51 to 75 of 81 RESTful Jobs in the City of London

React.js Developer

Hiring Organisation
idpp
Location
City of London, London, United Kingdom
understanding of React.js and its core principles Experience with common React workflows (e.g. Redux or similar) Familiarity with modern ECMAScript standards Experience working with RESTful APIs Knowledge of modern authentication methods (e.g. JWT) Experience with front-end build tools such as Babel, Webpack, and NPM Strong understanding of performance optimisation ...

Senior Full Stack Engineer

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
What They’re Looking For Strong experience commercial experience with PHP Strong experience with Symfony (or Laravel) Experience with Angular or similar modern frameworks RESTful API design and full stack development experience MySQL or PostgreSQL, plus Redis Docker (Kubernetes a bonus) Cloud experience ( AWS preferred ) Strong communication skills ...

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 ...

Senior Software Engineer

Hiring Organisation
Digital Waffle
Location
City of London, London, United Kingdom
junior developers and promote knowledge sharing across the team Tech Stack & Requirements: Strong experience in C#, .NET Core, and Entity Framework Solid understanding of RESTful APIs and backend service architecture Skilled with SQL and relational database design Experience with writing standalone distributed services Experience working with IIS Exposure to working ...

Backend Developer

Hiring Organisation
ABR Talent l Customer Success Recruitment for Start-up & Scale-up SaaS businesses
Location
City of London, London, United Kingdom
team where your work genuinely matters What they’re looking for Strong experience with C#/.NET Solid SQL skills Comfortable building and consuming RESTful APIs Clean, maintainable coding mindset Someone who enjoys problem-solving and contributing to a positive engineering culture The offer Up to £55,000 Remote-first ...

Senior React Native Engineer - London Hybrid : £100-120k+

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Leveraging modern commerce ecosystems, including headless commerce platforms. Working confidently with state management tools like Redux or similar patterns. Integrating and consuming GraphQL and RESTful services to power rich user experiences. Rapidly shaping UI concepts through prototypes and iterative design. Ensuring reliability through comprehensive unit testing and a strong focus ...

Senior Backend Engineer

Hiring Organisation
M-XR
Location
City of London, London, United Kingdom
backend development experience with production applications Track record with at least one live application currently serving users in production Proven experience designing and implementing RESTful APIs at scale Strong experience with Python and modern web frameworks Comfortable working in TypeScript for frontend integration debugging Experience in building infrastructure for image ...

React Native Developer - Hybrid - Outside IR35 | React Native | FinTech | JavaScript | TypeScript

Hiring Organisation
VirtueTech Recruitment Group
Location
City of London, London, United Kingdom
quality mobile experiences in a regulated financial environment. Required Skills & Experience Strong commercial experience with React Native Solid JavaScript/TypeScript knowledge Experience consuming RESTful APIs Understanding of mobile app architecture and best practices Previous experience in FinTech, banking, or highly regulated environments (highly desirable) React Native Developer - Hybrid - Outside ...

Senior Backend Engineer Python

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
REST APIs enabling high-performance, reliable and secure services at scale. Role: Architect and build backend systems for Web3 products. Develop and maintain RESTful APIs using Python. Connect backend services with Web3 technologies, including blockchains, DAOs, and smart contracts. Requirements: Strong proficiency in Python and SQL. Hands-on experience with ...

Data Analyst

Hiring Organisation
Computappoint
Location
City of London, London, United Kingdom
experience in data analysis within an IT or technical environment. Strong proficiency in SQL and scripting languages including Python or R. Practical experience with RESTful API design, documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Working knowledge of cloud platforms (primarily Azure) and associated data services. Strong ...

Application Support Engineer

Hiring Organisation
Maveric Systems Limited
Location
City of London, London, United Kingdom
programs. Design and implement T24 versions and inquiries. Create reports as per business requirements. Integration: Support and implement Temenos Web Services Integration. Manage RESTful web services and data migration. Problem Resolution: Provide T24 support to operators during critical business hours. Analyze and resolve escalated issues. Adhere to incident management processes. ...

Solutions Engineer

Hiring Organisation
Global-e
Location
City of London, London, United Kingdom
technical audiences · BA/BS/Master degree in Computer Science or another technical field · Firm understanding of systems integration concepts, API implementation (RESTful services) and relational databases (SQL) · Established problem-solving skills and troubleshooting abilities · Experience in close working interactions with distant teams · Ability to learn and work with ...

Machine Learning Engineer

Hiring Organisation
Movement8
Location
City of London, London, United Kingdom
RNNs, LSTMs, Transformers). Strong experience with data tools (Pandas, NumPy, Apache Spark). Solid understanding of NLP algorithms. Experience integrating ML models via RESTful APIs. Familiarity with CI/CD pipelines and deployment automation. Strategic thinking around architecture and trade-offs. If interested please get in touch ASAP ...

Technical Product Manager

Hiring Organisation
Trust In SODA
Location
City of London, London, United Kingdom
tokenisation and scheme integration) • Knowledge of EMV, PCI, Visa/Mastercard requirements • Ability to map transaction flows and write clear functional specifications • Familiarity with RESTful services, monitoring tools, and browser-based debugging • Collaborative approach to cross-functional teamwork Benefits: o Up to 12% bonus o Private medical o 25 days ...

Technical Support Engineer

Hiring Organisation
Hanshow
Location
City of London, London, United Kingdom
paced international environment Familiar with Linux, system integration and basic network architecture. Familiar with database, cloud and IoT technology. Ideally with basic knowledge of Restful API, SQL, RF. Experience of project related to Wireless Communication is preferred. Fluent in English, both written and spoken, Chinese as an advantage. Self-motivated ...

Program Manager, API Integration

Hiring Organisation
PureSpectrum
Location
City of London, London, United Kingdom
ecosystem; preference for candidates from the buyer side of MR/insights due to the higher complexity of use cases. Strong knowledge of RESTful APIs, Postman, API documentation. Experience supporting buyer API integrations Exceptional communication and relationship-building skills across both marketing and engineering audiences. Proven ability to drive outcomes ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
.NET 10.0, C# 14 - Break Into Banking - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Are you stuck in a catch 22 situation i.e. want … training will be provided to fill any gaps in your skill set): .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Solid, DRY, LINQ, Microservices, Agile and Azure SQL. No previous banking experience is required. This is a once ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Developer, .NET 10.0 - Social Networking Site - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have ambitions … training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: London, UK/Remote Working Salary ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
Developer - Fastest Growing Social Media Firm - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view and share content … development principles. Our client can provide you with industry recognized training in: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Bootstrap and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone. From ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
10.0, C# 14 - Digital Download Site - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major player within … Azure SQL. You will be trained in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying … sound understanding of object orientated (OO) development and a skill that that includes: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. Top performers can expect ...

Junior .NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves as the world … full training will be provided to fill any gaps in your skill set): .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £105,000 per annum
.NET Developer, .NET 10.0, C# 14, Agile - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global innovator who builds software products … work on enterprise level software development projects and provide training into: .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Solid, DRY, LINQ and MongoDB. The company is quick to recognize talent and keen to nurture and develop ...

Technical Architect

Hiring Organisation
IPS Group
Location
City of London, London, United Kingdom
APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams to standardise the technical approach for messaging, data extraction, transformation, and load (ETL/… development, integration, and technical architecture. Advanced knowledge of API implementation, message queues (e.g., Azure Service Bus, Kafka), and event-driven architecture. Deep expertise in RESTful API design, API gateways (ideally Azure API Management), and the OpenAPI specification. Strong understanding of DevOps practices and hands-on experience with CI/ ...