1 to 25 of 46 RESTful Jobs in the City of London

Senior Fullstack Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum bonus
Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend systems Build cloud-native solutions on Azure with containerization Implement RESTful APIs using Java integrated with banking platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure AD) Secure coding and API versioning Data & Integration SQL Server, Azure SQL, Cosmos ...

Full Stack Engineer

Hiring Organisation
ITC Infotech
Location
City of London, London, United Kingdom
Integration: Integrate databases and ensure data security and integrity. Optimize database queries and performance to enhance overall application efficiency. API Development: Develop and maintain RESTful APIs for seamless communication between the front-end and back-end systems. Implement GraphQL APIs for enhanced data querying capabilities. Velocity Scripts: Utilize Velocity scripts ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Proven experience developing production-grade RESTful APIs ideally with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep ...

Java Software Engineer

Hiring Organisation
RedHolt
Location
City of London, London, United Kingdom
project delivery. Key Responsibilities Technical Delivery Design, develop, and maintain Java-based applications using modern frameworks, best practices, and AI technologies. Implement scalable architectures, RESTful services, microservices, and integration layers. Produce clean, maintainable, and well-tested code. Perform debugging, optimization, and performance tuning. Client Engagement Collaborate with clients to gather ...

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
sessions. Tech Stack TypeScript Next.js Node.js GCP AWS (ML) CI/CD with GitHub actions and workflows SQL (PostgreSQL, MySQL) NoSQL (MongoDB, Firestore, Redis) RESTful APIs - GraphQL Requirements for Mid-Level Full Stack Engineer | Audio Intelligence IoT Scale-up | Well Funded - Tech-for-good | TypeScript/Next.js/Node.js ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
/NoSQL databases. Proven experience working in fast-paced environments, ideally within trading, financial services, or high-frequency environments. Proficiency in developing RESTful APIs, microservices, and working with cloud-based architectures (AWS, GCP, or similar). Expertise in testing frameworks, CI/CD, and containerization technologies such as Docker ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
City of London, London, United Kingdom
state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related field. Advanced English level , both written and verbal. Excellent communication, leadership ...

Java Full Stack Engineer

Hiring Organisation
Quinnox Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day
services (ECS, Lambda, RDS, SNS/SQS) Experience with Infrastructure as Code (Terraform) Familiarity with Event Sourcing and/or CQRS patterns Knowledge of RESTful APIs and asynchronous messaging systems Experience with SQL databases (e.g., PostgreSQL, MySQL) Understanding of CI/CD pipelines and cloud-native best practices Nice ...

Senior Java Software Engineer

Hiring Organisation
Arrows
Location
City of London, London, United Kingdom
developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput backend systems using Core Java and SpringBoot. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with XML-based messaging standards and protocols commonly used in financial transactions. Deploy, monitor, and scale applications ...

Lead Full Stack Engineer

Hiring Organisation
BIOMETRIC TALENT
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
6+ years of professional experience in software development with a strong background in both frontend and backend. Deep expertise in TypeScript , ReactJS , Node.js , and RESTful API development . Experience with microservices , event-driven architecture , and cloud-native development . Strong understanding of SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis). ...

React JS Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
maintain user interfaces using React JS , Redux , and related libraries. Build reusable components and front-end libraries for future use. Integrate UI with RESTful APIs and collaborate with backend teams. Ensure application performance, responsiveness, and cross-browser compatibility. Participate in code reviews and maintain coding standards. Nice-to-Have Experience ...

Full Stack Engineer

Hiring Organisation
Fortice
Location
City of London, London, United Kingdom
experience (AWS, Azure, or GCP) Strong experience with Java or Python Front-end experience using modern JavaScript frameworks (e.g. React, Angular, Vue) Familiarity with RESTful APIs, databases, and version control Experience working in agile delivery environments Desirable DevOps or CI/CD exposure Experience working in a consultancy or client ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like Git. Sound understanding of development best practices including pair programming and TDD. Eagerness ...

AI Automation Engineer

Hiring Organisation
McCabe & Barton
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day
managing records, and integrating Appian with external systems via REST APIs, web services, and connected systems. API Development & Integration - Proficient in designing and building RESTful APIs using FastAPI, Flask, or Django REST Framework for exposing AI models and automation services. Experience with API authentication (OAuth, JWT), rate limiting, error handling ...

Java Developer

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
product lifecycle, particularly during team retrospectives Knowledge, Skill and Experience • Proven experience of Java, Spring and Hibernate • Proven experience of Angular, Javascript, HTML5, CSS, RESTful services • Proven experience of Oracle database • Proven experience of testing framework using Junit 5 • Experience in cross-platform applications highly desirable • Knowledge of optimising stored ...

Python Developer

Hiring Organisation
Propel
Location
City of London, London, United Kingdom
Familiarity with frameworks such as FastAPI (Python). ● Proficiency in working with databases like PostgreSQL, MySQL, MongoDB, or Cassandra. ● Experience in developing and consuming RESTful APIs. ● Knowledge of containerization and orchestration tools like Docker and Kubernetes. ● Experience with cloud platforms such as AWS, GCP, or Azure. 📅 Contract Details Outside IR35 ...

Data Engineer

Hiring Organisation
LatentView Analytics
Location
City of London, London, United Kingdom
Looker, including data source optimization and dashboard automation Proficiency in Python or R for scripting, data analysis, and automation Familiarity with APIs, RESTful data integration, and Git-based workflows Experience with A/B testing frameworks, statistical analysis, or experimentation design preferred Knowledge of Customer Success or Support Operations KPIs ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic connector layer to consume RESTful APIs from a heterogeneous global landscape of telco partners and IMS vendors (e.g., Nokia, Ericsson, Mavenir). ? Serve as the primary technical liaison to the engineering ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud-based infrastructure (Google Cloud, AWS, or Azure) Passion ...

Senior Software Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
years' experience in backend software development within a fast-paced, agile environment. Strong proficiency in Python (or similar modern backend language) and experience building RESTful APIs or microservices. Solid understanding of data structures, algorithms, and software design principles. Experience with cloud-based infrastructure (Google Cloud, AWS, or Azure) Passion ...

Back End Integration Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
observability. Back End Integration Engineer's Skills & Experience Proven experience designing and building APIs, services and system integrations. Strong understanding of integration patterns, including RESTful APIs, messaging, event-driven architectures and orchestration. Experience with cloud integration services such as Azure API Management, Service Bus, Event Grid and Azure Functions. Proficiency ...

Scala Developer - Remote Contract - Immediate Start

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
remote contract role with an immediate start. Key Responsibilities Design, develop, and maintain backend services and APIs using Scala and Play Framework . Implement RESTful endpoints, manage request/response lifecycle, and handle authentication/authorization flows. Write clean, idiomatic Scala code and apply functional programming principles where appropriate. Develop ...

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £110K + Healthy Equity

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
+ Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer ...