Java engineer - Automation and Efficiency team

About The Role:

Join Paysend’s Automation and Efficiency team to help build and improve backend systems that support global payment operations at scale.

This role focuses on designing and developing high-performance backend services and internal tooling used to process and analyze millions of financial transactions daily. You’ll work across distributed systems and data-heavy workflows where reliability, performance, and correctness are critical.

This is a strong fit for engineers who enjoy solving complex backend and data problems, working across multiple services, and building systems that operate under real-world scale and operational demands.

What You'll Do (Responsibilities):

• Design, implement, and maintain backend services and internal tools in Java, powering the processing and analysis of millions of financial transactions daily

• Own and evolve PostgreSQL-based data models, queries, and performance optimization across multiple services.

• Build and improve systems that automate operational and transaction-monitoring workflows at scale

• Work within a distributed microservices ecosystem, handling service communication, dependencies, and evolving integrations

• Contribute to the design and implementation of a new fraud monitoring platform built on the company’s modern technology stack

• Investigate complex production and operational issues, identify bottlenecks, and implement long-term improvements

• Collaborate closely with QA and Analytics teams to ensure systems are reliable, scalable, and operationally effective

• Monitor and improve system performance, observability, reliability, and scalability across services

• Contribute to CI/CD and deployment automation improvements across engineering workflows

What You’ll Need To Be Successful In This Role:

• 5+ years of backend development experience with Java and Spring

• Strong hands-on experience with PostgreSQL in production systems

• Experience working with distributed systems and microservices architectures

• Experience with major cloud platforms, preferably AWS or GCP

• Strong engineering mindset with the ability to solve unfamiliar and complex technical problems independently

• Comfortable working across multiple services and technical domains

• Strong ownership mentality from implementation through deployment and operational support

• Ability to adapt quickly to changing technical and business priorities

Great to have:

• Experience with CI/CD pipelines and deployment automation (GitLab preferred)

• Experience with Docker or other containerization technologies

• Hands-on experience with C# or Rust

• Experience in fintech, payments, fraud detection, or other transaction-heavy systems

• Bachelor’s or Master’s degree in Computer Science or a related field
  

Why Join Paysend?

• Make a Global Impact: Directly impact millions of users worldwide

• Accelerate Your Career: Benefit from internal mobility, mentoring programs, and continuous learning opportunities

• Thrive in a Connected, Global Organization: Collaborate with colleagues across our international hubs and more

• Embrace a Principle-Driven & Focused Culture: Work in an organization guided by strong principles and values that actually help you achieve more than you thought possible

• Enjoy Competitive Compensation and Benefits: Receive a competitive salary, benefits, and flexible work arrangements