Python Developer

CompatibL; Warszawa; Hybrid; PLN 120,000 - 160,000; Full time

Job summary

A leading provider of trading and risk management solutions is seeking a Python Developer to join their team in Warsaw or work remotely. The role involves developing new software features and maintaining existing systems for a major US bank, requiring a strong background in Python and web APIs. Candidates should have excellent problem-solving skills and experience in an Agile environment. The company offers flexible working hours, private medical care, and a comprehensive benefits package.

Benefits

Flexible working hours

Up to 26 paid days off

13th month salary

Private medical care

Equipment provided

Internal training programs

Reimbursement for training and conferences

Partial sports and fitness reimbursement

Team-building events

Qualifications

• Strong programming background with Python and OOP programming skills.
• Experience using server‑side logic.
• Hands-on experience in developing web APIs using FastAPI.

Responsibilities

• Develop new software features and support existing ones.
• Write scalable and fault-tolerant code and debug programs.
• Integrate applications with third-party web services.

Skills

Python

OOP programming

FastAPI

MongoDB

SQL

Agile methodology

Git

Jira

Confluence

Problem-solving

Job description

Position summary

CompatibL, a leading provider of trading and risk management software solutions, is looking for a talented Python Developer with a good level of English (B2+) to join its growing team in Warsaw, Poland, or remotely. The successful candidate will join an existing project team working with one of the leading US banks and will contribute to the maintenance and development of new features for newly created software products.

What will you be doing?

You will be joining an international team of experienced developers dedicated to providing best‑class development and cloud management services to our clients, stakeholders, and partners. As part of the team, you will be participating in an ongoing project with a large US bank. You will help us develop new software features and support and maintain the existing ones. You will be writing scalable and fault‑tolerant code, debugging programs, and integrating applications with third‑party web services. You will provide hands‑on expertise to increase the availability, reliability, and efficiency of our products. You will work closely with the client and product manager to understand the system’s functional and non‑functional requirements, and contribute to code quality through unit testing, integration testing, code review, and system design using Python to build robust software that aligns with the client’s business needs.

What are we looking for?

• A strong programming background with Python and OOP programming skills
• Experience using server‑side logic (essential)
• Hands‑on experience in developing web APIs using the FastAPI framework
• Experience with processing large datasets with Python, including multiprocessing and performance optimisation techniques
• Experience with MongoDB, such as operating and managing MongoDB clusters
• Experience with SQL, both relational and non‑relational databases (SQL Server, MSSQL, Redis)
• Experience of the Agile project management methodology
• Good knowledge of Git, Jira, and Confluence
• Demonstrated problem‑solving skills to provide production support of software
• Strong communication skills and experience in dealing with both technical and non‑technical stakeholders

Nice to have

• Experience working at a financial institution
• Experience working with cloud platforms (AWS, Azure)
• Experience with full‑stack web development
• Experience with Linux bash shell automation

Benefits and perks

• Full‑time employment with flexible working hours
• Up to 26 paid days off (according to the Polish Labor Code)
• A 13th month salary
• Private medical care package
• Equipment: desktop computer/laptop, monitors, and office accessories
• Work remotely or from our office in Warsaw
• Internal training programs
• Reimbursement of training, conferences, and certifications based on certain criteria
• Partial sports and fitness reimbursement
• Team‑building events, company outings, and sport activities

If you’re interested in becoming a part of CompatibL, send your CV to [e-mail].