Senior Fullstack Engineer

Super Technologies; España; On-site; EUR 70,000 - 95,000; Full time

Benefits offered by this job

Medical / Health Insurance

Open Annual Leave

Employee Assistance Programme

Training & Learning Development

Job summary

Super is a global technology group powering entertainment and fan-centered experiences. We seek a Senior Full Stack Engineer to shape systems across multiple engineering domains and drive critical functionality for millions of users worldwide.

You will work with TypeScript, React, Node.js, and modern tooling to deliver scalable features, mentor teammates, and optimise developer experience in a fast-paced environment.

Qualifications

• Strong TypeScript skills and experience with Node.js (Fastify preferred) and ideally React or any JS framework.
• Understanding of multi-tenant architecture and scalable system design.
• Ability to analyse existing systems, research improvements, and collaborate with product teams and stakeholders.
• Experience writing comprehensive, effective tests to ensure reliability and maintainability.
• Familiarity with design systems (e.g. Ant Design, Material Design, Bootstrap).
• Experience building and maintaining developer experience (DX) tools to streamline workflows.
• Detail-oriented with a commitment to delivering high-quality products.
• Understanding of software development best practices, design patterns, and performance optimisation techniques.
• Ability to thrive in a collaborative, fast-paced team environment.

Responsibilities

• Own the entire product lifecycle, from concept and proposal through to release and ongoing maintenance
• Leverage modern technologies including TypeScript, React, Node.js, Vite, PNPM, AWS, and Kubernetes
• Mentor teammates to ensure efficient, high-quality task execution and delivery
• Drive initiatives to enhance the developer experience, improving workflows and collaboration
• Optimise build processes and tooling to boost team productivity
• Utilise best-in-class tools including Notion, Jira Cloud, GitHub, Zoom, Lattice, and Slack

Skills

TypeScript

Node.js

React

Vite

PNPM

AWS

Kubernetes

DX tools

Testing

Design systems

Tools

Notion

Jira Cloud

GitHub

Zoom

Lattice

Slack

Job description

We are on a mission to pioneer the world’s next era of play. As we grow across Europe and Latin America, we’re building The Playstack - the technology powering the next generation of sports, gaming, and fan experiences. Join us, and help make it the most widely used platform in the world! From operations, to marketing, to product, we are looking for talented people who will shape how millions of customers play, watch, and connect every day.

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Super is one of the largest sports betting operators in the region, running a network of over 1,000 locations across multiple geographies and processing more than 22 million bets per month. As a Senior Full Stack Engineer, you will join a team with organisation-wide impact and deep connections across multiple engineering areas. In this role, you will help shape systems that power critical functionality across the business and connect multiple engineering domains.

What the role involves

• Own the entire product lifecycle, from concept and proposal through to release and ongoing maintenance
• Leverage modern technologies including TypeScript, React, Node.js, Vite, PNPM, AWS, and Kubernetes
• Mentor teammates to ensure efficient, high-quality task execution and delivery
• Drive initiatives to enhance the developer experience, improving workflows and collaboration
• Optimise build processes and tooling to boost team productivity
• Utilise best-in-class tools including Notion, Jira Cloud, GitHub, Zoom, Lattice, and Slack

What we are looking for

• Strong TypeScript skills and experience with Node.js (Fastify preferred) and ideally React or any JS framework
• Understanding of multi-tenant architecture and scalable system design
• Ability to analyse existing systems, research improvements, and collaborate with product teams and stakeholders
• Experience writing comprehensive, effective tests to ensure reliability and maintainability
• Familiarity with design systems (e.g. Ant Design, Material Design, Bootstrap)
• Experience building and maintaining developer experience (DX) tools to streamline workflows
• Detail-oriented with a commitment to delivering high-quality products
• Understanding of software development best practices, design patterns, and performance optimisation techniques
• Ability to thrive in a collaborative, fast-paced team environment

Nice to have

• Experience in the betting or gaming industry
• Experience developing back-office applications such as dashboards and CRUD systems with complex data models
• Experience building applications with high-frequency, low-latency data changes
• Ability to navigate complex domains and business requirements
• Track record of building strong relationships with users and stakeholders to enhance software quality

What we offer

• Medical / Health Insurance
• Open Annual Leave
• Employee Assistance Programme
• Training & Learning Development

Additional benefits vary by country and will be shared during the hiring process.

About Super

We are a global technology group, dedicated to building the future of entertainment and fan-centered experiences. With commercial markets in Brazil, Belgium, Poland, Romania, Greece and Serbia, and a network of offices across Spain, Croatia, Malta, Gibraltar, the Netherlands and the UK, we are a truly international organization. Our purpose at Super has evolved from sports and betting into creating the platform that stretches into the wider world of technology-driven entertainment. With a growing and diverse team of more than 5,000 people, we create immersive, responsible, and personalised experiences for millions of customers worldwide.

Shaping the Future of Play

Everything we do at Super is rooted in doing what is right: for customers, for each other, and for our long-term vision. Our Culture Manifesto is our North Star. It captures our purpose, mission, and the six core beliefs that shape how we think, make decisions, and act every day. Want to explore our culture in more detail?

Super is committed to the highest standards of compliance, safety, and responsibility. As such, we are active members of the International Betting Integrity Association (IBIA) and the European Gaming & Betting Association (EGBA).

At Super, we operate as a high-performing team. We hire and grow talent based on ability and potential, regardless of background and identity because we know diverse perspectives, drive better performance.