12d 16h ago
Senior Backend Engineer
Hauler Hero·Java · Software
🏢Hybrid
|United States of Americagitgithubjavakotlin+3
Senior Backend Engineer
Hauler Hero | Java | Software
Hybrid
Contract
United States of America
Source not independently verified
Confirm the company and recruiter through an official company domain before applying. Never pay money, share one-time codes, sign out of your Apple or Google account, install apps or configuration profiles, or run code from a repository sent by a recruiter.
Position:
Senior Backend Engineer (Contractor)
Company:
Hauler Hero
Location:
Remote — Eastern Europe
Employment type:
Contractor
Short Summary:
We are hiring a Senior Backend Engineer to design, build, and evolve the core backend services that power Hauler Hero’s platform. This is a 100% hands-on senior individual contributor role focused on building scalable, reliable, and maintainable systems used daily by waste hauling companies across North America.
Responsibilities:
- Design, build, and maintain robust backend service layers
- Write clean, testable, high-performance code in Java and/or Kotlin using Spring Boot
- Design and implement APIs that scale with real production workloads
- Refactor and extend existing services to improve reliability and maintainability
- Create reusable components and patterns that improve team velocity
- Design and optimize relational schemas in PostgreSQL
- Write and tune performant SQL queries for large data volumes
- Collaborate with Frontend and Product teams on feature development
- Mentor engineers through code reviews and technical discussions
Requirement:
- 5+ years of experience building production backend systems
- Strong proficiency with Spring Boot using Java and/or Kotlin
- Deep experience with relational databases, especially PostgreSQL
- Experience building and maintaining production APIs
- Strong problem-decomposition and debugging skills
- Clear written and verbal English communication skills
Benefits:
- Opportunity to work in a fast-moving vertical SaaS company
- Engage in AI-assisted engineering practices
- Contribute to a culture of learning, iteration, and constructive feedback
Senior Backend Engineer (Contractor)
Company:
Hauler Hero
Location:
Remote — Eastern Europe
Employment type:
Contractor
Short Summary:
We are hiring a Senior Backend Engineer to design, build, and evolve the core backend services that power Hauler Hero’s platform. This is a 100% hands-on senior individual contributor role focused on building scalable, reliable, and maintainable systems used daily by waste hauling companies across North America.
Responsibilities:
- Design, build, and maintain robust backend service layers
- Write clean, testable, high-performance code in Java and/or Kotlin using Spring Boot
- Design and implement APIs that scale with real production workloads
- Refactor and extend existing services to improve reliability and maintainability
- Create reusable components and patterns that improve team velocity
- Design and optimize relational schemas in PostgreSQL
- Write and tune performant SQL queries for large data volumes
- Collaborate with Frontend and Product teams on feature development
- Mentor engineers through code reviews and technical discussions
Requirement:
- 5+ years of experience building production backend systems
- Strong proficiency with Spring Boot using Java and/or Kotlin
- Deep experience with relational databases, especially PostgreSQL
- Experience building and maintaining production APIs
- Strong problem-decomposition and debugging skills
- Clear written and verbal English communication skills
Benefits:
- Opportunity to work in a fast-moving vertical SaaS company
- Engage in AI-assisted engineering practices
- Contribute to a culture of learning, iteration, and constructive feedback
Required Skills
gitgithubjavakotlinmicroservicespostgresqlspring
Required Languages
🇬🇧 English
Key competency: Java