Python Developer (CIB Treasury) - Associate

Next Frontier Capital; Warszawa; On-site; PLN 240,000 - 420,000; Full time

Job summary

J.P. Morgan Chase Commercial & Investment Bank (CIB) Treasury is seeking an Associate to act as a hands-on Python developer.

You will automate Treasury analytics, build data pipelines, and develop robust controls for regulatory deliverables while partnering with SMEs and tech teams to ensure scalable, well-documented outputs. You will design tests, document specifications, and maintain governance-ready artifacts, contributing to faster, more reliable reporting and analytics across the

Qualifications

• Degree in Information Technology, Data Science, Econometrics, Statistics, Finance, Economics, or a related field.
• Relevant work experience in developing applications, dashboards, automation or financial analysis.
• Knowledge of Python (pandas, numpy, matplotlib, sklearn, statsmodels); experience with Git, unit tests and debugging.
• Experience in large dataset quality checks and analysis using Excel and Python.
• Strong analytical and problem-solving skills and attention to detail.
• General knowledge of software development cycle and banking products is a plus.

Responsibilities

• Develop and maintain scalable Python code to automate Treasury analytics and workflows across the CIB Treasury organization.
• Build and enhance forecasting/analytics platforms for reliability, performance, and reusability.
• Collaborate with subject matter experts to reflect business rules and constraints in solutions.
• Design and run validation and control testing to ensure accuracy and auditability.
• Prepare and maintain documentation to support auditability and governance in Treasury.
• Create and maintain test cases, updating them with project feedback.
• Debug, troubleshoot, and optimize Python applications and pipelines.

Skills

Python

Git

Unit tests

Data analysis

Excel

Communication

Education

Degree in IT / Data Science / Econometrics / Statistics / Finance / Economics

Tools

AWS

Databricks

Snowflake

Tableau

SQL

Job description

Join a collaborative team where you will help drive innovation in regulatory planning and develop your expertise in capital and liquidity management. This role offers opportunities to work with colleagues across regions, enhance your technical skills, and contribute to projects that strengthen the firm’s resiliency.

As an Associate within JPMorganChase Commercial & Investment Bank (CIB) Treasury, you will act as a hands‑on Python developer supporting the automation and enhancement of Treasury processes and analytics across the organization. You will partner closely with subject matter experts and technology teams to translate methodologies into robust, scalable analytics solutions—building Python-based data pipelines, calculations, and controls that improve speed, accuracy, and repeatability for regulatory deliverables. You will also help produce high-quality materials for internal and external audiences by automating reporting and ensuring outputs are well‑documented, traceable, and auditable.

Responsibilities:

• Develop and maintain scalable Python code to automate Treasury analytics and workflows across the CIB Treasury organization.
• Build and enhance forecasting/analytics platforms used by the CIB Treasury organization, focusing on reliability, performance, and reusability.
• Partner with CIB Treasury subject matter experts to understand complex products, processes, and regulatory drivers, and ensure solutions reflect real business rules and operational constraints.
• Design and execute validation and control testing (unit tests, regression tests, reconciliation checks, and data-quality controls) to confirm outputs are accurate, explainable, and fit for regulatory and management reporting use.
• Prepare and maintain documentation (specifications, test plans, test evidence, logs, and change documentation) to support auditability and governance expectations in a Treasury environment.
• Create and maintain business‑aligned test cases, updating them based on project feedback and changes in methodology, data sourcing, or platform requirements.
• Debug, troubleshoot, and optimize Python applications and pipelines, resolving defects efficiently and improving runtime, stability, and observability (logging/metrics) where appropriate.

Required qualifications, capabilities, and skills

• Degree in Information Technology, Data Science, Econometrics, Statistics, Finance, Economics, or a related field
• Relevant work experience in developing applications, products, dashboards or frameworks / process automation / financial analysis / process improvement, or a related field.
• Knowledge of Python (experience using pandas, numpy, matplotlib, sklearn, statsmodels etc.); experience in Git, unit test and debugging
• Experience in performing large dataset quality checks and analysis using Excel and Python
• Strong analytical and problem‑solving skills and attention to details
• General knowledge of software development cycle a plus
• General knowledge of banking products and services a plus
• Ability to work in a fast paced, results driven environment
• Ability to communicate technical concepts clearly, both verbally and in writing
• Good organizational, written and communication skills

Preferred qualifications, capabilities, and skills

• Experience in derivatives pricing, securities, secured funding, market/counterparty risk, or valuations.
• Leverage cloud and data platforms (AWS, Databricks, and Snowflake) to build and operate Python-based automation solutions, including data ingestion/processing, scalable analytics, and efficient querying
• Technical skills, including JavaScript, SQL, Tableau or Alteryx.

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first‑class business in a first‑class way approach to serving clients drives everything we do. We strive to build trusted, long‑term partnerships to help our clients achieve their business objectives.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world. Drive innovation in regulatory planning and analytics for balance sheet and liquidity management in a collaborative team.