Senior Full Stack Engineer

FANtium; Berlin; On-site; EUR 90,000 - 120,000; Full time

Job summary

FANtium is seeking a Senior Full Stack Engineer to drive the product vision and tech roadmap. You will implement sleek designs, seamless UX, and innovate to support both Web2 and Web3 technologies, ensuring delivery aligned with business requirements and the roadmap.

Join a team guided by stability, security, and scalable infrastructure values, working hands-on to build core features and architectures while mentoring others.

Qualifications

• 5+ years in full stack development with end-to-end lifecycle experience.

Skills

Full stack development

Hands-on coding

Web3 / blockchain interest

Team collaboration

Architectural design

Tools

TypeScript

NodeJS

React

NextJS

Web3js

HTML / CSS (Tailwind)

Job description

Company Overview

FANtium is a whole new way to connect with your favourite athletes and share their success. We enable FANs to invest in athletes they believe in through NFTs and share their real‑world financial success for a season or along their career. FANs become part of the athlete’s close and exclusive community, with access to curated benefits and real‑life experiences. When athletes win, everyone in the community wins.

Job Description

As our Senior Full Stack Engineer, you will be our core developer, in charge of implementing the product vision and tech roadmap. You’ll also be the technical artist behind implementing our sleek designs, seamless UX and innovations to support the combined web2 and web3 technologies. The mission will be to ensure the delivery of the product, aligned the requirements of the business and the product roadmap, whilst adhering to the stability, security and scalability infrastructure values for the platform.

Our Tech Stack

• Full Stack: Typescript, NodeJS, React, NextJS, Web3js, HTML / CSS (Tailwind)
• Cloud: AWS, API, Git
• Headless CMS, Railway / Strapi
• Experience building apps
• Bonus: familiar / strong interest in the Web3 technologies. Solidity, IPFS, Open Zeppelin Library, RPC (Remote Procedure Calls), Security Principals

Qualifications

• Experienced full stack developer: 5+ years in full stack development, with start to end development lifecycle (plan, scope, develop, implement, test, deploy)
• Happy to “get your hands dirty”: you love to code vs. manage, and enjoy building technical architectures and translating ideas into code
• Excited about blockchain technology, or have experience in working with Web 3 projects
• Thinking outside the box to achieve innovative solutions for users and athletes
• Experienced in working in a team of developers, and supporting more junior engineers develop.

Additional Information

Our core team are experienced leaders (ex-BCG, ex-Google, high‑growth tech startups), and we have convinced some of the greatest athletes to join us.

Tech Team Specific Values

• Every engineering suggestion is discussed
• We take our time and get it right
• Accountability
• We support each other and help where we can
• Learning and continuous improvement

Equal Opportunity Statement

We welcome and encourage applicants of all ages, nationalities, genders, sexual orientations, religious backgrounds and gender identities as well as people with disabilities to apply.