• About us

At Jigsaw, we’re on a mission to transform the way professional services and financial institutions work. We do this by helping our clients organise, visualise and use their data (think Figma or Canvas but for the ‘City’). Our clients include the world’s biggest consultancies, leading financial institutions and top law firms.

Jigsaw was founded by two seasoned entrepreneurs, Stephen and Travis. This is their second venture together; their first was acquired by a US private equity firm and went on to become a billion-dollar company and a household name in professional service firms across the world. Jigsaw is now on a growth trajectory few Series A companies achieve - putting us in the top quartile SaaS companies globally. Today we proudly serve thousands of users from nearly two hundred businesses worldwide, who love our products and use them everyday.

But we’re only getting started! We have ambitious goals and we’re looking for talented people to help us achieve them.

Why join us?

We’re not about the corporate grind; instead, we thrive on creativity, enthusiasm, and a touch of humour to make magic happen.

We hire people with high ownership and a bias for action. Then we trust and empower them to do their best work.

The role

We’re seeking a Senior Full Stack Developer to join our dynamic team in creating exceptional user experiences for professional services firms. You’ll work in empowered, trusted product teams that set their own processes, technology stacks, and sub-cultures.

Our users are eagle-eyed professionals who value efficiency and quality, embodying the principle that time is money. They appreciate Jigsaw as a clever product that anticipates and accelerates their workflows while maintaining high-quality output. Your work will directly contribute to maintaining our market-leading Net Promoter Score and driving innovation in an underserved sector.

You 'll get to…

• Exhibit technical leadership by driving development using C, ASP.NET Core, TypeScript, and Vue.js, working with cutting-edge visualization technologies, maintaining high code quality through thorough reviews and best practices, and mentoring junior team members.
• Collaborate with product managers and designers, participate in project planning and execution, and contribute to architectural decisions.
• Innovate through staying current with the latest technology trends, learning and implementing new visualization libraries, contributing to the evolution of our tech stack, driving technical innovation in our products, and maintaining active knowledge of AI productivity tools like Cursor and GitHub Copilot.
• Keep our code quality top-notch by doing thorough reviews and sticking to best practices.
• Work on advanced data visualization tools, AI-enhanced user experiences, enterprise-level and high-performance web applications, and complex data processing systems.
• Join a vibrant, intense team that’s hybrid/remote, focused on technical excellence, committed to continuous learning, driven by user satisfaction, and values both collaboration and autonomy.

You 'll thrive in this role if…

• You’ve got solid skills in C development with expert-level knowledge of TypeScript and deep experience in Vue.js (or equivalent experience with React/Angular).
• You’re well-versed in modern web development practices and highly skilled in unit and automation testing frameworks…
• You have experience with .NET, ASP.NET Core, and Entity Framework Core, along with strong SQL Server knowledge and expertise in API development.
• You’ve got a deep understanding of modern JavaScript, experience with component-based architecture, knowledge of responsive design principles, and familiarity with modern build tools.
• You’re excited about working with cutting-edge technologies that contribute to a rapidly scaling product including: developing technical leadership, shaping technical direction, and impacting major legal and financial institutions.

It would be a plus if…

• You’re comfortable with visualisation technologies and have interactive diagramming knowledge.
• You are savvy with Azure cloud services and docker containerisation.
• You’re on good terms with .NET and ASP.NET Core.
• API consumption isn’t new to you; you’ve dabbled in it and know how to make things connect.
• You’re familiar with Azure DevOps and Git.
• You have enterprise-level application development.

You’ll be great for Jigsaw if…

• You strive for technical excellence demonstrated through strong problem-solving abilities, advocacy for clean code, performance optimisation skills, and a security-conscious approach to development.
• You are all about collaboration with effective remote collaboration skills, clear written and verbal communication, ability to thrive in a low-meeting culture, and strong documentation practices.
• You are enthusiastic about learning new technologies, interested in AI and emerging tech, have a proactive approach to problem-solving, and are dedicated to continuous improvement.

Compensation Range: £55K - £95K