1 to 25 of 242 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 ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern .NET, cloud and full stack practices. Qualifications Back-end (Primary Focus), Expert in C# and .NET Core with strong experience in MVC, REST API design and best practices; deep knowledge of AWS/cloud computing, microservices, CQRS, event‐driven and message‐based architectures; experienced with SQL Server, PostgreSQL ...

Back End Developer

Hiring Organisation
Allegis Global Solutions
Location
London Area, United Kingdom
Requirements Core Skills 7+ years of experience in backend development. Strong expertise in Java (Core Java, Spring Framework, Spring Boot, RxJava). Experience building REST APIs & reactive Web services. Strong knowledge of microservices architecture. Cloud & DevOps Hands-on experience with Docker, Kubernetes, OpenShift, Helm. Familiarity with CI/CD pipelines ...

AI Lead Engineer

Hiring Organisation
167 Solutions Ltd
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Backend Developer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Data Structures & Algorithms (CP-level proficiency preferred) Experience with Back End frameworks like FastAPI/Flask/Node.js/Spring Boot Knowledge of REST APIs , microservices architecture, and distributed systems Familiarity with databases : SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis) Experience with Git , CI/CD pipelines ...

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/ ...

Solutions Architect with Pre Sales Experience

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka Solution architect with broad expertise in wide range of digital technologies in areas of application platform ...

Senior QA Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Selenium Grid & WebDriver C#, SQL, Ruby, Specflow, and Cucumber. Experience in using AI technologies such as Co-Pilot. Javascript experience. Good exposure to SOAP, REST based APIs. Good exposure to DevOps/Test Plan APIs. Structured and disciplined with good interpersonal skills. Ability to produce high quality and professional written ...

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 Software Engineer - Regulatory News

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
blockers with project partners. Required Qualifications Business‐level proficiency in English, written and verbal. Extensive experience delivering enterprise‐level software using Java, OO, MVC, REST, Web API, and unit‐testing frameworks. Strong knowledge of relational and/or NoSQL databases (PostgreSQL & DynamoDB experience advantageous). Expertise in test‐driven development ...

Senior Software Engineer: Scalable .NET/Python FinTech Stack

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
drive efficiency and enable dynamic client billing. You will develop robust data models in SQL Server, implement complex business logic, and deliver low-latency REST APIs and React-based user interfaces for internal teams. Leveraging Python for analytics, data processing, and automation, you will also containerise applications using Docker ...

Software Architect

Hiring Organisation
Jobleads-UK
Location
Bromley, England, United Kingdom
Concept with scalable, secure, and credible architectural solutions. Technical Background & Expertise Core Engineering: Strong experience in .NET (C#), SQL, MVC, and API development (REST/SOAP), with a focus on building maintainable, testable systems. AI‐Assisted Engineering: Practical application of GenAI to enhance development efficiency while maintaining governance, security ...

Software Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
responses and Proofs of Concept, shaping credible, scalable, and secure technical propositions. Technical Background and Expertise Core Engineering: .NET Framework and C#, SQL, MVC, REST and SOAP APIs, with strong experience in designing maintainable, testable systems. AI‐Assisted Engineering: Practical use of GenAI to accelerate development while maintaining quality, security ...

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/ ...

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 ...

AI-Forward Software Engineer — AI Transformation Office, Senior Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
baseline requirement, not a differentiator Python and/or Java for backend service development LLM integration experience – OpenAI, Anthropic, or equivalent APIs MCP, REST APIs, Microservices Architecture Cloud platforms – AWS, Azure, or GCP Preferred Agentic framework experience – LangChain, LangGraph, AutoGen, or similar RAG pipeline design and vector database experience (Pinecone ...

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 ...

Senior Software Engineer– Oracle Unity CDP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience integrating CDPs with enterprise ecosystems (data lakes, CRM, marketing automation, analytics platforms). Experience working with cloud platforms (AWS, Azure, Snowflake, Databricks) and REST APIs. Strong understanding of data governance, data quality frameworks, and data privacy regulations. Demonstrated ability to lead technical discussions and influence cross‐functional stakeholders. Excellent ...

AI Software Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
bringing forward innovative ideas for application. Experience & Qualifications Strong Python development background (5+ years preferred), with solid experience in FastAPI or Django and Django REST Framework. Proven track record of building and deploying AI/ML-powered applications in production environments. Proficiency with async and streaming APIs, enabling efficient real ...

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 ...

Software Engineer

Hiring Organisation
DMCG Global
Location
Greater London, England, United Kingdom
bring 5+ years’ experience building and maintaining production systems Strong Python fundamentals (clean code, type hints, solid design) Experience with FastAPI (or similar), REST APIs, Docker, CI/CD, SQL Comfortable with automation, scripting and modern Git workflows Bonus points for React + TypeScript Azure (Container Apps, Blob Storage, Entra ...

Senior Python Engineer

Hiring Organisation
Levy Global
Location
City of London, London, United Kingdom
software engineering principles (SOLID, testing, clean code) Experience with AWS cloud services Hands-on experience with Django, FastAPI and/or Flask Strong REST API development and integration experience Experience working within Agile/Scrum teams Excellent communication and problem-solving skills Nice to Have Event-driven architecture and microservices ...

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 ...

Senior Developer

Hiring Organisation
Lorien
Location
City Of London, England, United Kingdom
system improvements Support and refactor legacy platforms, ensuring performance, scalability and stability Troubleshoot complex production issues across business‐critical systems Design and integrate REST APIs and third‐party services, including exposure/cat modelling tools Collaborate with business and technical stakeholders in an agile delivery environment Key Experience Required (Essential ...

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 ...