651 to 675 of 1,125 Permanent RESTful Jobs

Python AI Engineer (Hybrid) — Equity + Growth

Location
Greater London, England, United Kingdom
drive the full stack, including backend, frontend, CI/CD, and Azure deployment. You will work with Python as the core language, build RESTful APIs, and explore LLMs/agentic AI while shaping engineering practices and culture. London office attendance two days weekly; Cambridge one day weekly with expenses covered. ...

AI Full Stack Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£350.00 - £388.00 per day
Weeks, 2 Days) Hours: 40 hours/week Rate: 291 PAYE/388 Umbrella Core Technical Stack Programming & APIs: Python, RESTful API development, JSON Schema, Pydantic. AI & LLMs: Gemini, OpenAI, Claude. Frameworks & Orchestration: Google ADK, LangChain, LangGraph. Data & Search: AWS OpenSearch (Indexing and Vector embeddings - Highly emphasized ), Database Architecture (Intermediate ...

Back End Developer

Hiring Organisation
InfoSec People Ltd
Location
London, United Kingdom
senior engineers to design, build and operate secure, reliable services that protect users in real time. What you’ll do Design, develop and secure RESTful APIs and serverless microservices (AWS). Optimise data access across MySQL/RDS and NoSQL (DynamoDB); write efficient queries. Automate deployments (CI/ ...

Senior Developer (Rust)

Location
Greater London, England, United Kingdom
reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus You have experience in mentoring and guiding team members #J-18808-Ljbffr ...

Junior ASP.NET MVC Developer Fintech- Leicester

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech: ASP.NET MVC 5, Restful API, Angular, SQL, Azure Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 10 man flat Dev Team Pay: 40k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingJunior ASP.NET MVC Developer FintechQuant is urgently ...

Full Stack Developer - Angular

Location
City of Edinburgh, Scotland, United Kingdom
fellow engineers Person Specification Essential skills will include: Angular v6 and above .NET Core 3.0 C# Thorough knowledge of SQL Building and consuming RESTful web APIs using oData Ability to self-upskill on new technologies and programming languages. Previous experience in an Agile environment Reward In return our client will ...

Python Developer

Location
Greater London, England, United Kingdom
years)**• Strong **SQL skills** with ability to handle complex queries and large datasets• Experience with **Python libraries (Pandas, NumPy)** for data processing• Experience building **RESTful APIs/services (Flask/FastAPI/Django)**• Strong understanding of **data structures and performance optimization**• Experience working with **large-scale data processing and performance ...

Senior Frontend Engineer

Hiring Organisation
Impala Search
Location
London, United Kingdom
/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles . Experience building and consuming RESTful APIs . Familiarity with Agile/SCRUM methodologies and modern CI/CD practices. Why Join? Bootstrapped success story - with multiple thriving business arms. An executive ...

.Net Developer

Hiring Organisation
Oscar
Location
Hull, East Yorkshire, UK
Employment Type
Full-time
helping shape future architecture. Responsibilities Develop and maintain applications using C# and ASP.NETBuild scalable solutions using .NET Framework and .NET CoreDesign and develop RESTful APIs and microservicesWork with SQL Server databases, writing efficient queries and optimising performanceCollaborate with developers, testers and stakeholders in an Agile environmentParticipate in code reviews ...

SC Senior Integration Architect CGEMJP00358678

Location
Shrewsbury, England, United Kingdom
platforms such as HIP and SDES, aligned to programme standards. Define API specifications and integration patterns, including conversion of legacy SOAP services to modern RESTful APIs. Apply API‐first and domain‐driven integration approaches to support reuse, decoupling, and long‐term maintainability. Contribute to end‐to‐end solution design, ensuring ...

Senior Software Engineer (C# / .Net) · London ·

Location
Greater London, England, United Kingdom
distributed systems : consistency models, event-driven patterns, idempotency, race conditions Experience with Redis caching , Azure Blob Storage , and data-modelling trade-offs API design : RESTful contracts, versioning, webhooks, long-running operations (202 Accepted patterns) Real-time & frontend integration : SignalR/WebSockets, SPA frameworks (Vue/Nuxt or similar), TypeScript What ...

Senior Digital Engineer

Location
Bexhill-on-Sea, England, United Kingdom
data structures, algorithms, and JSX. Current experience with ReactJS workflows such as Flux, Redux, Create React App, and data structure libraries. Solid understanding of RESTful APIs and token-based authentication (e.g., JWT). Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices ...

ios developer for public-sector services

Location
Greater London, England, United Kingdom
Swift, knowledge of iOS application architecture and design patterns, CI/CD pipelines and automated build and deployment processes, cloud-based services and RESTful APIs, mobile application security and data protection principles, accessible application development, analytics, monitoring, and application performance tools Условия Autonomy to develop and grow skills and experience ...

Contract Lead Java Developer

Location
Birmingham, England, United Kingdom
Analysts, Project Managers and QAs in an Agile Scrum environment Utilising TDD and working on Java projects built with Spring MVC/Boot, Thymeleaf, RESTful, MongoDB, MySQL, Junit and others Produce well documented, clean code Provide recommendations on development approaches to address critical business requirements Requirements You'll be coding ...

Lead Software Engineer - Backend Engineer - Chase UK

Location
City Of London, England, United Kingdom
tests (unit, component, integration, end-to-end, performance, etc.) Excellent written and verbal communication skills in English Experience with cloud technologies and distributed systems, RESTful APIs and web technologies Knowledge of messaging frameworks Seasoned with operating, supporting and the security of mission critical software applications Understanding with different kinds ...

Android Developer x 2 - FinTech

Hiring Organisation
Sanderson
Location
South West England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £650.00 per day
application architecture, technical design, and engineering best practices. Write clean, maintainable, and well-tested code. Optimise application performance, reliability, and user experience. Integrate RESTful APIs and third-party services, including payment platforms and authentication solutions. Participate in code reviews and champion high engineering standards across the team. Troubleshoot production issues ...

Senior Software Engineer I – Contacts Team

Location
Greater London, England, United Kingdom
pain‐points You enjoy collaborating with others and bringing people together to solve a problem You have experience in designing, deploying and maintaining clean RESTful APIs You believe in and follow best coding practices, code reviews and open feedback You enjoy writing testable code and believe in Test Driven Development ...

Senior Fullstack Software Engineer

Location
Greater London, England, United Kingdom
them into robust, production‐ready solutions. What you’ll be doing Designing and maintaining backend services primarily in Python Developing and evolving well‐structured RESTful APIs Designing and improving data models across relational (e.g. PostgreSQL) and NoSQL databases Contributing to cloud‐based infrastructure (e.g. Google Cloud), deployment pipelines and DevOps ...

Senior Software Engineer II - Contacts Team - Java

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
customer pain-pointsYou enjoy collaborating with others and bringing people together to solve a problemYou have experience in designing, deploying and maintaining clean RESTful APIsYou believe in and follow best coding practices, code reviews and open feedbackYou enjoy writing testable code and believe in Test Driven DevelopmentNice to have ...

Senior Solutions Engineer

Hiring Organisation
DX
Location
Cardiff, United Kingdom
help inform product enhancements and roadmap priorities. Technical Skills: Exposure to programming (Ruby/Rails preferred) with a solid understanding of APIs and RESTful services. Experience with version control systems like Git and the GitHub CLI. Familiarity with SQL Knowledge of CI/CD pipelines, deployment workflows and branching strategies. ...

Applied AI Engineering Lead - VP, Markets Operations

Location
Greater London, England, United Kingdom
systems and workflows Strong understanding of LLM application patterns, including prompt engineering, retrieval‐augmented generation, tool calling, context management, evaluation, and guardrails Experience with RESTful API design, development, and integration, including frameworks such as FastAPI Experience with data engineering concepts, ETL and data pipelines, structured and unstructured data, and integration ...

Senior Software Engineer II - Contacts Team - Java

Location
Greater London, England, United Kingdom
pain-points You enjoy collaborating with others and bringing people together to solve a problem You have experience in designing, deploying and maintaining clean RESTful APIs You believe in and follow best coding practices, code reviews and open feedback You enjoy writing testable code and believe in Test Driven Development ...

Data Integration Specialist GB

Location
City Of London, England, United Kingdom
understanding of database systems and data modeling Experience with ETL processes and data migration projects Familiarity with integration platforms and middleware solutions. Understanding of RESTful APIs and web services Experience with version control systems (e.g., Git) HubSpot-Specific Knowledge (desirable but not essential): Thorough understanding of HubSpot's architecture ...

C# / .NET Developer – Front Office, Electronic & Low Latency Trading Systems

Location
Greater London, England, United Kingdom
Electronic trading or low-latency trading systems High-throughput or real-time architecturesMessaging middleware (Kafka, Solace or equivalent) FIX or other market connectivity protocols RESTful or service-oriented architectures High Performance Computing (HPC) or grid computing concepts Required Experience & Skills Essential Strong experience as a C#/.NET Developer ...

Senior Software Developer - Contacts Team

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
customer pain-pointsYou enjoy collaborating with others and bringing people together to solve a problemYou have experience in designing, deploying and maintaining clean RESTful APIsYou believe in and follow best coding practices, code reviews and open feedbackYou enjoy writing testable code and believe in Test Driven DevelopmentNice to have ...