23 software contractor jobs found

Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...

Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...

Software Engineer (Front-end ) – 3 month Contract At Amplience, we’re transforming how global brands create, manage and deliver content. We provide a powerful, unified platform spanning Content Management Systems, Data Assest Management and Content Supply Chain solutions so retailers can move faster, smarter and with confidence.    Our vision is simple but bold: a world where content moves at the speed of ideas. We’re growing and doing things differently. That means flexibility in how and where you work, a genuinely collaborative culture, and the chance to learn from smart people solving real-world problems. We believe great work happens when people feel supported, trusted and able to live well outside of work.   Key Responsibilities What you’ll be doing We’re now looking for a Software Engineer (Front-End focus) for 3 months initially. Someone who can step in quickly,...

Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 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"...

Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...

Fullstack Software Engineer (Freelance) Time commitment: Freelance project lasting around 3 to 5 months         Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt About Paloma Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...

Contract Role Length: Until 30th September 2026 Location: Silverstone- on-site 5 days a week IR35: Outside     The Cadillac Formula 1 ® Team is what happens when history, purpose and daring talent come together. Backed by TWG Global and GM, our team is uniquely positioned to disrupt Formula 1 ® , bringing a fresh perspective and an unrelenting drive for success. We have the energy of a start-up, with the ideas and originality of a business that always wants to lead, never wants to follow. We’re building everything from the ground up, from a high-performance car to an inclusive, values-driven culture. We show bold ambition. We combine leadership in innovation with excellence in execution. We are one team. We have the freedom to think differently, the opportunity to shape process and practice, an ego-free environment where people thrive on being challenged by those around them. A historic name behind us. Career-defining moments ahead....

Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one for you. Job...

Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one for you. Job...

Observability Engineer - Outside IR35 - Datadog Migration Specialist Observability Engineer - Appvia - Datadog Migration Specialist Location: UK - Remote - with Offices in London Contract: 6 weeks (Outside IR35) Day Rate: £400 - 500 per day Start Date: ASAP About Appvia Appvia is a specialist cloud and platform engineering consultancy, helping organisations build, operate, and scale modern cloud platforms. We work across complex environments where reliability, visibility, and performance are critical, supporting customers to implement best practices across platform engineering, DevOps, and observability. About the Role We are looking for a Datadog specialist to support a short-term engagement focused on migrating observability tooling from Grafana to Datadog. This is a hands-on contract role where you will take ownership of migrating dashboards, metrics, and monitoring configurations, ensuring a smooth transition with minimal...

  Temporary   Closing on: Aug 4 2026   Competitive 4 month contract Day Rate to be discussed We want to maximise the potential of everyone who chooses to work for us. We offer a great work life balance. You have the opportunity to work at any of our brand-new Regional Centres and to also work remotely. Contracts vary in length dependent upon the project with the possibility to extend. Your time spent with us short or long term will be invaluable - your skills and expertise are needed to deliver the largest digital and transformation projects in Government. There really couldn’t be a better time to join HMRC for your new contract opportunity! About the Project The Digitising Post Programme (DPP) is a major transformation initiative focused on modernising how HMRC creates, manages and delivers outbound customer communications. The programme aims to move highvolume correspondence away...

ABOUT QUANTUMLOOPAI QuantumLoopAI is one of the UK 's fastest-growing healthtech companies. Our AI-powered platform, EMMA, is used by hundreds of organisations across the UK to manage communications, automate workflows and deliver better outcomes through intelligent automation. Backed by leading investors and scaling rapidly ahead of our Series A, we are building the infrastructure that will define the next generation of AI-driven service delivery.   ABOUT THE ROLE We are looking for a hands-on HubSpot CRM Implementation Assistant to work closely with one of our founders on a full-time, short-term contract. Your role will be to execute tasks inside HubSpot to bring our CRM vision to life - building sales pipelines, automations, workflows, integrations and reports that will underpin how our sales, customer service and account management teams operate.   This is not a marketing or website role. The focus is purely on CRM, sales operations, customer service...

We are looking for a Business Analyst to work as part of an agile development team for one of our projects in the real estate field. You will thrive in a fast-paced environment and will be a champion for exceptional digital experiences for our client 's customers and have a focus on quality, ensuring the delivery aligns with the needs of the business. You will be developing a conversational analytics platform, enabling query indexing and optimizing future searches, allowing users to: Ask natural language questions about system metrics; Get accurate, explainable answers based on predefined metrics and data sources; Provide transparency and audibility of the query-to-answer path; Allow data experts to refine and create views and logic behind answers.   Please note, you will be required on client-site 5 days a week near Marble Arch, London. This is an initial 3 month contract that sits inside IR35. A Business Analyst should possess a range of skills...

Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Emphasis on Architecture over Development (Must have a solid Development Background) Must be comfortable sitting in client meetings and advising Start date ASAP Duration 3 months (Likely to extend) 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"...

Overview We are seeking a skilled WordPress Developer to join our dynamic team. The ideal candidate will possess a strong foundation in front-end and back-end development, with experience in creating, maintaining, and enhancing WordPress websites. This role offers an exciting opportunity to work on diverse projects, utilise a broad range of technologies, and contribute to innovative digital solutions. The successful applicant will be responsible for developing custom themes and plugins, ensuring website optimisation, and collaborating closely with design and content teams to deliver high-quality web experiences. Responsibilities Develop, customise, and maintain WordPress websites using PHP, HTML, CSS, JavaScript, and related technologies. Create responsive web designs that are compatible across various devices and browsers, employing frameworks such as Bootstrap and SCSS. Integrate third-party APIs and develop RESTful services to enhance website functionality....

Company Description Help us to achieve our goal to be the global leader in total quality services. With your help we will achieve this by delivering Total Quality 360, a comprehensive suite of cutting-edge services which combine quality engineering, cyber security, conformance & interoperability and content quality to deliver end-to-end total quality solutions. Here at Resillion, our culture is based on an ‘if you see something, say something’ attitude where we take responsibility. It’s one where we expect to adapt and embrace change as the company grows. It’s based on recognising the individual worth of every one of our employees and developing their skills to keep us all at the forefront of our industry. Above all, it’s a culture where we’re passionate about what we do, and we’re committed to the greater good of the company. If you would like to be part of our journey, then this role may be the one...

3 months Rolling Contract - Fully Remote £600 per day. Would suit sombody who is Immediately available. Our capital markets practice is looking to help one of our leading global investment banking client deliver a procurement project. We are looking for a capable Category Manager - Software to play a critical role in the delivery of its global Target Operating Model (TOM) for technology procurement. This is a transformation-focused contract supporting the redesign and implementation of new sourcing structures, governance models, and workflows for the management of Tier 1 software vendors (Microsoft, Oracle, SAP, etc.). Key Responsibilities: Support the global rollout of a new TOM for technology sourcing, with specific ownership of the Software category. Act as the primary interface between the programme team and existing category/vendor management teams, helping to align current-state activities with future-state operating models. Contribute to the...

#### 3 - 6 month contract #### Company Description UK Robotics provides cutting-edge robotics and automation solutions with expertise in turnkey and modular integrated laboratory automation systems. Our flagship product, Revolution, is a dynamic scheduler powering next-generation lab automation in the Life Science industry. Role Description We are seeking a skilled Mid-Level Frontend Engineer with strong expertise in React and modern JavaScript ecosystems to join our growing development team.This role is central to building intuitive, high-performance user interfaces for our cloud platforms and automation systems. You will focus on delivering responsive, scalable, and maintainable frontend applications that power complex scheduling systems.You will collaborate closely with backend, cloud, and robotics engineers to design seamless user experiences that bridge cloud services with real-world laboratory automation systems.This is an opportunity to work at the...

Cyber Information Consultant   📍 Location: Oxford 1-2 days/week 📅 Contract: Outside IR35 💼 Duration: 3-Month 💷 Day Rate: £500 per day Outside IR35   About the Role We are seeking a number of experienced cyber information consultants who will act as the main link between central security teams and divisional stakeholders, ensuring the security strategy is translated into practical actions.   Key Skills:   • Significant experience in cyber security, information security, risk management, or security assurance roles within complex organisations. • Experience delivering security initiatives in partnership with business and technology stakeholders. • Strong understanding of security governance, control frameworks, risk management, and compliance requirements. • Experience working across matrix organisations and supporting both operational and transformation activity. •...

Data and Analytics Consultant, EOF, London, Remote. Req#591879 Contract type: Consultant Duty Station: London Level: Consultancy Location: United Kingdom Categories: Education Contract Duration- 3 months Working arrangement: Home based/ Remote UNICEF works in over 190 countries and territories to save children’s lives, defend their rights, and help them fulfill their potential, from early childhood through adolescence. At UNICEF, we are committed, passionate, and proud of what we do for as long as we are needed. Promoting the rights of every child is not just a job – it is a calling. UNICEF is a place where careers are built. We offer our staff diverse opportunities for professional and personal development that will help them reinforce a sense of purpose while serving children and communities across the world. We welcome everyone who wants to belong and grow in a diverse and passionate culture, coupled with an attractive compensation and...