Senior Software Engineer (US Eastern Time)

Join us!
Valdyr is on a mission to simplify and digitize the telecom industry. Our platform powers next-generation mobile providers from traditional MVNOs to eSIM challengers and non-telecom players looking to embed connectivity into their offerings. With our roots in Stockholm (Sweden) and our sights on a global scale were building the future of telecomfast flexible and customer-first.

As we expand into the Americas were looking for a Senior Software Engineer based in Spain or LATAM working US Eastern hours to help us scale our platform from tens of thousands to hundreds of millions of users.

As Senior Software Engineer at Valdyr youll own platform feature development and support across the Americas working independently and closely with our European team so nothing stalls between time zones. Our platform is scaling into new markets with dynamic requirements so youll shape design and build fundamental components of our Seamless OS. Well shape the scope around your background skills and technical interests.

Youll work with a team of skilled engineers on a modern cloud-native architecture: a Go backend running on AWS with Kubernetes services communicating over gRPC a React front end GraphQL and REST APIs and data in PostgreSQL with event sourcing.

• Own feature development and support for the platform across the Americas

• Design and build fundamental components as we scale into new markets

• Work closely with the European team to keep work moving across time zones

• Drive projects forward and dig deep to solve problems rather than handing them off

• Tackle complex technical challenges collaboratively and keep improving systems and processes

• Use AI tools in your daily workflow for speed quality and better decisions while applying strong engineering judgment

• Plan and manage your own work making decisions independently

• Share knowledge and help lift the engineering practices of the team

• 5 years as a backend or full-stack engineer in a modern technology environment

• Strong Go and SQL skills; GraphQL React or TypeScript is a plus

• Experience in a backend-focused full-stack role comfortable working in React when needed

• Experience across multiple domains

• Familiarity with AWS Kubernetes gRPC microservices and event sourcing

• An AI-native way of working with AI tools integrated into your daily workflow

• A real ownership mindset with high autonomy and a focus on delivering results

• A startup mindset: you thrive in a small high-autonomy execution-focused team

• Growth orientation: you own your development and share knowledge with others

• Excellent communication and strong written and spoken English; Spanish or Brazilian Portuguese is a plus

• Based in Spain or LATAM and available to work US Eastern hours

Were not building for telco as it iswere building for how it should be: fast-moving easy to use and built for the people who use it. At Valdyr youll join a curious international ambitious and transparent team. We work hard we move fast and we support each other every step of the way.

Heres what you can expect:

• A product already shaking up the telco space

• A hybrid and fully international setup with offices in Madrid London New York and HQ in central Stockholm

• A growing company backed by strong investors

• The chance to shape both product and technology as we scale globally

• A tight-knit no-ego culture where ideas matter more than titles

• Real ownership and the support to make bold things happen

Sounds like your challenge
Lets talk.