Senior Full-Stack Developer

About

We are working with a fintech software company building a B2B SaaS platform used by wealth managers and family offices to aggregate financial data, generate portfolio reporting, and automate operational workflows.

The product is live, data‑intensive, and used by professional users in environments where accuracy, reliability, and data security matter. As the platform continues to evolve, the company is looking to bring in an experienced Senior Full‑Stack Developer to strengthen the core engineering team.

In order to be successfully considered for this position, applicants must demonstrate senior‑level experience building and owning production SaaS systems within a startup or scale‑up environment, with strong full‑stack capability across modern JavaScript technologies.

The Position

The appointed Developer will assume responsibility for:

• Building and shipping features across frontend and backend
• Developing user interfaces with a focus on clarity, performance, and usability
• Designing and maintaining APIs that support financial and asset‑related workflows
• Working closely with Product and Design to turn real requirements into sensible technical solutions
• Taking responsibility for code quality, testing, and long‑term maintainability
• Contributing to planning and technical discussions as the product grows

Core Technical Stack

The following technologies are all used in production:

Frontend

• React
• Tailwind CSS
• React Native

Backend

• Node.js
• TypeScript
• GraphQL

Tooling and Practices

• GitHub
• API‑driven architecture
• Automated testing and code quality practices

The Candidate

Applicants will be expected to demonstrate:

• 5+ years experience as a full‑stack software engineer
• Experience working in a startup or scale‑up SaaS environment
• Solid production experience with React, Node.js, and TypeScript
• Practical experience with Tailwind CSS and component‑based UI development
• Exposure to React Native in a production setting
• Experience working with GraphQL APIs
• Comfort operating in data‑intensive systems, ideally involving financial or sensitive data
• The ability to work autonomously and take ownership of features end to end

Fintech or regulated‑environment experience is a plus, but not required.

The Company

Our client builds fintech software for wealth managers, family offices, and private‑wealth professionals.

The platform focuses on aggregating financial and asset data, producing structured portfolio reporting, and automating operational workflows. It is designed for professional users operating in data‑sensitive and accuracy‑critical environments.

The business is venture‑backed, the product is established in market, and the engineering team is scaling alongside increased platform usage.

Benefits

• Competitive salary
• Equity participation
• Hybrid working
• Modern JavaScript‑centric stack

Professional working environment with technical documentation and collaboration in English.