Full Stack Developer (Python/React)

Must have

• Strong proficiency in Python, with knowledge of Django, Flask, or FastAPI.


• Experience with ReactJS and proficiency in JavaScript, including familiarity with TypeScript.


• Knowledge of HTML, CSS, and web development best practices.


• Experience with designing and implementing RESTful APIs.


• Experience with using databases like PostgreSQL or MySQL.


• Experience with Git, version control, and deployment tools.


• Proficiency in writing clean and maintainable code.


• Strong problem-solving skills and the ability to work in a fast-paced environment.


• Excellent communication skills, both written and verbal.


• Ability to collaborate with a team of developers and work closely with project managers to deliver high-quality products.


• Passion for learning new technologies and keeping up with industry trends.


• Ability to work independently, manage time effectively, and show strong attention to detail.

Nice to have

• Good knowledge of SQL and Python ORMs (especially SQLAlchemy).


• Experience with Streamlit.


• Experience working with decision support systems.


• Experience with data visualization.


• Knowledge of Sass.


• Experience with R/Shiny.


• Experience working with Docker.


• Good knowledge of the Unix environment.


• ETL experience.


• Practical knowledge of CI/CD tools and server-side cloud solutions.


• Knowledge of design patterns or best practices in SOLID.

You will be:

• Collaborating with a team of developers on a client project


• Developing high-quality software


• Getting and understanding business requirements from clients


• Creating decision support systems by analyzing and visualizing data


• Invest in continual improvements to tooling or technical debt.


• Resolve technical disagreements and manage the technical quality of team deliverables.


• Effectively using design docs, implementation plan, tech talks and discussion groups to communicate technical decisions;

Why Appsilon is a good place for you:

• You will be supported by a Direct Manager who will introduce you to the company and help you grow.


• You will have the opportunity to develop in many technical directions, including infrastructure, frontend, data science and more.


• We really focus on delivering high-quality value, and we say no to mediocrity


• You will have a tangible impact on the work of the tech team - we are open to your ideas.


• Your work has a tangible impact on the work of the whole company.


• We have an amazing team, ready to support you

What’s in it for you

• 15000 - 18000 PLN VAT on B2B


• 3500 - 4200 USD + VAT on B2B


• 26 days of paid holidays + an equivalent of public holidays in Poland, est. 11 days in 2025


• +5% of salary in Professional Development Budget to spend on activities that help you grow


• 33 days (paid 80%) per year on B2B when on a sick leave


• 4 paid days per year to be used for training/conferences, events, or workshops


• Remote work-first working culture with flexible working hours to adjust to your family life


• Private health care insurance for you and your family


• Life insurance for you and your family


• FitProfit or FitSport membership card


• AskHenry – a personal assistant works great in large Polish cities, elsewhere limited to online support


• We will provide you with a MacBook and additional accessories for your computer to make your work even more efficient and comfortable.

What can you expect during the recruitment process?

• Screening call with Talent Manager


• Task


• General interview


• Technical interview