Software Developer Pythonreact Jobs in London, UK

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Crypto Quant Trader: Build Automated Trading Algorithms

A leading crypto capital markets partner in the UK is seeking a Quant Trader to create innovative trading algorithms for the cryptocurrency markets. The ideal candidate will have a degree in a technical field, strong analytical skills, and experience in software development. This role involves analyzing market d ...

EMEA Customer Success Manager Cybersecurity AI, Remote

A leading security technology firm is seeking a Customer Success Manager to own the post-sale experience for enterprise customers. The role emphasizes driving retention, expansion, and product adoption through insights and relationships. Ideal candidates will have over 5 years in B2B software and experience with ...

Senior Backend Engineer AI Platform & Scalable Systems

A leading AI technology firm in Greater London is seeking a Backend Engineer to own and architect systems essential for AI agents. In this role, you will design resilient infrastructure ensuring reliability and rapid iteration. Candidates must have extensive experience in production software development, strong ...

Java Backend Engineer Real Time Sports Platform

A leading sports technology company in Greater London seeks a passionate Software Engineer (Java) to build innovative solutions that engage sports fans. The role involves developing high-quality Java applications, collaborating with cross-functional teams, and enhancing skills in a supportive environment. Key sk ...

Client Solutions Engineer

A leading fundraising software company based in the UK is seeking a Solutions Specialist to support charity clients with project implementations and timely client queries. The ideal candidate should have a strong understanding of web technologies, excellent communication skills, and be detail-oriented. You will ...

Senior Roblox Engineer — Live Games & Global Impact

A leading gaming company is seeking a Software Engineer to enhance a popular game on Roblox. Responsibilities include building new features, optimizing game systems, and collaborating with creative teams. The ideal candidate has a strong background in computer science, at least 2 years of Roblox development expe ...

Research Engineer, ML Systems at Scale (Hybrid)

A recruitment firm is seeking a Software Engineer for a hybrid role in Greater London. The position focuses on advancing machine learning technologies through research and collaboration with various teams. Candidates should have a Bachelor's degree in a relevant field, at least 2 years of experience in machine l ...

Senior Backend Architect & Tech Lead

A leading aerospace and defense company in Greater London is seeking a Principal Software Engineer to lead and develop crucial backend systems. The ideal candidate will have extensive experience in backend and frontend technologies, along with strong capabilities in DevOps practices. This role involves guiding t ...

Senior Project Architect | Hybrid Work & Design Leadership

A global engineering consulting firm in Greater London seeks a motivated Project Architect to join their team. The role involves taking ownership of projects from concept through delivery, collaborating closely with multidisciplinary teams. Candidates should be RIBA Part 3 qualified, with experience in various s ...

Hybrid Full Stack Engineer Build Next Gen Banking Tech

A leading fintech company in London is seeking a skilled Software Engineer to design and implement modern banking solutions. You will work on the full stack, developing both backend services and frontend applications. The ideal candidate has extensive experience with React and TypeScript, alongside a passion for ...

Backend Engineer, Platform & Integrations — Python

A Series A startup in Greater London is seeking Backend Engineers to design and build robust platform systems in Python and TypeScript. The role involves developing integrations, owning projects end-to-end, and collaborating with a high-caliber team. Ideal candidates will have strong experience in software engin ...

Strategic Enterprise Architect: Java J2EE & Cloud (BFSI)

A leading technology firm in Greater London is seeking an experienced Enterprise Architect (Java J2EE) for a contract role in the BFSI domain. Responsibilities include driving architectural discussions, leading application modernization, and designing cloud solutions on Microsoft Azure. Ideal candidates will hav ...

Director, UK Defence Sales – SC Clearance

A leading technology company in the UK is seeking a UK Defence Sales Director. This role focuses on driving the sales strategy for the UK Defence Sector, nurturing existing accounts and developing new client relationships. The ideal candidate should have a strong understanding of UK Defence issues, a successful ...

Senior AI Enterprise Sales Executive EMEA

A leading AI solutions provider in Greater London is seeking a Senior Enterprise Account Executive to identify and engage enterprise clients across EMEA. You will lead complex sales cycles, build strategic account plans, and drive measurable outcomes. The ideal candidate will have over 10 years of experience in ...

Solutions Architect IT & Data Science for Biotech

A leading biotech company in Greater London seeks a skilled Solutions Consultant to leverage software systems and data science for life sciences R&D. You will engage with IT leaders to identify pain points and design effective IT integrations. With a focus on cloud-based systems and data management, you will col ...

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 ...

Production AI Engineer for Enterprise LLM Solutions

A leading AI technology firm is seeking an AI Engineer in London to design and deploy production-grade AI systems powered by LLMs. You will work with Fortune 500 companies, transforming complex workflows with cutting-edge AI applications. The ideal candidate has over 3 years of software engineering experience, s ...

Senior Lead Architect Strategic Enterprise Architecture

A leading financial services firm in the UK is seeking a Senior Lead Architect to shape architecture strategies in Asset & Wealth Management. This role involves collaboration with cross-domain teams, technical guidance, and driving innovative solutions. The ideal candidate should have over 10 years in architectu ...

Senior Account Solutions Consultant, CX Orchestration

A leading software company in Greater London is seeking a Senior Solutions Consultant to engage with strategic enterprise accounts. This role involves understanding customer business challenges and demonstrating the value of digital solutions. Ideal candidates will have a robust technical and marketing backgroun ...

Global Director, Solutions Consulting

A leading design software company based in Greater London is seeking a Director, Solutions Consulting to lead their international teams. The role involves building and managing high-performing teams, partnering with sales leadership, and refining processes for customer engagement. Candidates should have over 10 ...

QA Engineer: Move from Manual to Automation (Hybrid London)

A leading recruitment firm in Greater London seeks a mid-level Application Test Engineer for an insurance business. The role involves manual testing with opportunities to grow into automation. Candidates should possess 5+ years in software testing and experience in Agile environments. Key responsibilities includ ...

Nordic & Benelux Regional Sales Director SaaS Growth Leader

A leading collaboration platform provider is seeking a Regional Sales Director for the Nordic & Netherlands regions. This role requires leadership of a team of Account Executives, strategic sales management, and building relationships with clients to maximize growth. The ideal candidate will have extensive exper ...

Senior Payments Product Leader, Data & Strategy

A leading risk management firm in the UK is looking for a Senior Payments Product Manager to lead the data strategy and product vision within the Payments portfolio. The ideal candidate will have a strong customer focus and proven experience in managing software or payments products within a regulated environmen ...

Founding Cloud Security Engineer — Equity & Impact

A cloud security startup is seeking a Founding Engineer to build the future of cloud intrusion detection. You'll deploy innovative security solutions while directly collaborating with the founders. Ideal candidates have extensive experience in production-grade software and are proficient in languages such as C# ...

Senior Python Engineer — High Impact, Hybrid

A technology company in Greater London is looking for a Senior Software Engineer to build and scale a high-impact ad-fraud prevention platform. This senior individual contributor role emphasizes ownership and quality in engineering. Candidates should have extensive experience in modern product teams, proven skil ...

Senior Kotlin Engineer – FinTech, Equity, Remote

A leading fintech company in Greater London is seeking a Senior Kotlin Engineer to contribute to the development of innovative financial products. You will work with an exceptional team to solve complex engineering challenges while building elegant software solutions. The ideal candidate has strong commercial Ko ...

Strategic Enterprise Planning Architect

A leading enterprise planning software firm in Greater London is seeking an experienced Solution Architect to join their Professional Services team. This role involves leading the design and delivery of innovative connected planning solutions for finance and supply chain. The ideal candidate will have a strong c ...

Hybrid D365 Solution Architect Lead Architecture

A leading consulting firm in Greater London is seeking a Solution Architect to design and deliver innovative architecture solutions. This role involves working in a hybrid environment, collaborating with various stakeholders, and utilizing methodologies like TOGAF and SAFe. The ideal candidate will have a strong ...

Hybrid Solutions Architect — Dynamics 365 & Power Platform

A consulting firm is looking for an experienced Solution Architect specializing in Microsoft Dynamics 365 to lead digital transformation initiatives. The role, based in London and offering hybrid flexibility, demands at least 10 years in enterprise software implementation, with a strong emphasis on strategic clo ...

Data Architect in London Accenture

Migration Approach Data integration approach Experience Being a hands-on data architect (only when needed) with program languages Java, Scala , and Python. Accenture is a global professional services company offering expertise in digital, cloud, and security solutions ...

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 ...

Data Architect Migration & Tech Lead (Java/Scala/Python)

Migration Approach Data integration approach Experience Being a hands-on data architect (only when needed) with program languages Java, Scala , and Python. Accenture is a global professional services company offering expertise in digital, cloud, and security solutions ...

Senior Rust AI Inference Engineer – Greenfield Stack

A cutting-edge AI hardware company in London is looking for Rust engineers to join their new team. You will write server-side software for AI inference stacks and develop cloud-based tools. Ideal candidates are problem-solvers with strong systems-level engineering experience, proficient in Rust, C, or C++. This ...

Lead Platform Engineer, Core Banking (Go/Python)

A leading global financial services firm based in Greater London is searching for a Lead Software Engineer. This position involves designing and developing scalable microservices, mentoring team members, and crafting high-quality production code. Candidates should have advanced knowledge in programming languages ...

Senior Frontend Engineer Client SDK & UI Platform

A leading API platform company is seeking a Senior Software Engineer for their Client SDK (UI Platform) in Greater London. This role involves designing scalable front-end solutions, optimizing performance, and mentoring engineers. The ideal candidate has 5-10 years of experience, with deep knowledge in JavaScrip ...

Senior Flood Risk & Hydrology Lead (Hybrid)

A leading consulting firm in London is seeking a Senior Flood Risk Consultant to join their Water team. The successful candidate will engage in business development and manage varied projects, focusing on hydrological and hydraulic modelling. The role offers hybrid working and opportunities for professional adva ...

Strategic Enterprise Sales Director

A leading software consultancy based in Greater London is searching for a Business Development Director to spearhead strategic sales efforts. This role involves developing new business relationships and turning prospects into long-term clients. The ideal candidate will possess exceptional communication skills an ...

EMEA VP, Account Management – Comms & Media (On site)

A global software provider based in London is seeking a Vice President of Account Management to lead the EMEA Comms & Media vertical. This critical leadership role focuses on managing premium client relationships and driving growth through strategic planning. The ideal candidate will have substantial experience ...

Senior Card Processing Engineer Scale Fintech & Lead

A fintech company in Greater London seeks a Senior Card Processing Software Engineer to lead technical decisions and scale card processing services. The role requires deep expertise in card issuing and acquiring, with at least 5 years experience in backend systems engineering. You will manage and mentor new engi ...

Senior Technical Architect — Azure & Cloud Native Lead

A global insurance company is looking for a Technical Lead in Architecture based in Greater London. The role includes guiding the team in custom business applications development and ensuring alignment with business needs while using cutting-edge technologies. Ideal candidates will have strong Azure Cloud archit ...

Senior Ruby on Rails Lead — Scale, Mentor

A leading experience commerce platform in Greater London is looking for a Senior Software Engineer to develop core services and mentor team members. This role involves coding in Ruby on Rails, leading project deliveries, and collaborating on technical decisions. Candidates should have over 5 years of programming ...

Senior Technical Architect – Secure Cloud, Hybrid

A global technology services company in London seeks an experienced Technical Architect to lead the design of scalable and secure solutions for UK Government clients. The ideal candidate will have a strong software development background, experience with cloud platforms, and the ability to manage development tea ...

Senior ML Engineer, Personalisation & Recommendations

A global online fashion retailer in Greater London is seeking a Senior Machine Learning Engineer to join their Personalisation team. This role involves developing large-scale machine learning systems that enhance how customers interact with fashion trends. The ideal candidate will possess experience in deep lear ...

Innovative Solutions Architect | Hybrid, Global Impact

A leading technology consultancy in London seeks a Solution Architect to lead engineering teams and deliver innovative software solutions. The ideal candidate thrives in problem-solving, enjoys collaboration, and has robust experience in cloud technologies, particularly AWS and Azure. They will work in a hybrid ...

Senior Test Automation Engineer: CI/CD & Cross Platform QA

A leading gaming and entertainment company in London is seeking a Senior Software Development Engineer in Test. This role focuses on developing automation and robust CI/CD systems to enhance test coverage and workflow. The ideal candidate will have extensive experience with Python, CI/CD pipeline maintenance, an ...

Senior DevOps Engineer — Cloud, CI/CD & Go Automation

A leading delivery service provider in the UK is seeking a skilled engineer to improve software development processes through automation and internal tooling. The role involves designing scalable systems in AWS and writing production-quality code primarily in Go. Ideal candidates will have strong experience in C ...

Senior Android Engineer Digital Identity & Fintech

A leading financial services firm is seeking a Software Engineer III - Android to focus on creating customer-centric products. You will be responsible for developing and delivering product features, collaborating with cross-functional teams, and ensuring high-quality code. The ideal candidate will have advanced ...

Senior C++ Engineer (Linux) – Hybrid FinTech

A leading FinTech firm in London seeks a Senior C++ Software Engineer to design and enhance their core platform, offering a competitive salary of up to £110k. The role provides a mix of office and remote work, allowing for significant influence over technical decisions and collaborative project work. Ideal candi ...

Senior Core Services Engineer – Secure Auth & Observability

A leading technology firm in Greater London is seeking a Senior Software Engineer to join their Core Services team. The role involves designing and implementing robust authentication and authorization systems while building fine-grained access control models. The ideal candidate should have a strong command of G ...

Senior Backend Engineer Node.js/TypeScript, AI‑Powered APIs

A leading governance and compliance solutions provider based in London is seeking a Senior Software Engineer proficient in Node.js and TypeScript. The successful candidate will build and manage complex backend services and APIs while contributing to design discussions. Ideal applicants will have 5-8 years of exp ...

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    Software Developer Pythonreact Jobs in London Job Search Guide, Trends and Insights