Staff FullStack Developer

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 billiondollar 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?

Were 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.

Role Overview:

We are looking for a Staff FullStack Developer with a high level of technical expertise to join our empowered and trusted team. You’ll be working with cuttingedge technologies and driving innovation through deep architectural and development work. Our team values autonomy, flexibility, and a high bar for excellence—so we need someone who is excited about taking on challenges and pushing their technical limits.

This role is for a handson, highimpact Staff FullStack Developer who thrives in an intense, agile, and flexible environment. You will be directly involved in shaping and delivering critical features and system architectures, collaborating closely with senior leadership like the CTO and CEO. There is no people management involved, just technical excellence and a relentless drive to deliver businessimpacting solutions. You will work across a range of technologies, adapt to changing requirements, and contribute to the evolution of our entire tech stack while maintaining a high standard of code quality.

What Youll Do:

• Technical Leadership: Drive development using C#, ASP.NET Core, TypeScript, Vue.js, and other technologies. Own architectural decisions, contribute to product innovation, and ensure the highest levels of code quality through best practices and thorough reviews.

• HighImpact Projects: Work directly with the CTO and CEO on companywide, highprofile projects that have immediate business impact. Dive deep into emergencylike situations where your technical expertise is crucial for fast decisionmaking and delivery.

• FullStack Development: Be a key player in building both frontend and backend systems with expertise in fullstack development, including advanced data visualization tools, AIenhanced user experiences, and highperformance web applications.

• Adapt and Innovate: Stay ahead of the curve by continuously learning new technologies and frameworks. Develop cuttingedge features while embracing flexibility in approach, tools, and languages.

• Collaborate and Mentor: Work in a lowhierarchy, highly autonomous environment with full trust from leadership. Collaborate with crossfunctional teams, act as a role model for junior developers, and help drive the technical direction of the company.

• Agile Execution: Jump into situations where business urgency drives fastpaced development and decisionmaking. Focus on flexibility, adaptability, and solving problems quickly and efficiently.

• Impactful Results: Your work will have a measurable impact on the companys success, contributing to the growth of our tech stack and delivering solutions that improve our customers workflows and satisfaction.

• What Were Looking For:

  • Expertlevel FullStack Development: Strong experience with C#, ASP.NET Core, TypeScript, and Vue.js (or equivalent experience with ReactAngular). You’re comfortable with componentbased architecture, modern JavaScript, and building scalable, maintainable solutions.

  • Deep Architectural Knowledge: Proven experience in fullstack development with a focus on designing and implementing complex systems. You’re familiar with frontend frameworks, backend architectures, API development, and SQL Server.

  • High Code Quality: You have a relentless focus on clean, maintainable, and performant code. You ensure that your solutions are scalable and secure and have a strong understanding of unit testing, automation, and code reviews.

  • Adaptability: You do not need perfect requirements at the outset to get going, highintensity environment where requirements can change rapidly. You love the challenge of learning new tools and technologies and adapting your approach to meet evolving business needs.

  • Collaboration & Independence: While youre part of a closeknit team, youre trusted to work autonomously, take initiative, and make decisions that directly influence product direction.

  • Continuous Improvement: You’re passionate about staying on top of the latest trends in software development, including AI tools, and you’re always looking for ways to improve your craft and drive technical innovation.

  • You’ll Thrive in This Role if:

    • You are excited about being in the trenches, solving tough, businesscritical problems and shipping highquality code with speed and precision.

    • You love the idea of directly influencing the company’s tech direction and collaborating with senior leadership on highprofile initiatives.

    • You are a true selfstarter who enjoys autonomy, thrives in a lowhierarchy environment, and is energized by working with high trust and independence.

    • You enjoy solving complex problems, innovating under pressure, and delivering solutions that drive business impact.

    • You are committed to high standards, continuous learning, and pushing your technical boundaries.

    • It Would Be a Plus If:

      • You have experience with data visualization technologies or interactive diagramming.

      • You are familiar with Azure cloud services and Docker containerization.

      • You have experience working with .NET and ASP.NET Core at an enterprise level.

      • You have worked with Azure DevOps and Git in production environments.

      • You’ve contributed to largescale enterprise application development.

      • What You’ll Get:

        • An opportunity to have a direct impact on a product that’s rapidly evolving into the Figma for business and city professionals.

        • The chance to work with cuttingedge technologies and make decisions that shape the future of our platform.

        • A team that values autonomy, collaboration, and a high standard of technical excellence.

        • Continuous learning opportunities in an environment where innovation is encouraged.

        • Apply now and be part of a team that’s shaping the future of Jigsaw, delivering innovative solutions that make a meaningful difference for our users.