City of London, London, United Kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for a Senior … Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility: 1–3 days … testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development . Supporting and mentoring junior engineers, helping raise the technical bar across the team. Staying hands-on while contributing to More ❯
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work , that’s looking for a Senior … Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility: 1–3 days … testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development . Supporting and mentoring junior engineers, helping raise the technical bar across the team. Staying hands-on while contributing to More ❯
london, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Staff Software Engineer – AI/ML (Business Systems Intelligence) London-based Remote if you don't live in London (2 days in office if you are London based) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work … together. As a Staff Software Engineer (AI/ML) , you’ll be the technical lead for a newly formed AI Engineering function , designing and delivering the internal AI and data infrastructure that supports smarter decision-making across the organisation. You’ll build and scale AI-powered backend systems that connect enterprise data platforms (CRM, analytics, and communication tools … deliver high-value AI applications. Mentor engineers and shape the company’s approach to internal AI enablement. What You’ll Bring 7+ years’ experience in backend or full-stack engineering, ideally within a SaaS or data-driven business. Strong knowledge of LLMs , prompt engineering, and fine-tuning approaches. Hands-on experience with AI/ML pipelines and vector More ❯
slough, south east england, united kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Staff Software Engineer – AI/ML (Business Systems Intelligence) London-based Remote if you don't live in London (2 days in office if you are London based) An opportunity to take on a high-impact, hands-on leadership role within a scaling global SaaS company that’s using AI to reinvent how internal business systems and data work … together. As a Staff Software Engineer (AI/ML) , you’ll be the technical lead for a newly formed AI Engineering function , designing and delivering the internal AI and data infrastructure that supports smarter decision-making across the organisation. You’ll build and scale AI-powered backend systems that connect enterprise data platforms (CRM, analytics, and communication tools … deliver high-value AI applications. Mentor engineers and shape the company’s approach to internal AI enablement. What You’ll Bring 7+ years’ experience in backend or full-stack engineering, ideally within a SaaS or data-driven business. Strong knowledge of LLMs , prompt engineering, and fine-tuning approaches. Hands-on experience with AI/ML pipelines and vector More ❯
london, south east england, united kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for a Senior … Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility: 1–3 days … testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development . Supporting and mentoring junior engineers, helping raise the technical bar across the team. Staying hands-on while contributing to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Harnham
Senior Software Engineer (Python) Hybrid London (1–3 days per week) Up to £80,000 + Benefits Are you a passionate Python engineer who thrives on building scalable, high-quality software? We’re working with a multi-award-winning digital agency , recognised as one of the Sunday Times Best Places to Work, that’s looking for a Senior … Software Engineer (Python) to help shape the next generation of their data-driven tools and products. 💡 Why this role? Work at the intersection of data, automation, and AI , delivering tools that drive measurable impact for global brands. Join a collaborative, innovative engineering culture where learning, experimentation, and technical excellence are at the core. Hybrid flexibility: 1–3 days … testing, and deploying RESTful APIs using frameworks like FastAPI or Django REST Framework . Collaborating with data and platform engineers to integrate new features and optimise performance. Ensuring robust engineering practices including CI/CD, TDD, and secure development . Supporting and mentoring junior engineers, helping raise the technical bar across the team. Staying hands-on while contributing to More ❯
Bloomsbury Square, London, United Kingdom Software Engineer - AI/ML/Python (Lead Level) at N Consulting Ltd Job Title: Software Engineer - AI/ML/Python (Lead Level) Location: London, United Kingdom (Hybrid - 2-3 days onsite per week) Contract Type: Contract (6 months, with extension likely) Start Date: Immediate/Within 2-4 weeks Job Description … We are seeking an experienced and highly motivated Lead Software Engineer with deep expertise in Artificial Intelligence (AI) , Machine Learning (ML) , and Python development to lead the design, development, and deployment of intelligent systems and data-driven applications for a leading client in London. The ideal candidate will have a strong background in AI/ML frameworks, scalable system … training, deployment, and monitoring of models. Ensure compliance with data privacy and security regulations (GDPR, etc.). Required Skills & Qualifications: Bachelor's or Master's degree in Computer Science, Engineering, AI, or related field. 7+ years of professional software development experience, with at least 3 years in AI/ML. Strong proficiency in Python , including libraries like NumPy More ❯
We are seeking a Senior/Expert Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their … complex features, or more time on coaching, mentoring, and driving delivery. In all cases, you’ll conduct code reviews, contribute to high-impact features, and foster a high-performance engineering culture. This position reports to the VP, SoftwareEngineering, Planning. It will be primarily remote, though you are also welcome to work in our London office. Key … Responsibilities: Shape the architecture and engineering design of the product and its interactions with other applications and services Lead by example in technical delivery and engineering best practices Work with the Product team and other Tech Leads to execute the roadmap and translate requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals More ❯
We are seeking a Senior/Expert Engineer/Engineering Manager to lead one of the core engineering teams within Planning Agent , our AI-powered advertising planning platform used daily by IPG agency teams. You will help shape and grow a product with AI at its core, using agents to power an AI assistant advertising planners throughout their … complex features, or more time on coaching, mentoring, and driving delivery. In all cases, you’ll conduct code reviews, contribute to high-impact features, and foster a high-performance engineering culture. This position reports to the VP, SoftwareEngineering, Planning. It will be primarily remote, though you are also welcome to work in our London office. Key … Responsibilities: Shape the architecture and engineering design of the product and its interactions with other applications and services Lead by example in technical delivery and engineering best practices Work with the Product team and other Tech Leads to execute the roadmap and translate requirements into actionable engineering tasks Discuss technical solutions with the development team, communicate goals More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
Ripjar
Overview Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering enabling organisations to enforce sanctions at scale to help combat rogue entities and state actors. Team mission: Our engineering team builds software that makes the … world a safer place. We work collectively to use technology, creativity and engineering best practice to solve problems that nobody else can. What you'll be doing Join us in the fight against global financial crime. At Ripjar, our engineers are building Labyrinth Screening - an advanced AI-powered platform that helps major financial institutions detect and prevent money laundering … code fast with certainty. Harnessing the power of Labyrinth Screening to work with new types of data at scale within Ripjar's wider financial crime solutions. Responsibilities As a Software Engineer on the Labyrinth Screening team, you'll design, develop, and ship cutting-edge features that stop criminals in their tracks. Shape our scalable, multi-tenant, cloud-first architecture More ❯
North London, London, United Kingdom Hybrid / WFH Options
JobHeron
AI Software Engineer | UK (Remote) | Up to £70K (Pro Rata) & Great Benefits Are you passionate about using artificial intelligence to make a real-world impact? Our client is seeking an ambitious AI Software Engineer to help design and deliver innovative AI solutions for some of the worlds leading organisations. In this exciting role, youll play a key part … use AI for good. This is a 4 day a week role (Mon-Thurs), with a competitive salary up to £70k (Pro Rata). Key Responsibilities of the AI Software Engineer: Take ownership of the technical implementation of AI solutions across diverse client projects. Collaborate with the Innovation Lead and clients to shape, design and explain potential solutions. Develop … with Agentic Frameworks (e.g. LangChain, LangGraph) Proven experience building full stack applications using Git, SQL databases and modern deployment practices Understanding of LLMs, embedding models and RAG systems Solid softwareengineering fundamentals and secure coding practices Strong problem-solving, communication and teamwork skills At least 3 years hands-on engineering experience in project delivery environments Attention to More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Jobheron
AI Software Engineer | UK (Remote) | Up to £70K (Pro Rata) & Great Benefits Are you passionate about using artificial intelligence to make a real-world impact? Our client is seeking an ambitious AI Software Engineer to help design and deliver innovative AI solutions for some of the world’s leading organisations. In this exciting role, you’ll play a … use AI for good. This is a 4 day a week role (Mon-Thurs), with a competitive salary up to £70k (Pro Rata). Key Responsibilities of the AI Software Engineer: Take ownership of the technical implementation of AI solutions across diverse client projects. Collaborate with the Innovation Lead and clients to shape, design and explain potential solutions. Develop … with Agentic Frameworks (e.g. LangChain, LangGraph) Proven experience building full stack applications using Git, SQL databases and modern deployment practices Understanding of LLMs, embedding models and RAG systems Solid softwareengineering fundamentals and secure coding practices Strong problem-solving, communication and teamwork skills At least 3 years’ hands-on engineering experience in project delivery environments Attention to More ❯
Brockworth, Gloucestershire, UK Hybrid / WFH Options
Lockheed Martin
Software Engineer Brockworth, Gloucestershire Great salaries, BUPA, Bonus, 4Day Work Week Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. What’s happening? We have … various exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. At Lockheed Martin we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important you can also enjoy a strong work life … fulfilling life in and outside of work. A range of specialisms exist in this essential and rewarding role. You may specialise in just one area or operate across multiple Software Development disciplines with a specific focus on the Cyber domain. Typically, you will be involved in one or more of the following: Planning, conducting and coordinating software development More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Nextech
technical solutions that support the wider business strategy. This position is ideal for someone who thrives in a collaborative environment, enjoys problem-solving, and has a passion for modern engineering practices. Key Responsibilities Work closely with engineering and product teams to deliver well-architected, scalable, and secure solutions. Support the design and implementation of new features and complex … contribute to upskilling initiatives. Ensure architectural decisions align with governance, compliance, and security standards. Identify opportunities for process and performance improvement. Take ownership of specific technical areas, supporting the Engineering Manager and Principal Engineer where required. Champion clean, maintainable code and promote quality through mentoring and review. Skills & Experience Proven background in full stack development, ideally within complex or … customer-facing systems. Experience delivering projects through the full software lifecycle, from design to live support. Strong technical foundation across modern web technologies, including: JavaScript/TypeScript (with Domain-Driven and Test-Driven Development) React (web and native) Java (Spring Boot, Spring Cloud, Spring Data) Familiarity with Kafka, MongoDB, Elasticsearch, and Redis Experience with HTML, server-side rendering (e.g. More ❯
Brockworth, England, United Kingdom Hybrid / WFH Options
Lockheed Martin
Software Engineer Brockworth, Gloucestershire Great salaries, BUPA, Bonus, 4Day Work Week Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. What’s happening? We have … various exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. At Lockheed Martin we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important you can also enjoy a strong work life … fulfilling life in and outside of work. A range of specialisms exist in this essential and rewarding role. You may specialise in just one area or operate across multiple Software Development disciplines with a specific focus on the Cyber domain. Typically, you will be involved in one or more of the following: Planning, conducting and coordinating software development More ❯
gloucester, south west england, united kingdom Hybrid / WFH Options
Lockheed Martin
Software Engineer Brockworth, Gloucestershire Great salaries, BUPA, Bonus, 4Day Work Week Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. What’s happening? We have … various exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. At Lockheed Martin we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important you can also enjoy a strong work life … fulfilling life in and outside of work. A range of specialisms exist in this essential and rewarding role. You may specialise in just one area or operate across multiple Software Development disciplines with a specific focus on the Cyber domain. Typically, you will be involved in one or more of the following: Planning, conducting and coordinating software development More ❯
brockworth, south west england, united kingdom Hybrid / WFH Options
Lockheed Martin
Software Engineer Brockworth, Gloucestershire Great salaries, BUPA, Bonus, 4Day Work Week Lockheed Martin Rotary and Mission Systems (RMS) provides systems engineering, software development, training solutions and complex program management for global security, civil and commercial markets. Simply stated, our mission is to be the world’s leading global security and aerospace company. What’s happening? We have … various exciting opportunities arising at our site in Gloucester for Software Engineers, primarily a variety of Defence, Cyber and Intelligence programmes. At Lockheed Martin we’ll provide you with meaningful work and education opportunities that will allow you to develop your skills and enhance your career with us, but equally important you can also enjoy a strong work life … fulfilling life in and outside of work. A range of specialisms exist in this essential and rewarding role. You may specialise in just one area or operate across multiple Software Development disciplines with a specific focus on the Cyber domain. Typically, you will be involved in one or more of the following: Planning, conducting and coordinating software development More ❯
Job Title: Senior Software Engineer Reporting to: Lead Engineer Role Purpose: As a Senior Software Engineer, you will enhance and support both new and existing products within the SoftwareEngineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation or software … proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks More ❯
Job Title: Senior Software Engineer Reporting to: Lead Engineer Role Purpose: As a Senior Software Engineer, you will enhance and support both new and existing products within the SoftwareEngineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation or software … proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD), unit testing frameworks, mocking frameworks More ❯
Software Engineer (Java Microservices) – Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK’s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You’ll be joining a talented, forward-thinking team delivering scalable, secure and … high-performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Responsibilities Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Collaborate within a specialist engineering … with architects and senior engineers to build robust, scalable microservices. Apply Agile methodologies to drive continuous improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. S kills & Experience More ❯
Software Engineer (Java Microservices) – Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK’s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You’ll be joining a talented, forward-thinking team delivering scalable, secure and … high-performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Responsibilities Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Collaborate within a specialist engineering … with architects and senior engineers to build robust, scalable microservices. Apply Agile methodologies to drive continuous improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. S kills & Experience More ❯
Software Engineer (Java Microservices) – Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK’s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You’ll be joining a talented, forward-thinking team delivering scalable, secure and … high-performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Responsibilities Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Collaborate within a specialist engineering … with architects and senior engineers to build robust, scalable microservices. Apply Agile methodologies to drive continuous improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. S kills & Experience More ❯
Software Engineer (Java Microservices) – Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK’s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You’ll be joining a talented, forward-thinking team delivering scalable, secure and … high-performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Responsibilities Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Collaborate within a specialist engineering … with architects and senior engineers to build robust, scalable microservices. Apply Agile methodologies to drive continuous improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. S kills & Experience More ❯
london (city of london), south east england, united kingdom
Wave Talent
Software Engineer (Java Microservices) – Package up to £130k + Excellent Benefits An exciting opportunity has arisen for a Senior Software Engineer (Java Microservices) to join one of the UK’s leading financial institutions, driving innovative digital solutions that power millions of customer interactions every day. You’ll be joining a talented, forward-thinking team delivering scalable, secure and … high-performance services within a major transformation programme. This is a fantastic opportunity for a technically minded individual with strong server-side experience to design, build, and deploy resilient software solutions that make a real impact. Responsibilities Design, develop, test, and deliver high-quality, maintainable code across the entire software development lifecycle. Collaborate within a specialist engineering … with architects and senior engineers to build robust, scalable microservices. Apply Agile methodologies to drive continuous improvement, innovation, and rapid delivery of business value. Contribute to the evolution of software architecture and design, using experimentation and prototyping to shape modern solutions. Champion automation across build, testing, and deployment processes to enhance quality, reliability, and development efficiency. S kills & Experience More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Searchability NS&D
Principal Software Engineer – National Security - SC Clearance Role: Principal Software Engineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £75,000 - £95,000 About the Role Searchability NS&D is recruiting a Principal Software Engineers to join an Agile delivery team supporting a range of complex and high-impact Central Government and Critical … National Infrastructure projects. You’ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. In this senior technical role, you’ll lead a team of software engineers, shape architectural decisions, and engage directly with senior customer stakeholders to deliver high-impact solutions. What You’ll Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all stages of the software lifecycle — from requirements analysis to support More ❯