576 to 600 of 678 Front End Development Jobs

python developer in compliance technology

Location
Greater London, England, United Kingdom
operational efficiency across the NHS and wider regulated industries. Задачи Design and develop scalable, cloud-native applications Work across the full software development lifecycle, from architecture and backend services through to frontend development, CI/CD and Azure deployment Collaborate with the founding team ...

C# Software Engineer Full Stack

Hiring Organisation
Client Server
Location
Bracknell, Berkshire, UK
Employment Type
Full-time
services company as they rebuild the international payments platform, working within the Corporate Payments division. As a C# Software Engineer you'll own features end-to-end, from API and service design through to frontend delivery and production including designing and developing scalable backend services and APIs using … from home most of the time, joining colleagues in the Bracknell office twice a week. About you: You have strong C# .Net backend development experienceYou have strong API, system design and distributed systems knowledgeYou have experience with SQL and relational databasesYou also have a good knowledge ...

Mid & Senior Java Developers

Location
Belfast City District, Northern Ireland, United Kingdom
digital transformation, they are growing their software team and looking for an experienced Senior Software Developer to help drive the next phase of development across a large-scale cloud platform used daily by thousands of users. If you're looking for a role where you'll influence … scalability, and helping establish engineering best practice as the organisation continues to grow its internal capability. You'll have exposure across the full development lifecycle, working closely with product stakeholders to solve real business problems while contributing to architectural decisions and continuous improvement. What You'll Bring ...

Full Stack Engineer + AI / AI Tooling BetterMe Responds Quickly $$$$

Location
United Kingdom
improve product features, enhance content management systems, and contribute to the reliability and scalability of our applications. The role combines backend and frontend development with product ownership and the use of AI-assisted coding tools to support faster, high-quality delivery. **Your impact:*** Implement and enhance features … management systems using React, Vue, and JavaScript, dedicating approximately 50% of your time to frontend tasks and leveraging AI-assisted tools to accelerate development where appropriate.* Write clean, secure, testable, scalable, and well-documented product or system code.* Actively participate in multiple aspects of the SDLC, including ...

C# Software Engineer Full Stack

Location
Bracknell, England, United Kingdom
services company as they rebuild the international payments platform, working within the Corporate Payments division. As a C# Software Engineer you'll own features end-to-end, from API and service design through to frontend delivery and production including designing and developing scalable backend services and APIs using … from home most of the time, joining colleagues in the Bracknell office twice a week. About you: You have strong C# .Net backend development experience You have strong API, system design and distributed systems knowledge You have experience with SQL and relational databases You also have ...

Principal Full Stack Software Engineer

Hiring Organisation
Profile 29
Location
United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Principal Full Stack Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Machine Learning Engineer, AI (SFIA 3)

Location
Cheltenham, England, United Kingdom
with machine learning frameworks (e.g. Pytorch) to build, train, evaluate, and deploy models. Version Control: Proficiency with Git for version control and collaborative development is required. Containerisation: Familiarity with Docker is required to package, deploy, and run applications across environments. Additional/Welcome Skills (nice to have … Frontend Development: Experience with frontend technologies, specifically JavaScript and React, to help build interactive user interfaces for our prototypes. Cloud Services: Experience working with cloud platforms (e.g., AWS, Azure, GCP). Systems/Backend Languages: Familiarity with other languages used for high-performance backend or ML workloads ...

Mid-level Shopify Frontend Developer

Location
Exeter, England, United Kingdom
with 1–2+ years of hands‐on experience working with the platform. You’ll be focused on from‐theme builds and custom theme development on Shopify Store 2.0, delivering elegant, scalable solutions for our clients. You’ll work alongside developers, designers, solutions engineers, analysts, and project managers … deep in custom section builds; others, you’ll be advising project managers on technical scope, reviewing code, or contributing to our development standards and culture. Responsibilities Build, test, deploy, and maintain performant Shopify themes in line with best practices. Deliver creative technical solutions to support complex ecommerce ...

Software Engineering Specialist

Hiring Organisation
BT Group
Location
Cheltenham, Gloucestershire, United Kingdom
Salary
£ 70 K
provide the opportunity to work on rare projects, with exciting tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.Why this job mattersWe are looking for an experienced software engineer to join a new multi-disciplined Engineering … opportunity to use the latest technologies & industry best practices.What you’ll be doingUser InterfaceCreate powerful, flexible user interfaces for a technical user baseEngage with end users to understand their needs and design user interfacesSoftware DevelopmentDevelop resilient, well tested codePerform code reviews & work with junior team members to ensure code ...

Principal Full Stack Engineer (Agentic AI)

Location
Cambridge, England, United Kingdom
Role overview Principal Full Stack Engineer (Agentic AI) is responsible for accelerating the development of our Agentic AI platform and applications by understanding and identifying optimal components to address business need, architecting the solution, guiding and mentoring the team, and ensuring quality, reliability and scalability … essential requirements of the job include Strong software engineering capability, primarily in TypeScript (with Python as an additional benefit) with backend and API development skills. Demonstrated ability to design, deploy, and operate production-grade AI systems with focus on reliability, scalability, and performance. Expertise in Agentic ...

Principal Full Stack Engineer (Agentic AI)

Hiring Organisation
Danaher Corporation
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 70 K
impact on society.Learn about the Danaher Business System which makes everything possible.The Principal Full Stack Engineer (Agentic AI) is responsible for accelerating the development of our Agentic AI platform and applications by; understanding and identifying optimal components to address business need, architecting the solution, guiding and mentoring … essential requirements of the job include:Strong software engineering capability, primarily in TypeScript (with Python as an additional benefit) with backend and API development skills. Demonstrated ability to design, deploy, and operate production-grade AI systems with focus on reliability, scalability, and performance. Expertise in Agentic ...

Senior Software Engineer

Location
City of Edinburgh, Scotland, United Kingdom
End Date Thursday 27 August 2026 Salary Range £63,152 - £94,728 We support flexible working – Flexible Working Options Hybrid Working, Job Share Job Description Summary. Job Description JOB TITLE: Senior Software Engineer SALARY: £63,152 - £80,000 LOCATION: Edinburgh HOURS: Full-time WORKING PATTERN: Hybrid – spend at least … application technologies. Distributed ledger technologies (DLT), blockchain or DAML. Google Cloud Platform (GCP) or other public cloud platforms. React, TypeScript or modern frontend development frameworks. Experience working on globally distributed or high-scale payment platforms. Knowledge of payment processing, digital assets or financial services technology. About working ...

Java Web Engineer

Location
Greater London, England, United Kingdom
long term contract in London (City - 3 days onsite pw) The role Join a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and web UI, working closely with architects and frontend developers. What you'll need Strong ...

Senior AI Product Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Product Engineering to build and scale the product from the ground up. Key responsibilities include: Building and shipping AI-powered products end-to-end using LLM technologies. Owning and scaling the retrieval-augmented generation (RAG) and AI application layer. Developing secure, production-grade systems including guardrails, evaluation frameworks ...

Founding Engineer Python API LLM - Start-up

Hiring Organisation
Client Server
Location
London, UK
Employment Type
Full-time
impact while working alongside experienced founders in a highly collaborative environment. As a Founding Engineer, you'll take ownership of the design and development of scalable, cloud-native applications, working across the full software development lifecycle, from architecture and backend services through to frontend … development, CI/CD and deployment on Azure. You'll collaborate closely with the founding team to influence technical direction, solve complex engineering challenges and establish the engineering practices that will underpin the company's future growth. You'll work primarily with Python and TypeScript, leveraging ...

Founding Engineer Python API LLM - Start-up

Location
Greater London, England, United Kingdom
impact while working alongside experienced founders in a highly collaborative environment. As a Founding Engineer, you'll take ownership of the design and development of scalable, cloud-native applications, working across the full software development lifecycle, from architecture and backend services through to frontend … development, CI/CD and deployment on Azure. You'll collaborate closely with the founding team to influence technical direction, solve complex engineering challenges and establish the engineering practices that will underpin the company's future growth. You'll work primarily with Python and TypeScript, leveraging ...

Senior Backend Engineer

Location
United Kingdom
bring Strong proficiency in Rust & Typescript (ideally both) Experience building performant backend services, APIs and libraries at production scale Practical experience in Web3 development e.g. Ethereum JSON‐RPC, Viem/Ethers, Contract ABIs, call encoding/decoding etc Good knowledge of CI/CD, service deployments, containerisation … Understanding of ERC‐4337 smart wallet patterns e.g. EOA vs AA concepts, multisig basics, validation flows, bundlers/paymasters Experience with frontend development in React (or similar) Experience with iOS development or mobile development using React‐Native Experience developing and maintaining ...

Team Lead Ruby / Frontend Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
edge applications. Current UI is external and they have done a pretty good job. The Lead Frontend Developer will also be responsible for: Development Strategy and architecture Designing and developing new applications working in collaboration with existing team members To design and help implement a REST … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. My client is based in Central LondonJavascript CSS HTML ...

C# ASP.NET Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
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 … brand new 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 ...

PHP Developer (f/m/d)

Hiring Organisation
HEROLD Business Data GmbH
Location
Wien, Austria
Employment Type
Permanent
Salary
EUR Annual
core business platforms, where reliability and the ability to diagnose production issues are as important as delivering new functionality. Application Development & Maintenance: You maintain, develop, and continuously improve business-critical web applications. This includes existing legacy applications and newer components. You will work on new features, technical … improvements, modernization, and the reliable operation of our systems. Backend & Frontend Development: You primarily develop backend solutions in PHP and Symfony and implement smaller frontend changes where required. Legacy Application Development: You work confidently with established and legacy codebases. You analyze existing implementations, understand ...

Frontend HTML5 Developer- Slough

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. Frontend Developer must have: (Below also shows tech stack) • Proven … experience in the development of web applications. (ideally high demand) • Expert in developing web applications using JQuery, JavaScript, HTML, CSS, ASP.NET, C#, Visual Studio, T-SQL and SQL Server • Some Javascript development experience • A broad technological understanding of languages, frameworks, design patterns and architectural ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Ruby Developer - Full Stack, Rails Javascript, TDD

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Linux AWS with some Angular. JS and Node. JS in parts. Ruby Developers must have: Educated to degree level or equivalent5 years commercial development experience ideally purely in RubyExperience designing and building Rails applicationsRubyJavascriptWorking knowledge of LinuxUnderstanding of Applications on AWSExperience with mobile applications would be beneficialCurrently … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. My client is based in Central LondonRuby, Java, Ruby ...