Senior Python Software Engineer

Full-time, Agreement-based
Bratislava/Hybrid

Job description & Requirements

We are looking for a Senior Python engineer who can own complex back-end systems, architect scalable solutions, and mentor teammates while keeping an eye on long-term technical excellence.

What you will bring:

  • Proven expertise in Python back-end engineering, designing robust and maintainable systems.

  • Strong mastery of the software development lifecycle (GitLab, Jira, CI/CD, code reviews).

  • Solid grasp of OOP and SOLID principles, with the ability to enforce clean coding standards.

  • Hands-on experience building and maintaining API libraries (FastAPI or similar).

  • Proficiency with relational (SQL) and/or NoSQL databases, plus practical use of vector databases (Elastic, Azure AI Search, etc.).

  • A leadership mindset: mentoring junior developers, guiding design discussions, and influencing technical direction.

  • Minimally 8 years of experience as a software engineer.

Nice to have:

  • Applied ML/NLP knowledge (building and integrating models, not just theory).

  • Experience with prompt engineering and LLM-powered applications.

  • Cloud fluency (Azure, AWS, or GCP).

  • Kubernetes and container orchestration know-how.

  • A DevOps culture mindset (automation, monitoring, CI/CD optimization).

Benefits

  • Engaging projects across diverse industries, offering continuous professional challenges and growth opportunities

  • Tailor-made learning & development program, complemented by monthly in-house workshops to boost your skills

  • Modern, inspiring office environment with daily perks such as breakfast, fresh fruit, and yoga sessions

Company description

Ableneo is a technology and transformation partner that bridges business consulting with software engineering to drive meaningful change. With over 80 team members across four global offices and more than 11 years of experience, Ableneo has served over 50 clients, including notable organizations like ŠKODA, KBC Group, and Erste Group.

Our service portfolio includes:

  • AI & Data Enabling: Assisting clients in adopting AI technologies and implementing chatbot and large language model solutions.

  • Business Optimization & Efficiency: Offering AI-driven process automation, strategies for future-proofing companies, and workload optimization.

  • Product Design & Development: Providing competitive benchmarking, custom software development, customer experience and product design, and design systems.

  • Software Engineering: Delivering services such as Competence as a Service, Software Engineering as a Service, Team as a Service, and technology health checks.

Ableneo caters to both startups and established corporations, aiming to reduce the risk of failed innovation by providing expert teams and individuals to identify, evaluate, and implement impactful changes.

Alexandra Gašparová

alexandra.gasparova@ableneo.com