26 to 50 of 481 REST Jobs in London

Java Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
following; Strong proficiency in Java (Java 12+ preferred). Experience with Spring Boot, Spring Framework, and microservices architecture. Strong understanding of REST APIs, distributed systems, and event-driven architectures. Experience with relational databases such as PostgreSQL, MySQL, or Oracle. Experience with cloud platforms such as AWS, Azure, or Google Cloud ...

Node.js/TypeScript Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Technical Expertise Proficiency in JavaScript, TypeScript, and Node.js Experience working with microservices architecture Experience handling large-scale datasets (millions of rows) Strong knowledge of REST, JSON, and SOAP APIs Experience writing unit, integration, and end-to-end tests Hands-on experience with CI/CD pipelines (GitHub Actions) Experience using ...

Senior VP Credit Risk SME/Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Redis, Apache Kafka, Spark, HBASE and HDFS. Risk technology are using Kubernetes to deploy fraimWRX with a Python based Coordinator and Job Runner REST components. An in-house .NET based application layer integrates the FRA into MUFG proprietary systems. The successful candidate’s primary role as leader of the Credit ...

S&T Credit Systematic Trading Developer - AVP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
latency services, concurrency, messaging Python for research, analytics, data processing FIX protocol experience Front‐end engineering experience JavaScript/TypeScript React Real‐time dashboards (REST/WebSocket) Modern UI state management Distributed systems experience Kafka/Chronicle PostgreSQL/KDB+ Caching strategies Avro/Protobuf DevOps skills Linux Docker/ ...

Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
approach, writing unit and integration tests to ensure high-quality code, and maintaining a robust testing suite for continuous integration and delivery. Experience developing REST-based APIs Strong experience with DevOps and CI/CD tools (such as Jenkins, Ansible, Packer, Docker) Experience with Docker, Kubernetes or OpenShift for containerisation ...

Software Engineer (SAR)

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
/CD pipelines and frequent code integration. - Maintain accurate documentation and work tracking within Azure DevOps. Required Skills - Node.js & TypeScript - React & Express.js - REST APIs - Docker - Azure App Services & Azure Functions - Azure DevOps (Repos, Boards & Pipelines) - Azure Kubernetes Service (AKS) - Azure Container Registry - Cosmos DB - Kubernetes & Helm - Elasticsearch & Kibana - Infrastructure ...

Senior / Lead Fullstack (React) AI Engineer

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Docker CI/CD Infrastructure as Code Microservices Event-driven architecture Technology Stack React TypeScript Node.js AWS Google Cloud Platform (GCP) Vertex AI REST APIs Large Language Models (LLMs) Agentic AI Git CI/CD What's on Offer £115,000 - £130,000 base salary Equity package Hybrid working ...

Senior C# / .NET Developer | Risk & Securities Lending

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
C# and .NET (including .NET Core). Exceptional Object-Oriented Programming (OOP) skills and architectural design principles. Proven track record in designing and implementing REST/JSON APIs. Solid SQL database experience (e.g., SQL Server). Strong grasp of application performance, scalability, unit/integration testing, and CI/ ...

Senior AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Microsoft development background. Extensive experience developing applications using C#/.NET and modern frontend frameworks such as React or Angular. Experience designing and building REST APIs and integrating AI capabilities into enterprise applications. Strong knowledge of Microsoft Azure, including Azure AI Foundry, Azure AI Services and cloud-native application development. ...

Principal Technology Architect - LLMs, agentic coding systems, intelligent IDEs, AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
research workflows where permitted; govern enterprise knowledge ingestion. Architecture & Integration Distributed systems, microservices, cloud‐native (Azure/AWS/GCP); secure API design (REST/GraphQL). MLOps & AIOps: CI/CD for AI, model lifecycle (eval, versioning, rollout/rollback), guardrails, telemetry, drift monitoring, prompt safety. DevSec & Responsible ...

Principal, Cloud Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with experience building enterprise or healthcare software applications. Strong experience with modern frontend frameworks such as React, Angular, or Vue.js. Experience designing and developing REST APIs and application backends. Strong understanding of AWS services used for application development and deployment. Experience building secure, scalable web applications in cloud environments. Experience ...

Software Engineer II - Cloud Platform Engineering - Chase UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
server-side frameworks (e.g., Spring Boot) and good API design skills. Best understanding of DevOps practices and framework Knowledge of integration technologies such as REST APIs. Experience with Public Cloud services in Production (we use AWS). Experience with Infrastructure as Code (Terraform or other). Experience in architecting, supporting ...

Senior Software Engineer (Java/Spring/AWS)

Hiring Organisation
Awin
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Java/Spring Passion for clean, maintainable code with a strong understanding of SOLID principles Hands-on experience designing AWS-based systems, microservices with REST APIs, and event-driven architectures Focus on engineering quality through code reviews, testing, and test strategy improvement Responsibility for maintaining CI/CD pipelines ...

Senior Software Engineer (Back End)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
observability (metrics, tracing, logging) for distributed systems.* Experience with CI/CD pipelines, containerisation (Docker), and orchestration (Kubernetes/EKS).* Experience designing APIs (REST, GraphQL).* Knowledge of distributed messaging and caching technologies (e.g., Solace, Redis, or similar).* Understanding of FIX protocol and FIX message handling.* Hands ...

Senior Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
resilience. Mentoring other engineers through code reviews and knowledge sharing. Essential 5+ years' experience building backend applications using C# .NET. Experience designing and developing REST APIs. Experience working with Microsoft Azure. Experience building and supporting production cloud applications. Good understanding of distributed systems and modern software architecture. Experience working with ...

Vice President, Fullstack Software Engineer (Java/React)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
TypeScript. Solid experience with object oriented design and applying standard design patterns. Experience designing, building, and deploying scalable microservices using API-first principles with REST and/or gRPC. A strong appreciation for best practices, attention to detail, and building secure and stable systems. A collaborative mindset, with a drive ...

Forward Deployed Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
GitLab (or equivalent); infrastructure-as-code (e.g. Terraform); observability and monitoring stacks.* Solid understanding of database systems, SQL, data modelling, ETL pipelines, REST/gRPC APIs and microservices architecture; identity and access management with OIDC/SAML and Azure Entra ID.* Experience with LLMs, RAG systems, prompt engineering ...

Python Developer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£550/day
technical design discussions Essential Skills & Experience Strong commercial experience developing applications with Python Proven hands-on experience with Microsoft Azure Experience building and consuming REST APIs and microservices Strong understanding of cloud architecture and Azure services Experience with CI/CD pipelines and DevOps practices Familiarity with Git and modern ...

Software Developer

Hiring Organisation
Morgan Spencer
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£58,000 - £60,000 per annum
tools Experience with AWS cloud services Strong understanding of software development best practice Excellent communication and stakeholder management skills Desirable: React React Native Django REST Framework PostgreSQL Microsoft Dynamics 365 Dataverse Agile development experience Experience mentoring junior developers or conducting code reviews Morgan Spencer – Your Career, Our Expertise Morgan Spencer ...

Senior Application Security Consultant (SAST/DAST/OWASP )

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
across multiple technology programmes. Essential Skills Application Security Secure Software Development Lifecycle (SSDLC) OWASP Top 10 Secure Coding Secure Design Reviews API Security REST APIs Microservices Security Application Security Risk Assessments Threat Modelling STRIDE MITRE ATT&CK Security Architecture Risk Assessments DevSecOps CI/CD Security GitHub Actions GitLab Jenkins ...

Technical Consultant - C# and VB.NET - London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technologies including ASP.NET, HTML5, CSS3, JavaScript, and modern application integration practices. Experience working with data interchange formats such as XML, JSON, AJAX, and REST‐based integrations. Strong understanding of Software Development Life Cycle (SDLC), application architecture, design patterns, and coding best practices. Experience leading development activities, performing code reviews, troubleshooting ...

Dynamics 365 Developer

Hiring Organisation
Nigel Frank International
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
with Microsoft Dataverse and SQL-based data structures. Understanding of relational database concepts and data modelling principles. Experience designing and consuming integrations using APIs, REST/SOAP services, and cloud-based technologies. Strong analytical and troubleshooting skills with the ability to diagnose complex technical issues. Ability to produce high-quality ...

SENIOR SOFTWARE ENGINEER - PYTHON, AWS & REACT

Hiring Organisation
BRT Consulting LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
commercial experience developing cloud-native SaaS applications and enjoy working in a collaborative, fast-paced environment. Essential Skills & Experience Strong Python development experience building REST APIs and distributed microservices. Experience delivering B2B SaaS products, including single-tenant and multi-tenant architectures. Hands-on experience with AWS services including Cognito, Lambda ...

Tech Lead - Optimisation Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
batching/warm starts, parameter management, sensitivity analysis. Languages: Python and/or Java/C#/C++ (based on team stack). Services: REST/gRPC APIs, microservices and/or modular monoliths, asynchronous job orchestration. Data: SQL, data pipelines/ETL/ELT, caching strategies, data quality checks ...

Intermediate Java Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
delivery. Some experience with Apache Kafka, including working on distributed messaging systems for real-time data processing and managing Kafka-based solutions. Experience developing REST-based APIs. Some experience with SQL is required, and exposure to SQL stored procedures and indexes is preferred. Knowledge with DevOps principles and CI/ ...