1 to 25 of 136 REST Jobs in London

Senior Full Stack Developer (React & C#.NET)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a plus. Power BI: Familiarity with developing dashboards ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 Daily
meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure DevOps ...

Full Stack Software Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
meet security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure DevOps ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £130,000 per annum
testing and evaluation Prompt Engineering and AI workflow optimisation Programming & Frameworks Strong Python development skills PyTorch TensorFlow Scikit-Learn LangChain LangGraph Hugging Face FastAPI REST APIs Data Technologies SQL NoSQL Databases Data Modelling ETL Development Data Pipeline Engineering Vector Databases such as Pinecone, Weaviate or ChromaDB Cloud & DevOps Experience with ...

Java Full stack Developer (ReactJS&AngularJS) - London, UK - Fulltime - Hybrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
Strong experience in Java 17+ software development and Spring Boot 3+. Strong core Java skills including Generics, OOPS, Collections, Multithreading, I/O, Streams, REST, JPA. Strong knowledge of Microservice development using Spring Boot. Knowledge of HTML5, TypeScript, and ReactJS 16+ or Angular 10+. Ability to read, write, and debug ...

Lead Solution Architect Endur (ETRM Gas & Power Trading)

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
attribution, settlement, confirmations and regulatory reporting. Expert understanding of integration architecture in high-performance trading environments including messaging (JMS, MQ, Kafka), API design (REST, GraphQL, gRPC), event-driven patterns, ETL/ELT, real-time market data connectivity and STP workflows. Strong data architecture expertise, including canonical data models, data mesh ...

Cribl Data Analytics Engineer

Hiring Organisation
International Military Ministries
Location
City of London, London, United Kingdom
Employment Type
Contract
requirements. Experience onboarding security log sources. Data & Analytics Strong log analysis and troubleshooting skills. Experience with structured and unstructured data. Knowledge of JSON, Syslog, REST APIs, and common log formats. Experience developing dashboards and reporting solutions. Cloud & Infrastructure Azure and/or AWS experience. Understanding of Windows and Linux environments. ...

Principal Technical Lead

Hiring Organisation
RSSB
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Core code-first migrations and data modelling. Strong front-end engineering skills in React and TypeScript, including component architecture, state management, and integration with REST/SignalR backends. Solid understanding of event-driven architectures. Hands-on experience with PostgreSQL or comparable relational databases. Experience with API and application security. Practical ...

Web Developer - (React / TypeScript)

Hiring Organisation
SDL Solutions Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
environment. Good problem-solving and communication skills. Desirable Experience with Azure DevOps. Knowledge of CI/CD pipelines and DevOps practices. Experience working with REST APIs. This is an excellent opportunity to join a collaborative team working on modern web applications and technologies. Web Developer - (React, TypeScript & .NET) – 12-month ...

Full Stack Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
modern technologies, while gaining exposure to cutting-edge AWS architecture and engineering best practices. Key Skills: TypeScript React, Redux, React Query HTML5, CSS3, Tailwind REST APIs, GraphQL, WebSockets AWS (Lambda, Fargate, API Gateway, AppSync) Terraform, CI/CD, Containerisation SQL & NoSQL databases Git and automated testing Experience Required: Commercial experience ...

Java Software Engineer

Hiring Organisation
Sanderson Recruitment
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £600 per day + Inside IR-35
Collaborate with frontend, QA and DevOps teams Participate in code reviews and technical discussions Required skills Strong commercial Java experience Spring/Spring Boot REST API development Azure experience (App Services, AKS, or similar) VS Code for day-to-day development Git and version control Experience with relational and/ ...

Python Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent
analytics capabilities Participate in debugging, testing, and production support activities Technology Environment Python Databricks/Apache Spark SQL Pandas/NumPy Git REST APIs Cloud technologies (Azure or AWS) Numerix (or equivalent pricing/risk platform) Jupyter/notebook-based analytics workflows Requirements 1-3 years' commercial Python development experience ...

Senior Gen AI Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
DeepEval* Strong AWS experience, ideally including Lambda, Fargate/ECS, ECR, Bedrock, S3 and RDS/Postgres* Experience integrating applications via APIs, including REST and async/event-driven patterns* Docker and Kubernetes/EKS experience* Experience operating applications in cloud environments* Strong understanding of security, resiliency, scalability, performance ...

Microsoft Power Platform Developer (Copilot Studio Experience)

Hiring Organisation
Crowe UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Studio: Designing conversational flows Creating and managing topics and generative answers Integrating copilots with Power Automate and APIs Experience integrating Power Platform solutions with: REST APIs Microsoft Graph Azure services (Logic Apps, Functions – desirable) Understanding of: Data modelling and Dataverse schema design Security roles and access controls Data Integration ...

Lead Java Developer

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
experience in Java development with at least 2 years in a lead role Strong expertise in Core Java Java 8 Spring Framework Spring Boot REST API development Handson experience with Apache Kafka MongoDB or other NoSQL databases Docker and containerization Helm Kubernetes deployments Solid understanding of CIAM IAM concepts including ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
read and write API specs - Hands-on with TMF/ODA frameworks for product and service APIs - Expertise in integration patterns ( OpenAPI , REST, gRPC , GraphQL ) - Strong background in pub/sub and event brokers (Kafka, RabbitMQ) including security (TLS/SASL), scaling and schema evolution - Knowledge of headers, correlation/ ...

Integration Developer FTC

Hiring Organisation
itecopeople
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Contribute to architecture, code reviews, and engineering standards Collaborate with developers, data engineers, and stakeholders Technology Stack Kafka/Redpanda Docker & Kubernetes Microsoft Azure REST APIs & webhooks CI/CD & Infrastructure as Code OpenTelemetry, Prometheus & Grafana Required Skills Strong software engineering background Experience building integration or event-driven platforms Kafka ...

Full Stack AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
skills in languages such as Java, Python, or Node.js, with exposure to modern frontend frameworks where relevant. Solid experience integrating systems via APIs, including REST and event-driven patterns. Hands-on DevOps expertise covering CI/CD, containerisation, and cloud platforms such as AWS or Azure. Strong understanding ...

Java Backend Developer

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
production systems. Solid experience with the Spring ecosystem, particularly Spring Boot, plus common modules such as Spring Data and Spring Security. Proven capability building REST APIs and working with microservices architecture in distributed environments. Strong testing discipline using frameworks such as JUnit and Mockito. Experience working with relational databases (e.g. ...

Go Full Stack Developer

Hiring Organisation
itecopeople
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Skills & Experience We are looking for candidates with strong commercial experience in: Go/Golang backend development Full stack software engineering within Agile environments REST APIs, integrations and distributed systems React and modern frontend development CI/CD, Git and cloud-based delivery practices Docker and Kubernetes Code reviews, testing ...

Knowledge Graph Architect

Hiring Organisation
Thebes IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
resolution Data lineage tracking Schema mapping Semantic data integration Metadata management Data quality frameworks Python (networkx, rdflib, py2neo) SQL Bash/Shell Scripting REST API integration GraphQL JSON-LD processing AI & Cloud Architecture AI Integration Cloud Platforms Governance & Operations RAG architecture design GraphRAG implementation Vector database integration LLM knowledge grounding ...

Python Automation Engineer

Hiring Organisation
Tata Consultancy Services
Location
London Area, United Kingdom
Essential skills/knowledge/experience: Strong hands‐on experience with Python for test automation Proven experience using PyTest framework Experience in API automation (REST, JSON, Postman/Newman, requests, etc.) Good understanding of test design techniques, test data management, and reporting Experience with CI/CD tools such ...

Data & Analytics - Senior Associate

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
solutions. Genuine curiosity about AI, LLMs, and the evolving analytics landscape , evidenced by personal projects, writing, contributions, or experimentation. Familiarity with some of: SQL, REST APIs, cloud platforms (AWS preferred), and version control (Git). Ability to work independently: you can scope tasks, manage your time, and make pragmatic trade ...

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 ...

BMC Helix Architect

Hiring Organisation
Vallum
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Digital Workplace solutions. Experience with cloud platforms such as Azure, AWS, or hybrid cloud environments. Knowledge of Scripting and automation technologies including Python, PowerShell, REST APIs, or orchestration tools. Experience integrating BMC Helix with monitoring, security, DevOps and enterprise collaboration platforms. Familiarity with Agile, DevOps and CI/CD delivery ...