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Senior .NET Engineer — Scalable APIs & Event Driven Systems

NewDay is seeking a Senior Software Engineer to design and deliver high-quality C#/.NET applications, create robust APIs, and contribute to our event-driven architectures. This role involves collaborating with an agile team to take solutions from code to production, helping evolve the Stratus platform for bet ...

Hybrid Azure & Kubernetes DevOps Engineer

Bristow Holland Ltd is looking for a DevOps Engineer to join their engineering team in Colchester. This hybrid role combines 3 days in the office with 2 days working from home, presenting a great opportunity for a proactive individual with expertise in Azure cloud technologies and Kubernetes. The succe ...

Customer Support Engineer Capital Equipment (On site)

KLA is seeking a Customer Support Engineer in Derry/Londonderry, responsible for customer service activities involving troubleshooting and repairing sophisticated capital equipment. You'll interact directly with customers to ensure their satisfaction and operational quality of systems. The ideal candid ...

1st/2nd Line Tech Support Engineer – Hardware & Zendesk

Sivara GmbH in Stevenage is looking for a Technical Support Engineer to join their UK team. The role involves providing first and second line technical support, primarily via phone and email, and entails troubleshooting hardware and software issues. The candidate should possess excellent problem-solvin ...

Senior AI/ML Engineer — Vision, RL & LLMs Lead

Roke Manor Research in Romsey is seeking an AI/ML Engineer to deliver innovative AI solutions. In this role, you will lead teams, mentor junior engineers, and provide hands-on expertise in AI/ML technologies, including computer vision and NLP. Ideal candidates will have a strong background in AI resear ...

Senior Python & C# Engineer — Semantic Search Platform

LexisNexis Risk Solutions is hiring a Software Engineer III in Farringdon, United Kingdom. In this role, you'll architect and build complex systems using Python and C#. You'll create specifications for a semantic search API and implement coding best practices while maintaining an internal data curation tool. ...

C# .NET Backend Engineer – London Onsite, £90k + Bonus

Client Server is seeking an experienced Software Engineer / Developer (C# .Net) to join our London team. You will work in a plush City office and have the opportunity to earn a salary up to £90k along with bonuses paid every six months based on performance. The ideal candidate will have strong knowledg ...

Internal Tooling Engineer: Build Fast, High‑Impact Tools

Cambridge Aerospace is seeking a Software Engineer (Internal Tooling) in Cambridge to enhance hardware efficiency through internal tool development. You will work closely with hardware and test teams, identifying bottlenecks and delivering MVP solutions that drive rapid improvements. The role requires ...

Principal Cybersecurity Engineer Threat Detection (Visa)

NewsNowGh is seeking a Principal Cybersecurity Engineer in London. This role offers a unique opportunity for senior engineers to work on advanced cybersecurity systems in a financial services context. The successful candidate will focus on designing security capabilities that leverage large-scale telemetry an ...

Java Trading Engineer — High Impact Platform

Vertus Partners is looking for a Java Software Engineer specializing in Systematic Trading in Greater London. In this role, you will develop core aspects of an execution platform that impacts trading performance. You'll collaborate closely with traders and researchers to improve system reliability and perform ...

Senior Endpoint DLP Engineer (Kernel/Go/C)

A leading cybersecurity firm based in London is seeking a Senior Software Engineer to develop and enhance the FortiDLP endpoint agent. The role involves implementing new features, maintaining current functionality, and ensuring high coding standards. Candidates should have strong programming skills in languages ...

Senior Autonomy Engineer – Defense AI (UK)

Applied Intuition is seeking a Senior Autonomy Engineer to join their UK Engineering team. In this role, you will lead the development of high-performance autonomy solutions for the defense industry, writing perception and planning algorithms while mentoring junior engineers. The ideal candidate will h ...

Senior Kotlin Backend Engineer Cloud Native, Real Time Issuance

1st Executive is seeking an Interim Software Engineer with strong Kotlin experience for a 6-month hybrid contract. Join a leading edge team working on a cloud-native platform for global capital markets. Your role will involve designing and maintaining backend services, focusing on event-driven architec ...

London ML Engineer: AI CAD & Simulation, 4 days in office

A cutting-edge tech company based in London is seeking an experienced engineer to take on a hands-on role in developing AI-powered software solutions. You will collaborate directly with the CTO to design vital product functionalities, focusing on numerical optimisation, physical simulation, and advanced robotic ...

Senior Code & Architecture Auditor

Intelance is seeking a hands-on Principal Engineer for a technology audit with a major UK retailer. The ideal candidate will review home-built platforms and assess their quality, helping to translate findings into clear recommendations for senior management. Candidates should have extensive software engineeri ...

Senior Temporary Works Engineer Lead Major Projects

A leading international design consultancy based in London seeks a Temporary Works Engineer with at least 5 years of experience. The successful candidate will manage substantial projects, up to £100 million, closely collaborating with the permanent works team. The role requires the right to work in the UK and de ...

Senior C# Engineer for Greenfield Trading Systems

An innovative proprietary trading firm in London is looking for a Senior C# Software Engineer. You will work on greenfield projects and use cutting-edge technology to influence trading systems. The ideal candidate will have a strong background in C# and .NET, alongside experience with database technologies such ...

Healthcare AI Engineer — Enterprise Deployments + Equity

TechTree, a stealth healthcare AI startup, is looking for a Software Engineer to deploy AI systems, focusing on patient communication and secure data layers. The role involves working with hospitals to develop scalable, enterprise-grade systems that integrate high-impact problems into healthcare. The i ...

Runtime Enforcement Lead for Unity Catalog

A leading data and AI company in Greater London is seeking a Senior Staff Software Engineer to lead the Unity Catalog Runtime Enforcement team. The role entails building and securing runtime enforcement for data access and authorization, mentoring team members, and ensuring high standards of operations. Candidat ...

Data Platform Engineer — Scalable Game Data Pipelines

Rocket Science Group is seeking a Data Platform Engineer based in Cardiff. This hybrid role involves designing and building reliable data systems to support game platforms. Candidates should have strong data engineering skills, adaptability, and a good software engineering background. Key responsibilit ...

Senior DevOps Engineer — Hybrid, AWS & Kubernetes

Netcompany is seeking an experienced DevOps Engineer in Leeds, UK, responsible for implementing improvements and enhancing software quality. You will work in a multi-disciplinary team to reach shared goals using best practices in DevOps. Key responsibilities include stakeholder management, implementing ...

Elasticsearch Distributed Systems Principal Engineer

Elastic is seeking a Principal Software Engineer I to join the Elasticsearch - Distributed Systems team in Greater London. This role focuses on enhancing Elasticsearch’s scale, performance, and resilience, particularly in how nodes communicate and manage data efficiently. Ideal candidates will have st ...

Android Engineer – Signals & Data Platform (Hybrid, Equity)

Spotify AB is looking for an Android Engineer to enhance the consumer experience by developing software at Spotify's scale. This role requires collaboration with cross-functional teams to build and maintain mobile components that capture user behavior signals. You will use your expertise in Kotlin and Android ...

Senior Java/Spring Engineer Agile & Equity

ANDigital, based in Greater London, is seeking a passionate Senior Software Engineer to design and develop innovative customer-facing products. In our Agile environment, you will lead by example while influencing and mentoring your team, ensuring high engineering standards. Ideal candidates should have ...

Senior AI Driven Microservices Engineer

Job Search Place Limited in the United Kingdom is seeking a Senior Software Engineer to design and develop scalable microservices using reactive programming. You will collaborate with product managers and engineering teams to ensure high-quality code and reliable deployments. The ideal candidate will h ...

GenAI Platform Engineer – LLM & Agentic AI

JPMorgan Chase & Co. is seeking an Applied AI ML Engineer, Senior Associate, to contribute to the LLM Suite platform. In this role, you'll design and troubleshoot software solutions that leverage AI/ML technologies and collaborate closely with senior engineers. The ideal candidate has a background in c ...

Directory Services Engineer eDV Cleared (Cheltenham)

Square One Resources in Cheltenham is seeking a Directory Services Engineer with active eDV clearance for a 6-month contract. This role requires 5 days of onsite work and offers a competitive salary of £500–£600 per day, inside IR35.The successful candidate will engage in pre-sales activities, evaluate ...

AI Agent Engineer — Build Scalable Conversational Tech

Decagon, based in Greater London, seeks an experienced software engineer to join the Agent Engineering team. This role focuses on designing and building AI agents to enhance customer interactions across various industries. Ideal candidates should have over 3 years of experience, expertise in Python and Typescrip ...

Senior Kubernetes Platform Engineer — Scheduler & Scale

Menlo Ventures is seeking a highly skilled engineer to manage and extend their Kubernetes scheduling capabilities. As part of a dynamic team, you will ensure reliability and availability of core systems essential for frontier AI training. The ideal candidate will possess extensive software engineering experie ...

Runtime Enforcement Lead for Unity Catalog

A leading data and AI company in Greater London is seeking a Senior Staff Software Engineer to lead the Unity Catalog Runtime Enforcement team. The role entails building and securing runtime enforcement for data access and authorization, mentoring team members, and ensuring high standards of operations. Candidat ...

Principal Go Engineer Distributed Systems (Hybrid, Equity)

Burns Sheehan is looking for a Principal Software Engineer in Greater London, offering a salary of £160,000-£200,000 plus a 15% bonus and equity. The role involves leading technical direction, shaping architecture, and mentoring teams in a well-funded deep-tech company focused on transforming life sciences throu ...

Principal Cybersecurity Engineer Threat Detection (Visa)

NewsNowGh is seeking a Principal Cybersecurity Engineer in London. This role offers a unique opportunity for senior engineers to work on advanced cybersecurity systems in a financial services context. The successful candidate will focus on designing security capabilities that leverage large-scale telemetry an ...

Staff Product Engineer — AI Driven Infra Leader & Mentor

A dynamic technology company in the UK is seeking a Staff Product Engineer to provide technical leadership, mentor engineering talent, and optimize software delivery for users. You will play a crucial role in shaping the technical strategy and ensuring high-quality output across teams. The ideal candidate will h ...

Senior DevSecOps Lead: Artifact & Supply Chain Security

S&P Global is looking for a DevSecOps Engineer specializing in Artifact Management & Software Supply Chain Security. The role involves securing enterprise artifacts throughout CI/CD pipelines, implementing policies for dependency management, and collaborating with engineering teams to ensure compliance with s ...

Senior Code & Architecture Auditor

Intelance is seeking a hands-on Principal Engineer for a technology audit with a major UK retailer. The ideal candidate will review home-built platforms and assess their quality, helping to translate findings into clear recommendations for senior management. Candidates should have extensive software engineeri ...

Applied AI/ML Lead VP, Financial Services AI

NLP PEOPLE is seeking an Applied AI / ML Lead – Vice President – Machine Learning Engineer to advance AI in financial services. Located in Greater London, the role combines technical leadership with responsibilities in building scalable data science capabilities and collaborating with software engineering teams. ...

Founding Machine Learning Engineer

Hey! We’re Semaloop Late last year, we stuck a bunch of iPhones in Charlie’s shed, connected them to a computer, and began building. Now, a few months later, we’ve secured over $3m in funding from investors and operators behind companies like Lovable, ElevenLabs, Hugging Face, Linear and Dropbox - and we ...

Founding Engineer

Founding AI Engineer Location : London (Hybrid / Flexible)Salary : Competitive DOE + Bonus + Equity Company Overview We are working with an early-stage technology company building AI-native systems that help large ...

Principal Opto Electronics Device Engineer

**Overview** At Microsoft Research, we are shaping the future of AI infrastructure by pursuing high-risk and high-reward programs that will define the next generation of AI platforms. Our work spans the full stack, models, systems, software, and hardware, and we partner with product teams across Microsof ...

Principal Opto Electronics Device Engineer

**Overview** At Microsoft Research, we are shaping the future of AI infrastructure by pursuing high-risk and high-reward programs that will define the next generation of AI platforms. Our work spans the full stack, models, systems, software, and hardware, and we partner with product teams across Microsof ...

Founding Machine Learning Engineer

Hey! We’re Semaloop Late last year, we stuck a bunch of iPhones in Charlie’s shed, connected them to a computer, and began building. Now, a few months later, we’ve secured over $3m in funding from investors and operators behind companies like Lovable, ElevenLabs, Hugging Face, Linear and Dropbox - and we ...

Principal Platform Security Engineer

Build a brilliant future with Hiscox Job Type: Permanent Position: Principal Platform Security Engineer, London Market As a senior and influential member of the London Platform Engineering Chapter, the Principal Platform Security Engineer will set direction a ...

Lead Electronics Engineer

Who We Are Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. As democracies, we believe we have a special responsibility to be ...

Principal Applied AI Engineer

Join to apply for the Principal Applied AI Engineer role at Colibri Digital . Colibri Digital is a specialist engineering consultancy delivering advanced data and AI solutions for clients across sectors including finance, healthcare, logistics, government, and technology. De ...

Senior Verification and Validation Engineer

Senior Verification & Validation Engineer / Tooling / Python / Linux Location: Wallingford - Oxfordshire Employment Type: Permanent At Dexory, we are transforming the warehousing and logistics industry through data intelligence. We’re currently recruiting f ...

Verification Engineer – Platform Frontend Team

Verification Engineer – Platform Frontend Team As a Verification Engineer, you’ll help lead verification and validation (V&V) activities across Motilent’s medical imaging products, ensuring the highest standards of quality, reliability, and regulatory compliance. You’ll work closely with pr ...

Intermediate Mechanical Engineer

Job Description Role:This is an exciting opportunity for a Building Services Mechanical Design Engineer with a leading International multi-disciplinary design consultancy in Central London. They are one of the UKs Top Employers for 5 years in a row according to Top Emplo ...

Senior Robotics V&V Engineer — Tooling, Python & Linux

Senior Verification & Validation Engineer / Tooling / Python / Linux Location: Wallingford - Oxfordshire Employment Type: Permanent At Dexory, we are transforming the warehousing and logistics industry through data intelligence. We’re currently recruiting f ...

System Engineer

Salary £45-50k Remote (Occasional travel to London HQ) Permanent We are working with an exciting and fast-growing safety-tech start-up, who are building the Trust Layer for Physical AI and Autonomous Systems. Due to continued growth and product development, they are now looking to appo ...

AI Driven Phased Array Ultrasonic Inspection Engineer (KTP)

This is an exciting opportunity for an engineer or physicist to work at the forefront of AI-driven non-destructive testing (NDT), developing advanced ultrasonic inspection technologies for real-world industrial applications. Brunel Centre for Advanced Solidification Technology (BCAST) – ...

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    Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights