Python Developer

About us

LLInformatics is a forward-thinking IT consulting firm, trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 100+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success.

• Contract Type: B2B

• Location: Remote or in our Warsaw office

We’re looking for a skilled Backend Python Developer to own and build robust backend features and API integrations. If you’re passionate about working with cutting-edge AI integrations and connecting diverse systems, this role is for you!

Your tasks and responsibilities:

🔹 Lead development of backend features and API integrations using Python (FastAPI), gRPC, and SQL.

🔹 Build and maintain connectors for various APIs, file systems, and external platforms such as SharePoint, SFTP, and webhooks.

🔹 Integrate Large Language Model (LLM)-based capabilities with comprehensive evaluation and monitoring.

🔹 Adapt and extend auto-generated pipelines and support front-end output integration.

🔹 Drive AI-assisted development by establishing guardrails, context packs, and mentoring teammates.

🔹 Collaborate closely with Solution Strategists, Data Platform, and Support teams to deliver end-to-end solutions.

Requirements:

✅ 4+ years of experience in backend development with Python (FastAPI, SQL).

✅ Proven expertise in API design and integrations.

✅ Hands-on experience with workflow orchestration tools like Temporal or Dagster.

✅ Strong understanding of CI/CD pipelines, containerization (Docker), and cloud platforms (Azure, AWS, or GCP).

✅ Comfortable leveraging AI coding assistants (e.g., Cursor, Codex, Claude Code) for scaffolding, refactoring, and testing.

✅ Solid SQL skills and data modeling experience.

✅ Familiarity with monitoring and evaluating AI/data pipelines.

✅ Genuine interest in AI technologies and helping teams enhance their AI development capabilities.

✅ Fluent in English and Polish (B2+ level).

✅ Experience working in Agile environments (Scrum, Kanban).

Why join us? 

🔹 Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings.

🔹 Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU, go hybrid, or enjoy our Warsaw office, fully equipped for productivity.

🔹 Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team.

🔹 Flat Structure – We value initiative and open communication. Every voice matters here!

🔹 Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable.

🔹 Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world.

🔹 Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow.

🔹 Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office, you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk.

🔹 Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.

Recruitment Process:

1st Stage: 30-minute video interview with one of our recruitment team members.

2nd Stage: 1-hour technical video interview.

3rd Stage: 1-hour video interview with the client. 

Please include the following GDPR clause in your CV:

I hereby consent to my personal data being processed by Łukasz Łażewski Informatics SKA for the purpose of considering my application for the role I have applied.

and the OPTIONAL one:
I hereby consent to my personal data being processed by Łukasz Łażewski Informatics SKA in order to consider my application in future recruitment processes.