20 software contractor jobs found in London

Contract Type Day Rate Contractor Closing Date 16 July, 2026 Job Category Tech, Data and Digital Business Unit Systems and Infrastructure (UKT) Location London , United Kingdom Posted on 16 June, 2026 The opportunity Our team serves as the dedicated Delivery Strategy and Transformation hub within the Bank, focused on the successful and controlled delivery of the Modernisation and Growth roadmaps.  Sitting with the Bank’s Technology function the team works to maximise the value from build/buy solutions to deliver on Handelsbanken PLC’s strategic modernisation and transformation goals to move to modern scalable technologies and to deliver better value to our business and our customers.   The Core Banking Programme has been mobilised to deliver the phased introduction of the new Product Engine to sit at the heart of the target Architecture and is currently preparing for the RFP Phase. The...

Job Title: Systems Project Manager Location: London (Hybrid) Duration: 6 months Contract Start Date: ASAP IR35: Inside Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. Role Purpose The Project Manager will be responsible for the end-to-end planning, execution, and successful delivery of several enterprise initiatives, ensuring alignment with strategic business objectives. This role will drive the implementation, optimisation, and integration of two initiatives. The first to enhance customer engagement, streamline sales and...

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...

Who we are: We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £5.5 billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple and accessible through technology. Fast forward to today, and we are recognised as one of the most innovative fintechs, headquartered in the heart of London. With a team of 220+ people across 4 offices in Italy and the UK, we are proudly backed and funded by major partners including Poste Italiane, Cabot Square Capital, United Ventures, and Allianz. Our vision Our vision is to combine passion, expertise, and technology to provide best-in-class investment solutions and advice that protects and grows client wealth over time. Our Core Values: We’ve built our business on three Principles: Relationships are our first asset: We’re one team,...

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...

Who we are: We are a rapidly growing pan-European digital wealth manager, serving over 167,000 active investors with more than £5.5 billion invested on our platform. We began in Milan in 2011 with the purpose to help more people improve their financial well-being by making personal investing simple and accessible through technology. Fast forward to today, and we are recognised as one of the most innovative fintechs, headquartered in the heart of London. With a team of 220+ people across 4 offices in Italy and the UK, we are proudly backed and funded by major partners including Poste Italiane, Cabot Square Capital, United Ventures, and Allianz. Our vision Our vision is to combine passion, expertise, and technology to provide best-in-class investment solutions and advice that protects and grows client wealth over time. Our Core Values: We’ve built our business on three Principles: Relationships are our first asset: We’re one team,...

ABOUT SONATA SOFTWARE Sonata Software, with over $1.2 Billion Revenue, is a leading AI-first Modernization Engineering company, powered by our unique PlatformationTM framework. Our 6400+ AI Engineers are helping enterprises transform from systems to intelligent business platforms leveraging partner ecosystem to drive speed, efficiency and growth. Our bouquet of Modernization Engineering Services with AI -first approach cuts across Cloud, Data, AI, Dynamics, Test Automation, and Managed Services.     Job Title: Dynamics Functional Architect- SCM Location: London, UK (REMOTE) Duration: 6+ Months Contract   Lead the design and delivery of Microsoft Dynamics 365 Supply Chain Management (SCM) solutions , translating business requirements into scalable, efficient, and best-practice-driven architectures.   Key Responsibilities Own end-to-end functional solution design for D365 SCM (Procurement, Inventory, Warehouse,...

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...

Full job description Computershare is global leader in financial administration with over 12,000 employees across more than 22 different countries. Many of the world's leading organisations use us to streamline and maximise the value of relationships with their investors, employees, creditors and customers. Our global footprint means we have the scale to maintain robust compliance, audit, risk, financial crime, disaster recovery and business continuity planning programs - offering peace of mind to our clients and their customers. AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent strategies. We partner with Computershare to support their contingent recruitment processes. Acting as an extension of their recruitment teams, we connect them with skilled interim and temporary...

On behalf of The Ministry of Justice , we are looking for a Business Change Manager   (Inside IR35) for a 6 month contract which is aa hybrid role so does require occasional visits to the London office for meetings 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. This role is essential to lead and deliver structured business change and culture activity to support the development and implementation of an improvement plan linked to Software as a Service (SaaS) technology (Future platform). The business change and...

Description Codurance is an innovative consultancy that helps organisations embrace the power of technology to drive business success. We are currently seeking an experienced contract SDET / QA Engineer to join our dynamic team. As a Codurance SDET, you will be embedded directly within a high-autonomy engineering pod, owning quality end-to-end and working alongside a small team of AI-enabled engineers. This is an initial  6-month contract, inside IR35. Day rate: £500 Requirements To be successful in this role, you should have: Strong test automation skills with a senior SDET or QA Engineer mindset and you own quality end-to-end, not just execute test cases Experience building regression, feature validation, and performance test coverage, ideally from a low or undefined baseline Comfort operating with high autonomy inside a small engineering squad, without a dedicated QA lead above you An AI-first approach to your...

Novatus is a Series B scale-up RegTech SaaS provider and boutique advisory practice, enabling financial services firms to solve complex challenges and redefine what’s possible through expert-led technology and consulting. Across both our technology and consulting services, Novatus delivers practical solutions to some of the most complex regulatory, data and operational challenges in financial services.   Our SaaS platform, En>ACT ( short for Ensuring Accurate, Complete and Timely reporting ), is a market-leading solution for regulatory transaction reporting and reconciliation, providing real-time, independent oversight of transaction reporting across all global regulatory regimes. En>ACT is the only real-time assurance solution that tests 100% of transactions and 100% of fields, replacing sample-based reviews and static PDF reports delivered months after the event with live, actionable insights. This helps firms remediate quickly, reduce risk, and meet...

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...

Senior Market Risk Model Development   Location - Hybrid (3 days in London) Rate - up to circa £900/day Umbrella Contract Length - Initially 6 months   Senior role responsible for the development and analysis of Market Risk (MR) models, with a focus on Equity and FX products. The role supports accurate risk measurement under FRTB IMA and related internal/regulatory requirements, and provides subject matter expertise across pricing and risk computations.   Key responsibilities   ● Develop and re-design MR models (especially for Equity and FX) to support accurate measurement of FRTB IMA and other required risk measures, in line with internal governance and regulatory expectations. ● Interpret regulatory and business requirements and propose modelling approaches that are fit-for-purpose, well-controlled, and defensible under internal and regulatory scrutiny. ● Partner with Risk Transformation and Financial Engineering...

IT Operations Specialist (12 month contract) Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company co-headquartered in Toronto and San Francisco, with key offices in London, New York City, Montreal, Seoul, Germany and Paris. Join us! Note: this role is an onsite role for our London office...

Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...

Join a high-profile MOD digital programme in the discovery phase, shaping new capabilities within a secure national security environment. The Digital Delivery Manager is responsible for leading the successful delivery of digital projects to meet the needs of End Users who interact with the Programme team. The role ensures that digital solutions are delivered in accordance with programme objectives, security requirements, governance frameworks, and End User needs. Working across multidisciplinary teams, the Digital Delivery Manager will coordinate resources, manage risks and dependencies, engage stakeholders, and drive delivery performance while maintaining compliance with defence, cyber security, and regulatory standards.   As a Digital Delivery Manager , your main responsibilities will be: Lead the end-to-end delivery of digital projects and services. Work with End-Users and Stakeholders to develop and maintain delivery plans, schedules, milestones, and...

Delivery Manager - Agile Software Exp - Mid Level Consultancy Exp Delivery Manager - Agile Software Exp - Mid Level Consultancy Exp requirement for an urgent start. Delivery Manager - Agile Software Exp - Mid Level Consultancy Exp will be working for us, Blackstone&, on a large scale AI Adoption programme in a small high performing team. Delivery Manager - Agile Software Exp - Mid Level Consultancy Exp Key Skills: Proven experience leading delivery or managed service teams in complex, regulated, or high-stakes environments. Experience mobilising and onboarding new delivery or operational teams from standing start. Strong working knowledge of Agile delivery - Scrum, Kanban, SAFe Solid understanding of DevSecOps principles and ITIL service management practices. Experience managing the transition from project delivery into live operational service. Excellent stakeholder management, communication, and governance reporting skills - confident operating at all levels....

Role: AI Data Architect (Knowledge Engineer) Location: London Duration: Hybrid 6 months Key Responsibilities Must have solid experience in developing taxonomies, ontologies, and semantic data structures. Strong experience in physical migrations - firm data into new information structures and meta data models. Able to map information architecture to new operating models. Good exposure to meta data generated into documents while going through the process. Define metadata standards and governance frameworks. Support Power BI data models, reporting structures, and data flows Engage with stakeholders to translate business requirements into scalable data structures Experience working in Private Equity, Banking, Financial Services, Insurance or Fast-paced, transformation-led environments. Desirable Skills: Experience supporting AI or machine learning initiatives. Structure data for AI, reporting, analytics, and operational use....

Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...