126 to 150 of 482 REST Jobs in London

Senior Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
sound technical knowledge, in order to help inspire the team. Here’s their stack: Python, C#, TypeScript, .NET Core, React, Azure, Redis, Terraform, REST APIs, Distributed Systems, Distributed Storage, Azure Tables, SQL Server, Cosmos, xUnit. The candidate What’s in it for you? They’re offering up to £120K ...

Sr. Applied AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
customers, including credit underwriting, financial risk assessment, and financial crime detection. You write clean, maintainable Python and SQL, and have a good understanding of REST APIs. You excel at breaking down complex problems and abstracting them into scalable, reusable solutions. You build strong relationships with both technical and business stakeholders ...

Staff Software Engineer (Full Stack: TypeScript, React, Node.js)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
concerns, design patterns, domain-driven design), and a bias towards clean, simple code Familiarity with container-based cloud-native applications and patterns such as REST APIs, message passing, horizontal and vertical scaling, and load balancing Awareness of web security concerns (SQL injection, XSS, CORS, cookies, authentication and authorisation) Nice ...

Staff .Net Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
staff-level backend engineer with deep, current expertise in C# and .NET Core 8/9 – you can architect and lead design of distributed REST API microservices at scale. Authority in AWS serverless architecture – Lambda‐first, with strong working knowledge of API Gateway, SQS, Step Functions, EventBridge ...

Senior Software Engineer - Payments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
lasting improvements Preferred Qualifications Deep hands-on software development expertise with Java or Kotlin and Spring Proven development and operational experience with high-volume REST and/or gRPC services Strong experience designing for containerisation and orchestration (e.g. Docker, Kubernetes) Significant time spent architecting, building, and operating cloud-native (e.g. ...

Engineering Manager | Payments, Abuse, and Conversion

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
systems in a cloud‐native environment. Modern tech stack experience: Demonstrable experience with cloud platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST). Database expertise: Hands‐on experience with both relational and NoSQL databases. A people‐first approach: Deep commitment to the growth and well‐being ...

Lead Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
write elegant clean code, understanding that simple often isn't easy Familiarity with container-based cloud-native applications, and architectural patterns such as REST APIs, message passing, horizontal and vertical scaling and load balancing Knowledge of web security concerns (e.g. SQL injection, XSS, CORS, cookies, authentication/authorisation techniques). ...

Integration Architect - Kafka

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
event-driven architectures. Strong commercial experience with Kafka and event streaming platforms. Deep understanding of microservices architecture and distributed systems. API-first architecture using REST and asynchronous messaging patterns. Strong Java and Spring Boot background. Experience designing cloud-native integration platforms on AWS. Strong understanding of messaging patterns, event sourcing ...

Scala Developer

Hiring Organisation
Stealth IT Consulting Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
technical discussions and continuous improvement. Requirements Commercial experience developing with Scala. Strong Back End development experience. Good understanding of functional programming principles. Experience with REST APIs and microservices. Familiarity with cloud platforms (AWS, Azure, or GCP) is desirable. Strong problem-solving and communication skills. What's on Offer Salary ...

C++ Software Developer | Data Infrastructure

Hiring Organisation
Ncounter Limited
Location
E1, Mile End and Globe Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£160000 - £180000/annum plus Bonus & Package
data processing High-performance microservices Data infrastructure and analytics pipelines Bonus points for SQL Boost ASIO Apache Arrow, Parquet, Protocol Buffers or FlatBuffers gRPC, REST or WebSockets Docker, Kubernetes, AWS or Google Cloud Rust, Python or Q This is an opportunity to solve complex engineering problems in an environment where ...

VP Full Stack Java Engineer - Investment Bank (multiple roles)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £120,000 per annum
assisted development tools such as Windsurf. What you'll bring: Strong Java 17/21, Spring and Maven experience. Knowledge of microservices, REST APIs and software-design principles. Experience with JUnit or Spock, GitLab CI/CD and Docker. Exposure to Angular, TypeScript or JavaScript. Familiarity with Splunk, AppDynamics ...

ServiceNow Developer - 12 months - £700 per day - SC Cleared

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB. ServiceNow Scripting: Client Scripts, Business Rules, Script Includes, UI Policies, and UI Actions. REST/SOAP API Integration: Building and consuming APIs for third-party integrations. ServiceNow Workflows: Designing and implementing Flow Designer and legacy Workflow Editor. Service Portal ...

Lead Software Engineer / Technical Lead (Python & Django)

Hiring Organisation
NonStop Consulting
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £720/day
improvement (Technical Leads) Mentor developers and provide technical leadership across squads Essential Skills Strong commercial experience with Python Excellent hands-on experience with Django REST API development System design and software architecture experience Agile delivery experience Test-Driven Development (TDD) Cloud platform experience (AWS, Azure or GCP) Excellent communication ...

Principal Software Engineer Java Spring Boot AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
strong Java development skills including multi-threading and concurrency You have experience with Spring Boot and microservices environments You have a good knowledge of REST APIs You have a good understanding of AWS You have a thorough understanding of software development and Computer Science fundamentals such as Object Oriented Programming ...

Senior Software Engineer

Hiring Organisation
OB Collective
Location
City of London, London, United Kingdom
building and reasoning about concurrent, fault-tolerant services Experience with data pipelines — ingestion, transformation, lineage, streaming and batch Solid API and structured-data fluency: REST/gRPC, JSON/Avro/Protobuf Sound CI/CD and testing discipline — correctness matters in high-assurance work Self-directing: able to take ...

Optimizely Commerce Technical Consultant/Architect

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
commerce architectures Composable commerce solutions Enterprise B2B and B2C commerce platforms Microsoft Technology Stack Hands-on experience with: .NET/ASP.NET Core/C# REST APIs and integration architecture Azure App Services Azure Functions Azure Storage Azure DevOps CI/CD pipelines and automated deployments Integration Experience Proven experience integrating ...

Senior AI/Data Science Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reusable AI design patterns including human‐in‐the‐loop workflows and multi‐agent coordination models Apply agent integration and communication standards (MCP, A2A, OpenAPI, REST, gRPC) Lead technical delivery of AI projects, managing timelines, dependencies, and stakeholder expectations Ensure delivery adheres to AI governance, data privacy, and regulatory frameworks Support ...

Senior Lead Software Engineer - React Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
React framework Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Ability to write testable, clean JavaScript code Comfortable working with projects partially or fully using TypeScript Using latest React features such ...

Forward Deployed Team Lead

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
accounts—comfortable in both exec-level conversations and deep technical design sessions. Familiarity with enterprise data environments: cloud data warehouses (Snowflake, Databricks, BigQuery, Redshift), REST/GraphQL APIs, and common ERP or CRM platforms. Comfort with modern deployment practices: CI/CD, containerization (Docker/Kubernetes), cloud‐native services ...

Senior Backend Engineer (Python)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Strong experience with modern Python web frameworks (FastAPI, Django, Flask or similar). Deep knowledge of PostgreSQL and relational database design. Experience building scalable REST APIs and backend services. Strong understanding of distributed systems and scalable architecture. Experience working with cloud platforms (Azure preferred, AWS or GCP also considered). ...

Banking Tech Full Stack Lead Engineer (Angular/Java) - VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Corporate Banking domain knowledge **Required Skills & Experience*** Significant hands-on experience with Angular, TypeScript, HTML5, Java & Spring framework* Proven experience of API first solution - REST, GraphQL* Experience designing & implementing large-scale platforms using microservices architecture* Experience working in Agile/Scrum delivery teams & incremental frequent releases.* Database design and queries ...

Senior Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
context of the business and designing system architectures that meet short and long term business goals Your skillset: Algorithms, data structures Observability Web services, REST, HTTP Containers, cloud Testing, reliability, monitoring Strong knowledge in building and owning application end-to-end, from inception to maintenance, to retirement Designing systems that ...

IT Integrations Developer

Hiring Organisation
Transact
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
applications using relevant web frameworks. Provide user support and resolve application issues as required. Design and implement secure API integrations and data flows (e.g. REST, GraphQL). Contribute to integration design, selecting appropriate approaches (direct integration, API-based, or event-driven) based on business needs. Troubleshoot, test, and maintain systems ...

Engineering Team Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Proven experience leading software engineers (people leadership and/or strong technical lead experience). Deep understanding of modern web application architecture, APIs (REST/GraphQL), and relational databases (e.g., SQL Server/PostgreSQL). Practical experience with cloud platforms (Azure and/or AWS), CI/CD, automation ...

Lead Software Engineer - Android

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
React framework Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Understanding of REST APIs and GraphQL Comfortable working with projects partially or fully using TypeScript End to end testing applications with Detox/Appium/WebdriverIO/Playwright ...