26 to 50 of 123 API Development Jobs in England

high profile client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London. The ASP.NET MVC Development role is expansionary due to a brand … international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will ...

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 looking for an ASP.NET MVC Developer to join our high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank based API creation. Our client is well known in the WRAP and SIPP market as a full service provider. The environment ...

stakeholder exposure and the opportunity to influence how AI is adopted across a prestigious financial services environment. Key Responsibilities Lead the technical design and development of AI-driven proof-of-concepts, prototypes and lightweight applications that demonstrate measurable business value. Work directly with senior stakeholders, business teams and technology … software engineering practices. Design and implement integrations across multiple enterprise data sources, systems and applications, establishing scalable and reusable engineering patterns. Leverage AI-assisted development tools, including GitHub Copilot, to accelerate engineering delivery and experimentation. Collaborate with platform engineering, architecture, security and governance teams to ensure solutions align with ...

ASP.NET Developer – FintechTech: C# .net, Azure, SQL, Team City, GIT, TFS Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Insurtech software business, West London, 10 man flat Dev Team Pay: 65k Some Flex WorkingQuant is urgently looking for an ASP.NET MVC Developer to join … high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank-based API creation. Our client is a well-known fintech software house in central London. This is an expansionary role building a greenfield financial modelling platform used by major finance business'.Working together with ...

indices is a strong plus, as this role may support tooling and data platforms used by commodities trading, research, or risk functions. Key Responsibilities Development * Design, develop, and maintain backend services in Python, including asynchronous task processing using Celery, Redis (as broker/result backend), Celery Beat (scheduled/… throughout the project lifecycle. Testing & Quality Assurance * Write and maintain unit, integration, and end-to-end tests for both backend (Python/Celery/API) and front-end (React) code. * Validate asynchronous task pipelines for correctness, idempotency, retry behavior, and failure handling. * Participate in code reviews, ensuring adherence ...

expert in generative AI and financial technology We'll Count on You To: Design and build transformative ML systems – Lead the development of advanced generative AI solutions, agentic workflows, RAG architectures, and intelligent platforms using PyTorch, modern ML frameworks, and large language models; write production-quality code that scales … understanding of MLOps, containerization (Docker, Kubernetes/AWS EKS), cloud platforms (AWS/Azure including Bedrock, SageMaker, Azure AI Search), workflow orchestration (Airflow), and API development for ML systems Software development fundamentals – Deep understanding of automated testing, source version control, code optimization, software architecture, and building scalable ...

Tech: ASP.NET MVC 5, JavaScript, Angular 2, Entity Framework, WEB API, JQuery, MySQL, MicroservicesChallenge: Greenfield Trading platform, API development, Azure development. Firm: Well known FX fintech50 business, City of London, 10 Man flat Dev TeamPay: 110k, Bonus, Pension, Life/Health, Some Flex Working, HybridFull Stack Developer … FintechQuant is urgently looking for a Full Stack Developer to join our high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank based API creation. Our client is a well known broker in the equities space. They are currently building a greenfield trading platform ...

Tech: ASP.NET MVC 5, JavaScript, Angular 2, Entity Framework, WEB API, JQuery, MySQL Challenge: Greenfield Trading platform, API development, Azure development. Firm: Well known FX fintech50 business, City of London, 10 Man flat Dev Team Pay: 65k, Bonus, Pension, Life/Health, Some Flex WorkingASP.NET MVC Developer … FintechQuant is urgently looking for an ASP.NET MVC Developer to join our high profile client. Current challenges include cloud migration, greenfield trading platform development, and bank based API creation. Our client is a well known broker in the equities space. They are currently building a greenfield trading platform ...

Contract Type: Contract The Opportunity We are looking for a talented IdAM Application Developer to join our growing team and support the development, deployment, and operation of critical Identity and Access Management (IdAM) and data processing solutions. This is an exciting opportunity to work across a modern technology stack … looking for candidates with experience in: Python development. JavaScript development. Linux administration experience, particularly Red Hat Enterprise Linux (RHEL) or CentOS. Application development and deployment in enterprise environments. Troubleshooting and supporting applications in production. Working collaboratively within Agile or DevOps teams. Strong analytical, problem-solving, and communication skills. Desirable ...

Contract Type: Contract The Opportunity We are looking for a talented IdAM Application Developer to join our growing team and support the development, deployment, and operation of critical Identity and Access Management (IdAM) and data processing solutions. This is an exciting opportunity to work across a modern technology stack … looking for candidates with experience in: Python development. JavaScript development. Linux administration experience, particularly Red Hat Enterprise Linux (RHEL) or CentOS. Application development and deployment in enterprise environments. Troubleshooting and supporting applications in production. Working collaboratively within Agile or DevOps teams. Strong analytical, problem-solving, and communication skills. Desirable ...

experience and knowledge of AI, is data drivenwith has worked withlarge amounts of datawith the ability to review codeandwill blend expertise in software architecture, development, cloud, end user compute, and production operations with a passion for coaching, mentoring, and developing managers and associates. The goal is to evolve … function, that is both market driven and forward thinking, and to ensure the organisation has the technological capability and capacity to enable the agile development and delivery of new and improved products to provide stronger client experiences. You will actively bring new ideas, approaches, and insights to improve ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Tech: C# 5, Visual Studiuo, AWS, Angular. JS, Bootstrap, Docker Challenge: Greenfield Financial platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 30 man flat Dev Team Pay: 70k, Bonus- training budget, Pension, Life/Health, Some Flex WorkingC# Lead Developer FintechQuant Capital … Lead Developer MUST have: Degree ideally Comp Sci Proven practical knowledge and understanding of Object Orientation, SOA, design patterns like IoC and the Agile development practices Strong commercial experience of Microsoft development tools, including Visual Studio 2013 or higher and C# with .NET Framework 4.5.2 or higher Demonstrable ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

Looking to start a career in Software Development? We are offering a structured pathway into Software Development, designed to help you enter the tech industry with no prior experience. This opportunity includes training, support, and access to our specialised recruitment support for job roles across the UK. … support you into employment ITOL Recruit has over 15 years of experience supporting candidates into roles across coding, programming, and software development roles. From the beginning of your journey to the end, you are supported by qualified tutors, and at the end, our specialised recruitment team helps you secure ...

your peers on technical direction within your team Required experience Core Software Engineering such as: JavaScript frameworks (React, NextJS), TypeScript, Python or Java REST API development/OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. … working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

inside IR35 - Umbrella only Required skills Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud native design. C#, .NET 10, REST API development, and enterprise backend engineering. Frontend development with TypeScript, JavaScript or NHS Digital Design System components. Confident and experienced … development agents and tools in daily workflow. Strong understanding of clinical workflows, interoperability patterns, and NHS technical constraints. Experience with regulated healthcare or medical device software (ISO 13485, ISO 14971, IEC 62304). Experience with national NHS APIs such as GP Connect, PDS, PDM, SCR, or BARS referrals. ...

engineering with DevOps enablement and hands-on integration of LLM technologies into secure, scalable enterprise environments. The ideal candidate will bring practical GenAI & Agentic development experience, strong automation skills, and the curiosity to solve emerging engineering challenges in this rapidly evolving space. Key Responsibilities Build and maintain Back … benchmarking, evaluation, and experiment tracking for LLM performance and cost. Contribute to RAG implementations and data access patterns supporting enterprise use cases. Help shape API standards, reusable patterns, and documentation for platform adoption. Troubleshoot and optimise performance across distributed systems and cloud services. Mandatory Skills & Experience Strong Python Back ...

strategy workflows, calculations, controls, and operational processes. Collaborate closely with peer Quant, Trading, Structuring, Sales, Risk, and Technology teams globally throughout the full development lifecycle. Your Career ComebackWe are open to applications from career returners. Find out more about our program on ubs.com/careercomeback. The teamYou will join … solutions to complex business challenges. Strong communication and stakeholder management skills. Interest in quantitative investment products and strategy lifecycle management. Software Engineering Strong Python development skills with experience building production-quality applications. Strong understanding of software engineering principles, including data structures, algorithms, software design, API development, testing ...