hackajob is partnering with hackajob on-demand to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.
Job Title: Senior/Mid-Level Backend Engineer (Reactive Java)
Location: US East Coast or UK (Remote/Hybrid)
Duration: ASAP start – at least April/May 2026 (potential to extend)
About the Role:
We are seeking a skilled Backend Engineer with strong experience in Reactive Java to join our team. The role is backend/data-focused, contributing to current and upcoming projects under an existing SOW.
Key Responsibilities:
Design, develop, and maintain backend services using Reactive Java.
Collaborate with the team on data-related engineering tasks.
Contribute to clean, scalable, and maintainable solutions.
Apply best practices around design patterns, particularly the Observer pattern (bonus).
Skills & Experience:
4+ years of professional backend engineering experience.
Strong expertise in Reactive Java.
Exposure to Rust, PostgreSQL, and Databricks is a plus.
Familiarity with backend/data-focused systems.
Knowledge of design patterns (Observer pattern a real advantage).
Contract Details:
Start: ASAP
Duration: Until at least April/May 2026 (with potential extension).
hackajob is partnering with hackajob on-demand to fill this position. Create a profile to be automatically considered for this role—and others that match your experience.
Level up the hackajob way. Verify your skills, learn brand new ones and test your ability with Pathways, our learning and development platform.