Software Developer jobs in Crawley

Optiver is looking for a Software Engineer to join our Developer Experience team. This team is crucial in building the tools and platforms that power our development workflows, enabling our engineers to work fast and with confidence. You’ll be responsible for building the infrastructure, tooling and

LinuxRecruit

£8,333 - £10,000 /year

The giants of cybersecurity didn't just build a new company; they invented an entire market. Today, that market is worth £22 billion, and the rocket ship they built to lead it is currently docking in London! Quietly assembling an elite, newly formed engineering squad. This isn't a team that maintain

FlexTrade Systems is a provider of customized multi-asset execution and order management trading solutions for buy- and sell-side financial institutions. Through deep client partnerships with some of the world's largest, most complex and demanding capital markets firms, we develop the flexible tools

Job Summary We are seeking a highly skilled and motivated Software Engineer to join our dynamic development team. The successful candidate will be responsible for designing, developing, and maintaining innovative software solutions across various platforms. This role offers an excellent opportunity

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Embark on a transformative journey as a Software Engineer/Python Developer . At Barclays, our vision is clear – To design, develop and improve software, utilising various engineering methodologies,

Description Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team that w

JOB DESCRIPTION Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorganChase within the Equities Sales and Trading Technology, you are an integral part of an agile team th

Viridien ( www.viridiengroup.com ) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and resp

Senior Software Developer in Test - Appvia - UK Security Clearance eligibility required Location: London, UK (Hybrid - ~1 day per week in office) Contract: Permanent, Full-time Package: £70,000 - 80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, p

Job Description Our client is a fast-growing technology company delivering innovative, enterprise-grade solutions. They are looking for a Senior Full Stack Engineer to join their dynamic engineering team and work on production-critical applications with impact. Role Overview You will be responsible

Senior Software Developer / Software Engineer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. What's in it for you: Salar

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

Graduate Software Developer About Reply: Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud co

Date live: 16/04/2026 Business Area: Corporate Digital Banking Area of Expertise: Technology Contract: Permanent Reference Code: JR-0000079083 Embark on a transformative journey as a Software Engineer/Python Developer . At Barclays, our vision is clear – To design, develop and improve software, util

Company Description Established in 2009, Crew à la Mode is an apparel and lifestyle agency, supplying luxury performance clothing and lifestyle solutions for super yachts, private aviation, hotels, villas and private residences globally. Based in our London Head Office, our project management team m

Viridien (www.viridiengroup.com) is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. With our ingenuity, drive and deep curiosity we discover new insights, innovations, and solutions that efficiently and respon

Marex

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across fo

FX Digital

Build the future of Test Automation for Connected TV Role We're looking for a Mid-level Software Developer in Test to join our Quality Engineering team at FX Digital. This is a hands-on role for a genuinely self-driven engineer who cares deeply about the work they do and loves being part of a team.

🎓 Graduate Software Developer / Quantitative Developer / Quantitative Researcher 📍 Location: London (Hybrid) 💷 Compensation: Up to £180,000 + Bonus + Benefits 🏢 Client: Prestigious Fund 🚀 Kickstart Your Career in Technology & Quantitative Finance Just graduated and ready to launch your care

WDR Ltd

Location: Horsham (In-person, with potential for occasional hybrid working after probation) Salary: £40,000 - £65,000 Job Type : Full-time Schedule: Monday to Friday About WDR Limited WDR is a bespoke learning and development consultancy, delivering innovative learning solutions across multiple sect