Software Engineer Ii - Smalltalk Developer

JP Morgan Chase; Buenos Aires; On-site; ARS 1,200,000 - 2,000,000; Full time

Job summary

J.P. Morgan in Buenos Aires is seeking a Software Engineer II to join the Rates Regulatory Reporting team, working on the Kapital RMS platform. You will contribute to design, development, and troubleshooting of a large, Smalltalk-based regulatory reporting system within an agile environment.

The role emphasizes secure coding, OOP, and collaboration with global teams, with opportunities to grow and learn in a fast-paced financial services setting.

Qualifications

• Hands-on experience in system design, development, testing, and operational stability.
• Strong OO programming skills (Smalltalk preferred; Python valued).
• Experience in large corporate environments with multiple languages and SQL.
• Understanding of responsible AI use and secure handling of data.
• Proven delivery in Agile teams and meeting deadlines.

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 to improve code quality, delivery speed, and productivity, 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 reporting dependencies.
• Learns and applies system processes, methodologies, and skills for secure, stable code and systems, focusing on maintainability and resilience.
• Communicates effectively with stakeholders across regions, translating requirements into technical outcomes and providing status updates and risks.

Skills

Smalltalk

Python

OOP design

Agile

Secure coding

Stakeholder communication

Tools

Kapital RMS

SQL

AI coding tools

Job description

Software Engineer II - Smalltalk Developer

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

About Us

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.

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

About Us

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.

About the Team

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.

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