Senior Software Engineer - Fintech Payments (Remote)

United States Digital Space LLC

United States

Remote

USD 120,000 - 180,000

Full time

14 days+

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Benefits offered by this job

Work from home up to 60%
Mobility support (Deutschlandticket)
Pension scheme
Learning budget 1000 EUR/year
Company party & team events

Job summary

United States Digital Space LLC is seeking a seasoned software engineer to design and implement complex features in a payments-focused environment. You will own components, collaborate with the team, and contribute to architectural decisions to scale our platform.

We value hands-on engineers with strong Java skills, experience with PostgreSQL/MongoDB, and a solid understanding of CI/CD and test automation. You’ll mentor others and help raise our technical standards while delivering robust

Qualifications

  • Bachelor's or Master's in Computer Science (or equivalent) with several years of hands-on software engineering experience.
  • Advanced proficiency in Java for designing and optimizing large-scale systems.
  • Experience with PostgreSQL and MongoDB, including data modeling and performance tuning.

Responsibilities

  • Design and implement complex features end to end with solid testing and documentation.
  • Own key components and drive delivery in collaboration with your team.
  • Mentor junior engineers and contribute to architectural decisions across your domain.
  • Continuously improve codebase, tooling, and development processes.

Skills

Java
Large‑scale systems
PostgreSQL
MongoDB
CI/CD
Test automation
Agile
Mentoring

Education

Bachelor's or Master's in Computer Science

Tools

CI/CD tools

Job description

United States Digital Space LLC is seeking a seasoned software engineer to design and implement complex features in a payments-focused environment. You will own components, collaborate with the team, and contribute to architectural decisions to scale our platform.

We value hands-on engineers with strong Java skills, experience with PostgreSQL/MongoDB, and a solid understanding of CI/CD and test automation. You’ll mentor others and help raise our technical standards while delivering robust

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