Hauler Hero Inc. - Senior Backend Engineer (Contractor)
Upload My Resume
Drop here or click to browse · Tap to choose · PDF, DOCX, DOC, RTF, TXT
Requirements
• Timezone: Must overlap with US working hours • 5+ years building production backend systems • Experience designing and operating systems with distributed data and meaningful scale • Experience working in Agile/Scrum environments • Core Technologies • Strong proficiency with Spring Boot (Java and/or Kotlin) • Deep experience with relational databases, especially PostgreSQL • Experience building and maintaining production APIs • Experience refactoring toward or within microservice architectures • Ability to translate product requirements into technical solutions • Strong problem-decomposition and debugging skills • Solid computer science fundamentals and engineering judgment • Clear written and verbal communication skills • Messaging and communication platforms (SendGrid, Twilio) • Event-driven architectures • Geospatial or location-based systems • Payments or financial integrations • Background in logistics, fintech, or B2B SaaS • Backend: Java, Kotlin, Spring Boot, PostgreSQL • Cloud: Google Cloud Platform (GKE, Cloud Run, Cloud SQL) • Caching: Redis, Firestore • Frontend: React • CI/CD: Cloud Build, GitHub Actions • Monitoring: New Relic, Google Operations • What We Look For • Ownership & Judgment • You take problems through to resolution • You balance pragmatism with quality • You identify and eliminate single points of failure • Clear, proactive written communication in English • Comfort working async across time zones • Willingness to surface risks and tradeoffs early • Curious, growth-oriented, and adaptable • Comfortable with ambiguity and iteration • Willing to refactor continuously as systems evolve • What Success Looks Like • Backend services are reliable, scalable, and maintainable • Features ship consistently with minimal rework • Production issues are diagnosable and resolved quickly • Database and API performance scales with usage • Strong trust from frontend, product, and platform teams • Contractor & Location Notes • This is a contractor role, not full-time employment • Candidates must be based in LATAM • Senior-level ownership and reliability are expected • Consistent overlap with US working hours is required
Responsibilities
• Core Backend Development • 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 • Data & Performance • Design and optimize relational schemas in PostgreSQL • Write and tune performant SQL queries for large data volumes • Validate that database access patterns scale under load • Identify and resolve performance bottlenecks across services • Collaboration & Delivery • Work as part of a cross-functional Agile/Scrum team • Participate in design reviews, code reviews, and architectural discussions • Collaborate with frontend and product teams on feature development • Debug and resolve production issues as they arise • Contribute to improving engineering processes and practices • Mentorship & Culture • Mentor engineers through code reviews and technical discussions • Contribute to a culture of learning, iteration, and constructive feedback
Benefits
• Remote work options are clearly mentioned as part of the role summary stating "Location: Remote (LATAM only)" which implies remote work is a benefit for this position within LATAM countries but not necessarily globally or in other regions like North America where it's stated that they need to overlap with US working hours. • No explicit mention of insurance, perks, and equity options are made beyond the common industry practice which cannot be confirmed from the given excerpt alone without additional company policy details.
No credit card. Takes 10 seconds.