1,826 to 1,850 of 3,412 Permanent Developer Jobs

Now Hiring: Junior C# Quantitative Developer | Hedge Fund | London (Hybrid) Are you a talented C# developer with a passion for finance, data, and quantitative problem-solving ? Join a leading hedge fund where technology and mathematics drive every decision. We’re looking for a Junior Quantitative Developer to work alongside experienced quants, traders, and engineers — building and optimizing the systems that More ❯

Senior PHP Developer We're pleased to be working with a growing SaaS company, based in Exeter. They are looking for a Senior PHP Developer to join their Development team. The main focus of the role will be on improving existing functionality within the product admin dashboard and backend as well as developing new features of their product. You will More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for … an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting … development budget Are you looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Senior Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that has been acquired by a leading capital market. They are looking for … an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting … development budget Are you looking for a step up in your career to take on additional responsibilities while remaining technically hands-on? Apply now for this excellent Senior Java Developer opportunity! Please note : Due to compliancy reasons, we will only be able to consider applications based in and eligible to work in the UK. More ❯

Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally by some of the world's leading financial institutions. With … ambitious plans for growth and new product launches, they are now seeking a talented Front End Developer to join their team in Newcastle. As a Front End Developer, you will take ownership of building intuitive, performant, and scalable user interfaces. You will work closely with developers across the stack, as well as directly with end-users, to shape requirements and More ❯

Job Title: Senior Full Stack Systems Developer (Environment) Ref. No.: CJD171025K Location: Based near London Salary: £80,000 - £85,000 This is an incredible opportunity to join my client, an industry-leading, eco-conscious Technology Company, renowned for lending their expertise to Water Quality and Infrastructure projects. They are actively seeking an experienced, capable Senior Full Stack Systems Developer with … of challenging projects alongside an established team of professionals, based just north of the thriving, multicultural Capital City of London. Benefits for the role of Senior Full Stack Systems Developer include (but are not limited to): A highly-competitive salary (commensurate with experience) Performance-related bonuses Contributory Pension Scheme (7% company contribution) Generous annual leave entitlement Private Medical Insurance Scheme … Electric Vehicle (EV) Salary Sacrifice Scheme Responsibilities for the role of Senior Full Stack Systems Developer include: Overseeing a team of technological experts Leading the production and deployment of the company's software products and services across the environmental sector Monitoring the continued maintenance of the company's core products and services Taking responsibility for the long-term quality and More ❯

JavaScript Developer A rapidly growing software delivery company in Brighton is looking for a JavaScript Developer to join their team. Youll play a key role in building, maintaining, and improving client-facing and internal applications, delivering high-quality front-end solutions that help the company deliver exceptional software projects. Working within a collaborative delivery team, youll implement new features, optimise More ❯

Senior Ruby Developer (Contract) – Fintech Scale-Up | Remote (UK-Based) | £500–£600/day We’ve partnered up with a fast-growing fintech company that’s just secured a fresh round of investment and is scaling up! Their mission is to simplify financial services through cutting edge technology, and are looking for a Senior Ruby Developer to join them on … a contract basis to help build the next generation of their platform. The Role: As a Senior Ruby Developer, you’ll be instrumental in building scalable backend systems, improving performance, and contributing to architectural decisions. You’ll work closely with product managers, designers, and other engineers to deliver high-quality features that delight our users. What You’ll Be Doing More ❯

them to lead change and make a real impact on the platform. They've recently brought all development back in-house, and we're now looking for a Senior Developer with strong TypeScript experience to join the team. We have built the whole team and they need one more senior dev to join. You'll be hands-on with development … buzz of a start-up environment without the risk, working alongside a smart, collaborative team that's focused on building things the right way. If you're a passionate developer with a knack for TypeScript and an interest in mentoring others, let's chat. I'm happy to share more about the role and the company. Desired Skills and Experience … them to lead change and make a real impact on the platform. They've recently brought all development back in-house, and we're now looking for a Senior Developer with strong TypeScript experience to join the team. More ❯

I’m working with a fast-growing AI company that’s building scalable infrastructure products and developer platforms for next-generation applications. They’re looking for a Frontend Engineer who’s passionate about crafting clean, high-performing user interfaces and exploring how AI-assisted tools and LLMs can improve developer workflows, automation, and product quality 🚀 You’ll join a small … other relevant LLM development tools Nice to have • Background in data-driven or blockchain-based products • Experience with data visualisation (D3.js, Chart.js) or GraphQL • Interest in performance optimisation and developer tooling 📍 London (Hybrid) 💰 Competitive salary + equity potential If you’re curious about how AI is transforming the way engineers build and scale modern infrastructure and want to be part More ❯

I’m working with a fast-growing AI company that’s building scalable infrastructure products and developer platforms for next-generation applications. They’re looking for a Frontend Engineer who’s passionate about crafting clean, high-performing user interfaces and exploring how AI-assisted tools and LLMs can improve developer workflows, automation, and product quality 🚀 You’ll join a small … other relevant LLM development tools Nice to have • Background in data-driven or blockchain-based products • Experience with data visualisation (D3.js, Chart.js) or GraphQL • Interest in performance optimisation and developer tooling 📍 London (Hybrid) 💰 Competitive salary + equity potential If you’re curious about how AI is transforming the way engineers build and scale modern infrastructure and want to be part More ❯

Role: Appian Developer Location: Iowa (Onsite) Job Summary: We are seeking a skilled Appian Developer with deep hands-on experience across the Appian platform. The ideal candidate will have strong technical expertise in designing, developing, and implementing end-to-end Appian applications. This role requires someone who can work independently, follow best practices, and deliver scalable, high-quality business process … architecture, configurations, and deployment processes. Ability to independently design and deliver complex Appian-based solutions. Excellent communication, analytical, and problem-solving skills. Appian Certification (Appian Certified Associate/Senior Developer) preferred. Nice to Have: Experience working in Agile/Scrum environments. Knowledge of Java, SQL, or other integration technologies. More ❯

Lead Quant Developer – Prague, Czech Republic - 1 year working with team in Prague, then option to work remotely afterwards. 4–5 years’ experience | High Compensation | Relocation Costs Covered Join a leading systematic trading firm with a strong presence across equities and futures. We’re looking for a hands-on Python Quant Developer to lead and expand the centralised back-testing … and research infrastructure that powers all systematic strategies. The Role This position is ideal for someone who began their career as a software developer and has evolved into a quantitative developer, combining deep technical expertise with a strong grasp of trading logic. You’ll take ownership of building and optimising back-testing frameworks , APIs , and algorithmic trading systems , ensuring the More ❯

Lead Quant Developer – Prague, Czech Republic - 1 year working with team in Prague, then option to work remotely afterwards. 4–5 years’ experience | High Compensation | Relocation Costs Covered Join a leading systematic trading firm with a strong presence across equities and futures. We’re looking for a hands-on Python Quant Developer to lead and expand the centralised back-testing … and research infrastructure that powers all systematic strategies. The Role This position is ideal for someone who began their career as a software developer and has evolved into a quantitative developer, combining deep technical expertise with a strong grasp of trading logic. You’ll take ownership of building and optimising back-testing frameworks , APIs , and algorithmic trading systems , ensuring the More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization …/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong Node.js experience (especially for backend/middleware) Deep React.js experience using modern practices and state management Solid understanding of frontend design: usability, accessibility, polished UI Proven More ❯

Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization …/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong Node.js experience (especially for backend/middleware) Deep React.js experience using modern practices and state management Solid understanding of frontend design: usability, accessibility, polished UI Proven More ❯

HTML5 Games Developer - Pixi.JS £60,000-£75,000 Oxford – Flexible/Remote Harvey Nash have partnered with a global business well established within the online gaming/gambling industry who have ambitious growth plans. The company have a wide array of clients ranging from independent gaming studios to the world’s largest online casinos delivered into by teams across UK … Canada, South Africa, and China. The successful Frontend HTML5 Developer will be a key player in producing 3 games a month! The main requirements of the role is to have excellent experience on well-structured frontend architecture. You don't need to have previous industry experience but being collaborative and confident working on multiple projects is important. The role is … expand your leadership capabilities as you progress in the company. The team tend to go into the office once a month. The ideal skillset of the Senior Frontend HTML5 Developer Strong commercial experience working with Typescript and HTML5 Experience with PixiJS, Phaser or other JavaScript gaming/animation frameworks Proficient knowledge of animations techniques using WebGL or Canvas 2D APIs. More ❯

Remote Angular Developer If you love building high-quality web applications with Angular and TypeScript & want to improve online safety for 10s of thousands of people, this role could be for you! You'd join a fast-growth Tech business as an Angular Developer, leading Frontend on platforms whose function underpin UK infrastructure, playing a key role building first-of More ❯

Remote Angular Developer If you love building high-quality web applications with Angular and TypeScript & want to improve online safety for 10s of thousands of people, this role could be for you! You'd join a fast-growth Tech business as an Angular Developer, leading Frontend on platforms whose function underpin UK infrastructure, playing a key role building first-of More ❯

Great opportunity for a Principal .NET Developer to join a SaaS scale-up in Manchester. Since their inception in 2015 this company has grown from start-up to scale-up, they now employ almost 200 people and have over 50,000 clients using their software around the world. The technology department is made up of product teams responsible for developing … way, delivering small increments of value to their customers very frequently. This role sits across the teams responsible for developing their flagship software platform and as a Principal .NET Developer, you’ll be given the opportunity to lead teams that build, test and ship super-fast in an environment where people value engineering best practice, pairing and continuous improvement. Skills More ❯

Software Developer Location: Cheltenham (Hybrid – 1 day per week on-site) Salary: £40,000 – £60,000 per annum (DOE) Benefits: Flexible hybrid working, supportive team culture, and opportunities to explore new technologies Our client, a specialist consultancy, is looking for a Software Developer to join their growing team and contribute to a variety of customer-focused software projects. This is … with customers A proactive approach to problem-solving and collaboration Interest in expanding into new areas, such as mobile development The ideal candidate will be a motivated, hands-on developer who enjoys working in a small, supportive team environment where ideas and innovation are encouraged. Why join? Hybrid working with only one day a week in the Cheltenham office Varied More ❯

Integration Developer - Manchester - Hybird - C#, ASP.NET, SQL, Microsoft Visual Studio, XML, JSON , Azure - £60,000-£70,000 We’re working with a dynamic fintech organisation that’s expanding its engineering team and looking for an experienced Integration Developer to join them. This is a fantastic opportunity to contribute to mission-critical systems in a fast-paced, innovation-driven environment. Looking More ❯

D365 CE Developer Opportunity with a Leading End User! Are you a skilled Dynamics 365 CE Developer eager to take your career to the next level? Our client, a well-regarded End User, is looking for talented developers to join their team and drive impactful digital transformations across various industries. If you're passionate about Dynamics 365, CRM solutions, and … enjoy working in a collaborative environment, this role could be the perfect fit for you! Position: Dynamics 365 CE Developer Salary: up to 60k What You’ll Do: Develop, customize, and configure Dynamics 365 CE solutions. Collaborate with cross-functional teams, including Business Analysts and Project Managers, to ensure seamless integration and functionality. Design workflows, plugins, custom applications, and integrations More ❯

D365 CE Developer Opportunity with a Leading End User! Are you a skilled Dynamics 365 CE Developer eager to take your career to the next level? Our client, a well-regarded End User, is looking for talented developers to join their team and drive impactful digital transformations across various industries. If you're passionate about Dynamics 365, CRM solutions, and … enjoy working in a collaborative environment, this role could be the perfect fit for you! Position: Dynamics 365 CE Developer Salary: up to 60k What You’ll Do: Develop, customize, and configure Dynamics 365 CE solutions. Collaborate with cross-functional teams, including Business Analysts and Project Managers, to ensure seamless integration and functionality. Design workflows, plugins, custom applications, and integrations More ❯

Title: Sr. Java Developer Location: Framingham, MA Duration: Contract Exp. 10+Years Job Description: Digital : Microservices - 10+ years experience required! Digital : Spring Boot - 10+ years experience required! Candidate will be doing hands-on Java Spring boot and Microservices Development Equal opportunity Employer We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge More ❯