Senior Java Python Engineer Jobs in UK

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Senior Backend Engineer — Architect Scalable Microservices

A global marketing and communications company is seeking a Senior Backend Engineer to lead the design and development of backend systems. This role involves writing high-quality code, architecting distributed services, and collaborating closely with teams. Candidates should have a strong background in Python and ...

Senior System Verification Lead – Audio/Video (Contract)

A recruitment firm is seeking a Senior System Verification Engineer for a 6-month contract in Edinburgh, Scotland. The role involves leading verification efforts for cutting-edge audio and video products, designing test plans, and troubleshooting complex systems. Candidates must have extensive experience in syst ...

Senior Network Observability Engineer — Hybrid & Impactful

A cutting-edge tech company is seeking a Senior Engineer for Network Observability to join their team. You will design and maintain systems that monitor network performance, using tools like Prometheus and Grafana. The ideal candidate has a strong background in Python, experience with Kubernetes, and is passiona ...

Senior Network Test Engineer – Remote/Hybrid

A leading technology recruitment firm seeks a Senior Test Engineer to work on innovative projects in Edinburgh. This remote or hybrid role involves validating IP routing in virtualized systems and requires extensive networking experience, particularly with Multicast and advanced protocols. Candidates should be p ...

Senior Platform Engineer — Cloud Native Platform & Automation

A leading cloud technology firm in Greater London is looking for a Senior Platform Engineer to design and maintain platform components for their cloud-based solutions. You will work collaboratively across teams, contribute to architectural decisions, and resolve complex issues. Ideal candidates will possess stro ...

Senior ML Engineer: Production ML on Databricks

A global specialty lines (re)insurer in England seeks a Senior Machine Learning Engineer to lead the design and development of production ML models. The ideal candidate will have a Bachelor’s degree in a STEM subject and extensive experience in machine learning and data engineering. This hybrid role involves wor ...

Senior PyTorch Software Engineer — GPU AI Performance

A technology company in Cambridge is looking for a Senior PyTorch Software Development Engineer to lead the development and optimization of AI models on GPUs. This role entails collaboration with internal teams and the PyTorch community to enhance performance. The ideal candidate should have deep expertise in C+ ...

Senior AI Engineer: Lead ML/AI, Flexible + Equity

A global software development powerhouse in Cambridge is seeking a Senior AI Engineer to create and implement transformative AI solutions for clients. The ideal candidate will have over 5 years of AI/ML experience and be proficient in Python, TensorFlow, and cloud platforms. You will work in a collaborative envi ...

GenAI DevSecOps Engineer: GitOps, Helm & ArgoCD

A tech consulting firm is seeking a DSO Engineer to enhance scalable deployments and manage CI/CD pipelines. The ideal candidate should have robust experience with Helm and GitOps, proficiency in Python, and strong CI/CD management skills. Responsibilities include designing Helm charts, overseeing CI/CD, and imp ...

Senior Full Stack Engineer — AI Video Studio (Hybrid UK)

A cutting-edge technology company based in London is seeking a Senior Full Stack Software Engineer. This role involves collaborating with cross-functional teams to design and implement features that enhance video content creation using AI tools. The ideal candidate will have 3-5 years of experience, proficiency ...

Senior GenAI Innovation Lead & Architect (Hybrid)

A prominent global financial services firm in London is seeking an experienced senior engineer to lead AI solutions and innovative projects. The role entails managing teams and delivering advanced solutions in a collaborative environment with a hybrid working model. Candidates should possess strong technical bac ...

Senior AI Engineer: Agentic LLM Architect

A leading global digital marketing firm is seeking a Senior AI Agent Engineer with at least 3 years of experience in AI and LLMs. You will design, develop, and deploy intelligent systems while collaborating with cross-functional teams. The ideal candidate should have strong skills in Python, proven ability with ...

Senior NetDevOps Engineer Hybrid Cloud & Zero Trust

A leading recruitment agency is looking for a Senior Infrastructure Engineer to work in the UK, specifically in Manchester, Blackpool, Newcastle, Leeds, or Birmingham. The successful candidate will design and enhance enterprise network infrastructure across various environments, implement network traffic flows, ...

Senior Staff Engineer, AI Platform Architect

A financial technology company based in Edinburgh is seeking a Staff Engineer to lead technical initiatives, mentoring Senior Engineers and setting the technical direction for their platform. This role involves working with company leadership to define strategic architecture and solve complex problems collaborat ...

Senior GenAI Engineer: Production LLMs, Hybrid UK

A leading AI consultancy in the UK is seeking a Senior AI Engineer to work on production-grade LLM and GenAI solutions. This role involves designing, building, and shipping enterprise GenAI systems using Python. Candidates should have a solid engineering background, hands-on production experience with LLMs, and ...

Senior Modelling Engineer AI Accelerator IP (Pre Silicon)

A leading technology company in the UK is seeking a Senior Modelling Engineer to develop pre-silicon models for their innovative AI acceleration hardware. The role involves collaboration with hardware and software teams to drive architecture and performance evaluation. Candidates should have over 5 years of expe ...

Graduate Full Stack Engineer: Build Scalable APIs & UI

A growing fintech company in Birmingham is seeking a motivated Graduate Full‑Stack Engineer to join their tech team. The ideal candidate will work on backend and frontend development, focusing on API creation using Python and FastAPI, and frontend tasks involving TypeScript, Next.js, and React. This role emphasi ...

Senior Firmware Engineer Bare Metal ARM & Motion Control

A leading recruitment firm is seeking a Senior Firmware Engineer to join their R&D team in Milton, United Kingdom. The role involves developing and optimising bare-metal firmware for ARM-based microcontrollers and collaborating closely with hardware engineers on driver development. Candidates should have 3+ year ...

Senior Fullstack Engineer: Admin & AI Enablement (Remote)

A leading tech company in Greater London is seeking an experienced Senior Fullstack Engineer to develop their internal back office platform with a focus on AI enablement. You will build full-stack features, work with modern technologies like Vue and Python, and mentor junior engineers. The role allows for flexib ...

Real Time Cloud Data Platform Engineer – Analytics & Streaming

A data solutions company is seeking a Cloud Data Platform Engineer in London. The role involves designing and scaling data platforms for analytics and streaming. Candidates should have strong experience with AWS, Google Cloud, or Azure, as well as skills in SQL and Python. The position requires collaboration wit ...

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. ...

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 ...

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 ...

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 ...

ML Platform Architect LLMs, MLOps & Tooling

A progressive technology group in the UK is seeking a Senior Machine Learning Engineer to enhance AI adoption across its engineering teams. This role involves leading AI-assisted development projects, configuring AI tools, and fostering a collaborative environment. Candidates should have over 5 years of ML engin ...

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 ...

Senior Spacecraft Software Engineer: GNSS & Mission Systems

A pioneering space technology organization in Glasgow is seeking a Senior Spacecraft Software Engineer to develop software for GNSS missions. The successful candidate will operate across system layers, ensuring reliable data delivery from space to users. This role requires strong programming skills in C++ and Py ...

Senior Data Engineer – Search & AI Platform | Flexible Hours

A global leader in information and analytics is seeking a Senior Data Engineer for their Search and AI Platform in London. The role involves designing and maintaining scalable data pipelines, developing ELT/ETL workflows, and collaborating with teams to deliver impactful solutions. Candidates should have strong ...

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 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 ...

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 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 ...

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 ...

Software Engineer Crafting Scalable Solutions

A leading AI solutions provider in the UK is seeking a Software Engineer to join their Defence team, focused on pushing the boundaries of cloud and edge computing. You will work closely with senior technical leaders to implement robust practices and deliver high-value, scalable technologies. Candidates should ha ...

Senior Software Engineer — Healthtech Impact (Hybrid London)

A leading healthtech company is seeking a Senior Software Engineer to lead the development of software that enhances proactive healthcare solutions. You will work within a cross-functional squad to build high-quality applications that improve patient outcomes. Ideal candidates should have extensive experience in ...

Senior ML Engineer: Agentic AI & LLM Systems

A leading technology firm in the UK is seeking a Senior Machine Learning Engineer II to enhance document intelligence and automate workflows. You will build crucial systems, collaborate with teams, and contribute to AI-driven products. Ideal candidates have over 8 years of experience in machine learning, profici ...

Senior ML Engineer (Hybrid, Cambridge) – Production ML

A leading FinTech/InsurTech company in Cambridge is seeking a Senior Machine Learning Engineer to design and deploy ML models to enhance fraud detection and risk management. Candidates should have over 4 years of experience with strong Python skills, proficiency in deploying ML models, and a collaborative spirit ...

Senior BI Engineer — Lead Cloud Data & Stakeholder Delivery

A leading insurance provider in Bournemouth seeks a Senior BI Engineer to lead stakeholder engagement and deliver cloud-based BI solutions. Key responsibilities include managing BI workstreams, utilizing cloud technologies, and ensuring data governance. Candidates should have extensive BI development experience ...

Senior Systems Engineer Embedded Avionics & Typhoon

A leading defense technology company in the UK is seeking a Senior Systems Engineer for their team at RAF Coningsby. The role involves providing expert analysis and support for Typhoon mission systems while collaborating with a multidisciplinary team. Ideal candidates will have a background in systems engineerin ...

Senior ML Engineer for National Security Solutions

A company developing AI/ML solutions is seeking a Senior Machine Learning Engineer to join a multidisciplinary team in Gloucester. You will lead client engagements, design prototypes, and mentor junior engineers. The ideal candidate has a degree in a relevant field and strong programming skills, especially in Py ...

London based Senior Software Engineer – Travel Platform

A leading travel management company is looking for a Senior Software Engineer in London. This role involves developing a travel-related web product using Python and Django, integrating with 3rd party APIs, and designing system architectures. Candidates should possess a strong programming background, a passion fo ...

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 ...

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 Full Stack Engineer, Promotions Platform — Drive Growth

A leading global delivery platform is looking for a Senior Full-Stack Engineer to join the Promotions team in London. In this role, you'll build scalable systems and user-facing tools to enhance how merchants grow through promotions. You will work with technologies like React, Kotlin, and Python, driving cross-f ...

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 ...

Senior ML Platform Engineer Scale ML Pipelines & Serving

A leading food delivery service in Greater London is searching for a Senior Machine Learning Platform Engineer to enhance their platform for machine learning models. In this hybrid role, you will create infrastructure for training and deployment, ensure efficient collaboration across teams, and build scalable so ...

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    Senior Java Python Engineer Jobs in United Kingdom Job Search Guide, Trends and Insights