Senior Software Engineer

Company IconZaizi
Location IconWhitehall

We are seeking a Senior Full Stack & Systems Engineer to join our Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and API backends for central Mo...Read More>>.

Posted: August 13th, 2026
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Senior Software Engineer

Company IconTyréns AKT
Location IconWhitehall

London Tyréns AKT’s outstanding reputation, stability and growth has attracted the very best professionals with the promise of progressing and expanding their careers. This continued growth has led to the expansion of the company into...Read More>>.

Posted: September 21st, 2026
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Principal Software Engineer

Company IconAccelero
Location IconWhitehall

Principal Engineer (Java) | London (Hybrid) | FinTechFinancial services experience is essential for this one.We're working with a B2B FinTech disrupting the SME lending market. Their SaaS platform is used by over 80 high street ba...Read More>>.

Posted: September 21st, 2026
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C++ Software Engineer

Company IconNew Route Recruitment Limited
Location IconWhitehall

Our platform is the video platform built for live, social and mobile. The cloud-based platform removes the traditional complexities of professional video production and distribution. Our platform works with the world’s largest broadcas...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconStott and May
Location IconWhitehall

Location: London (x3 days a week onsite) Salary: Up to £80k DOE Type: Perm Job Description We are looking for a passionate Senior Java Engineer in London to lead the design and development of...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconSierra Ventures
Location IconWhitehall

About Zeta Global Zeta Global (NYSE: ZETA) is the AI‑Powered Marketing Cloud that leverages advanced artificial intelligence and trillions of consumer signals to make it easier for marketers to acquire, grow, and retain customers mor...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconHarvey Nash Group
Location IconWhitehall

Senior Software Engineer - Node.js, Typescript & AWS | Financial Services Location: London | Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000 About the role: We're looking for a Senior Software Engineer to join our eng...Read More>>.

Posted: September 21st, 2026
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Golang Software Engineer

Company IconVenture Up
Location IconWhitehall

Get AI-powered advice on this job and more exclusive features.This range is provided by Venture Up. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconNorthreach
Location IconWhitehall

Northreach is a dynamic recruitment agency that connects businesses with top talent in cell & gene therapy, fintech, and digital sectors. We specialize in providing a seamless recruitment experience for clients and candidates, fostering innovat...Read More>>.

Posted: September 21st, 2026
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Staff Software Engineer

Company IconKi
Location IconWhitehall

OverviewLook at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers' legs.Ki's mission is simple. Digitally disrupt and revolutionise a 335-year-old mar...Read More>>.

Posted: September 21st, 2026
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Software Engineer, Infrastructure

Company IconHarmonic
Location IconWhitehall

About Harmonic At Harmonic, we are building a mathematical reasoning engine that operates with absolute precision. While most AI makes maximum-likelihood guesses, Harmonic's Aristotle uses Lean4 and reinforcement learning to verify its...Read More>>.

Posted: September 21st, 2026
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AI Software Engineer

Company IconHarrington Starr
Location IconWhitehall

I’m working with an early-stage start-up being built within an established asset management business, creating a new AI-enabled hedge fund.They’re keeping the team deliberately small and are looking for a strong Software Engineer to joi...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconHENSOLDT AG
Location IconWhitehall

Select how often (in days) to receive an alert: The Senior Software Engineer is responsible for the whole or an assigned portion of a design from preliminary specification through to verified software. The Senior Software Engineer provid...Read More>>.

Posted: September 21st, 2026
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Staff Software Engineer

Company IconAmerican Express
Location IconWhitehall

Starling Bank Full Stack Engineer (ML Ops) London, UK FinTech · Banking · Finance A better bank for everyone Active over 6 months ago Responds to 0% of requests Responds in 1h 55m Requests 7 pending Base salary: £70K...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconOmnea
Location IconWhitehall

We’re fixing the most broken process in business. Whether it’s SaaS, hardware, or contractors, a typical B2B purchase drags on for 3+ months, spawns 50+ emails, and pulls in multiple stakeholders across Finance, Legal, Security, and IT. Nob...Read More>>.

Posted: September 21st, 2026
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Lead Software Engineer

Company IconCBSbutler
Location IconWhitehall

Lead C++ Software Engineer - Technical DeliveryLondon - Hybrid | £80,000-£95,000 + bonus and excellent benefitsWhat if your next move gave you more ownership - not just more tickets?I'm working with a growing cybersecur...Read More>>.

Posted: September 21st, 2026
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Java Software Engineer

Company IconMiller Maxwell
Location IconWhitehall

Software Engineer – Systematic Trading - Miller Maxwell is recruiting for an established proprietary trading firm running systematic, algorithmic strategies in futures markets globally. The firm builds its own low-latency trading infrastructu...Read More>>.

Posted: September 21st, 2026
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Staff Software Engineer

Company IconCoMind Technologies Limited.
Location IconWhitehall

At CoMind, we are developing a non-invasive neuromonitoring technology that will result in a new era of clinical brain monitoring. In joining us, you will be helping to create cutting-edge technologies that will improve how we diagnose and trea...Read More>>.

Posted: September 21st, 2026
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Principal Software Engineer

Company IconPalo Alto Networks
Location IconWhitehall

Our Mission At Palo Alto Networks®, we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting‑edge technology and bold t...Read More>>.

Posted: September 21st, 2026
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Java Software Engineer

Company IconBounteous
Location IconWhitehall

Bounteous is a global AI Services firm where agentic engineering and human experience converge to deliver transformative business outcomes for the enterprise. We help organizations design, build, and scale AI-driven products, platforms, and pro...Read More>>.

Posted: September 21st, 2026
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Software Engineer II

Company IconPhoenix Court Group
Location IconWhitehall

MOO brings brands to life in a sustainable way, with a range of remarkable print and merchandise products. We combine design, technology, manufacturing and service, so that people can connect in memorable ways. Not online but out there, in real...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconThe Sun
Location IconWhitehall

Your Team: The Sun is one of the UK's strongest brands and, like all media organisations, is having to adapt rapidly to overcome the uncertainties of a fast-moving digital world. Our website The Sun is more than a newspaper. It is an i...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconFinTop Consulting
Location IconWhitehall

Fintop Consulting has partnered with an AI Health-tech partner based in Central London who is looking to hire a Senior Backend Engineer, who is expertly skilled in Python, AWS and NoSQL databases. This is a very exciting opportunity to join a c...Read More>>.

Posted: September 21st, 2026
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Staff Software Engineer

Company IconFlock
Location IconWhitehall

Discover the leading companies hiring in tech right now Every season cord ranks companies hiring based on their popularity, growth and candidate experience. Surface every relevant position, direct message the people hiring an...Read More>>.

Posted: September 21st, 2026
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Staff Software Engineer

Company IconElyos AI
Location IconWhitehall

About Elyos AIWe’re building the next generation of customer service with AI Agents. Our agents answer calls, reply to emails and WhatsApp messages, make bookings, take payments, and operate the CRM in the same way a human would....Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconTech Talent Partners
Location IconWhitehall

(Python, NodeJS or TypeScript, with React and ideally some AI engineering) Summary This is an exciting team of smart and kind engineers -- and they index for both when hiring. They’re looking for a Senior Software Engineer who...Read More>>.

Posted: September 21st, 2026
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Lead Software Engineer

Company IconSignify Technology
Location IconWhitehall

Overview🚀 Lead Software Engineer - Performance, Scalability & Reliability (AWS) |We’re on the lookout for a hands-on Lead Software Engineer to take ownership of non-functional requirements for one of ou...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconSlope
Location IconWhitehall

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century’s most innovative com...Read More>>.

Posted: September 21st, 2026
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Software Engineer IRC303861

Company IconGlobalLogic
Location IconWhitehall

Working in a permanent feature team, you’ll be developing knowledge of aspects of the associated platform across the disciplines of business, applications, data and infrastructure. You’ll also be liaising with principal engineers, architect...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconKi
Location IconWhitehall

Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers' legs. Ki's mission is simple. Digitally disrupt and revolutionise a 335-year-old...Read More>>.

Posted: September 21st, 2026
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Software Engineer - London

Company IconZopa Bank
Location IconWhitehall

Join to apply for the Software Engineer role at Zopa BankJoin to apply for the Software Engineer role at Zopa BankHello there. We’re Zopa....Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconTroi
Location IconWhitehall

Senior Full Stack Engineer (React, Typescript, Node, AWS)HealthTech, up to £90kLondon (once or twice per fortnight in office)Troi Search are delighted to be partnering once again with this innovative & mission drive...Read More>>.

Posted: September 21st, 2026
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Software Engineer - Tooling

Company IconIconic Interactive
Location IconWhitehall

This is a hybrid role (3 days per week) based out of London. Iconic Interactive is an AI-native game development and research studio exploring the future of interactive entertainment, digital actors, and intelligent worlds. We are lookin...Read More>>.

Posted: September 21st, 2026
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Intermediate Software Engineer

Company IconRX Global
Location IconWhitehall

Are you passionate about building reliable, secure, and scalable software that delivers meaningful outcomes for customers and the business? Do you enjoy collaborating with a talented engineering team, solving technical challenges, and continuou...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconOpulent Mind
Location IconWhitehall

Build the engine room of a payments platform that actually understands money. Most payments companies are wrappers. Money goes in, money comes out, and nobody can tell you why a particular merchant got paid the amount they did, against w...Read More>>.

Posted: September 21st, 2026
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Frontend Software Engineer

Company IconTransitionZero
Location IconWhitehall

About Us About the Role We are looking for a Frontend Engineer to join our interface team and help shape the future of Scenario Builder. This is an opportunity to work on a modern, greenfield frontend codebase built fro...Read More>>.

Posted: September 21st, 2026
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Senior Software Engineer

Company IconLoop Recruitment
Location IconWhitehall

React.js | TypeScript | Next.js | Product & AI-Focused We're partnering with an ambitious fintech scale-up entering a major growth phase as it expands its product offering and invests heavily in technology, AI, and customer expe...Read More>>.

Posted: September 21st, 2026
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Lead Software Engineer

Company IconThe Depository Trust & Clearing Corporation (DTCC)
Location IconWhitehall

Are you ready to make an impact at DTCC? Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the forefront of innovation in the...Read More>>.

Posted: September 21st, 2026
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Research Software Engineer

Company IconMistral AI
Location IconWhitehall

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufac...Read More>>.

Posted: September 21st, 2026
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Software Engineer (Java)

Company IconDolarApp
Location IconWhitehall

About ARQ ARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journe...Read More>>.

Posted: September 21st, 2026
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Python Software Engineer

Company IconFundment Limited
Location IconWhitehall

Fundment is a fast-growing wealth infrastructure company transforming the £3 trillion UK wealth management industry. Our modern investment platform is becoming the platform of choice for financial advisers and their clients. We’re building h...Read More>>.

Posted: September 21st, 2026
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Junior Software Engineer

Company IconHarrington Starr
Location IconWhitehall

London / UK - Fully Remote0-4 years' experience | Financial Markets | AI | TradingWe are working with a fast-growing investment management firm operating within the digital asset markets, looking to hire a Financi...Read More>>.

Posted: September 22nd, 2026
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Senior Software Engineer

Company IconActeon
Location IconWokingham

UTEC, Acteon’s Geo-services business line, harnesses data to optimize designs, save time, and maximize your project’s economic value by providing a holistic understanding of the marine environment. Our insights underpin customers’ decisio...Read More>>.

Posted: September 22nd, 2026
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iOS Software Engineer

Company IconApple Technical Recruitment
Location IconWhitehall

iOS Software EngineerPeople at Apple don't just build products — they craft the kind of experience that has revolutionized entire industries. The diverse collection of our people and their ideas inspire innovation in everything we do. I...Read More>>.

Posted: September 22nd, 2026
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Senior Software Engineer

Company IconPlatformed
Location IconWhitehall

This is a great opportunity for an experienced full stack engineer to join our growing engineering team. You'll report to the CTO and work alongside the founders and the rest of our small engineering team.RoleYou'll build a...Read More>>.

Posted: September 22nd, 2026
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Systems Software Engineer

Company IconIC Resources
Location IconWhitehall

Join an innovative AI hardware start-up | UK RemoteThis exciting start-up is developing a fundamentally new approach to AI infrastructure, building hardware capable of accessing and traversing large-scale knowledge structures at m...Read More>>.

Posted: September 22nd, 2026
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Senior Software Engineer

Company IconInvesta
Location IconWhitehall

Office Location: Temple, London - hybrid working environment (3 days in office per week)About InvestaInvesta is building the UK’s first zero-commission Options and Stocks trading platform. Legacy platforms typically fea...Read More>>.

Posted: September 23rd, 2026
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Senior Software Engineer

Company IconeasyJet Airline Company PLC
Location IconWhitehall

Job Description - Senior Software Engineer (17311) Job Description Senior Software Engineer ( 17311 ) Description Senior Software Engineer Luton | Full-time | Hybrid We support hybrid working, an...Read More>>.

Posted: September 24th, 2026
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Software Engineer, Backend

Company IconAdaptyv
Location IconWhitehall

Adaptyv is building an automated lab that lets AI agents run biology experiments.We're entering the era of agentic science where AI models can now design novel proteins, propose hypotheses, and iterate on experimental results. But...Read More>>.

Posted: September 24th, 2026
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Senior Software Engineer

Company IconGlobalLogic
Location IconWhitehall

We are GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, co...Read More>>.

Posted: September 24th, 2026
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