Senior Software Engineer Fullstack Python React Jobs in UK

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Senior Product Engineer (Frontend)

Senior Product Engineer (Frontend) – AI‑Native SaaS Platform | Tripled ARR in 12 months Remote‑first (UK) with hybrid London office option Up to £130,000 + equity Tech stack: Typescript/Node, React, GCP/AWS We’re working with a rapidly scaling AI‑native SaaS company that r ...

Senior SDET, Data/ETL & Observability (Remote)

A leading tech recruitment service is seeking a Senior Software Engineer in Test specializing in Data and ETL. This fully remote role involves ensuring data quality and reliability across large-scale systems, designing test automation frameworks, and collaborating with various teams in a dynamic environment. Can ...

Senior SDET, Data/ETL & Observability (Remote)

A leading tech recruitment service is seeking a Senior Software Engineer in Test specializing in Data and ETL. This fully remote role involves ensuring data quality and reliability across large-scale systems, designing test automation frameworks, and collaborating with various teams in a dynamic environment. Can ...

Frontend Developer

Pipped Cambridge, England, United Kingdom Frontend Developer Pipped Cambridge, England, United Kingdom Front-End Developer (TypeScript / React) Location: Cambridge (Hybrid - In office 3 days per week) Type: Full-time, permanent A ...

Sensors Data Calibration Engineer for Robotics (Contract)

A technology consulting firm in London is seeking a Datasets Software Engineer (Contractor) to support data calibration workflows. The role involves designing calibration workflows for robotics sensors and developing reusable pipelines to standardize data. Ideal candidates should have strong Python skills and ex ...

Senior Software Engineer AI Driven Real Estate Platform

A fast-growing AI startup in the real estate sector is seeking a Senior Software Engineer to shape their platform and lead the technical roadmap. The ideal candidate will have experience with cloud infrastructure, particularly AWS, and a solid background in Python. This role offers the opportunity to work in a t ...

Senior Java Engineer Front Office Pricing & Risk (London)

A financial technology company in London is seeking a Senior Java Software Engineer to join their core development team. The ideal candidate will have over 8 years of experience with Java and Python, and a strong background in trading and pricing solutions. This role involves technical leadership and collaborati ...

Senior Front Office Trading Analytics Engineer

A global leader in energy trading seeks a Senior Front Office Software Engineer to enhance trading processes and analytics. This role involves building high-performance Python services and cloud-native tools to support traders, requiring expertise in programming, SQL, and DevOps practices. Candidates with experi ...

Senior Systems Engineer: Performance & Reliability Analytics

Graphcore is seeking a Senior Systems Engineer focused on Performance & Reliability in London. This role involves analyzing performance data from large-scale systems and supporting critical engineering decisions. Candidates should have extensive software engineering experience, proficiency in Python, and familia ...

Senior Linux Systems Engineer Scalable Reliability

Graphcore in London is seeking a Senior Systems Engineer to expand measurement coverage on Linux systems and validate performance and reliability for production. Candidates should have strong engineering backgrounds, especially in software across projects, with proficiency in Python and experience in automation ...

Sensors Data Calibration Engineer for Robotics (Contract)

A technology consulting firm in London is seeking a Datasets Software Engineer (Contractor) to support data calibration workflows. The role involves designing calibration workflows for robotics sensors and developing reusable pipelines to standardize data. Ideal candidates should have strong Python skills and ex ...

Senior Software Engineer AI Driven Real Estate Platform

A fast-growing AI startup in the real estate sector is seeking a Senior Software Engineer to shape their platform and lead the technical roadmap. The ideal candidate will have experience with cloud infrastructure, particularly AWS, and a solid background in Python. This role offers the opportunity to work in a t ...

Senior Java Engineer Front Office Pricing & Risk (London)

A financial technology company in London is seeking a Senior Java Software Engineer to join their core development team. The ideal candidate will have over 8 years of experience with Java and Python, and a strong background in trading and pricing solutions. This role involves technical leadership and collaborati ...

Senior Front Office Trading Analytics Engineer

A global leader in energy trading seeks a Senior Front Office Software Engineer to enhance trading processes and analytics. This role involves building high-performance Python services and cloud-native tools to support traders, requiring expertise in programming, SQL, and DevOps practices. Candidates with experi ...

Senior GenAI Engineer: Build Enterprise AI Features

Anaplan is seeking a Senior GenAI Engineer to develop innovative AI features and applications that enhance business planning. The role includes backend API development, model integration, and building user-friendly interfaces. Candidates should have strong Python skills, experience with LLMs, and a background in ...

Senior GenAI Engineer: Build Enterprise AI Features

Anaplan is seeking a Senior GenAI Engineer to develop innovative AI features and applications that enhance business planning. The role includes backend API development, model integration, and building user-friendly interfaces. Candidates should have strong Python skills, experience with LLMs, and a background in ...

C# Backend Software Engineer hiring all levels (grad senior)

Job Title: Senior Software Engineer (C#/.NET) Location: Newcastle Company: Consultancy Salary: Up to 130k (depending on experience) Platform Recruitment has partnered with a high-calibre consultancy that is growing rapidly and building out new ...

Software Engineer in Test & Software Development Engineer in Test

Would you like to be part of an award‑winning technology company at the forefront of computer graphics, video capture, and digital display solutions? Founded in 1982, Datapath has grown into a global leader in video processing, control, and management solutions. Today, our technology is dis ...

Software Engineer in Test & Software Development Engineer in Test

Would you like to be part of an award‑winning technology company at the forefront of computer graphics, video capture, and digital display solutions? Founded in 1982, Datapath has grown into a global leader in video processing, control, and management solutions. Today, our technology is dis ...

Senior Platform Engineer in Hook Elanco Animal Health Incorporated

Senior Platform Engineer Hook, UnitedKingdom Posted 9 months ago Tech stack TensorFlow Artificial Intelligence PyTorch either Python TypeScript Minimum Qualifications Proven Experience in Deliv ...

Android Mobile Software Engineer | $200/hr Remote | Mercor

Android Mobile Software Engineer | $200/hr Remote | Mercor Join to apply for the Android Mobile Software Engineer | $200/hr Remote | Mercor role at Crossing Hurdles. Be among the first 25 applicants (4 days ago). This range is provided by Crossing Hurdles. Your actual pay ...

Senior Trading Systems Engineer

Our client is a well-established, globally recognised multi-strategy hedge fund managing approximately $9 billion in assets. They are looking for a Senior Trading Systems Developer to be the sole technical presence in their London office; owning the full trade life cycle stack end-to-end and workin ...

Senior Software Engineer C#/.NET & Angular, AI SaaS

A leading technology firm in the United Kingdom is seeking a Senior Software Engineer to modernize and enhance a key AI product. You'll work on a dynamic agile team, delivering innovative features with a focus on cloud-native infrastructure. This role requires expertise in Python and/or C#, experience with AWS, ...

Senior Hardware Architect for AI Accelerator Systems

A leading AI technology firm based in the United Kingdom seeks a Senior R&D Engineer - System Architecture. This role focuses on designing and optimizing hardware architecture for AI platforms, requiring a Master's or Ph.D. in relevant fields. The candidate should have experience in software and hardware develop ...

Lead Software Engineer (.NET/JS) – Hybrid, Expenses Covered

A leading psychometric solutions company is seeking a Lead Engineer to join its growing team. You will provide technical leadership, mentor engineers, and drive software development using modern technologies. The ideal candidate has 5+ years of experience in software development and strong skills in .Net, React, ...

Remote Backend Engineer — Crypto Payments Platform

A rapidly growing fintech company based in the United Kingdom is looking for a skilled Software Engineer to enhance and develop innovative products. The role supports remote work, offering a competitive salary and equity package, along with benefits like unlimited holidays and a hybrid working schedule. Ideal ca ...

Associate Software Engineer 3D Printing & CAD (Hybrid)

Stratasys Ltd is hiring an Associate Software Engineer in Cambridge, UK, to work in a hybrid environment. The role involves providing technical vision, mentoring engineers, and designing software features using technologies like React and TypeScript. Candidates should hold a BSc or BA in a relevant field and hav ...

Lead Software Engineer (.NET/JS) – Hybrid, Expenses Covered

A leading psychometric solutions company is seeking a Lead Engineer to join its growing team. You will provide technical leadership, mentor engineers, and drive software development using modern technologies. The ideal candidate has 5+ years of experience in software development and strong skills in .Net, React, ...

Lead Full Stack Web Developer Hedge Fund

We are looking for an experienced Lead Full-Stack Web Developer to join an established Hedge Fund. You will be hands-on and involved throughout the entire software lifecycle; design, deployments and continuous improvement whilst leading a small global team. Requirements: </ ...

Lead Full Stack Engineer (.Net, Vue/React) Fully Remote CET Timezone

Overview Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote CET Timezone. This role offers the opportunity to lead the development of a cutting-edge SaaS platform for the insurance industry. As Lead Full Stack Engineer, you will guide both front-end and back-end development, ensuring scalab ...

Lead Full Stack Engineer (.Net, Vue/React) Fully Remote CET Timezone

Overview Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote CET Timezone. This role offers the opportunity to lead the development of a cutting-edge SaaS platform for the insurance industry. As Lead Full Stack Engineer, you will guide both front-end and back-end development, ensuring scalab ...

Principal Embedded Software Engineer

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanc ...

Principal Embedded Software Engineer

Principal Embedded Software Engineer Location: Fareham, Hampshire (Hybrid working available) Salary: £70,000 – £80,000 Job Type: Full-time, Permanent Visa Sponsorship Available An advanc ...

Technical Lead

Technical LeadAre you looking for a role where you can define how things are built as well as build them? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to create the technical framewor ...

Technical Lead

Technical LeadAre you looking for a role where you can define how things are built as well as build them? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to create the technical framewor ...

Senior Full stack Engineer

Senior Full Stack Engineer (TypeScript) Ocho People | Technology Recruitment Senior Full Stack role at a world-leading financial markets infrastructure organisation Brand new platform built in partnership with AWS, genuinely greenfield work TypeScript ...

Lead React/TypeScript Engineer AI Driven Frontend Leader

Experian is seeking a Lead Software Engineer to join their engineering team in Nottingham. This role focuses on leading the design, implementation, and continuous improvement of scalable software solutions. The ideal candidate will have a strong background in React and Typescript, collaborating with stakeholders ...

Lead React/TypeScript Engineer AI Driven Frontend Leader

Experian is seeking a Lead Software Engineer to join their engineering team in Nottingham. This role focuses on leading the design, implementation, and continuous improvement of scalable software solutions. The ideal candidate will have a strong background in React and Typescript, collaborating with stakeholders ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia Ltd. is seeking a Principal Software Engineer with UK Security Clearance eligibility to lead software engineering efforts. This role involves hands-on technical leadership, shaping architecture, and mentoring engineers. The ideal candidate possesses strong experience in Domain Driven Design, microservice ...

Lead Software Engineer Fintech, Hybrid, Azure & AI

A financial technology company in London is seeking a Lead Software Engineer to drive technical excellence and oversee high-impact projects. You'll manage and mentor software engineers while remaining hands-on in development. The ideal candidate has extensive experience with C#/.Net and React, along with strong ...

Lead React/UI Engineer Build Scalable, Secure UIs

JPMorganChase is looking for a Lead Software Engineer based in Glasgow. In this role, you will be part of an agile team responsible for developing trusted market products. You will execute creative software solutions, develop high-quality code, and lead evaluation sessions. Candidates should possess hands-on exp ...

Lead Software Engineer Fintech, Hybrid, Azure & AI

A financial technology company in London is seeking a Lead Software Engineer to drive technical excellence and oversee high-impact projects. You'll manage and mentor software engineers while remaining hands-on in development. The ideal candidate has extensive experience with C#/.Net and React, along with strong ...

Lead Software Engineer – Global Rights Platform

A global music entertainment company is seeking a seasoned Lead Software Engineer for their London office. The role involves collaborating with cross-functional teams to build products and improve user experiences for artists and record labels. Ideal candidates should possess over 20 years of software engineerin ...

Lead React/UI Engineer Build Scalable, Secure UIs

JPMorganChase is looking for a Lead Software Engineer based in Glasgow. In this role, you will be part of an agile team responsible for developing trusted market products. You will execute creative software solutions, develop high-quality code, and lead evaluation sessions. Candidates should possess hands-on exp ...

Principal Embedded Software Engineer

Location: Fareham, Hampshire (Hybrid working available) Job Type: Full-time, Permanent An advanced technology company based in Fareham, Hampshire is looking to recruit a Principal Embedded Software Engineer to join its growing engineering team. This is a senior-level ...

Full Stack Software Engineer Data Observability & Operational Tooling

Full Stack Software Engineer - Data Observability & Operational Tooling About Accelerant Accelerant is a data-driven risk exchange connecting underwriters of specialty insurance risk with risk capital providers. Accelerant was founded in 2018 by a group of longtime insurance indus ...

Java Full Stack Engineer (React/Angular) – Hybrid & AI Enabled

A leading global technology consultancy is seeking an experienced Java FullStack developer (ReactJS & AngularJS) to oversee project delivery and contribute to high-quality software solutions. The ideal candidate will have strong expertise in the banking domain, Java 17+, and Spring Boot, along with familiarity i ...

Drupal Developer

Senior Recruitment Consultant - IT Specialist Supporting Start-Ups to Large Scale Companies with Professionals Globally Contract Drupal Software Developer (Drupal 9/10) £400-450 p/d Outside IR35 contract, 3 months initial, open to extensions F ...

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    Senior Software Engineer Fullstack Python React Jobs in United Kingdom Job Search Guide, Trends and Insights