Senior Backend Software Engineer (m/f/d), Rust – AI-first E-commerce Tech, Full-time

Adstrong; Województwo mazowieckie; Remote; PLN 185,000 - 290,000; Full time

Benefits offered by this job

Remote EU work

Equipment provided

Flexible hours

No weekend or night work

Job summary

Adstrong is seeking an experienced engineer to join a small, skilled team and own projects from idea to delivery in a fully remote EU setup. You will build AI-first backend systems mostly in Rust with some Python, and collaborate with the business side to gather requirements and implement scalable solutions.

The role emphasizes architecture, data modeling, and end-to-end ownership, with a strong culture of knowledge sharing and rapid decision-making.

Qualifications

• Bachelor's degree in computer science or related field.
• Strong architectural awareness and ability to choose components/infrastructure.
• Experience with event-driven systems (Kafka, SQS/SNS).
• Rust backend experience; curiosity to make it main language.
• Business-fluent English (C1+).
• Experience contributing to engineering culture (code reviews, knowledge sharing).
• Hands-on with AI-driven planning and review of outputs.

Responsibilities

• Build AI-first systems and steer coding agents, reviewing outputs critically.
• Translate business goals into actionable software delivering working solutions.
• Make architecture and data-model decisions to keep systems fast and scalable.
• Own existing applications and build new solutions for the affiliate business.
• Design and develop event-driven backend systems (Rust/Python).
• Own topics end-to-end and keep stakeholders informed.

Skills

Rust backend

Python

AI-driven coding

Architecture mindset

Event-driven design

Kafka / AWS SQS/SNS

Code reviews

Education

Bachelor's degree in CS or related field

Tools

Kafka

AWS SQS/SNS

TypeScript/Next.js

Job description

We’re a profitable, self-funded company that keeps growing, with a stable and supportive team. We’re looking for an engineer who wants to stay with us for the long run.

You’ll work towards clear goals, use AI to work smarter, and own your projects from the first idea to delivery, all fully remote.

Why adstrong

• 100% remote: work from anywhere in the EU, with flexible hours and no weekend or night work.

• No process chaos: documentation and procedures are well-structured and digital.

• No politics: we encourage proactive decisions and make ours within 24 hours.

• Stable and growing: a fully self-funded, fast-growing company with no external investors.

• Small, skilled team: a hands-on tech team of around 6 people.

• Great working culture: supportive colleagues who help each other and share knowledge openly.

• AI-first: coding agents are how we build, and your judgement is what matters.

• Attractive compensation: plus all the equipment you need.

Your Role

• Build AI-first: plan with AI, steer coding agents and review their output critically.

• Turn goals into solutions: work directly with colleagues on the business side to gather requirements, agree on the approach and deliver working software.

• Make architecture and data-model decisions that keep our systems fast and reliable as we scale

• Take ownership of existing applications and build new solutions for our affiliate business.

• Design and develop event-driven backend systems that handle large volumes of product and campaign data, mostly in Rust and partly in Python.

• Own your topics end to end, keeping the team and stakeholders informed along the way.

Your Profile

• Experience contributing to a strong engineering culture, e.g. through code reviews, knowledge sharing, or improving team tools and ways of working.

• Daily hands-on work with coding agents: you plan with AI, delegate the implementation and know how to review what comes back, including more complex workflows like one model writing code while another reviews it.

• Strong architectural awareness: you know which components and infrastructure to use for which problem, and how to structure what you build.

• Rust experience, or curiosity about it and readiness to make it your main language, as most of our backend is written in it. C or C++ experience is a strong alternative.

• Experience solving problems close to ours, ideally in e-commerce, affiliate marketing, Google Shopping, Google Ads or other data-heavy web platforms. Our business team will help you build the domain knowledge.

• Experience with event-driven systems (e.g. Kafka, AWS SQS/SNS or similar)

• A solid grasp of the full engineering process: requirements, design, trade-offs, testing and maintainability

• Mid- or senior-level experience. We care more about how you think and work than about years on paper. Our business team will help you build the domain knowledge.

• A Bachelor’s degree in computer science or a related field.

• Business-fluent English (C1 or higher).

Our stack: Rust (plus some Python) on the backend, and TypeScript / Next.js on the frontend. The frontend is owned by our frontend engineers, so experience there is a plus but not required.

Your Mindset

• Clear, proactive communication: you’re comfortable talking with business colleagues, ask the right questions early, share progress without being asked and explain trade-offs in plain language

• Self-organization: you plan your work, set priorities and follow through

• Curiosity: you enjoy new topics, including the business side, and keep learning as tools and AI evolve

• Ownership: you care about the outcome, not just the code, and drive your topics forward

• Team spirit: we improve as a team, so honest feedback matters to us, and so do your ideas for improving our culture, tools and ways of working

If you match most of these points and want to help shape the technology behind one of Europe’s leading CSS providers, we’d love to hear from you. There’s no classic coding test in our process. Instead, we’ll talk through a realistic goal together and see how you approach it with AI.