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    Software Engineer Intern (C++/C#) – Build Desktop Features

    A leading software development company in Sheffield seeks a Software Engineer Intern. This role involves contributing to the development lifecycle from design to release, working on a C++/C# codebase, and engaging with Agile methodologies. Ideal candidates are undergraduate students pursuing a software developme ...

    Senior ML Engineer: Lead Production Grade AI at Scale

    A leading AI solutions company in Greater London is seeking a Senior Machine Learning Engineer to drive the development of cutting-edge AI systems. You'll lead design and deployment of scalable ML software, collaborating with diverse teams to solve critical challenges. Ideal candidates will have significant expe ...

    Senior Quantitative Engineer – Finance Analytics

    A prominent financial services provider is seeking a skilled Quantitative Engineer to develop robust applications that support trillions in assets. The role involves writing efficient code for index calculations, analyzing financial datasets, and collaborating with teams to enhance the Firm’s analytics. Ideal ca ...

    Staff Data Engineer: Quality, Observability & Governance

    A forward-thinking fashion marketplace headquartered in London is seeking a Staff Data Engineer to lead the creation of frameworks and tools for data quality and governance. You'll focus on making sure data is reliable, observable, and compliant, while collaborating with various teams. Ideal candidates have subs ...

    Cloud Security Research Engineer – Detect & Defend Cloud

    A leading cloud security company seeks a Cloud Security Research Engineer to help safeguard customer environments from cyber threats. You will research and develop innovative detection mechanisms, assess cloud service vulnerabilities, and collaborate with teams to create scalable security solutions. The role req ...

    Senior AI Research Engineer — Edge ML & Multimodal CV

    A cutting-edge AI company in Greater London is seeking a Senior AI Research Engineer to develop advanced AI products, focusing on multimodal LLMs and deep learning model optimization. Candidates should have over 5 years of experience in software engineering, particularly with Python and frameworks like PyTorch a ...

    Quant Research Engineer Scalable Platforms & Discovery

    A leading quantitative finance firm in Greater London seeks a Research Engineer to develop high-impact research tools and platforms. The role involves working closely with researchers, delivering well-engineered software, and applying solid knowledge of algorithms and data structures. Ideal candidates should hav ...

    Global Trading Platform Infrastructure Engineer

    A global trading firm in London is seeking an Infrastructure Engineer for the Fixed Income Commodities and Currency Options team. You will design and maintain high-availability systems for trading, employing technologies like Kubernetes, Terraform, and Python. Ideal candidates have experience in trading infrastr ...

    AI Software Engineer — End to End Enterprise AI, Equity

    A VC-backed AI startup is seeking a Software Engineer to join a high-velocity team focused on building synthetic populations that influence critical decision-making. You'll work directly with influential founders, owning features end-to-end while applying your skills in React, Python, and collaboration. The idea ...

    Principal Software Engineer Lead Secure UK Systems

    A leading global aerospace and defense technology company in Manchester is seeking a Principal Software Engineer. In this pivotal role, you will design and maintain critical infrastructure, guiding teams through technical challenges. Candidates should have strong experience in backend development technologies su ...

    Senior Omics Imaging Software Engineer (Hybrid)

    A leading research centre in Greater London is looking for a Senior Research Software Engineer to develop software tools for merging in-vivo functional data with ex-vivo transcriptomics data. The ideal candidate should possess strong programming skills in Python and experience in image registration and analysis. ...

    Senior macOS Endpoint & Automation Engineer

    A leading design platform in Greater London is seeking an IT Engineer focused on macOS endpoint management. This role involves streamlining device workflows, enhancing security, and automating tasks. Ideal candidates should have over 5 years in enterprise macOS management, proficiency in Bash and Python, and exp ...

    Lead AI Platform Engineer: Build Scalable Agentic Systems

    A technology firm is seeking a Senior AI Platform Engineer to help build AI-driven simulation software for engineering and manufacturing. The successful candidate will implement advanced infrastructure, ensuring robust developer experiences while managing key initiatives. Candidates should have over 3 years of r ...

    Applied AI Engineer — Build Production Scale AI Agents & RAG

    A leading AI workflow company in Greater London seeks a Senior Software Engineer to own AI agent infrastructure. The position involves backend development using Python and building AI-powered features in production environments. Candidates should have at least 5 years of professional software engineering experie ...

    Tape Out Ready Photonics Design & Simulation Engineer

    A leading technology company in the UK seeks a Photonics Design & Simulation Engineer to design and simulate photonic integrated circuits. This position demands deep expertise in PIC design, data analysis, and Python coding. The successful candidate will iterate designs based on experimental data and work closel ...

    Lead Generative AI Engineer: NLQ & Multi Agent Systems

    A leading financial services firm is seeking a Lead Agentic Gen AI/Natural Language Querying Engineer – Vice President. In this role, you will drive innovative AI solutions for Risk Technology, mentor engineers, and foster best practices. The ideal candidate will have extensive experience in data science, a stro ...

    Staff Kernel Driver Engineer – Linux & PCIe

    A leading AI compute technology company in the UK is looking for a skilled Software Engineer to work on OS Kernel and Device Driver software. You will design and implement solutions in C/C++/Python, collaborate with both hardware and software teams, and participate in agile development. Essential skills include ...

    Senior ML Engineer: Lead Production Grade AI Systems

    An AI-focused company is seeking a Senior Machine Learning Engineer to lead the development and deployment of AI systems. The role requires designing scalable ML software, mentoring junior engineers, and collaborating with teams. Candidates should have strong Python skills and experience with frameworks like Ten ...

    Founding AI Software Engineer for Enterprise Deployments

    An innovative Insurtech startup in Greater London is seeking a Software Engineer to build AI solutions that transform commercial insurance risk assessment. In this role, you'll ship features, manage enterprise deployments, and collaborate with clients. The ideal candidate has over 7 years of software engineering ...

    Senior AIML Architect & Client Delivery Lead

    An AI Solutions Firm in London is seeking an experienced AIML Engineer to architect and implement advanced LLM systems. You will lead client delivery, acting as a primary technical contact and mentor junior engineers. The ideal candidate has over 6 years of experience in AI engineering and strong skills in Pytho ...

    Full Stack Engineer AI Powered Debt Markets Platform

    A leading AI platform for debt markets is seeking a Backend Engineer to develop systems and functionality for their platform using Python. The role involves collaborating with cross-functional teams to design and implement software that delivers value to clients. Ideal candidates will have experience in API deve ...

    Senior Silicon Verification Engineer — AI Compute Leader

    A leading semiconductor company is seeking a Senior/Principal Silicon Verification Engineer to join their team in the UK. This role focuses on ensuring the alignment of RTL designs with architecture specifications. Responsibilities include verification planning, providing feedback, and collaborating across teams ...

    Senior Silicon Verification Engineer — AI Compute Leader

    A leading semiconductor company is seeking a Senior/Principal Silicon Verification Engineer to join their team in the UK. This role focuses on ensuring the alignment of RTL designs with architecture specifications. Responsibilities include verification planning, providing feedback, and collaborating across teams ...

    Senior R&D Architect AI Hardware & Memory Systems

    A deep-tech startup is seeking a Senior R&D Engineer – System Architecture. This role involves designing and optimizing hardware architecture for advanced AI platforms. Candidates should have a Master’s or Ph.D. in relevant fields and strong programming skills in Python. Responsibilities include collaborating wi ...

    Senior Cloud Platform & Security Engineer

    A security-focused technology company in Greater London seeks a mid-level or senior Software Engineer to develop cloud services and infrastructure. This role offers the opportunity to directly contribute to scalable, reliable systems and requires 6+ years in cloud service development. Ideal candidates will have ...

    Build Engineer ML Software Stack & Tools

    A leading technology company in the UK is seeking a Software Infrastructure engineer to develop and manage tools for the Machine Learning Software Stack. The role involves working closely with QA and development teams on build practices, tooling, and releases. Essential skills include proficiency in Python or C+ ...

    AI Solutions Engineer — Enterprise ML & Data Integration

    A leading AI infrastructure firm in Greater London seeks a Machine Learning Solutions Engineer to act as a technical expert for complex customers. The role involves partnering with commercial teams, leading technical discovery sessions, delivering customized demonstrations, and guiding prospects through evaluati ...

    Senior AI Solutions Engineer Enterprise Pre Sales (Hybrid)

    A leading AI solutions provider in the UK is seeking a Senior Solutions Engineer to bridge technical and sales efforts. This role involves designing AI-driven solutions, executing proof-of-value projects, and leveraging extensive knowledge in Python and APIs. Ideal candidates will excel in navigating enterprise ...

    Staff Java Engineer – Supply Chain (Hybrid)

    A major UK retail company seeks a Staff Engineer to influence engineering at scale and shape the future of customer shopping. The role involves driving technical standards and mentoring engineering teams in delivering scalable solutions within a complex supply chain technology landscape. Ideal candidates will ha ...

    Embedded Software Engineer – On Site DV Clearance

    A leading defence technology company in Malvern is looking for a Software Engineer to join their OpTech team. You will develop software solutions that protect Sovereign states from sophisticated threats. Responsibilities include integrating digital hardware technologies and ensuring rigorous engineering practice ...

    Senior Software Engineer — Agentic Infrastructure Architect

    A leading technology company in London is seeking a Senior Software Engineer to lead the architecting of agentic infrastructure. You will partner with teams to design and implement solutions that enable agent automation across domains. The ideal candidate has 5+ years of experience in coding across multiple lang ...

    Backend Engineer AI Driven SaaS Security Platform

    A cybersecurity company in Cheltenham is looking for a Backend Engineer to contribute to the development of backend systems for their core product. This role involves building APIs and backend services, with a focus on scalability and performance. Ideal candidates will have 2–4 years of experience in software en ...

    Senior ML Research Engineer — Retail Foundation Models

    A pioneering startup in Greater London is searching for a Senior Research Engineer to innovate in machine learning for retail. The role involves applying state-of-the-art techniques to create impactful solutions and optimise models for production systems. Candidates should have a strong background in machine and ...

    Cloud Scale Database Platform Engineer

    A fast-growing software-driven organization in Greater London is seeking an experienced Database Platform Engineer to join their Data Services team. The role focuses on designing and operating critical database platforms, ensuring high availability and performance. Ideal candidates will have strong expertise in ...

    Senior Cloud Security Engineer — Secure Scale & Privacy

    A leading health app company in Greater London is seeking a Cloud Security Engineer to enhance security practices across its AWS infrastructure to protect user data. This role involves extensive automation and security best practices in a fast-paced environment, with the opportunity to influence security culture ...

    Senior Lead SDN Engineer, VPC Networking

    A global financial services leader is looking for a Senior Lead Software Engineer to enhance and deliver innovative networking technology products. The role involves designing core components for a software-defined networking platform and collaborating with various teams to ensure technical excellence. Ideal can ...

    Senior Site Reliability Engineer Cloud,CI/CD & Kubernetes

    A leading tech start-up in Reading is seeking an experienced Site Reliability Engineer to join their dynamic team. You will troubleshoot application issues, assist in automating software deployment using CI/CD, and mentor junior team members. The ideal candidate has over 5 years of IT experience, proficient in P ...

    Senior ASIC Design & Verification Engineer

    A leading semiconductor company in Belfast is looking for a Verification Engineer to define and develop testing protocols for ASIC designs. The ideal candidate will have a degree in Electronic Engineering or Computer Science and strong skills in Verilog/SystemVerilog, UVM, and scripting languages like C/C++ and ...

    London Based Senior AI Product Engineer

    A leading commodities trading company in London is seeking a Senior Product Engineer to closely collaborate with the AI team to develop robust applications that enhance trading operations. Candidates should have 5-8+ years of backend systems experience and expert Python skills, as well as be comfortable with mod ...

    Senior AI Agent Engineer: Build & Productionize LLMs

    A leading eCommerce technology company in Reading is seeking a highly skilled Senior AI Agent Engineer. The role involves designing and deploying applications utilizing Large Language Models (LLMs) like OpenAI's GPT series. Ideal candidates will have a solid background in AI workflows, Python programming, and ex ...

    Security‑Focused Backend Engineer

    A leading technology firm in Greater London is seeking a Security & Backend Engineer to enhance its core data solutions. The ideal candidate will own backend services and ensure data and system security, balancing feature delivery with long-term hardening. You should have over 5 years of experience in operating ...

    Enterprise Solutions Engineer GenAI & AI SaaS

    A leading AI solutions company seeks a Solutions Engineer in Greater London. You will partner with Account Executives to deliver customized demos, develop technical requirements for enterprise clients, and lead customer applications of Generative AI technology. The role demands strong engineering skills, experie ...

    Senior DevOps Engineer AWS, Terraform & Kubernetes

    A global-leading investment management firm is seeking a DevOps Engineer for a 12-month contract in London. The role includes responsibilities such as building AWS infrastructure, managing Terraform, and developing Kubernetes platforms. Candidates should have over 5 years of experience in DevOps, strong AWS and ...

    ML Engineer – Finance Analytics & Market Surveillance

    A financial technology firm in London is looking for a Machine Learning Engineer to enhance its analytics team. This role focuses on developing machine learning models for market surveillance and collaborating with cross-functional teams. Candidates should have strong Python skills, experience with machine learn ...

    Staff AI Engineer: Build Domain AI Copilots & Scalable Systems

    A technology-driven insurance company in Greater London seeks a Staff Engineer. This role involves architecting and building AI-driven products from scratch, leading design initiatives, and collaborating with cross-functional teams. Ideal candidates will have experience in developing complex production systems i ...

    Agentic AI Platform Engineer

    A premier financial technology firm in London is looking for an AI Engineer to develop and maintain an innovative agentic platform. This role involves creating and enhancing Python SDKs, implementing best practices for agent development, and delivering tailored AI solutions for the business. The ideal candidate ...

    Senior Multimodal ML Data Engineer

    A leading design platform company is seeking a Machine Learning Engineer to own the data lifecycle for multimodal agent research. This role involves designing and building data pipelines, collaborating with researchers, and ensuring data quality at scale. Ideal candidates will have strong Python experience and p ...

    Staff Data Quality & Governance Engineer

    A leading online marketplace in Greater London is seeking a Staff Data Engineer to enhance the reliability, trust, and compliance of its data ecosystem. You will design frameworks and processes that strengthen data foundations and ensure accuracy and observability. The ideal candidate has substantial experience ...

    Senior ML Engineer – Care AI for Trust & Support

    A leading food delivery service is seeking a Senior Machine Learning Engineer to join their Care team in London. The role involves enhancing customer experience through machine learning solutions that support automated customer support and fair compensation decisions. Ideal candidates have over 5 years of experi ...

    Principal Full Stack Engineer & Tech Lead

    A leading consultancy in the UK is seeking a Principal Full Stack Engineer to lead technical support teams and drive service excellence. The ideal candidate will have proficiency in programming languages such as Java and Python, alongside cloud architecture experience with AWS or Azure. Responsibilities include ...

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      Fullstack Engineer Python Typescript Jobs in United Kingdom Job Search Guide, Trends and Insights