Senior Full-Stack Engineer — Multi-Tenant SaaS & Payments

TrackMan; Hørsholm; On-site; DKK 700,000 - 1,000,000; Full time

Benefits offered by this job

Fitness center

Canteen

Forest surroundings

Job summary

TrackMan, the home of Trackman Bookings & Payments, is hiring a Senior Full Stack Developer to work across Next.js/React frontend and Node.js backend with a MySQL data model. You’ll help modernise a multi-tenant SaaS platform spanning bookings, memberships, pricing, and payments, both online and in person.

You’ll collaborate with UI/UX, Product, and QA to ensure quality and edge-case handling while contributing to code reviews and technical decisions.

Qualifications

• 4+ years of professional experience building production web apps.
• Experience across frontend and backend stacks (Next.js/React and Node.js).
• Strong TypeScript experience and migration exposure.
• Solid understanding of REST APIs and relational data modelling.
• Experience with testing and CI/CD practices.

Responsibilities

• Build features end-to-end for booking flows, checkout, and back-office tools.
• Collaborate with UI/UX, Product, and QA on scope and quality.
• Conduct code reviews and participate in technical discussions.
• Contribute to modernising the platform and ongoing TypeScript migration.

Skills

React/Next.js

Node.js

TypeScript

REST APIs

Relational data modelling

Testing/CI/CD

Tools

Strapi

Redux

RTK Query

MySQL

Git

Job description

TrackMan, the home of Trackman Bookings & Payments, is hiring a Senior Full Stack Developer to work across Next.js/React frontend and Node.js backend with a MySQL data model. You’ll help modernise a multi-tenant SaaS platform spanning bookings, memberships, pricing, and payments, both online and in person.

You’ll collaborate with UI/UX, Product, and QA to ensure quality and edge-case handling while contributing to code reviews and technical decisions.