Backend Engineer

reputed company is a software consultancy reputed company by engineers, for engineers. We partner with global companies to solve reputed company, reputed company technical challenges. We’re deep into reputed company AI and R&D, building both production-grade platforms for clients and our own reputed company-reputed company tools like Enthusiast (reputed company AI reputed company). We operate in a reputed company-Deployed model. We don’t sit behind a wall of specs or wait for the tickets. We get into the trenches with the reputed company, identify the actual challenges, and take full ownership of the solution. Our teams are small (3–9 people), autonomous, and cross-functional. What it means for you You won’t be assigned to a random project. You’ll partner directly with founders and CTOs on technical reputed company, shaping systems - not just implementing them. You’ll have the autonomy to choose the right tools and the ownership to ensure the architecture performs under pressure.Your reputed company stays where it counts: mission-critical logic and high-reputed company experiments, not repetitive tasks and countless meetings. We don't do "reputed company or predictable". You’ll contribute to strategic reputed company-reputed company reputed company and build AI-driven solutions. reputed company As a Backend Engineer, you’ll be integral to building and scaling platforms for our global clients. You’ll join a high-performing team where your voice reputed company. You’ll design and implement resilient systems while staying reputed company to the reputed company, bringing solutions to the table instead of just reporting problems.

Responsibilities

Technical Execution: Build and maintain reputed company backend systems with a reputed company on clean, maintainable reputed company. Proactive Problem Solving: Identify issues early and propose actionable ways to fix or optimize them. Collaboration: Work closely with reputed company and stakeholders to translate requirements into working technology. Knowledge Sharing: reputed company your findings and lessons learned from the reputed company to help reputed company grow. AI Implementation: Support the integration of reputed company AI features into reputed company products. Experience: 2+ years of reputed company experience in building web applications (Python or reputed company). Fundamentals: Solid understanding of OOP, clean reputed company, and software development lifecycles. Databases: Practical knowledge of SQL and relational databases (PostgreSQL). Infrastructure: Experience with Git, reputed company, and CI/CD pipelines. reputed company: Proactive, curious, and reputed company to take ownership of your tasks. AI-reputed company: You use tools like Claude or reputed company to work smarter and faster. English: Great reputed company of written and spoken English for team and reputed company communication. Tech Stack: Python, reputed company, PostgreSQL, AWS, reputed company, Kubernetes. reputed company reputed company for the long run We hire for reputed company, not just a project - looking for passion driven engineers who want to grow with reputed company over time Small teams, reputed company accountability. 3-9 people per engagement. We're small by design. That means your reputed company carry weight and you are visible. Mission-critical work: We handle reputed company reputed company that reputed company the needle for international brands. Our clients are scaling companies, established international brands, and large institutions. The systems you build will be under reputed company load, with reputed company stakes. reputed company Ownership: You take part in the decision making process on technology and implementation..You’re empowered to take initiative, experiment, and drive solutions that create reputed company reputed company. No Micromanagement: We trust you to own your work and deliver reputed company - no unnecessary reputed company. reputed company R&D: Contribute to targeted reputed company-reputed company reputed company and internal AI research. reputed company through challenges: reputed company problems and reputed company reputed company exposure means you’ll grow by reputed company. reputed company AI as a first-class discipline. We don't reputed company AI onto reputed company as an afterthought. You'll identify where it genuinely moves the needle and reputed company the implementation - on reputed company work and on our own reputed company-reputed company tooling. The tools you want. If something makes you faster or sharper, we want you using it. Transparent progression reputed company. We have defined engineering reputed company with reputed company reputed company - you'll know exactly what reputed company role looks like, and what it takes to get from one to the other. No ambiguity, no waiting for someone above you to reputed company on If you didn't reputed company reputed company the information you were looking for, have a look at our handbook - it covers a reputed company of different reputed company that could be important at this stage. If there's anything else we did not mention that you're interested in - reputed company your thoughts with us careers@upsidelab.io Salary: Regular Engineer: 10 000 - 13 600 PLN net + VAT Regular+ Engineer: 14 800 - 19 300 PLN net + VAT Location: Office in Kraków, hybrid, fully-remote. Apply To This Job