262,481+ Software Engineer Pythonjava Jobs in UK — Top Companies Hiring June 2026

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Senior Software Engineer

Python Engineer (Core Trading Platform | Front Office) £80,000-£120,000 base salary plus strong package London - Hybrid We’re hiring Python Engineers to join a front office-facing platform build within a tier-one financial services organisation - this is a green ...

Senior Software Engineer

Location London Address London, London Employment Type Full time Location Type Hybrid Department Engineering ...

Senior Software Engineer

About Echobox We are a fast-growing, research-driven company building an artificial intelligence that helps online publishers overcome the challenges they face every day. Using novel AI, we are revolutionising the publishing industry and have a track record of building things that others have rul ...

Senior Software Engineer

Senior Software Developer – Advanced Security & Platform Internals We are seeking an experienced software developer to collaborate closely with a team of vulnerability researchers, tackling complex technical challenges that have real‑world impact. Our research group investigates security we ...

Senior Software Engineer

About the Company: Our client is a thriving B2B FinTech with a market leading product aimed at selling infrastructure to Financial Services firms, transforming how consumers manage their money. This is a fantastic opportunity to join the engineering team during an exciting phase of development. < ...

Android Software Engineer

About The Role A1 is building a proactive AI system that users rely on daily across conversations, tools, and workflows. As an Android Developer, AI Apps, you own the Android client experience, how AI feels, behaves, and performs on mobile devices. This is not a thin client role. You will build a ...

Senior Software Engineer

Senior Software Engineer (.NET / C#) | Greenfield Systems Rebuild | Remote | £80,000–£100,000 This is a hands‑on senior engineering role with real technical authority. You will be the lead engineer and technical decision‑maker on a greenfield rebuild of a mission‑critical system, working wit ...

Senior Software Engineer

We are seeking a Senior Software Engineer to help us redefine the music industry. We've invented a new technology to produce on-demand vinyl records and built a web platform for music creators to create and sell their products worldwide via our store at zero cost. We partner with leading record labels, str ...

Senior Software Engineer

Job Summary Senior Software Engineer required by an established technology company located in Staines. Hybrid working - three days per week in the office. Spectrum IT Recruitment provided pay range This range is provided by Spectrum IT Recruitment. Your actual pay will be ba ...

Senior Software Engineer

Company: CACI LtdLocation: City of Bristol, England, United Kingdom Senior Software Engineer We are the Information Intelligence Group (IIG) of CACI UK, a specialist software consultancy providing bespoke solutions to solve complex operational problems. As our business continues to g ...

Senior Software Engineer

Overview TieTalent — Senior Software Engineer — Southampton, England, United Kingdom This role emphasizes embedded development and offers opportunities to work on cutting-edge technology addressing real-world challenges in sectors including customs, border protection, law enforcement, milit ...

Senior Software Engineer

Senior Software Engineer Department: Engineering Employment Type: Full Time Location: London Description Hybrid: 2 days per week in our Tower Bridge office Tempcover are at the forefront of the fast-growing world of short-t ...

Senior Software Engineer

Location: Hybrid / Tadcaster LS24, UKJob type: Permanent / Full-timeSector and subsector: Engineering | DesignSalary: Negotiable salary Senior Software Engineer Tadcaster, UK Purpose of the Role To design, implement, ...

Senior Software Engineer

Apply as a Senior Software Engineer at Lloyds Banking Group Base pay range This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Hours Full time Worki ...

Senior Software Engineer

Senior Software Engineer Department: Engineering Employment Type: Full Time Location: London Description Hybrid: 2 days per week in our Tower Bridge office Tempcover are at the forefront of the fast-growing world of short-t ...

Senior Software Engineer

£79,000 - £94,000 + Equity | Hybrid (1 day per week in London) We're partnering with a high-growth AI technology company who are already backed by leading venture capital investors and experiencing significant commercial traction, the business has achieved: Enterprise deployments ...

Senior Software Engineer

Senior Associate Director - Oliver Bernard / Organiser of CTO/Leadership Roundtable's Software Developers - Newcastle - 5 days a week in the office - Greenfield OB has partnered with a leading financial company to look for multiple developers to work on greenfield projects. < ...

Senior Software Engineer

Overview About Echobox: We are a fast-growing, research-driven company building an artificial intelligence that helps online publishers overcome the challenges they face every day. Using novel AI, we are revolutionising the publishing industry and have a track record of building things that others ...

Senior Software Engineer

Ctrl Alt is designing and operating the on-chain infrastructure powering digital capital markets globally. We bring together a unique blend of expertise in financial markets and cutting‑edge in‑house technology to deliver tailored, compliant solutions in the alternative assets space. Since launching in 202 ...

Senior Software Engineer

About Blaize Blaize is building a hybrid AI platform engineered to support edge-to-cloud intelligence at scale—delivering efficient, scalable AI designed for complex, multimodal workloads across industries. We serve critical infrastructure sectors including smart city, defense, retail, manufacturin ...

Senior Software Engineer

eflow Global is a leading provider of cloud-based RegTech solutions. After a successful funding round and a strategic shift to a fully SaaS model, we’re entering an exciting phase of rapid expansion and innovation. About the Role We’re looking for a motivated and experienced Software Engi ...

Senior Software Engineer

Ready to work somewhere that cares more about how you build software than how fast you can ship it? At Opencast, we don’t measure developers by the number of tickets you complete. We care about engineering craft, clean design and thoughtful problem-solving. Opencast consultants deli ...

Senior Software Engineer

Senior Software Engineer City of London, United Kingdom Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This role provides the perfect opportunity to launch your career in a wel ...

Senior Software Engineer

This role is a perm position. Clearance: DV Location: Portsmouth - 3 days a week onsite. Requirements Senior hands‑on engineer for complex maintenance and upgrade work across the primary languages and interop patterns used (e.g., Python with C/C++ bindings; MATLAB/Si ...

Software Engineer .NET

Overview Join to apply for the Software Engineer .NET role at Dojo We’re reinventing payments. In less than four years, Dojo disrupted the market to become the largest and most loved acquirer in the UK. Our payments infrastructure, purpose-built for in-person commerce, is ga ...

Senior Software Engineer

Overview This range is provided by Harrington Starr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Harrington Starr Location City of London (On-site) </ ...

Senior Software Engineer

An exciting new role with a multinational underwater engineering provider, serving the commercial and defence markets to provide software engineering design solutions and through life engineering support to the commercial & defence product ranges working as the technical lead for the software engineering t ...

Senior Software Engineer

Senior Software Engineer – Health Technology (Cambridge, Hybrid) Location: Cambridge (hybrid) We’re partnering with an organisation at the forefront of developing cutting‑edge technology that’s redefining how we understand and approach human health. They’re looking to bring a skil ...

Senior Software Engineer

Join a dynamic and innovative team at Spydr, where creativity meets technology. We're a leading digital agency in Bristol, specialising in providing comprehensive managed products and website development services to a diverse range of clients. Our mission is to deliver high-quality, scalable, and user-frie ...

Senior Software Engineer

Join to apply for the Senior Software Engineer role at Lloyds Banking Group . 3 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. This range is provided by Lloyds Banking Group. Your actual pay will ...

Senior Software Engineer

Overview Senior Full Stack Engineer | TypeScript, Node.js & React | Salary £58-68k | Hybrid (one day a week in Bristol) I’ve got an amazing opportunity for a Mid-Senior Engineer to join a sustainability tech company based in Bristol. I’m excited about this role as i ...

Senior Software Engineer

Overview Relay is fundamentally reshaping how goods move in an online era. Backed by Europe’s largest-ever logistics Series A ($35M), Relay is scaling faster than 99.98% of venture-backed startups. We’re assembling the most talent-dense team the logistics industry has ever seen. < ...

Senior Software Engineer

hackajob is collaborating with National Physical Laboratory (NPL) to connect them with exceptional professionals for this role. About the Role At UKTL, your work directly strengthens the UK’s technological, cyber, and national resilience. You’ll collaborate with expert eng ...

Senior Software Engineer

Raytheon UK have a full time, permanent opportunity for a Senior Software Engineer to join our specialist teams in Manchester, Gloucester or London working fully onsite. As Senior Software Engineer, you'll be part of our experienced Software Engineering function, working in a cross-functional team, ...

Senior Software Engineer

About the Company Capital on Tap is a financial platform that offers a best‑in‑class business credit card, spend management platform, savings product, and other tools to help small businesses. The company has 1,000+ employees and handles £20bn in annual card spend. Role Overview <p ...

Senior Software Engineer

Our Mission At Carbon Re, we’re on a mission to cut gigatonnes of carbon emissions from the world’s biggest emitting industries, like cement, steel, and glass, by applying cutting‑edge AI where it matters most. We’re a small and growing team of scientists, engineers, and strategic thinkers who ca ...

Senior Software Engineer

About Centric Software:Centric Software is a global leader, providing an innovative and AI-enabled product-concept-to-commercialization platform for retailers, brands and manufacturers of all sizes. We equip retail, fashion, luxury, footwear, outdoor, home and consumer goods brands with pioneering best-of-breed ...

Senior Software Engineer

About Us Bauer Media is a leading media business reaching millions of people across Europe through audio, digital, and out of home advertising. We’re behind well known brands including Kiss, Absolute, Magic, Grazia, and Empire. Within our Outdoor division, we connect audiences through tho ...

Senior Software Engineer

About Us At UnlikelyAI, we are building the future of AI: one that is reliable, accurate, and transparent. Our neurosymbolic technology harnesses the power of LLMs and generative AI, and combines it with Universal Language – our proprietary symbolic technology that bridges the gap between probabi ...

Senior Software Engineer

About Meridial Meridial is a Focused Research Organisation (FRO) with a mission to bring connectomics into the living brain. We are building a platform for longitudinal, synapse‑resolution mapping of functional neural circuitry in preclinical models. Our aim is to deploy this platform for translati ...

Senior Software Engineer

Senior Software Engineer page is loaded## Senior Software Engineerlocations: Londontime type: Full timeposted on: Posted Todayjob requisition id: JR0572Job Advert Summary**Mission Statement & Summary**NewDay is one of the UK's leading digital consumer finance providers. We're on a mission to help people ...

Senior Software Engineer

Mission Statement & Summary NewDay is one of the UK's leading digital consumer finance providers. We're on a mission to help people move forward with credit, supporting over 6 million customers every day! You may have heard of our own brand credit cards like Aqua, Marbles or Bip , ...

Senior Software Engineer

Location London Address London, London Employment Type Full time Location Type Hybrid Department Engineering ...

Senior Software Engineer

• London | Hybrid working (2–3 days office) Our client is a fast-growing payments technology company who are transforming their sector. Due to continued platform growth and global demand for their technology, they are expanding their engineering team with a Senior Full Stack .NET Enginee ...

Senior Software Engineer

Company At DigitalGenius (DG), we are using AI Agents to transform customer experience for ecommerce brands. With a proprietary approach to agentic AI, we have a unique opportunity to become the undisputed leader in our industry. We’re looking for excellent candidates to join our ...

Senior Software Engineer

Overview Minute Media is a global technology and content company built for the future of sports consumption. Minute Media's proprietary technology platform enables the creation, distribution and monetization of digital content experiences, which powers Minute Media's portfolio of trusted content b ...

Senior Software Engineer

At Legend, we're building next-level player experiences. With 20+ years of proven success we’re the world's leading Sports and Gaming marketing company. Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and win together. Here growth isn’t a perk, i ...

Software Engineer Menu

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, loyalty and guest engagement solutions enable brands to do more with less and make ever ...

Software Engineer Java

Are you ready to write your next chapter?Make your mark at one of the biggest names in payments. With proven technology, we process the largest volume of payments in the world, driving the global economy every day. When you join Worldpay, you join a global community of experts and changemakers, working to reinve ...

Software Test Engineer

This range is provided by IC Resources. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from IC Resources Embedded Software & Cryptography Recruitment | Assisting Embedded Software ...

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    Software Engineer Pythonjava Jobs in United Kingdom Job Search Guide, Trends and Insights