26 to 50 of 157 REST Jobs in London

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 ...

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 ...

Fintech SaaS Technical Team Lead - London (Hybrid working) - £120 - £130K + Benefits

Hiring Organisation
Ben Turner
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 120,000 - 130,000 Annual
managing a development team in a fast-paced agile environment SaaS: Expertise in developing single-tenant and multi-tenant B2B SaaS applications with REST APIs and distributed microservices FinTech: Experience in delivering SaaS applications into Front Office capital markets Design: Proficient in architecture design using AWS services such as Cognito ...

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 ...

Backend Software Engineer Java Kafka - Tech Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
have Java development skills including multi-threading and concurrency You have experience with SpringBoot and microservices environments You have a good knowledge of REST APIs You have experience with Kafka (or similar messaging tools) You have a good understanding of AWS You have a thorough understanding of software development ...

Software Development Manager

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
technical foundation in the Microsoft stack, including the .NET framework (versions .NET Core, 8 and beyond), SQL Server, and microservices architectures. Familiarity with microservices, REST APIs, Docker, Redis, and cloud platforms (such as AWS or Azure) is essential. You'll also be comfortable working in a DevOps-driven culture, using ...

Workflow Developer

Hiring Organisation
Shaw Daniels Solutions
Location
City of London, London, United Kingdom
Create SQL queries, stored procedures, scripts, views, and data routines to support workflow logic, reporting, and system optimisation. Design integrations between systems using APIs, REST services, and approved integration tools. Implement development standards, version control practices, and technical documentation aligned with firm‐wide governance. Business Engagement & Requirements Work closely with ...

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 ...

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 ...

Integration Architect

Hiring Organisation
Capita Shared Services Limited
Location
London, United Kingdom
Employment Type
Contract
APIs), including consumption of Oracle-defined integration patterns, authentication models, and non-functional constraints Deep understanding of integration patterns, middleware, APIs (REST/SOAP), and data transformation technologies Proven experience integrating MuleSoft with Oracle SaaS/PaaS platforms (e.g. Fusion ERP/HCM, OIC, OCI APIs), including consumption of Oracle ...

Head of Engineering

Hiring Organisation
Zeus® | AI-Powered Logistics
Location
London Area, United Kingdom
/S/4HANA patterns), TMS, WMS, carrier/telematics platforms, customer master systems Own integration architecture across: Inbound/outbound APIs (REST/JSON), event-driven messaging (queues/topics), batch feeds, file-based interfaces (S3-based exchanges), structured email fallbacks Demonstrate practical experience with API management and integration ...

Server-Side Java/AWS engineer

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
regulatory reporting platforms with real business impact Collaborate closely with product and business teams Tech stack: Java (17+), Spring Boot, AWS (Lambda, S3, DynamoDB), REST APIs, Graph QL, Python (nice to have), CI/CD What we're looking for: Strong backend engineering experience (Java + AWS) Microservices ...

Service Now Developer

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £701 per day
development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal communication skills Additional Desirable ...

ServiceNow Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
work independently and within a team Technical Skills ServiceNow platform development and workflow configuration Web technologies: JavaScript, AngularJS, HTML, CSS, Bootstrap APIs and integrations: REST, SOAP, JSON, HTTP Experience building and maintaining ServiceNow integrations Strong troubleshooting, documentation and debugging capability Desirable Experience Experience with ServiceNow CSM (Customer Service Management) Exposure ...

Backend Node.JS Developer - London - PropTech AI StartUp

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
that power an AI assistant operating in real-time production environments. You'll design and build scalable systems using Node.js and TypeScript, working across REST APIs, event-driven architecture, data pipelines, and distributed systems, ensuring performance, reliability, and scalability as the platform grows. This is a hands-on leadership role ...

Technical Lead / Solution Engineer

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background beneficial) Strong understanding ...

Hedge Fund - Python Developer (Equities) - Trade life cycle - PnL - Kafka - Contract

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
based event publishing (eg, AVRO). Strong experience performing large-scale data calculations in Python using libraries like pandas, polars, and NumPy. Experience building REST services using frameworks such as FastAPI and/or Flask. Strong SQL skills and experience working with relational databases in production environments. Hands-on experience ...

Software Engineer

Hiring Organisation
L&Q Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 49,502 - 57,094 Annual
reporting governance and optimisation Familiarity with Azure services (Azure SQL, Data Factory, Synapse, Monitor) Integration with Microsoft tools (SharePoint, Power Apps, Teams) Exposure to REST APIs and data integration design Knowledge of master data management tools Experience with housing or property management systems (advantageous) Benefits Excellent pension scheme ...

Head of Software (ML & Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
MLOps and embedded systems integration. Background or interest in scientific/biological domains. Our Tech Stack (Current & Planned) Frontend: React, TypeScript Backend: Node.js, Python, REST & GraphQL APIs Cloud & Infra: AWS (ECS, S3, Lambda), Docker, Cloudformation, Pulumi, CI/CD with GitHub Actions ML/AI: PyTorch, TensorFlow, scikit‐learn, MLflow ...

Tools Engineer

Hiring Organisation
Sing King
Location
London Area, United Kingdom
with the Senior Leadership you’ll define, scope, and plan improvements, new features, anticipating business needs before they happen. Maintain and develop our internal REST API that centralises business logic for the CMS, tools, asset management, data validation, and publishing of Karaoke content. Transform the CMS frontend to deliver ...

Principal Machine Learning Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Node.js or Golang is a plus. Proficient with both SQL and NoSQL databases, and experience with data warehousing solutions. Demonstrated experience building robust APIs (REST, GraphQL) and operating in modern cloud environments (GCP preferred), using Kubernetes, Docker, CI/CD, and observability tools. Proven ability to lead and influence engineering ...

AI Lead

Hiring Organisation
Zensar Technologies
Location
London, United Kingdom
Employment Type
Permanent
development LangSmith/Observability: Tracing, evaluation, debugging agent runs Cloud Platforms: Azure, AWS, GCP (at least one) - deployment, infra, managed services API & System Integration: REST, gRPC, Kafka - enterprise integration patterns MCP/Shared Context: Model Context Protocol, CLAUDE.md, Beads Agent Evaluation: Testing non-deterministic outputs, guardrails, evals CI/ ...

Head of Development, EMEA IT, IT

Hiring Organisation
CLSA Global Markets Pte Ltd
Location
London, UK
Office.* Deep understanding of fundamental computer science concepts.* Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence).* Full-stack skills in Core Java and REST APIs.* Practical knowledge of multi-threading, event-driven programming, and memory optimization.* Strong problem-solving and analytical abilities.* Knowledge of performance tuning techniques.* Familiarity with ...

Generative AI Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
London Area, United Kingdom
agents, orchestration flows and MCP servers using AWS Bedrock Analyse logs, traces and evaluation outputs from a live AI product environment Design and maintain REST APIs interacting with AWS services including OpenSearch, DynamoDB, Kendra and S3 Build and maintain Step Functions and workflow orchestration components Collaborate closely with DevOps engineers ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
systems What we’re looking for Experience developing applications with .NET/C# Exposure to cloud platforms such as Azure Experience building or consuming REST APIs Understanding of microservices or event-driven architectures Experience working in agile engineering teams Interest in building high-scale transactional systems Mid-Level .NET/ ...