17 senior software engineer jobs found in London

Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around...

Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around...

On behalf of The Ministry of Justice, we are looking for a Senior Software Engineer (Python) (Inside IR35) for a 6 Month contract based Remotely with the occasional travel to any MOJ office. . The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public. SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ)...

Senior Front End Engineer (Contract) – USA Tech Team     Contract Details Contract Length: Initial 12-month contract IR35 Status: Outside IR35 Location: Hybrid / Remote (UK) Day Rate: Competitive Start Date: ASAP     This is an opportunity to join Nando's USA Technology team on a long-term contract, helping build and scale the digital products that support our expansion across the USA. You'll work with a modern technology stack, solving complex engineering challenges and delivering high-quality customer-facing applications within a collaborative, agile environment.     Overall Ambition Help deliver exceptional digital experiences for Nando's customers across the USA by building modern, scalable and high-performing frontend applications using a contemporary technology stack.   You'll join a fast-moving engineering team delivering products that directly impact...

Role: Senior Threat Modeler Location: London / Belfast Start Date: ASAP End Date: 6 Months Daily Rate: Competitive Day Rate, Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Responsibilities Threat Modeling using a documented process. Development of automation tools as required. Maintain a high standard of work in identifying threats and specifying mitigating controls. Attending to the lifecycle of identified threats and controls. Delivery of threat models and supporting tasks within existing timeframes. Provide feedback, support, and improvements to the existing threat modeling process. Present work to seniors, the team, and other technical teams. Train newer members of the team Supervise junior members of the team Run parts of our threat model service Work with little supervision to complete work Develop, test, and deploy secure and efficient Python-based...

The role: Contract Angular Developer (with Java experience) We are recruiting for a Contract Software Developer for a duration of initially 6 months. This role is an immediate start and it is twice per week onsite in Stratford, London. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global...

AI Engineer £600pd Inside IR35 2-3 days on site in London Initial 6 month engagement AI Engineer £600pd Inside IR35 2-3 days on site in London Initial 6 month engagement emagine is a high-end professional services consultancy and solutions firm specialising in providing business and technology services to the financial services sector, we power progress, solve challenges and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication in delivering the optimal service for our clients. Our commitment is not just towards our clients but we aim to foster a positive and equitable working environment with our consultants and colleagues which stems from our core values: Confident, Dedicated, Responsible, Genuine. We are seeking an experienced AI Engineer with a proven...

The role: Contract Angular Developer (with Java experience) We are recruiting for a Contract Software Developer for a duration of initially 6 months. This role is an immediate start and it is twice per week onsite in Stratford, London. Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity. This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for...

47131 Senior AI Engineer (m/f/d) We are seeking 4 Senior AI Engineers to join a large-scale project in the insurance sector, focused on the design, development, and deployment of advanced solutions in Artificial Intelligence and Machine Learning. The role includes supporting the entire AI life cycle-from ideation to production release and monitoring-in order to drive innovation and business value through pragmatic implementations of technologies such as Generative AI and image processing. Your tasks Design and implement advanced artificial intelligence and machine learning models, including Generative AI and Computer Vision systems, to address complex business challenges Develop and maintain scalable data and machine learning pipelines, ensuring seamless integration from data ingestion through to production deployment and monitoring Collaborate with architects to design and deliver AI solutions on major cloud platforms such as AWS, Azure, or GCP Implement...

This role will be responsible for supporting, implementing, configuring, and optimising business-critical systems across a range of transformation initiatives. The successful candidate will be responsible for system functionality, working closely with business stakeholders, third-party vendors, and internal teams to ensure systems are operating effectively and delivering maximum value. The role will also involve providing training, guidance, and support to users and colleagues on system capabilities and best practices.   As a Systems Engineer, your main responsibilities will be to: Lead the implementation, configuration, and ongoing support of enterprise systems and applications. Perform system upgrades, updates, patching activities, and configuration changes to ensure platforms remain secure and optimised. Act as the technical subject matter expert for assigned systems, providing guidance and best practice recommendations to stakeholders....

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

About Quantum Base Quantum Base has invented the Quantum-ID (Q-ID), a world leading technology solution that stops counterfeits. Our smartphone app (and SDK) verifies the authenticity of Q-IDs in just a few seconds using a very simple scan. We are the only smartphone authentication solution that is fundamentally 100% secure - and we achieve this using quantum physics. We are starting with security printing and brand protection, but the use cases are vast. Quantum Base has 41 patents and was founded by Professor Robert Young at Lancaster University. Our mission is to create a new global standard. About the Role We are looking for a contract Senior Product Designer to level up the user experience and user interface of our mobile app. Our app is deceptively simple, but the interface between digital and the physical isn’t straightforward. Our perfect candidate will know this, perhaps from working with scanning apps, augmented reality, KYC or identity...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

Role description Python Engineer (BackEnd) Location: London or Nottingham (Hybrid) Travel: Candidates based in London should be willing to travel occasionally to the Nottingham office for planning, collaboration, and project meetings. Type : Contract Inside IR35 (6 months) or Fixed Term Employment Contract   At UST, we're helping transform the healthcare experience through innovative digital platforms and modern cloud-native technologies. We're looking for an experienced Python Engineer (BackEnd) to join our growing engineering team and play a key role in evolving our platform architecture towards a scalable microservices ecosystem. This is an exciting opportunity to work on business-critical healthcare solutions, collaborate with talented engineers, and contribute to technology that improves outcomes for millions of users.   What You'll Do: As part of our backend engineering team, you will: Design, develop, and...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.     Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...

Product Lead Contract role - 3 -5 days per week, 6 months initially Location - Hybrid, Central London office Day rate - Up to £500 per day, depending on experience Reports to - Chief Product Officer, Wonderbly Group   The Opportunity Wonderbly Group has spent years perfecting the art of personalised books, stories that put real people at the heart of the narrative. Now we 're launching a new venture in an adjacent space that moves us deeply: helping people capture the memories, voices and stories of the people they love, and turn them into beautiful, lasting books and journals. The bones of this business already exist. What we need is someone to help us reimagine it from the ground up: new technology, a new digital product, a transformed ecommerce experience and a fresh brand expression, while preserving the emotional heart of what makes this category so meaningful. We're looking for a builder, someone with a genuine passion for...

Joining a cross functional Delivery team (software engineers, delivery, QA, UX, design) Client is in financial services domain ILarge platform and product build inc. customer journeys. Ideal start date 23rd July 2026 6 months contract - likely to extend £day rate / outside IR35 2 days / week in person working Immediate interviews.   Red Badger Founded in 2010 by Stuart, Cain and David, we help large organisations improve their speed to market whilst focusing on delivering value to their users and customers. We work with our clients to understand their problems and validate ideas in order to deliver improved process efficiencies, strategic enhancements and new digital products and services (or make significant improvements to existing ones). The best bit about Red Badger is, of course, the team. We've been around for 10+ years now and we are 100 strong. We are really proud of our people; we support and learn a lot from...