation
SoCode Limited
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
critically evaluate AI-generated code for correctness, security, and financial accuracy Desirable, but no essential: Experience with Apache Airflow or similar workflow schedulers REST or GraphQL API design experience Knowledge of fixed income, FX, or derivatives products and associated P&L/risk methodologies ...