Software Engineer II - Smalltalk Developer

J.P. Morgan Chase & Co.; Buenos Aires; On-site; ARS 139,364,000 - 201,304,000; Full time

Job summary

JPMorganChase is seeking a Software Engineer II to contribute to the Kapital RMS platform within Rates Regulatory Reporting. You will work in an agile team to design, develop, and troubleshoot components of a large, enterprise system, applying secure coding practices and modern architecture.

The role values hands-on coding in Smalltalk (with Python) and strong OO design. Collaboration with global teams and adherence to regulatory timelines are essential.

Qualifications

• Hands-on experience in system design, application development, testing, and operational stability.
• Strong development in an object-oriented language (Smalltalk; Python valued).
• Experience in Agile teams and delivering end-to-end projects.

Responsibilities

• Executes standard software design, development, and troubleshooting across Kapital RMS onboarding, BAU, and enhancements.
• Writes secure, high-quality code in Smalltalk and Python with limited guidance, applying solid OOP principles.
• Leverages AI coding assist tools to improve quality and speed, validated by peer review and automated tests.
• Designs and troubleshoots with awareness of Kapital integrations and regulatory reporting dependencies.
• Communicates with stakeholders across regions, translating requirements into technical outcomes and risks.

Skills

Smalltalk

Python

OO design

Agile

Stakeholder comms

Job description

You're ready to gain the skills and experience needed to grow within your role and advance your career, and we have the perfect software engineering opportunity for you.

As a Software Engineer II at JPMorganChase within Commercial & Investment Bank Technology - Rates Regulatory Reporting (Rates REG AD) - Kapital, you are part of an agile team that works to enhance, design, and deliver the software components of the firm's mission-critical Kapital RMS platform in a secure, stable, and scalable way. As an emerging member of a software engineering team, you execute software solutions through the design, development, and technical troubleshooting of multiple components within a long-standing, Smalltalk-based regulatory reporting system. Along the way, you gain the skills and experience needed to grow within your role.

Job responsibilities

• Executes standard software solution, design, development, and technical troubleshooting across Kapital RMS onboarding, BAU support, and strategic enhancements
  Writes secure and high-quality code in an object-oriented language (Smalltalk, with Python also valued) with limited guidance, applying sound OOP design and clean architecture principles.
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards.
• Designs, develops, codes, and troubleshoots with consideration of upstream and downstream systems and technical implications, including Kapital's integrations and regulatory reporting dependencies.
• Learns and applies system processes, methodologies, and skills for the development of secure, stable code and systems, with a focus on maintainability, testability, and resilience.
• Communicates effectively with stakeholders across multiple regions, translating requirements into clear technical outcomes and providing transparent status updates and risks to support regulatory timelines

Required qualifications, capabilities, and skills

• Hands-on practical experience in system design, application development, testing, and operational stability.
• Strong development experience in an object-oriented programming language (preferably Smalltalk; Python also valued), with demonstrated strength in OOP design, clean architecture, and engineering best practices.
• Experience in developing, debugging, and maintaining code in a large corporate environment with one or more programming languages and database querying languages.
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations.
• Proven delivery in Agile teams, working to deadlines and managing work end-to-end across multiple projects or initiatives

Preferred qualifications, capabilities, and skills

• Professional experience in an object-oriented programming language (preferably Smalltalk; Python also valued), particularly on large-scale or long-standing enterprise systems.
• Experience maintaining and modernizing legacy platforms while preserving stability and resilience.
• Strong stakeholder management skills, with experience working with global teams across time zones, clear and effective communication