Senior Back End Engineer

Job Title: Senior/Staff Backend Engineer

Location: Fully Remote

Company Overview

Founded in 2019, Elife Transfer is a fast-growing startup headquartered in San Francisco, California, at the heart of Silicon Valley. We are an all-in-one global ground transportation marketplace, enabling travelers to book airport transfers, ride-hailing, shared rides, private cars and rail tickets. Trusted by over 40 million travelers across 182+ countries, we are rapidly scaling to become the worlds go-to platform for seamless, end-to-end ground mobility.

Key Responsibilities:

• Design, develop, and maintain backend applications for customers worldwide.
• Collaborate with cross-functional teams, including frontend, backend, testing, and application design, to deliver integrated solutions.
• Build and optimize Python/MySQL backends hosted on Amazon Web Services (AWS).
• Enhance, maintain, and troubleshoot existing software applications to ensure performance and reliability.
• Write clean, highly scalable, and testable code following best practices.
• Identify, analyze, and resolve programming bugs and performance bottlenecks.
• Contribute to technical documentation and knowledge sharing across the team.

Requirements:

• Bachelors degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• Expertise in distributed systems, real-time data processing, and low-latency architectures.
• Strong Python proficiency or deep expertise in Go/Java/Scala/C++ with the ability to work effectively in Python
• Hands-on experience with geospatial technologies (e.g., PostGIS, S2/H3 cells, Google Maps APIs) and real-time location data processing.
• Proven track record of building and operating high-throughput, fault-tolerant microservices in a cloud environment (AWS, GCP, or Azure).
• Strong foundation in system design, data structures, and performance optimization.

Strongly Preferred Qualifications:

• Direct hands-on experience in the ride-hailing, mobility, logistics, or on-demand services industry.
• Experience in adjacent domains with similar technical patterns, such as logistics, delivery, fleet management, fintech, or other location-based services.
• Familiarity with event-driven architectures using Kafka, WebSockets, or similar real-time streaming systems.
• We value engineers who understand Python beyond frameworks and can design scalable, reliable backend systems under high concurrency.