Senior II - Back-End Engineer

Stack

Responsibilities

• ▹Own, shape, and drive technical direction across multiple engineering squads
• ▹Lead complex, ambiguous initiatives from idea to delivery, aligning engineers, teams, product managers, and stakeholders around shared outcomes
• ▹Design, build, and evolve scalable backend systems using Python/Django, data pipelines, and third-party integrations that support long-term business growth
• ▹Partner with PMs, EMs, and senior stakeholders to shape roadmaps, make technical trade-offs, and guide investment decisions
• ▹Raise the engineering bar through mentoring, architectural reviews, and engineering best practices
• ▹Drive reliability, observability, performance, and operational excellence across multiple services and teams
• ▹Foster a quality-first culture through automation, documentation, and continuous improvement
• ▹Participate in on-call rotation (1 week every 5 weeks)

Requirements

• ▹Exposure to architectural patterns of a large, high-scale web application (e.g., well-designed APIs, high-volume data pipelines, efficient algorithms)
• ▹Proven experience leading complex, greenfield projects end-to-end
• ▹A track record of shaping architectural decisions and setting engineering standards that impact multiple teams or domains
• ▹Comfort with shaping product scope, challenging requirements, and focusing on customer value
• ▹Strong communication (English level B2+) with the ability to influence senior peers and leadership through clear reasoning and strong technical judgment
• ▹Willingness to join the team's on-call rotation (1 week out of every 5)

Soft skills

What we offer

• ▹Open, collaborative, dynamic, and diverse culture
• ▹A generous monthly allowance for lessons on Preply.com
• ▹Learning & Development budget and time off for self-development
• ▹A competitive financial package with equity, leave allowance, and health insurance
• ▹Access to free mental health support platforms

About the company

Preply is a language-learning platform connecting 100,000+ tutors with learners across 180 countries in 90+ languages. Having recently reached unicorn status with a $150M Series D, the company builds human-led, AI-enhanced learning experiences.