Senior Backend Software Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Backend Software Engineer in United States.

This role offers the opportunity to shape and scale high-performance backend systems while solving complex technical challenges in a fast-growing marketplace environment. You will work closely with product managers, designers, and cross-functional engineering teams to design, build, and maintain APIs, databases, and server-side features that power large-scale applications. The position emphasizes clean architecture, system reliability, and performance optimization, while providing mentorship to junior engineers and actively contributing to team growth. You will be part of a collaborative, community-driven environment where innovation, learning, and problem-solving are highly valued. Exposure to advanced technologies, including large language models, is part of the role, ensuring that your work has a direct impact on product quality and customer experience.

• Design, build, and maintain scalable backend services and APIs to support complex marketplace functionality.
• Collaborate with product, design, and other engineering teams to define technical requirements and implement solutions.
• Work with PostgreSQL clusters and other backend infrastructure to optimize performance and reliability.
• Enhance testing frameworks and participate in code reviews to maintain high-quality code standards.
• Address challenges in architecture, security, performance, optimization, payments, and personalization.
• Mentor and support other engineers, fostering knowledge sharing and technical growth.
• Participate in on-call rotation and use emerging technologies, including LLMs, to improve workflows and product functionality.

Requirements:

• 4+ years of professional backend engineering experience, including building or maintaining production web applications.
• Strong knowledge of API and database design, architecture, and simplifying complex services.
• Experience with operational aspects such as deployments, migrations, configuration, and provisioning.
• Proficiency in Ruby on Rails, PostgreSQL, AWS, and similar backend technologies.
• Solid understanding of scalable, secure, and high-performance system design.
• Excellent collaboration and communication skills, with the ability to work effectively in cross-functional teams.
• A passion for continuous learning and keeping up with server-side development trends.

Benefits:

• Competitive base salary ranging from $124,800 – $183,400 USD, depending on location and experience.
• 401(k) retirement plan and employer contributions.
• Comprehensive healthcare benefits, including dental, vision, and medical coverage.
• Paid time off and flexible leave policies.
• Collaborative, community-driven work environment that encourages mentorship and professional growth.
• Exposure to cutting-edge technologies and opportunities to innovate at scale.
• Participation in a rapidly growing marketplace with a global user base.