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