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    Senior Software Engineer, Development Tools

    Overview Tower Research Capital is a leading quantitative trading firm founded in 1998. Tower has built its business on a high-performance platform and independent trading teams. We have a 25+ year track record of innovation and a reputation for discovering unique market opportunities. Tower is h ...

    Senior Software Engineer Risk Technology

    DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

    Senior Software Engineer & Architecture Lead

    QuantumBlack, AI by McKinsey in Greater London is seeking a Senior Software Engineer to lead architecture design and drive technology decisions. The role involves mentoring teams, fostering a culture of engineering excellence, and co-creating innovative products using Agile methodologies. Ideal candidates have 7 ...

    Software Engineer – Android SC Cleared

    Software Engineer – Android & Backend Development – SC Cleared Location : Hybrid – Cheltenham Salary : Base salary up to £60,000 Clearance : SC Clearance required To apply, email : Join a Team Solving Complex Techn ...

    Front Office Treasury Software Engineer

    A leading global multi-strategy investment firm in London seeks a Software Developer to join their Front Office Treasury team, focused on building next-generation trading and liquidity management systems. The ideal candidate will have 5-15 years of experience, expert-level Python skills, and strong data capabili ...

    Senior Software Engineer CPU/GPU

    Locations : Guildford, Surrey, United Kingdom Worker Type : Regular Employee Studio/Department : CT - Frostbite Work Model : Hybrid Description & Requirements Frostbite is EA's proprietary game engine. Its versatile tools and cutting‑edg ...

    Senior Software Engineer (Full Stack)

    About us At Urban Jungle, we’re making insurance fair - to people, planet and wallets. We're one of the fastest-growing businesses in the UK, working to fix one of the biggest industries in the world. We put customers at the heart of everything we do, using data and ...

    Senior Software Engineer (2 vacancies)

    Senior Software Engineer Department: Tech Hub Employment Type: Full Time Location: Birmingham, England, United Kingdom Compensation: circa £70,000 Description Contract type: Permanent Hours: 37.5/ we ...

    Senior Software Engineer Identity & FinCrime

    Starling is the UK’s first and leading digital bank on a mission to fix banking. Hybrid Working We have a hybrid approach to working here at Starling – our preference is that you are located within a commutable distance of one of our offices so that we can interact and collaborate in pers ...

    Senior Software Engineer (Ad Auctions)

    About the role In this role you will build teams focused on the Ads Auction and Marketplace to optimize yield, gross profit, perform real‑time multi‑objective optimization across various short and long term objectives, build control and simulation systems, design and run experiments, and extend t ...

    Senior Front Office Software Engineer

    Castleton Commodities International ( is redefining how data and technology drive the future of global energy trading. Our Data Science & Technology team is at the forefront of this evolution, designing powerful systems and innovative tools that help our front-office teams understand market behavior, forec ...

    Senior Software Engineer (Inbox Desktop)

    Requirements We expect you to be customer-centric, continuous learner, passionate about technology and usability ,You are adept at turning technical complexities into seamless user experiences ,Experience: Significant, relevant professional software development experience wi ...

    Senior Software Engineer Fintech/Payments

    About the job At Hopper, we’re on a mission to build the most customer-centric travel company on earth. We are leveraging the power that comes from combining massive amounts of data and machine learning to build the world’s fastest-growing mobile first travel marketplace - one that enables our custo ...

    Senior Software Engineer, Clearing Infrastructure

    Alpaca is seeking a Senior Software Engineer for the Clearing team in Greater London. This role involves building and maintaining systems for U.S. equities and options clearing. Candidates should have 5+ years experience in distributed systems and a strong background in technologies such as Go, PostgreSQL, and K ...

    Senior Software Engineer (Core Tech)

    Company Overview LEGO Digital Play will bring the LEGO brand into digital entertainment in new, innovative, and wholly‑owned ways. Our mission is to ensure the LEGO Brand remains as powerfully a part of children’s lives in the coming decades as it has ever been. We aim to reach every kid on the p ...

    Senior software engineer (Node.js/TypeScript)

    Overview This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. This is a flexible remote-first role within the UK with occasional quarterly face2face meet-up days in either Bath, London or Edinburgh. About us < ...

    Senior Software Engineer (SC Cleared)

    3 days ago Be among the first 25 applicants SR2 | Socially Responsible Recruitment | Certified B Corporation™ provided pay range This range is provided by SR2 | Socially Responsible Recruitment | Certified B Corporation™. Your actual pay will be based on your skills and experience — talk ...

    Senior Software Engineer Engineering Acceleration

    The Role As a Senior Software Engineer in our Engineering Acceleration Team, you won’t be working on a single product. You’ll be working across the organisation empowering our software engineering teams to move faster, building shared tooling that benefits multiple teams, and embedding with squad ...

    Senior Software Engineer (Ad Auctions)

    About the role In this role you will build teams focused on the Ads Auction and Marketplace to optimize yield, gross profit, perform real‑time multi‑objective optimization across various short and long term objectives, build control and simulation systems, design and run experiments, and extend t ...

    Senior Software Engineer AI Tooling

    Are you excited by the opportunity to help software engineers use AI safely, effectively, and at scale? Do you enjoy turning ambiguous engineering problems into reliable, well-tested tools that improve productivity without compromising quality? If so, we want to hear from you! Job Overview: ...

    Senior Software Engineer (JVM, Kotlin)

    Simple Machines is a leading independent boutique technology firm with a global presence, including teams in London, Sydney, San Francisco, and New Zealand. We specialise in creating technology solutions at the intersection of data, AI, machine learning, data engineering, and software engineering. Our miss ...

    Senior Software Engineer – DevX SCAnS

    In Bloomberg, the Developer Experience (DevX) group provides services and tooling that empower over 9,000 engineers with their productivity needs and enable them to write high-quality, performant, and secure code. What goes into making Bloomberg’s software? Where do these components come from? How wil ...

    Senior Software Engineer Data Pipelines

    Founded in 2017, Obsidian Security was created to close a critical gap: securing the SaaS applications where modern business happens—platforms like Microsoft 365, Salesforce, and hundreds more. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we’ve built a complete Saa ...

    Senior Software Engineer (Node.js/TypeScript)

    Senior Software Engineer (Node.js/TypeScript) Direct message the job poster from Foundation Health All things recruitment @ Foundation Health Let’s start with the good stuff... You’ll step into a high-impact IC role, with nothing but greenfield work in front of you and no ...

    Senior Software Engineer – Flights Platform

    TravelPerk is seeking a Senior Software Engineer based in Edinburgh who thrives on real ownership. You will manage the complete lifecycle of features, from ideation to deployment, while tackling complex engineering challenges within a fast-growing team. The role requires strong skills in product leader ...

    Senior Software Engineer – Pay Sustainability

    Ultimate.ai is seeking a Senior Software Engineer to enhance the sustainability and scalability of our payment systems. You will operate in a hybrid work environment, leading initiatives that improve our engineering practices and foster cross-functional collaboration. Your role involves problem ownersh ...

    Senior Software Engineer Policy & Control

    This job is brought to you by Jobs/Redefined, the UK's leading over‑50s age inclusive jobs board. Are you a Software Engineer who thrives on real ownership? At Perk, we know that we feel most fulfilled when we can own the problem and the solution. This means taking responsibility for the ...

    Senior Software Engineer Time London

    Personio's intelligent HR platform helps small and medium-sized organizations unlock the power of people by making complicated, time‑processing tasks simple and efficient. Our team of 1,500 Personios is building user‑friendly products that delight our 15,000+ customers and their 1.5 million employees. Read ...

    Senior Software Engineer (Remote/Python)

    Senior Software Engineer (Remote/iGaming) - Python Location: Remote-first, UK-based Salary: £90,000-110,000 Heavily Funded: Series C-funded, fast-scaling consumer tech Technical Environment: Python, API Development, Distributed Systems, AWS We're partnered with a f ...

    Senior Software Engineer at UnlikelyAI

    Job Title Senior Software Engineer Company UnlikelyAI – Series A neurosymbolic AI startup Job Description Join the team building the future of reliable AI by combining LLMs with proprietary symbolic reasoning. You will architect a new public API and platform ex ...

    Senior Software Engineer, Content Agent

    We're hiring a senior engineer for Content Agent – Sanity's operations layer for structured content. It's the system that turns content work (bulk edits, audits, translation, publishing) into things an agent can actually run. It lives in Dashboard, Studio, Slack, and behind a headless API. If you've spent ...

    Senior Software Engineer, ML Ops

    Senior or Principal Software Engineer, ML Platform (Stability & Infrastructure) Your Impact We are building the largest foundation models in biotech and applying them immediately to cure disease. You will play a pivotal role in ensuring the reliability and scalability of the fou ...

    Senior Software Development Engineer Test

    Responsibilities Design and build high-performance tools and services to validate the reliability, performance, and correctness of ML data pipelines and AI infrastructure. Develop platform-level test solutions and automation frameworks using Python, Terraform, and modern cloud-native ...

    Senior .NET Core Software Engineer

    A leading financial technology firm in Greater London is seeking a Senior Software Engineer. You will enhance and support products, drive technology and process strategy, and lead initiatives in innovation. The ideal candidate has strong expertise in C# and .NET Core along with a passion for technology and teamw ...

    Senior Front Office Software Engineer

    Senior Front Office Software Engineer Castleton Commodities International ( is a global leader in energy commodity trading and asset investment. Our Data Science & Technology team is central to our success, engineering the high-performance systems and innovative tools that power our commercial de ...

    Software Engineer, Backend (Remote/Hybrid)

    Software Engineer, Backend (Remote/Hybrid) Software Engineer, Backend (Remote/Hybrid) 1 week ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Our client is a pioneering tech company at the forefront of blockchain and AI innovat ...

    Senior Software Engineer II, Data

    Narvar is growing! We are looking for a highly skilled and experienced Senior Software Engineer to join our Data Engineering team. In this role, you will lead, design and build data pipelines and systems that can efficiently store, process, and analyze large and complex datasets. Data products are ...

    Staff Software Engineer Back End

    White Collar Factory (95009), United Kingdom, London, LondonStaff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple te ...

    Staff Software Engineer Machine Learning

    White Collar Factory (95009), United Kingdom, London, LondonStaff Software Engineer - Machine Learning About this role We’re on a mission to transform the way we use data and AI to service our customers and drive efficiency across the business. Do you love shaping the technical landscape ...

    Staff Software Engineer Back End

    White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and suppor ...

    Software Validation Engineer (Electronics Design)

    Software Validation Engineer (Electronics Design) Bristol / Hybrid - £25,000 - £38,000 This is a great opportunity for a graduate / HNC / HND holder (possibly with some commercial experience) to join a leading software house in Bristol. xehkeey The role will work closely with ...

    Staff Software Engineer Machine Learning

    White Collar Factory (95009), United Kingdom, London, London Staff Software EngineerMake your application after reading the following skill and qualification requirements for this position.- Machine Learning About this role We’re on a mission to transform the way we use data and AI to service our custome ...

    Staff Software Engineer Back End

    White Collar Factory (95009), United Kingdom, London, London Staff Software EngineerEnsure all your application information is up to date and in order before applying for this opportunity.- Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation ...

    Lead Software Development Engineer Services

    White Collar Factory (95009), United Kingdom, London, London Lead Software Development EngineerQualifications, skills, and all relevant experience needed for this role can be found in the full description below.- Services About this role Capital One’s mission is to change banking for good by bringing hum ...

    Embedded Controls Software Engineer ERS

    Job Title: Embedded Controls Software Engineer - ERSHit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.Location: Concord, NCCompany: GM Performance Power Units (GM PPU)Drive the Future of Formula 1 with GM PP ...

    Staff Software Engineer Back End

    White Collar Factory (95009), United Kingdom, London, LondonStaff Software EngineerTake the next step in your career now, scroll down to read the full role description and make your application.- Back EndAbout this roleDo you love shaping the technical landscape and driving innovation across the organisa ...

    Staff Software Engineer Machine Learning

    White Collar Factory (95009), United Kingdom, London, LondonStaff Software EngineerDo not wait to apply after reading this description a high application volume is expected for this opportunity.- Machine LearningAbout this roleWe’re on a mission to transform the way we use data and AI to service our cust ...

    Staff Software Engineer Sustainability Systems

    A tech firm focusing on connected operations is looking for a Staff Software Engineer to lead the design of its Sustainability product suite. You will architect systems that optimize energy lifecycles and mentor senior engineers in a collaborative environment. Candidates should have hands-on experience with dist ...

    Automation Engineer: Software, Robotics & Manufacturing

    A cutting-edge electronics manufacturing company in the UK is seeking a Manufacturing Engineer to design and develop intelligent automation systems. The role involves developing software for robotic systems, integrating control systems, and collaborating with hardware engineers. Candidates should be proficient i ...

    Senior Space Software Validation Engineer

    A global aerospace and technology company in Farnborough is seeking a Senior Software Validation Engineer to develop and own system test plans while collaborating with development teams. The ideal candidate will have a Bachelor's or Master's degree in Electronic/Computer Science Engineering and extensive experie ...

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