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# Senior Software Engineer

- **Company:** UNZER SHUL
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Architectural Patterns, Automation of Tests, Databases, Continuous Integration, PostgreSQL, MongoDB, Performance Tuning, Software Engineering, Information Technology
- **Published:** July 22, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=b7e51628417a261c

## About the Role

* A Bachelor's or Master's in Computer Science (or equivalent) and several years of hands-on software engineering experience.

 * Advanced proficiency in Java, including designing and optimizing large-scale systems.

 * Solid experience with databases such as PostgreSQL and MongoDB, including data modeling and performance tuning.

 * A deep understanding of Agile ways of working and lifecycle best practices, including CI/CD and test automation.

 * Strong communication and mentoring skills, with the confidence to drive technical discussions and decisions across teams, including integrating complex APIs in modern architectures.

## Description

You'll be part of the team responsible for the backbone of our e-commerce payment processing, building the services that move money safely and at scale. We care deeply about resilience, observability, and getting the hard details right, because in payments there's no room for "good enough.", * You'll design and implement complex features end to end, backing them with solid testing and clear documentation.

 * You'll take ownership of key components and systems in your product area and drive their delivery in close collaboration with your team.
 * As a senior voice, you'll mentor junior engineers, provide technical guidance, and help shape architectural decisions and technical direction across your domain.
 * You'll also keep raising the bar, proactively spotting ways to improve our codebase, tooling, and processes.


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