Software Engineer III - Python

JP Morgan; Ireland; On-site; EUR 90,000 - 140,000; Full time

Job summary

JPMorganChase is hiring a Software Engineer III for the Employees Platform. You will be part of an agile team delivering trusted, scalable tech products with a focus on secure production code, architecture, and data-driven improvement.

The role emphasizes modern Python/Node.js backends, React front-ends, and strong CI/CD practices in an enterprise setting. Responsibilities include building production services on AWS using Docker/Kubernetes, implementing RESTful APIs, and ensuring security and

Qualifications

• Formal training or certification in software engineering concepts.
• Hands-on experience in system design, application development, testing, and operational stability.
• Experience coding in a large corporate environment with modern programming languages and DB querying languages.
• Experience using enterprise AI-assisted development tools with evaluation for correctness, performance, and security.
• Understanding of responsible AI use, data sensitivity, secure handling, and resiliency.
• Knowledge of SDLC and Agile methodologies including CI/CD, resiliency, and security.
• Proficiency building production services in Python (Flask/FastAPI) and/or Node.js (Express/NestJS), plus modern web UIs in React with TypeScript.
• Experience with REST API design, databases, and automated testing (pytest/Jest).
• Familiarity with AWS and containerized deployments (Docker/Kubernetes) and CI/CD pipelines.

Responsibilities

• Executes software solutions with design, development, and troubleshooting.
• Creates secure, high-quality production code and maintains algorithms.
• Leverages enterprise AI coding assist tools to improve quality and speed; validates outputs via peer review and tests.
• Applies SDLC tools to improve automation value and efficiency.
• Produces architecture and design artifacts for complex applications.
• Gathers and analyzes data to visualize and improve software systems.
• Identifies hidden data patterns to drive coding hygiene and architecture improvements.

Skills

Python

Node.js

React

TypeScript

REST API design

CI/CD

Agile methodologies

Security

Testing (pytest/Jest)

AWS

Docker

Kubernetes

Education

Formal training or certification in software engineering

Tools

Flask

FastAPI

Express

NestJS

Jenkins

GitHub Actions

Spinnaker

PostgreSQL

Job description

Job Description As a Software Engineer III at JPMorganChase within the Employees Platform, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm's business objectives.

Job Responsibilities

• Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or breakdown technical problems.
• Creates secure and high-quality production code and maintains algorithms that run synchronously with appropriate systems.
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
• Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.
• Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development.
• Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems.
• Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture.

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and advanced applied experience.
• Hands-on practical experience in system design, application development, testing, and operational stability.
• Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages.
• Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.
• Overall knowledge of the Software Development Life Cycle.
• Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security.
• Proficiency building production services in Python (Flask/FastAPI or similar) and/or Node.js (Express/NestJS), and building modern web UIs in React with TypeScript.
• Practical experience with REST API design, relational and/or document databases, and automated testing (pytest / Jest / React Testing Library).
• Comfort operating services on AWS using containers (Docker/Kubernetes) and CI/CD pipelines (Jenkins / GitHub Actions / Spinnaker).

Preferred qualifications, capabilities, and skills

• TypeScript on both server and client.
• Event-driven or messaging patterns (Kafka, SQS).
• Observability tooling (Grafana, Splunk, Dynatrace, OpenTelemetry).
• Prior experience in financial services or a regulated environment.

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

Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we're setting our businesses, clients, customers and employees up for success.