Lead Backend Engineer

This is a fully remote position, open to applicants in Poland.

📋 Description

• Lead and guide a team of mid/senior backend engineers (4–5), encompassing 1:1 meetings, feedback, and performance management.

• Convert product and business objectives into well-defined technical roadmaps, sprint plans, and backend priorities.

• Take ownership of the backend architecture and technical vision for mobile-first, consumer-oriented applications utilized by tens of thousands of daily active users.

• Spearhead and supervise the implementation of new features for our mobile applications, collaborating closely with iOS/Android, Product, Data, DevOps, and Trust & Safety teams.

• Make critical architectural decisions regarding scalability, performance, reliability, data flows, and infrastructure on AWS.

• Identify and address performance bottlenecks, enhance API speed and reliability, and design effective caching and database strategies.

• Establish and consistently enhance engineering processes, coding standards, code review practices, and deployment/CI pipelines.

• Develop and maintain clear technical documentation and design specifications for backend systems and major initiatives.

• Manage prioritization and trade-offs in a dynamic environment with shifting quarterly priorities.

• Engage in hands-on coding and code reviews, particularly for complex or high-impact areas, and intervene during critical production incidents.

⛳️ Requirements

• 8+ years of professional backend development experience in production settings, with recent experience in leading backend teams.

• Demonstrated experience in owning backend architecture for a mobile-first, consumer-facing application.

• Strong practical expertise with any OOP language - Ruby, Java, PHP, Python, C# (must be willing to work with Ruby on Rails).

• Experience in building and scaling high-traffic systems (over 10k+ daily active users) with an emphasis on performance and reliability.

• Solid understanding of distributed systems, relational databases, caching, and performance optimization techniques.

• Hands-on experience working in the cloud (preferably AWS) and collaborating closely with DevOps/infrastructure engineers.

• Excellent communication skills with the ability to articulate complex technical topics and trade-offs to non-technical stakeholders (e.g., CEO, Product).

• Background in startup or fast-paced product companies, comfortable with evolving priorities and making pragmatic trade-offs.

• Strong product mindset, user-focused, impact-driven, and capable of linking technical decisions to business outcomes.

• Comfortable taking ownership, making decisions, and leading in a fully remote, distributed team environment.

🏝️ Benefits

• Fully Remote Role with flexible working hours (core collaboration typically in European daytime).

• 30k USD bonuses (seasonal + EOY, dependent on individual and company performance).

• Work on high-impact, high-scale mobile products (millions of downloads) in a profitable, growing startup.

• Strong engineering culture: open-minded, low-ego, direct communication, and high ownership.

• Access to company-provided AI tools (e.g., ChatGPT, Claude, Cursor company accounts) to enhance your productivity.

• 27 days of paid vacation (15 days of personal leave + 12 days of public holidays following your local country calendar).

• Company-paid team trips, 1–2 times a year to attractive destinations (e.g., Thailand, Bali), including flights and accommodation.

• Opportunity to shape technical direction, processes, and standards for the entire backend function.