1 to 25 of 107 REST Jobs in the City of London

Python Developer

Hiring Organisation
Venture Up
Location
City of London, London, United Kingdom
years of frontend development experience with React and modern JavaScript/TypeScript Demonstrated ability to build and maintain polished, responsive user interfaces Experience with REST APIs and modern web frameworks, such as FastAPI Practical experience with PostgreSQL or similar relational databases Proficiency with HTML5, CSS3, and modern frontend build tools ...

Full-Stack Software Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £520 per day
/11/17+) Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive ...

Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js | £50K - £65K + Equity | Hybrid 3 Days LDN with Work From Anywhere Benefits

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
with Node.js or a similar runtime. Relational & non-relational database experience (PostgreSQL/NoSQL) Familiarity with front-end frameworks like React.js Experience with Docker, REST APIs, and cloud services (AWS, GCP, or Azure). A pragmatic problem solver who can balance delivering features with maintaining code quality. Strong communication skills ...

Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST/JSON, Postman, Flask/FastAPI, Power BI/Tableau, D3.js DevOps & Cloud: CI/CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform/ ...

Solutions Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
software engineering experience, mainly in C# and/or Python. Strong knowledge of cloud services (Azure App Services, Functions, AI Services). Proficiency in REST APIs, microservices, and event-driven architectures. Experience with Git-based version control (GitHub/Azure DevOps) and CI/CD tools (Azure DevOps, GitHub Actions ...

Senior Java Software Engineer

Hiring Organisation
Sentinel
Location
City of London, London, United Kingdom
technical leadership roles Background in high-transaction or large-scale enterprise systems (telecoms/billing experience advantageous) Technical Skills Essential Java, Spring Boot, J2EE REST APIs, Microservices, Kubernetes/OpenShift RDBMS, SQL, PL/SQL Angular, JavaScript, Bootstrap, HTML5, CSS3 Experience with application servers (e.g., JBoss, Oracle AS) Git, Maven ...

Expert Solution Architect

Hiring Organisation
Finastra
Location
City of London, London, United Kingdom
. Expertise in backend technologies: Hibernate, Oracle DB/PostgreSQL, Kafka, Redis, Elastic Search/Apache Solr Proficiency in API design and development using REST and GraphQL . Solid understanding of secure coding practices Desired experience with DevOps tools and practices : CI/CD: Jenkins/GitHub Actions/Azure ...

Java Specialist

Hiring Organisation
Pyramid Consulting, Inc
Location
City of London, London, United Kingdom
12+ years in Java development . Strong hands-on skills in: Java 8/17, Spring, Spring Boot, Hibernate, JEE, MVC, Swing, JSP, Webservices (REST/SOAP), Angular/AngularJS, jQuery, JSON, HTML, CSS, XSLT Expertise with: Tomcat, JBoss EAP, Apache, SQL, Oracle, PL/SQL, XML, Maven ...

Senior Full Stack Engineer (Outside IR35)

Hiring Organisation
Nixor
Location
City of London, London, United Kingdom
across frontend, backend, and cloud services Aligning with MoJ, GDS and HMPPS engineering standards Tech Stack Frontend: Express.js, TypeScript, Nunjucks Backend: Kotlin, Spring Boot, REST APIs, event-driven architecture Cloud & DevOps: AWS, Terraform, GitHub Actions, Docker, Kubernetes Practices: TDD, pair programming, code reviews, secure-by-design, agile delivery ...

Software Engineer

Hiring Organisation
ConSol Partners
Location
City of London, London, United Kingdom
environments, with a critical focus on the Hybrid Cloud and Microservices architecture. Domain Key Technologies & Platforms Proficiency Required Backend & Core Java (Expert), Spring Boot, REST APIs, Microservices Architecture Essential for scalable service design and implementation. Cloud & Hybrid AWS (Key), OpenShift (On-prem & Cloud), On-Premise to Cloud Migration Proven experience ...

Solutions Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Solutions Engineer: 5+ years experience in cloud-native development (Azure preferred) Strong software engineering background (C# and/or Python) Experience with REST APIs, event-driven architecture and microservices Experience with CI/CD pipelines, Git and modern testing practices Strong communication skills and confidence working with multiple stakeholders Location ...

💻 Senior Front Office Developer | Commodities & Energy Trading | C# .NET | Azure | 120k | London (Hybrid)

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
commodities space. 💸 Salary: Up to £100,000 + Benefits 📍 Location: London (Hybrid – onsite required) 💹 Tech Stack: C# .NET | .NET Core | Azure | SQL Server | REST APIs | Microservices | Event-Driven Architecture | CI/CD | Unit & Integration Testing ❗ Key Requirements: • 5+ years’ experience in C#/.NET development • Hands-on experience with Azure ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
KISS principles, decomposition principles, and resolving monolith vs. microservices trade-offs. Experience with SQL and NoSQL databases. Best practices in building scalable mobile APIs (REST, HTTPS, etc.). Good principles of security management (secrets, protocols, etc.). Experience with some Python web frameworks (Django, Flask, FastAPI, etc.). Desirable Skills ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, United Kingdom
experience, ideally working on backend systems, APIs, or AI-related products Proficiency in Python and JavaScript/TypeScript (Node.js) Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling Experience with containerisation (Docker) and cloud platforms ( GCP , AWS , or similar) Familiarity with LLM or AI APIs Exposure ...

Senior Java Software Engineer

Hiring Organisation
Yaspa
Location
City of London, London, United Kingdom
following: 6+ years commercial experience with Java Good understanding of JVM (memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full ...

React JS Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Required Skills Strong proficiency in React JS , JavaScript (ES6+) , HTML5 , and CSS3 . Experience with state management tools (Redux, Context API). Familiarity with REST APIs , JSON , and asynchronous programming. Knowledge of version control systems (Git) and build tools (Webpack, Babel). Understanding of responsive design and UI/ ...

Senior Java Software Engineer

Hiring Organisation
TechNET IT Recruitment Ltd
Location
City of London, London, United Kingdom
understanding of microservices, distributed systems, and associated architectural concepts. Experience with modern messaging technologies such as Kafka, RabbitMQ, or ActiveMQ. Comfortable designing and consuming REST APIs and ensuring clear, typed service contracts. Exposure to cloud platforms, ideally GCP or AWS. Strong problem-solving ability, plus the ability to reason through ...

Java & AWS Architect

Hiring Organisation
Ampstek
Location
City of London, London, United Kingdom
/CD (GitHub Actions/Jenkins/GitLab), IaC (Terraform/CloudFormation), Docker, Kubernetes. Messaging & Integration: Kafka/MSK, SQS/SNS, gRPC/REST, webhook patterns, integration gateways. Databases: SQL (PostgreSQL/MySQL/Aurora), NoSQL (DynamoDB/DocumentDB), caching (Redis/ElastiCache). Architecture Competencies Designing scalable, fault ...

Full Stack Lead Engineer

Hiring Organisation
InfoSec People Ltd
Location
City of London, London, United Kingdom
practical Generative AI tooling to ship better, faster What we’re looking for Strong hands-on experience across TypeScript/React/Node/REST APIs AWS experience (serverless is ideal): Lambda, SQS, S3, Cognito, API Gateway, EventBridge Microservices + event-driven patterns PostgreSQL plus at least one of DynamoDB ...

Python Developer

Hiring Organisation
Movement8
Location
City of London, London, United Kingdom
architecture planning and scalability skills • Proficiency with Terraform, Docker, and CI/CD automation • Solid understanding of SQL & NoSQL • Experience building scalable mobile APIs (REST, HTTPS) • Good security practices (secrets, protocols, etc.) • Experience with Python frameworks (Django, Flask, FastAPI) Nice-to-Haves • Experience with real‐time or in‐memory databases ...

Lead Python Engineer - Contract

Hiring Organisation
RAW Search
Location
City of London, London, United Kingdom
engineering standards across multiple Python/Django applications, while remaining highly hands‐on. Key responsibilities: Lead the design and development of backend services and REST APIs using Python and Django, with sufficient front‐end capability to operate as a full‐stack engineer. Own engineering best practice: repository structure, branching strategy ...

Software Engineer | Front End | London

Hiring Organisation
SGI
Location
City Of London, England, United Kingdom
office. 💷Highly competitive package + bonus + benefits What You’ll Bring Strong experience with React, TypeScript, Redux, Apollo Client , and GraphQL/REST APIs . Experience working in a cloud-native environment ( AWS or Azure ). Familiarity with data streaming (WebSockets, chunked responses) and front-end performance optimisation . ...

Lead Software Engineer

Hiring Organisation
Loop Recruitment
Location
City of London, London, United Kingdom
scalability. What You’ll Bring 🔥 Expert-level Python & Front End engineering skills — clean, scalable, production-grade code ⚙️ Strong experience building and designing APIs (REST, GraphQL, or gRPC) 🔧 Hands-on architectural depth — Microservices, distributed systems, event-driven patterns ☁️ Cloud expertise (AWS preferred) — Lambda, ECS, DynamoDB, SQS, SNS, API Gateway 🚀 Proven track ...

Senior ServiceNow Developer-HRSD

Hiring Organisation
Nelson Frank
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
pages that are intuitive, accessible, and mobile-ready. Integrate & optimise Integrate ServiceNow with HR and enterprise systems (HRIS, payroll, IAM, document management) using REST/SOAP APIs and IntegrationHub. Support data migration, synchronisation, and data integrity across platforms. Collaborate & support delivery Partner with HR stakeholders to understand requirements and translate ...

Full Stack Engineer

Hiring Organisation
ClearWatt
Location
City of London, London, United Kingdom
support ClearWatt’s growing product suite. What We’re Looking For 2+ years of professional experience with C# and .NET Core . Experience building REST APIs or microservices at scale. Familiarity with cloud-native design and Azure services . Understanding of async programming, dependency injection, and distributed systems. Strong grasp ...