Python Full Stack Developer (Treasury Transformation) - Senior Associate/ Vice President

JPMorgan Chase & Co.; Warszawa; On-site; PLN 180,000 - 280,000; Full time

Job summary

JPMorgan Chase & Co. in Warsaw seeks a Senior Python Full Stack Developer for Treasury Transformation. You will lead design and delivery of automation and analytics across the Treasury & Execution Middle Office, driving technical impact in a high-visibility role.

You will partner with stakeholders, design end-to-end apps, and deliver scalable solutions with strong UI, data, and backend components, enriching client service and operational insights.

Qualifications

• 7+ years of Python development experience with production-quality solutions.
• Strong front-end/UI development with JavaScript and modern frameworks.
• Proven full stack development across frontend, backend, and data layers.
• Strong SQL skills for data querying, transformation, validation.
• Ability to translate business requirements into clear designs.
• Experience operating in fast-paced, multi-stakeholder environment.
• Willingness to learn self-service analytics and automation tools.

Responsibilities

• Partner with stakeholders to translate requirements into technical solutions.
• Design, build, and maintain end-to-end applications and automation.
• Develop user-focused front-end interfaces for finance insights.
• Engineer back-end services and data pipelines for analytics.
• Collaborate with Corporate Technology on secure, scalable solutions.
• Communicate delivery status, risks, and timelines.
• Contribute to documentation and training to boost adoption.
• Provide support and iterative enhancements for existing solutions.

Skills

Python

JavaScript

SQL

Full stack development

UI design

SDLC

Education

Bachelor's degree in Finance or Information Systems

Tools

HTML

CSS

Database management

Cloud management

Job description

You will take a senior role within our Transformation Team, driving the design and delivery of sophisticated automation and analytics solutions across the Treasury & Execution Middle Office.

As Python Full Stack Developer (Treasury Transformation) Senior associate/ Vice President within the Treasury and Execution Middle Office team you will bring deep technical expertise across Python, JavaScript, SQL, and UI design, with a proven track record of architecting and delivering complex, scalable solutions in a fast-paced environment. This is a high-visibility role for someone who thrives at the intersection of technology and finance, and who is ready to make a lasting technical impact

Job Responsibilities

• Partner with business stakeholders to understand requirements and translate them into well-defined technical solutions aligned to internal standards.
• Design, build, and maintain end-to-end applications and automation solutions using Python, JavaScript, and SQL, supporting the full System Development Life Cycle (SDLC).
• Develop high-quality, user-focused front-end experiences and interfaces, ensuring usability, clarity, and effective presentation of financial and operational insights.
• Engineer back-end services, data pipelines, and integrations that reduce manual work, improve data quality, and enhance analytics and reporting outcomes.
• Collaborate with Corporate Technology and approved self-service technologies to implement secure, scalable solutions with appropriate controls.
• Communicate delivery status, risks, issues, and dependencies clearly, including ownership and timelines for open items.
• Contribute to development, documentation, and training activities that strengthen adoption and improve client service delivery.
• Provide ongoing support and iterative enhancements for existing solutions, including triage, root-cause analysis, and resolution of production issues as needed.

Required Qualifications, Capabilities, and Skills

• 7+ years of experience with strong Python development skills, with demonstrated experience delivering production-quality solutions.
• Strong front-end / UI development experience using JavaScript, including a demonstrable history of designing and building effective user interfaces.
• Proven full stack development experience, spanning front-end, back-end, and data layers.
• Strong SQL skills, including the ability to query, transform, and validate data to support application and analytics requirements.
• Ability to capture business requirements and translate them into clear technical designs and deliverables.
• Ability to operate effectively in a fast-paced, results-driven environment with multiple stakeholders and concurrent priorities.
• Willingness to learn self-service analytics and process automation tools, and to apply foundational project management and business analysis practices.

Preferred Qualifications, Capabilities, and Skills

• Bachelor’s degree with a focus on Finance and/or Information Systems.
• Experience with HTML and CSS for building and styling user interfaces.
• Experience with database and/or cloud management (beneficial).