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    • 181,493+ Software Developer Php Mysql Python Jobs in UK — Top Companies Hiring June 2026

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    Senior AI Security Engineer Hybrid, Flexible Hours

    A leading AI organization in Greater London is seeking a Security Engineer to safeguard AI systems. Your role will involve building security for large-scale AI clusters and creating secure development practices. Ideal candidates will have significant software engineering experience, a Bachelor's degree in a rele ...

    Senior Engineer: Cloud & Frontend Innovator

    WorksHub is seeking a skilled Software Engineer with experience in Python and Javascript to contribute to an innovative environment. You will work on various technologies such as AWS, K8s, Kafka, React, and Ruby while addressing risks and delivering cutting-edge solutions. The ideal candidate will have ...

    Senior Full Stack Engineer AI Powered Wellness Platform

    A healthtech SaaS startup in London is seeking a Full Stack Software Engineer to help shape a B2B2C platform focused on stress reduction and resilience. The role requires extensive experience in developing solutions using React, Python, and Django. The ideal candidate should have a strong interest in wellbeing t ...

    ML Lead Engineer: Hands on & Path to Management London

    YouLend is hiring a Machine Learning Lead Engineer in London. This role combines hands-on engineering with team leadership, focusing on building and improving ML systems. Candidates should possess strong ML engineering experience, software engineering skills in Python, and a good understanding of MLOps. The posi ...

    Senior AI Platform Engineer – GenAI & MLOps

    JD GROUP in Bury St Edmunds is seeking a Senior AI Engineer to architect, build, and scale production-grade AI platforms. The role involves significant technical leadership and collaboration with various data teams. Ideal candidates should have extensive AI and software engineering experience, especially in LLMs ...

    DevSecOps Engineer: Build Secure, Scalable Platforms

    A leading financial technology firm in Greater London seeks a skilled DevSecOps engineer to enhance security and efficiency across development processes. The ideal candidate will have strong programming abilities (preferably in Python and C#) and experience with DevOps practices including CI/CD pipelines. In thi ...

    Graduate Software Engineer Quant (Hybrid, London)

    An elite fintech trading firm is seeking a Graduate Software Engineer/Quant to join their innovative team in Greater London. This hybrid role offers the chance to work with cutting-edge technology on multiple green-field projects and exceptional opportunities for growth. Candidates should hold a degree in a STEM ...

    Senior AI Software Engineer & Tech Lead

    Webuild Ai is seeking a skilled Software Engineer to lead the design and development of complex AI-powered applications. This hybrid role requires expertise in React, TypeScript, and Python, alongside experience in cloud-native development. The ideal candidate will have a passion for innovation and a m ...

    Lead AI Software Engineer Cloud Native & Enterprise

    A leading AI technology firm in the UK seeks a Software Engineer to lead the design and delivery of AI-powered applications. The role requires extensive experience with React, TypeScript, and Python, alongside cloud-native development. You will mentor engineers, collaborate closely with cross-functional teams, a ...

    VP, AI Platform Engineer – NLQ & Multi Agent Systems

    JPMorgan Chase & Co. is seeking a Lead Software Engineer for AI in Risk Technology to drive AI initiatives and mentor a team. Your role will involve deploying advanced AI solutions, developing multi-agent systems, and collaborating with various teams on NLQ-enabled solutions. Required qualifications include a de ...

    Senior Full Stack Engineer Public Sector Impact (Hybrid)

    A digital transformation consultancy is seeking a Senior Full Stack Software Engineer in the UK to lead the delivery of complex digital solutions in the public sector. This role demands 5+ years of experience with technologies like .NET, Java, and Python, within a collaborative team. You will influence technical ...

    Senior Automation QA Engineer Remote & Flexible

    A leading technology solutions provider in Birmingham is seeking a Software Engineer in Test. You will analyze requirements, develop automation testing strategies, and enhance quality processes in an agile team. The ideal candidate will have experience in automated quality assurance, testing frameworks in Java, ...

    Senior AI Engineer, Build In House Agentic AI for Finance

    La Fosse is seeking a hands-on AI Engineer in Greater London to develop in-house AI capabilities for managing $50B+ in assets. You will create RAG systems, work with LLMs, and build production APIs using Python. Ideal candidates will have 1-2+ years in AI engineering, 4 years in software or ML, and a background ...

    VP AI Engineering: Generative & NLQ Systems Lead

    JPMorgan Chase is seeking a Lead Software Engineer for AI in Risk Technology based in Greater London. This Vice President role involves driving AI initiatives, developing NLQ solutions, and mentoring engineers while collaborating with data science and product teams. The candidate should possess a solid backgroun ...

    Senior Full Stack Engineer – Remote, AI‑Driven Systems

    Spotify is looking for a Senior Full-stack Engineer to shape the WhoSampled product as part of its ecosystem. This role involves building and maintaining services across the stack, from backend APIs to frontend interfaces, while embracing Spotify's infrastructure patterns. The ideal candidate will have ...

    Fleet Performance Engineer: Data Driven Maritime Optimizer

    A leading logistics provider in the UK is seeking a Fleet Performance Engineer to focus on optimizing operational efficiency within their fleet. This role involves analyzing data to monitor and improve vessel performance, ensuring compliance with emissions regulations, and utilizing software solutions to track o ...

    Principal AI Adoption Engineer Hybrid, Global Impact

    Elanco in Hook, UK, is looking for a Principal Engineer – AI Adoption to join their Enterprise AI engineering team. The role involves defining a multi-year strategic roadmap for AI capabilities, consulting with various teams, and adopting new standards. Required qualifications include a Bachelor’s degree in Comp ...

    Senior Data Engineer Palantir Platform

    A technology solutions provider in Greater London is seeking a Senior Palantir Engineer to design and develop data processing software for Big Data technologies. The role involves collaborating with various teams to ensure code quality and operational readiness. Strong experience in Java, Scala, or Python and fa ...

    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 Test Design Engineer — Hybrid York, UK

    Adtran is seeking a skilled Senior Test Design Engineer at our York office to develop and implement functional tests for our products. The role involves designing software and hardware for test frameworks, automating tests in C++ and Python, and troubleshooting test equipment. The ideal candidate holds ...

    Senior Software Engineer, Conversation Memory Platform

    A leading UK banking institution is seeking a passionate Senior Software Engineer to enhance our Conversation Memory Platform. This hybrid role entails designing and deploying cloud-based solutions, ensuring high-quality, scalable applications, and leading a team of engineers. Ideal candidates will have a strong ...

    Senior Software Engineer, Unified Trade Platform & Orders

    DRW in London is looking for a Senior Software Engineer for their Unified Platform, focusing on trade management and order processing. This role involves building reliable and scalable systems, engaging in both legacy and green-field development, and promoting new technologies. Candidates should have e ...

    Senior Software Engineer Hybrid Build Impactful Tools

    A leading tech company is seeking a Senior Software Engineer to design and build innovative tools and platforms. This role involves delivering scalable solutions, championing best practices, and integrating data into insightful tools. Candidates should possess strong skills in JavaScript/TypeScript, Python, and ...

    Senior Credit Risk Analytics & Modelling Lead

    A leading global consultancy is seeking a Senior Manager for Credit Risk Analytics and Modelling in Greater London. The role involves providing credit measurement modelling services, leading a diverse team, and managing client engagements. Ideal candidates will possess expert credit modelling skills, be proficie ...

    Remote Cloud Image Automation Engineer

    A leading open source technology firm in Manchester is seeking a Software Engineer to work on Linux and cloud infrastructure. You will design and build features within Ubuntu, automate delivery pipelines, and collaborate with partners like Amazon and Google. The ideal candidate has a Bachelor's degree in Compute ...

    Secure Software Engineer for Defense Tech

    SiXworks in Cheltenham is searching for a Software Engineer to work on secure digital solutions supporting Defence and National Security. The role involves designing and building applications in Kotlin Jetpack Compose, implementing backend solutions using Rust, Python, or Go, and optimizing deployment processes ...

    Senior Test Engineer (Contract) – CI/CD Quality by Design

    Nixor is seeking a Senior Software Engineer in Test for a groundbreaking role in Manchester. This contract position emphasizes proactive quality engineering rather than traditional testing. Responsibilities include driving quality strategy, mentoring engineers, and integrating testing into CI/CD pipelines. The i ...

    Product Software Engineer Scale HealthTech Impact (Remote Wed)

    Flok Health Ltd. is seeking a Product Software Engineer at all levels to join their team in Cambridgeshire. The ideal candidates should have strong programming skills in TypeScript or Python and enjoy collaborating with design and product teams. Responsibilities include building new product features, improving a ...

    Software Engineer, Renewable Energy Platform (Hybrid)

    Habitat Energy Limited is looking for a Software Engineer to join their growing UK team based in Oxford. The role involves maintaining and developing applications for their renewable energy platform, while working closely with cross-functional teams. Requirements include 2+ years of Python experience, profici ...

    AI Agent Evaluation Engineer Part Time, Project Based

    Mindrift is seeking experienced developers or software engineers for part-time, project-based roles evaluating AI coding agents. Responsibilities include creating tasks and evaluation criteria within simulated environments and reviewing AI-generated code. Ideal candidates will have a degree in Computer Science, ...

    Research Engineer: Science of Scaling for Safe AI

    A leading AI research organization in Greater London is seeking a Research Engineer/Scientist to advance large language models. This role involves research and practical engineering to build reliable AI systems. Ideal candidates should have a strong software engineering background, proficiency in Python, and an ...

    Firmware & Test Automation Engineer Embedded & Cloud

    Vickerstock is seeking a Software / Firmware Test Automation Engineer in Lisburn, Northern Ireland to join their innovative R&D team. You will work on cutting-edge technologies in the renewable energy sector, executing both manual and automated test solutions. The role requires significant experience in test aut ...

    Senior Palantir Engineer: Scalable Data Solutions Lead

    A leading technology firm in Budock Water is seeking a Senior Palantir Engineer to design and develop data processing software for large-scale solutions. The ideal candidate will have strong experience in Java, Scala, or Python, and familiarity with data-processing platforms like AWS and Azure. This role emphasi ...

    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 ...

    GPU Performance Optimization Engineer

    A leading technology company in the United Kingdom is seeking a GPU Performance Analysis Engineer. This role focuses on developing and validating performance test plans for GPUs, analyzing performance issues, and collaborating with engineers to identify solutions. The ideal candidate will have strong skills in h ...

    Lead Data Platform Engineer Secure, Scalable Products

    A software security firm based in Belfast seeks a data platform expert to lead the development of cross-product data services. Responsibilities include designing customer data models, operationalizing data ingestion patterns, and ensuring reliable data products. Ideal candidates will have strong SQL and Python s ...

    Senior Fullstack Engineer, Signals Platform & Security

    Entrust Corporation is looking for a Senior Fullstack Software Engineer to join their Signals Team in London. The role involves developing secure applications for digital identity and authentication services, working across frontend and backend systems. The ideal candidate will possess 5+ years of expe ...

    GenAI Platform Engineer — AI Automation & ML Ops

    A leading company in animal health in Hook, UK is seeking a Software Engineer specializing in Generative AI. You will collaborate with a dynamic team to drive innovations in AI technology, focusing on implementation and continuous improvement. The role requires proficiency in Python and experience in MLops princ ...

    Engineering Manager, MAAS — Remote, Global Open Source Leader

    A leading open source technology firm is seeking an Engineering Manager to lead the MAAS team. This remote role requires expertise in software development with Python or Golang, and strong experience in Linux system administration. The successful candidate will coach and mentor a distributed team, setting expect ...

    Hybrid NLP/LLM Research Engineer (PhD)

    A leading software company in Cambridge is seeking a Machine Learning Research Engineer. This role requires a Ph.D. relating to classic Machine Learning and Natural Language Processing. The ideal candidate will work on cutting-edge ML research including prototyping and implementing new AI solutions. Strong skill ...

    Senior Software Engineer Security Cleared, Secure Cloud Native

    A leading digital products company in the UK is looking for Senior and Principal Engineers to design secure, scalable software in agile teams. Applicants must hold active or recently active SC or DV clearance and possess strong experience in delivering production systems. Proficiency in modern programming langua ...

    Senior Software Engineer — Scale a £5B Home Services Platform (Remote)

    A leading cleaning technology platform in London is looking for a full-stack Senior Software Engineer to tackle complex problems and develop scalable solutions. You will collaborate closely with the tech team to enhance user experiences and be involved in the architectural decisions. The ideal candidate has stro ...

    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 ...

    Remote Security Researcher – Adversarial Bot Detection

    Jobgether is seeking a Security Researcher specialized in Bot Detection Adversarial Research in the United Kingdom. This technical role involves analyzing and countering advanced bot detection systems and reverse engineering protective measures. Ideal candidates have over 5 years of experience in secur ...

    Graduate Pricing Actuary Launch Your Actuarial Career

    A leading global reinsurer is seeking a Graduate Trainee Pricing Actuary for a 12-month role in London. This opportunity offers hands-on experience in pricing decisions across various insurance lines, working with a diverse range of professionals. The ideal candidate will have an analytical background, familiari ...

    Senior Test Design Engineer — Hybrid York, UK

    Adtran is seeking a skilled Senior Test Design Engineer at our York office to develop and implement functional tests for our products. The role involves designing software and hardware for test frameworks, automating tests in C++ and Python, and troubleshooting test equipment. The ideal candidate holds ...

    ML Engineer: Distributed Training & Low Latency Inference

    IMC Trading is seeking a Machine Learning Engineer to develop systems that advance the training and deployment of large-scale ML models. Collaborate with experts in hardware and software to enhance trading strategies through innovative solutions. Key responsibilities include building distributed traini ...

    Senior Data Engineer Palantir Platform

    A technology solutions provider in Greater London is seeking a Senior Palantir Engineer to design and develop data processing software for Big Data technologies. The role involves collaborating with various teams to ensure code quality and operational readiness. Strong experience in Java, Scala, or Python and fa ...

    Lead Product Data Scientist Operations Decision Systems

    British Airways is looking for a Principal Product Data Scientist in London. You will join the Operations Delivery Intelligence directorate, focusing on creating decision-support software using advanced machine learning techniques. The ideal candidate will have a master's degree or extensive experience in data s ...

    Quantum Data Scientist: Predictive Modeling for Hardware

    Oxford Quantum Circuits is seeking a Data Scientist to accelerate the development of quantum hardware through data-driven insights and modelling. The successful candidate will work at the intersection of science, engineering, and software, transforming complex datasets into actionable intelligence to guide cr ...

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      Software Developer Php Mysql Python Jobs in United Kingdom Job Search Guide, Trends and Insights