Software Engineer II - Smalltalk Developer

Aumni; Buenos Aires; On-site; ARS 1,800,000 - 3,000,000; Full time

Job summary

JPMorganChase is hiring a Software Engineer II within Commercial & Investment Bank Technology – Rates Regulatory Reporting (Rates REG AD) – Kapital. You will contribute to an agile team delivering Kapital RMS components, focusing on secure, scalable software and high‑quality code while collaborating across regions.

You will gain experience in legacy systems modernization, enterprise‑grade tooling, and regulatory reporting, building skills to advance within the organization.

Qualifications

• Hands‑on experience in system design, application development, testing, and operational stability.
• Strong development experience in an object‑oriented language (Smalltalk preferred; Python valued).
• Experience in large corporate environment with multiple languages and database querying.

Responsibilities

• Executes standard software solution design, development, and troubleshooting across Kapital RMS onboarding, BAU support, and enhancements.
• Writes secure, high‑quality code in Smalltalk (with Python) applying OOP, clean architecture, and engineering best practices.
• Designs and troubleshoots with consideration of Kapital integrations and regulatory reporting dependencies.
• Learns and applies development processes for secure, maintainable, resilient code and systems.
• Communicates effectively with stakeholders across regions, translating requirements into clear technical outcomes and providing status and risks.

Skills

OOP design

Smalltalk

Python

Agile delivery

Code quality

Tools

SQL

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

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. Serve as an emerging member of an agile team to design, enhance, and support the mission‑critical Kapital RMS platform—delivering resilient, well‑architected regulatory reporting capabilities with strong engineering discipline and clear, high‑touch stakeholder communication across regions.