Senior Product Engineer

Tenth Revolution Group; Stockholms kommun; Hybrid; SEK 900,000 - 1,200,000; Full time

Job summary

Tenth Revolution Group in Stockholm is seeking a senior software engineer to join a small, high-agency team. The role emphasizes ownership of core platform features, scaling high‑reliability systems, and applying AI to real user value across Europe.

You will work across backend and frontend, using TypeScript/Node.js, GraphQL, Next.js, React, and Python for LLM integrations, in a hybrid setup from their central Stockholm HQ.

Qualifications

• Significant experience shipping production software.
• Track record of owning complex features from idea to launch.
• Strong architectural and systems-thinking skills.
• Experience working with product/business stakeholders.
• Curiosity about AI and emerging tech and when to apply it.

Responsibilities

• Take ownership to build and own features end-to-end, from architecture to launch.
• Build scalable, high-reliability systems.
• Leverage AI daily and apply it to production for real user value.
• Develop and maintain robust web applications.
• Design backend APIs with GraphQL exposed to clients.
• Build modern interfaces with Next.js/React.
• Develop Python services to integrate LLM APIs (OpenAI or others).
• Contribute to architectural decisions and ensure code quality.
• Frontend work with React/Next.js; API work with GraphQL.
• Follow practices: automated testing, CI/CD, code reviews.

Skills

Ownership

Product sense

Systems thinking

Startup pace

Tools

TypeScript

Node.js

GraphQL

Next.js

React

Python

OpenAI APIs

Job description

Are you wanting to join one of Europe's most exciting scale-ups, building a hugely impactful product?

I'm looking for a senior, product-focused engineer to join one of Stockholm's coolest startups, a product that is genuinely improving lives & making the world a better place, growing at a 20x rate vs industry incumbents and already a leader within smart, applied AI within their field!

A few highlights of the company here

• 300,000 customers using the product
• Launched in Europe's biggest markets
• Significant funding and backing from some of Europe's top investors
• Strong investment in continuous product development, scaling the platform and accelerating their AI strategy, both internally, and applied AI

The role:

Currently, looking for an experienced engineer to join their team focused on the core platform, the payment engine and platform!

You'll jump into an incredibly small & talented engineering team where product & commercial outcomes are central to the engineering, with a tonne of complex technical challenges and building on a scaling platform, expanding across Europe, new markets, millions of users and beyond!

You will:

• Have the autonomy and ownership to build and own your features and systems end to end, from architectural decisions to launch
• Build scalable, high-reliability systems
• Leverage AI daily and explore new areas where AI can be applied into production for real user value
• Develop and maintain robust and scalable web applications
• Designing backend APIs in TypeScript / Node.js , exposed via GraphQL
• Building modern and efficient interfaces in Next.js / React
• Developing Python services for integrating LLM APIs (OpenAI or others)
• Contribute to architectural choices and ensure code quality
• Frontend : React, Next.js
• API : GraphQL
• Practices: automated testing, CI/CD, code reviews

What We’re Looking For

We're looking for a strong Senior Software Engineer who combines technical depth and product sense. You are able to take onwership and drive your own tasks, operate in a pragmatic nature with startup pace, and be keen to be part of an incredibly humble but high agency, charistmatic and collaborative team!

You should have:

• Significant experience building and shipping production software
• A track record of owning complex features or initiatives from idea to launch
• Strong architectural and systems-thinking skills
• Experience working closely with product/business stakeholders
• A genuine interest in the why, not just the technical implementation
• The ability to operate effectively in ambiguity and make pragmatic trade-offs
• High ownership and autonomy — you're comfortable figuring things out rather than waiting for detailed requirements
• Curiosity around AI and emerging technology, with good judgement around when and where to apply it
• A desire to build things that have measurable customer and business impact

This is a permanent role, hybrid out of a beautiful central Stokholm HQ.

Currently unable to assist with visa support or relocation.