Senior Software Engineer- Software Applications

Company IconOxford instruments
Location IconBelfast

Overview In this role you design, develop and support customer-facing Windows desktop applications to control experiments and process data for scientific instrumentation. You will work within the Software Applications portfolio to deliver r...Read More>>.

Posted: October 1st, 2026
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Junior Java Developer –Python, Ruby, Fintech50

Company IconQuant Capital
Location IconLondon

Overview As a Junior Java Developer at Quant Capital, you join a fintech-focused tech team working with a high-profile client. You’ll contribute across the stack, emphasize core Java development, and support release management and infrast...Read More>>.

Posted: October 1st, 2026
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C++/Python Quantitative Developer - Cross Asset XVA and Capital Analytics (Vice President)

Company IconCitigroup
Location IconLondon

Overview In this role you will develop analytics libraries and quantitative models for Citi’s trading business, supporting pricing, risk management, and governance. You work closely with Traders, Structurers, and technology teams to deliv...Read More>>.

Posted: October 1st, 2026
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Director of Software Engineering (Systems Software)

Company IconARM
Location IconCambridge

Overview As Director of Software Engineering at Arm, you will lead a globally distributed team of 60+ engineers spanning kernel, drivers, and userspace, shaping software for high-performance Arm-based platforms. You will set strategy, align...Read More>>.

Posted: October 1st, 2026
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Senior Full Stack Developer – Python & Cloud

Company IconIntellectual Capital Resources
Location IconCambridgeshire

Overview In this role you will help design and build a scalable cloud services platform for customers. You will work closely with a small, experienced team in a VC-backed startup environment, tackling end-to-end development from product inc...Read More>>.

Posted: October 10th, 2026
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Principal Software Engineer, Robot Software

Company Iconwayve
Location IconLondon

Overview In this role, you’ll shape the Robot Software platform roadmap and lead high-impact initiatives that improve reliability and developer velocity across vehicle programs. You’ll align cross-functional interfaces among robotics, a...Read More>>.

Posted: October 22nd, 2026
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Principal Software Engineer - Software Architecture

Company IconApple Inc.
Location IconLondon

Selection changes the language of the page/contentPrincipal Software Engineer - Software ArchitectureLondon, England, United Kingdom Software and ServicesImagine what you could do here. At Apple, new ideas have a way of beco...Read More>>.

Posted: October 21st, 2026
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Director of Software Engineering (Systems Software)

Company IconCamwebdir
Location Icon

Director of Software Engineering (Systems Software) OVERVIEWArm is looking for a Director of Software Engineering to help lead a broad organisation spanning Systems Software (Kernel, Firmware, Power), Userspace (Performance and En...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer- Software Applications

Company IconOxford Instruments GmbH
Location IconNorthern Ireland

Senior Software Engineer- Software Applications Date: 22 Sept 2026 Location: Belfast, GB Job Function: Technical Business Unit: Andor Technology At Oxford Instruments Andor we are devoted to accelerating the...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer- Software Applications

Company IconOxford Instruments plc
Location IconNorthern Ireland

At Oxford Instruments Andor we are devoted to accelerating the greatest scientific advancements of our age. It matters to us that the products we develop make a real difference to our customers and contribute significantly to their research. We wa...Read More>>.

Posted: October 21st, 2026
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Lead Backend Developer Python Java AWS

Company IconClient Server
Location IconLondon

21 hours ago Be among the first 25 applicantsThis range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the jo...Read More>>.

Posted: October 21st, 2026
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Quant Developer: Python & C++ for Automated Trading

Company IconeFinancialCareers
Location IconLondon

eFinancialCareers is seeking a quantitative software developer to build and maintain in‑house pricing libraries in C++ and Python, while advancing the toolbox with new algorithms and numerical techniques. You will work on multi‑threaded server...Read More>>.

Posted: October 21st, 2026
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Quantitative Developer, Python - Trading Teams EMEA

Company IconTower Research Capital
Location IconLondon

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 discove...Read More>>.

Posted: October 21st, 2026
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Lead Software Engineer - Software Reliability

Company IconJPMorgan Chase & Co.
Location IconGlasgow

As a Lead Software Engineer – Software Reliability at JPMorgan Chase as a part of our product team, you will design, build, and operate scalable, resilient systems using Python and modern reliability practices. You will apply Site Reliability En...Read More>>.

Posted: October 21st, 2026
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Full Stack Developer (Python and Java) - Consultancy

Company IconHamilton Barnes Associates Limited
Location IconLondon

Looking for a role with plenty of growth opportunities?Join one of the world's leading IT services, consulting, and business solutions organization. Backed by decades of experience, the company consistently ranks among the top global IT...Read More>>.

Posted: October 21st, 2026
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Software Engineer III- AI- Back end Java or Python

Company IconJPMorgan Chase & Co.
Location IconGlasgow

Join us to create a groundbreaking source code intelligence platform that transforms how we automate SDLC controls and compliance. You will work hands‑on with innovative technologies, collaborate with experienced engineers, and grow your skills...Read More>>.

Posted: October 21st, 2026
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Software Engineer — Test Equipment Software

Company Iconmbda
Location IconBolton

Salary: £40,000 - £65000 depending on experience MBDA is looking for Software Engineers to join the Software Resource and Capability Team, working on Test Equipment software in support of manufacturing, production test, integration a...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer, AI Centre of Excellence Software engineering London

Company IconCheckout
Location IconLondon

Company Description We’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We are where the world...Read More>>.

Posted: October 21st, 2026
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Quantum Network Software engineer/Senior Quantum Network Software engineer

Company IconNational Physical Laboratory
Location IconLondon

About the RoleQuantum Network Software engineer/Senior Quantum Network Software engineerHelp Build the UK’s Next ‑ Generation Quantum InternetJoin the team shaping the next‑generation quantum internet....Read More>>.

Posted: October 21st, 2026
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Senior Quant Developer: Python, Systematic Trading

Company IconiSAM
Location IconLondon

iSAM is seeking an experienced quant developer to join our London team. This role spans data, strategy development and production monitoring, ensuring the system is stable, scalable and robust from inception to production.You will work clos...Read More>>.

Posted: October 21st, 2026
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Software Engineer - New Grad Software

Company IconFrontdoor Defense
Location IconLondon

Software Engineer - New Grad Own end-to-end development of a new public-sector AI data product from concept to deployment quickly Location: London, England About The Role Software Engineer - New Grad L...Read More>>.

Posted: October 21st, 2026
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Graduate Software Engineer - Robot Software

Company IconCMR Surgical
Location IconCambridge

At CMR Surgical, we're revolutionising the future of minimal access surgery with Versius, our next-generation surgical robotic system. We're growing fast, and we’re on a mission to transform how surgery is delivered globally for...Read More>>.

Posted: October 21st, 2026
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Software Engineer III- AI- Back end Java or Python

Company IconJPMorgan Chase
Location IconGlasgow

Join us to create a groundbreaking source code intelligence platform that transforms how we automate SDLC controls and compliance. You will work hands-on with innovative technologies, collaborate with experienced engineers, and grow your skills...Read More>>.

Posted: October 21st, 2026
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Senior Quant Research & Development (Python/AI)

Company IconLondon Stock Exchange Group
Location IconLondon

London Stock Exchange Group in London is seeking a Senior Analyst in Quantitative Research & Development to develop Python and SQL based research tools and analytics for index methodologies.You will work across datasets such as Worldscope,...Read More>>.

Posted: October 21st, 2026
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C++/Python Quantitative Developer - Cross Asset XVA and Capital Analytics (Vice President)

Company IconCitigroup Inc.
Location IconLondon

The Quantitative Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an...Read More>>.

Posted: October 21st, 2026
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Senior Software Engineer, Networking

Company IconNVIDIA Corporation
Location Icon

At NVIDIA, we are redefining the future of technology, and our Senior Software Engineer, Networking role offers a uniquely ambitious opportunity to contribute to world-class innovations. If you thrive in a collaborative and inclusive environment,...Read More>>.

Posted: October 22nd, 2026
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Software Engineer - Marlow, sl63qq

Company IconKensington Mortgages
Location IconMarlow

Software Engineer - Marlow, sl63qqSoftware EngineerFull TimePermanent Hybrid - Marlow or London adhoc Join our Digital Service...Read More>>.

Posted: October 22nd, 2026
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Senior Controls Software Engineer

Company IconAshton Recruitment
Location IconDungannon

We are recruiting on behalf of an established engineering and manufacturing organisation seeking an experienced Senior Controls Software Engineer to join its engineering team. Job Title: Senior Controls Software EngineerLoc...Read More>>.

Posted: October 2nd, 2026
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Senior AI Software Engineer

Company IconOcho
Location IconBelfast

Senior AI Software EngineerAt-a-Glance- Senior backend role building the core of an AI operating system- Java, Go and Python across LLM integration, agent orchestration and retrieval infrastructure- AWS, Neo4j, distributed sy...Read More>>.

Posted: October 6th, 2026
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Software Engineer Placement Year

Company IconCybersource NI
Location IconBelfast

About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to upliftin...Read More>>.

Posted: October 14th, 2026
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Senior PLC Software Engineer

Company IconMallaghan Engineering
Location IconDungannon

Full job descriptionControls work encompasses control strategy development and verification for engine, hybrid, and electric vehicles. This includes integration and control of a wide range of components such as electronic control...Read More>>.

Posted: October 18th, 2026
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2027 Software Engineering Graduate

Company IconThales UK Limited
Location IconBelfast

Posted Yesterday Be an Early Applicant Belfast, County Antrim, Northern Ireland, GBR Belfast, County Antrim, Northern Ireland, GBREntry-level three-year software engineering graduate programme involving structured training, engineering developm...Read More>>.

Posted: October 9th, 2026
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Mid level software engineer

Company IconMCS Group
Location IconBelfast

Mid-Level Full Stack Software Engineer£30,000-£40,000MCS Group is partnering with a growing business that is investing in technology and building a new team to develop software products for its customers...Read More>>.

Posted: October 16th, 2026
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Full-stack Software Engineer

Company IconDigital Catapult
Location IconBelfast

Full-stack Software EngineerCompany: Digital CatapultLocation: Belfast, Northern Ireland, United KingdomDepartment: Operations and Customer Delivery, Softw...Read More>>.

Posted: October 20th, 2026
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