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# Junior / Associate Python Developer

- **Company:** Fiserv, Inc.
- **Location:** Berkeley Heights, NJ, United States
- **Experience:** Starter
- **Contract:** Contract
- **Skills:** Application Programming Interfaces (APIs), Amazon Web Services, Application Performance Management, Automation of Tests, Microsoft Azure, Code Review, Databases, Data Integrity, Database Models, Software Debugging, Digital Assets, Django Web Framework, Python (Programming Language), PostgreSQL, MySQL, NoSQL, Scrum Methodology, Blockchain, Secure Coding, Software Engineering, SQL Databases, SQLAlchemy, Tokenization, Flask (Web Framework), Reliability of Systems, Backend, Git, Fastapi, Pytest, Information Technology, Restful APIs, Data Pipelines, Docker, Microservices
- **Published:** November 4, 2026
- **Apply:** https://www.dice.com/job-detail/ec2e72bb-4f7c-4e1b-8a09-b52032ee2eeb

## About the Role

Experience: Bachelor's degree in Computer Science, Software Engineering, or equivalent practical experience with 3-5 years of professional backend development.

Core Language: Demonstrated proficiency in Python 3.x and experience with backend frameworks such as FastAPI, Django REST framework, or Flask.

Databases & ORMs: Familiarity with SQL databases (e.g., PostgreSQL, MySQL) and database modeling using SQLAlchemy or Django ORM.

Tools & Workflow: Comfortable with Git branching workflows, pull requests, automated testing (pytest/unittest), and Linux/Unix command-line environments.

Mindset: Strong problem-solving curiosity, proactive communication, and eagerness to learn institutional fintech, smart contracts, and digital asset rails.

## Description

Key Responsibilities: Develop, test, and maintain clean, production-grade Python code for high-throughput APIs, data pipelines, and blockchain integration services.

Collaboration & Growth: Work closely with senior engineers, technical leads, and product managers to deliver features while actively participating in agile ceremonies and code reviews.

Technical Requirements: 1-3 years of hands-on Python experience (e.g., FastAPI, Django, or Flask), with a solid understanding of RESTful APIs, relational/NoSQL databases, and Git version control.

Bonus Skills: Foundational exposure to cloud platforms (AWS/Azure), Docker, CI/CD pipelines, or an enthusiasm for fintech, tokenized deposits, and digital ledger technologies.

 2. Detailed Responsibilities

Write modular, testable, and efficient Python code adhering to PEP 8 standards and Fiserv secure coding practices.

Implement RESTful endpoints and microservices connecting core financial networks to digital ledger platforms.

Assist in developing unit, integration, and end-to-end tests to guarantee high system reliability and data integrity.

Participate in daily stand-ups, sprint planning, backlog refinement, and engineering peer reviews.

Troubleshoot, debug, and optimize application performance across development, staging, and production environments.