201 to 225 of 300 Senior Developer Jobs in the UK

Senior Full Stack Developer

Hiring Organisation
BAE Systems
Location
Gloucestershire, United Kingdom
Employment Type
Full Time
connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Senior Full Stack Developer Location: Bristol Grade: GG11 Referral Bonus: £5000 As a key member of a Software Engineering team, you’ll be working … scalability, and security Participate in code reviews when needed Stay current with emerging technologies and tools Required Experience Proven experience as a full stack developer Strong proficiency in using JavaScript/TypeScript, NodeJS and ReactJS Solid back-end development skills using Node.js and frameworks Experience of leading a team ...

Senior Siebel Developer

Hiring Organisation
CGI
Location
Surrey, United Kingdom
Employment Type
Full Time
inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Siebel Developer Position Description CGI's Space, Defence and Intelligence business unit delivers complex, mission-critical systems that help keep the UK safe … clearance. This is a hybrid position with travel to our Leatherhead office. Your future duties and responsibilities We are looking for an experienced Siebel Developer to join a growing team supporting a highly customised, business-critical solution for a major Defence client. This is a hands-on technical role ...

Senior FX e Trading Java Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£843 - £1,000 per day
Contract Role – Senior FX e-Trading Java Developer – London/Hybrid – 12 months initial – Inside IR35 PAYE Role Overview: Job Title: Senior FX e-Trading Java Developer Location: Hybrid – 4 days onsite per week in London Contract Type: Contract Duration: 12 months initial Rate … desktop container experiences to low-latency backend services. Lean into the latest AI coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Architect and implement scalable, event-driven, and microservices-based backend components, including APIs, market data, order/risk workflows ...

Senior Java Developer - eTrading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Location London, Hybrid Role Type 12 Month Contract Rate £700 - £800 per day Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing and enhancing low‐latency components within an electronic trading (eTrading ...

Senior Full-Stack Developer / Technical Lead — National Addressing & GIS Platform (D.A.S)

Hiring Organisation
Look and Sell Better Marketing Agency
Location
United Kingdom
Senior Full-Stack Developer/Technical Lead — National Addressing & GIS Platform (D.A.S) Location: Djibouti (on-site, hybrid, or remote with strong EAT/GMT+3 overlap) Type: Full-time or long-term contract Project: Djibouti Address System (D.A.S) — national digital addressing, mapping & postal logistics platform Reports to: Project owner … serious MVP and expanding from there, and we want a technical leader who can own the architecture from day one. The role As Senior Full-Stack Developer/Technical Lead, you will architect the platform, set the technical direction, and lead delivery of the MVP. You will personally ...

Senior Java Developer: Lead & Scale High-Performance Apps

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in Java, Spring, Hibernate, and experience with ...

Senior Front End Developer (React/ TypeScript/ Python/ Azure)

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
Title: Senior Front-End Developer (React/TypeScript/Python/Azure) Role Type: Contract Contract Length: 3 months initial Location: UK based (Onsite once a week in London) Summary Our client is looking for a Senior Front-End Developer to build modern, secure and high ...

Senior Full Stack Developer

Hiring Organisation
Charles Jenson Recruitment Ltd
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
building a sophisticated CRM and Asset Management platform from the ground up, and we need a Senior .NET Developer to take total ownership of the backend. You’ll be one of two developers in a tight knit team, working alongside a Front-end specialist. This isn't just … LLMs). Security: Implementing robust authentication via JWT, OAuth 2.0, and ASP.NET Core Identity. Other Requirements: Autonomy: You are comfortable being the sole backend developer, making architectural decisions. Problem Solver: You know when to use a relational schema and when to lean on NoSQL for speed and flexibility. Collaborator ...

Senior Front End Developer

Hiring Organisation
Mitsubishi Electric – UK
Location
Hatfield, England, United Kingdom
impact for a smarter, sustainable future. Want to know more about the company? Take a look here: MITSUBISHI ELECTRIC UNITED KINGDOM Role summary: A Senior UI Developer responsible for designing, building, and evolving scalable, high-quality user interfaces across web and mobile platforms. They lead front-end architecture ...

Senior Games Developer - PixiJS

Hiring Organisation
Harvey Nash
Location
England, United Kingdom
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 … 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. ...

Senior Java Developer - eTrading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Location: London, Hybrid Role Type: 12 Month Contract Rate: £700 - £800 per day Delta Capita is seeking a highly skilled Senior eTrading Developer to join our clients Global Markets Technology practice. This role will focus on developing and enhancing low‐latency components within an electronic trading (eTrading ...

Senior Software Developer - Relocation supported

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
Newcastle Upon Tyne, England, United Kingdom
Senior Software Engineer (C# .NET) | FinTech | Newcastle (Onsite) | Up to £150K depending on experience. If you’re a strong C# engineer stuck in large, slow-moving environments or London burnout you’ll likely find this a very different proposition We’re working with a rapidly scaling FinTech startup building ...

Senior Oracle Developer

Hiring Organisation
IT Talent Solutions
Location
Slough, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
established client is looking for a Senior Oracle Developer to join their growing team. The successful candidate will need to have approximately 10 years plus of solid Oracle PL/SQL development skills gained within large scale information systems environments with a good understanding of configuration management. Financial ...

Senior ServiceNow Developer

Hiring Organisation
Deutsche Bank
Location
City and Borough of Birmingham, United Kingdom
Employment Type
Full Time
myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Position Overview You will play, as a Senior ServiceNow Developer, a vital role in configuring and customising the ServiceNow platform for ITSM, ITAM, ITOM, GRC modules within ServiceNow. You will develop ...

Senior iOS Developer (Contract)

Hiring Organisation
La Fosse
Location
City of London, London, United Kingdom
Senior iOS Engineer (Contract) | 2-Day Hybrid | £425PD (Outside) I am looking for a Senior iOS Engineer to join a team on a contract basis to help develop and enhance high-traffic, customer-facing iOS applications. The ideal candidate will be passionate about building high-quality mobile experiences ...

Senior Backend Developer ( Go/Java) JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
Senior Backend Engineer (Go/Java) - Exciting NEW Exclusive OchoX FDI - Remote first company Salary circa £100k+ bonus + benefits Please note candidates should reside in Northern Ireland to be eligible to apply. About the Company: Our client is a fast-growing SaaS organisation. Their AI powered technology helps … high-impact environment for backend engineers who want to shape the cloud-native systems behind a category-defining product. The Role: This is a Senior Backend Engineer position ideal for experienced engineers who enjoy building high-performance, cloud-native systems at enterprise scale. You'll take ownership of core ...

Senior Full Stack Software Developer

Hiring Organisation
Corpay
Location
Central London, London, United Kingdom
Employment Type
Permanent
reach and stability of a global financial services business. To learn more, visit Payments.corpay.com/cross-border. Role Overview: We are looking for a Senior Full Stack Software Developer to help evolve the platforms that power Corpay Cross-Borders international payments and foreign exchange capabilities. This ...

Senior C++ Developer

Hiring Organisation
BAE Systems
Location
Manchester, United Kingdom
Employment Type
Full Time
understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments. Job Title: Senior C++ Developer Location: Manchester (Onsite working) Who we are Join BAE Systems and you’ll be part of something bigger. As a valued … Role Description Are you passionate about working with cutting edge technology, and self-motivated to deliver exciting new capabilities? Are you an experienced C++ developer who likes a challenge and is keen to keep your skills current and even cross train into new technologies? As an experienced C++ Developer ...

Senior Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TradingHub combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Senior Quantitative Developer (VP) to take a leading role in designing, building and validating our pricing models. This includes creating financial pricing libraries ...

Senior Microsoft Dynamics Developer - Hybrid

Hiring Organisation
Celon Group Limited
Location
South East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65,000
Celon is seeking a Senior Microsoft Dynamics Developerto join our growing team on a 12-month contract, with an immediate start and the potential to extend. This is a hands-on role for someone who can work independently, understand business needs, and translate them into practical, well-structured solutions. … sound technical decisions, challenge requirements where needed, and ensure solutions are scalable, maintainable, and fit for purpose. The Role We are looking for a Senior Microsoft Dynamics Developer to take ownership of the design and delivery of Dynamics 365 solutions. This is a hands-on role for someone ...

Senior Microsoft Dynamics Developer - Hybrid

Hiring Organisation
17918
Location
London, United Kingdom
Celon is seeking a Senior Microsoft Dynamics Developerto join our growing team on a 12-month contract, with an immediate start and the potential to extend. This is a hands-on role for someone who can work independently, understand business needs, and translate them into practical, well-structured solutions. … sound technical decisions, challenge requirements where needed, and ensure solutions are scalable, maintainable, and fit for purpose. The Role We are looking for a Senior Microsoft Dynamics Developer to take ownership of the design and delivery of Dynamics 365 solutions. This is a hands-on role for someone ...

Senior .NET Developer

Hiring Organisation
Avanti Recruitment
Location
SL0, Iver Heath, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from ...

Senior .Net Full Stack Developer

Hiring Organisation
Creative Recruitment
Location
Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
looking for an experienced Senior .NET Full Stack Developer to join a high-performing development team working on scalable, high-traffic digital products. You will have a Mobile-First development mentality and be comfortable with tools such as Elastic Search, Rollbar, Jira etc as well as having ...

Senior .NET Developer (Winforms migration)

Hiring Organisation
Avanti Recruitment
Location
SL0, Iver Heath, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
technology-led business based in Slough, that is undergoing a major systems transformation. As part of this programme, they are looking to hire a Senior .NET/C# Developer to play a key role in evolving a large-scale legacy platform and supporting its transition from ...

Senior CRO Front-End Developer

Hiring Organisation
Hookflash
Location
Greater London, England, United Kingdom
innovation, learning and development. We're looking to eradicate Sunday Blues from our team’s vocabulary. The Role We’re seeking a skilled Senior Front-End Developer (CRO) with at least 2 years of relevant experience to join our Experimentation team and help us deliver best-in-class … website testing services for our clients. As a Senior Front-End Developer (CRO), your primary responsibility will be to take ownership of bringing “variation experiences” to life for our clients. Working closely with analysts, strategists, and designers, you’ll build high-quality test variations that help solve user ...