MasterBorn

Designs, builds, and scales custom software

Junior Backend Developer - Python

Backend EngineeringConfirmed live in the last 24 hours

Full-timeWrocław, PolandPLN5k - PLN10k /mo

About the Job

Requirements

At least 6 months of commercial experience with Python.
Understand Python 3.10+ fundamentals, type hints, object-oriented programming principles, common data structures, and how to write clean, readable, and maintainable code.
Have basic experience with Django, including its core features such as models, views, the object-relational mapper, and migrations, and have worked on at least one project involving Django.
Be familiar with building and consuming RESTful APIs.
Understand object-oriented programming, basic good practices and data structures, and use design patterns to support SOLID and DRY code.
Know how to use AI tools, with Claude Code preferred, understand the consequences of their use, and independently write code without AI support.
Have worked with SQL databases such as PostgreSQL or MySQL, write basic SQL queries, and use them alongside Django's object-relational mapper.
Have experience with Git.
Have English proficiency at B2 level to cooperate with American clients.
Have Polish proficiency at C1 level to communicate within the team.

Responsibilities

Write clean, maintainable, and well-structured Python code, leveraging AI coding agents while taking full ownership of the final solution.
Contribute technically to the product by identifying ways to improve it.
Write documentation for delivered code.
Review peers' code.
Reuse and improve the company knowledge base.
Communicate with the team to translate business complexity, including user stories and tasks, into solutions, end results, and estimates.
Learn continuously.

Desired Qualifications

Contribute to open-source projects.
Understand Agile and Scrum and work as a team toward a shared goal.
Understand the significance of a minimum viable product and aim to deliver high-quality results amid tight project timelines.
Have experience with Django REST Framework or other Python frameworks such as FastAPI or Flask.
Be familiar with Django Admin.
Have experience with automated testing such as pytest.
Have experience with Celery or another task queue and Redis.
Have experience integrating with payment or billing providers such as Stripe or Zuora, or with email platforms.
Understand AWS and its uses.
Have serverless experience.
Know how to run Docker images and use them.

Salary Range: 6000 to 10000 (Currency: PLN) (Pay period: per-month-salary)

We are looking for a skillful Backend Developer to join one of our teams working with US clients - referrals from the high-end American IT market.

Our tech stack is built around React, Node.js and TypeScript. We are working with well-established companies and sometimes startups in their early stages (MVPs), which makes the job full of diversity and exciting challenges while crafting cutting-edge solutions.

Enjoy the flexibility of working within the Polish time zone and collaborate with clients from diverse industries such as FinTech, SportsTech, MedTech, and many others.

Salary: PLN 6.000 - 10.000 + VAT (B2B); PLN 5.000 - 7.500 brutto (UZL)

Rate: PLN 6.000 - 10.000 + VAT (B2B); PLN 5.000 - 7.500 brutto (UZL)
Required: 6-12 months commercial experience with Python, knowledge hungry, understand core Python concepts (Python 3.10+), basic experience with Django, hands-on experience with SQL databases, understand what SOLID & DRY stand for
Offer: B2B/UZL, paid days off, 100% remote (or hybrid/onsite - as you prefer), Polish time zone, flexible hours, full-time position, Scrum Teams
Perks and Benefits: 3,000 PLN annual training budget, Multisport, Luxmed, Cafeteria Platform, Learning Sessions, Education Budget & more
Tools you'll use: Apple MacBook Pro, Slack, GSuite, GitHub, Jira, Coda, Miro

Your future tasks and duties:

Writing clean, maintainable, and well-structured Python code, leveraging AI coding agents while taking full ownership of the final solution
Technical involvement in the product - finding the ways to improve it
Writing documentation for delivered code
Peer code review
Reuse and improve of the company knowledge base
Communicate with the team to efficiently translate business complexity (user stories/tasks) into solutions (end results/estimations)
Learning, learning and learning ;)

About you - Tech skills & Experience:

At least 6 months of commercial experience with Python
Understand Python (Python 3.10+) fundamentals, type hints, OOP principles, common data structures, and know how to write clean, readable and maintainable code
Basic experience with Django - know its core features (models, views, ORM, migrations), worked on at least 1 project involving Django, would be great to have commercial experience in it
Familiarity with building and consuming RESTful APIs
Know what OOP is, understand basic good practices and data structures, want to have a SOLID and DRY code with the use of design patterns
Know how to use AI (Claude Code preferred), but understand the consequences of its use and can independently write code without its support
Have worked with SQL databases (e.g. PostgreSQL, MySQL) - can write basic SQL queries and use them alongside Django ORM
Experience with Git

About You - Soft Skills:

English level B2 to cooperate with American clients
Polish level C1 to communicate easily within the team
Knowledge-hungry, positive attitude
Effective communication - crucial for seeking feedback and understanding others’ perspectives
Open-minded to new ideas, perspectives, and feedback from experienced colleagues
Being open to change and adapting to different situations
Being aware of your strengths, weaknesses, and areas for improvements
Enthusiastic for learning and taking on challenges
Actively seeking solutions and trying to figure things out on your own, but not being afraid to ask for help when needed

Nice to have:

Open-source contributions
Understand what Agile/Scrum is and want to work as a team towards one goal
Understand the significance of MVP and aim to deliver top-notch results, even amid tight project timelines
Experience with Django REST Framework or other Python frameworks (e.g. FastAPI, Flask)
Familiarity with Django Admin
Experience with automated testing (e.g. pytest)
Experience with Celery (or another task queue) and Redis
Experience integrating with payment or billing providers (e.g. Stripe, Zuora) or email platforms
Know what AWS is and get why it is used
Serverless experience
Know how to run Docker images and how to use them

Meaningful projects, top-notch experts and value-driven workplace

Sound good?

Apply now!

About the Company

MasterBorn

Designs, builds, and scales custom software

MasterBorn is a full‑service software development partner that helps clients design, build, and scale custom software products. It works by collaborating with clients to turn their vision into practical software, delivering results faster and with smarter decisions, while providing expert support at every step from discovery through delivery to scaling. What sets MasterBorn apart from competitors is its end‑to‑end, hands‑on partnership approach—covering design, development, architecture, and ongoing scaling with a team of experienced professionals—so clients can reduce risk and move from idea to a shipped product quickly. The company's goal is to help organizations turn their ideas into scalable software solutions by delivering the right product, on time, with the guidance of experienced engineers and consultants.

Company size: 11-50
Company stage: Not listed
Total funding: Not listed
Headquarters: Austin, TX
Founded: 2016

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