---
title: 'Back-End Engineer at Preply'
canonical: 'https://feeny.ai/job/back-end-engineer-preply-kyiv-7n1wbb2cfjy9'
type: 'job'
last_seen: '2026-11-11'
---

# Back-End Engineer at Preply

- **Company:** [Preply](https://feeny.ai/companies/preply)
- **Location:** Kyiv, Ukraine
- **Employment:** full-time
- **Work type:** hybrid
- **Posted:** 2026-11-06
- **Last confirmed live:** 2026-11-11
- **Apply:** https://jobs.ashbyhq.com/preply/05c21c1b-edd7-4605-a20f-1e5878b4c5d9

## Job description

We power people’s progress. At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. We’ve just reached unicorn status with a $150M Series D, accelerating our vision to transform education through human-led, AI-enhanced learning. Today, 100,000+ tutors teach 90+ languages to learners in 180 countries - and we’re only getting started. As a category-defining company, we’re shaping what the future of learning looks like at global scale. Every Preply lesson sparks change, fuels ambition, and drives progress that matters. Joining Preply means helping define the future of education at global scale, and building something that truly matters for millions of people, every day. Meet the team! Join Preply’s Teams and help us power people’s progress through life-changing learning experiences. We’re on a mission to combine the magic of the best tutors with cutting-edge AI to create personalized journeys that keep learners motivated and inspired. Together, we’ll transform how students expand their vocabulary, master conversational fluency, and deepen comprehension - unlocking their full potential and sparking a lifelong love for learning. Are you ready to make an impact? Let’s redefine education! The Preply Engineering Team provides the tools to help unlock human potential through learning. We implement A/B tests to prove the value of our initiatives and improve our product based on data and students and tutors feedback. As part of our commitment to ensuring high-quality products, we prioritize monitoring and metrics analysis to identify areas for optimization and ensure our services are performing at their best. We are tech-agnostic, meaning we are open to considering candidates with diverse technology backgrounds, such as Java/Spring, Node.js/Express.js, Ruby/Ruby on Rails, Scala/Play, PHP, or Golang. While Python is our primary programming language, prior experience with it is not mandatory. What truly matters is your enthusiasm for learning Python and your ability to adapt quickly to using it for product development. At Preply, we release our product 50-60 times per day by leveraging top-notch CI/CD processes. As a fast-growing company we have diverse technical challenges (sometimes we even write about them on our Engineering Blog) that will allow you to develop your skills at scale.

## What you’ll be doing

You will work in a cross-functional team alongside the Product Manager, Product Designer, UX Writers, Data Analytics, Technical Leads, Engineers and other cross-functional team members to deliver engaging features through A/B tests and build top-notch products, including, but not limited to:

- Develop and own backend features using Python/Django, supporting the creation of new backend services as well as design, create, and/or troubleshoot integrations with third-party vendors.
- Think beyond the code and about our customers, understand their needs and define solutions with the team;
- Balance short-term speed of development with the long-term technical quality of our systems;
- As a Back-End Engineer, you will leverage your experience to guide the team in making informed technical decisions, such as continuous improvement of best practices (test culture, code reviews, monitoring and scalability of our tools).

## What you need to succeed

- Exposure to architectural patterns of a large, high-scale web application (e.g., well-designed APIs, high-volume data pipelines, efficient algorithms);
- Familiar and willing to support small JS/TS tasks when needed;
- Expertise in troubleshooting issues, identifying the root cause, mitigating it, and adding setting up safeguards to prevent future issues;
- High level of self-organization, ownership, and responsibility;
- A great collaborator with excellent verbal and written communication skills. Minimum B2 English level;
- Willingness to be on-call for your squad (1 week every 5 weeks).

## Why you’ll love it at Preply

- An open, collaborative, dynamic and diverse culture;
- A generous monthly allowance for lessons on[Preply.com](http://preply.com/), Learning & Development budget and time off for your self-development;
- A competitive financial package with equity, leave allowance and health insurance;
- Not in Barcelona? We offer an attractive relocation package to join us in our Preply Barcelona Hub;
- Access to free mental health support platforms;
- Access to Gympass-partnered wellness and gym centers throughout Spain to promote and support well-being and physical health;
- The opportunity to shape the lives of learners and tutors through language learning and teaching in 175 countries (and counting!).

Our Principles

- Care to change the world - We are passionate about our work and care deeply about its impact to be life changing.
- We do it for learners - For both Preply and tutors, learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
- Keep perfecting - To create an outstanding customer experience, we focus on simplicity, smoothness, and enjoyment, continually perfecting it as every detail matters.
- Now is the time - In a fast-paced world, it matters how quickly we act. Now is the time to make great things happen.
- Disciplined execution - What makes us disciplined is the excellence in our execution. We set clear goals, focus on what matters, and utilize our resources efficiently.
- Dive deep - We leverage business acumen and curiosity to investigate disparities between numbers and stories, unlocking meaningful insights to guide our decisions.
- Growth mindset - We proactively seek growth opportunities and believe today's best performance becomes tomorrow's starting point. We humbly embrace feedback and learn from setbacks.
- Raise the bar - We raise our performance standards continuously, alongside each new hire and promotion. We build diverse and high-performing teams that can make a real difference.
- Challenge, disagree and commit - We value open and candid communication, even when we don’t fully agree. We speak our minds, challenge when necessary, and fully commit to decisions once made.
- One Preply - We prioritize collaboration, inclusion, and the success of our team over personal ambitions. Together, we support and celebrate each other's progress.

Diversity, Equity, and Inclusion [Preply.com](http://Preply.com) is committed to creating an inclusive environment where people of diverse backgrounds can thrive. We believe that the presence of different opinions and viewpoints is a key ingredient for our success as a multicultural Ed-Tech company. That means that Preply will consider all applications for employment without regard to race, color, religion, gender identity or expression, sexual orientation, national origin, disability, age or veteran status.

## About Preply

## Company Overview
- **One-liner**: Preply is a human-led, AI-enabled online language learning marketplace that connects over 100,000 tutors with millions of learners worldwide for personalized 1-on-1 lessons.
- **Entity Type**: Private (Series D – unicorn, $1.2B valuation as of January 2026)
- **Headquarters**: Brookline, Massachusetts, United States (with global hubs in Barcelona, London, Kyiv, and New York)
- **Founded**: 2012
- **Founders**: Kirill Bigai (CEO) and Dmytro Voloshyn (CTO)

## Core Business
- **Primary industry**: Language learning / EdTech
- **Target customers**: B2C (individual learners) and B2B (corporate language training via Preply Business); primarily B2C but growing enterprise segment.
- **Mission or purpose statement**: "Power people’s progress" – combining the flexibility of online learning with personalized lessons from expert tutors to create life‑changing experiences.

## Products & Services
- **Preply Marketplace**: A platform where learners book 1‑on‑1 live lessons with tutors teaching 90+ languages and 120+ subjects. Tutors manage scheduling, payments, and an integrated video classroom.
- **Preply Business**: Corporate language training solution for companies to upskill employees, offering tailored programs and reporting.
- **AI‑Powered Tools**: New‑generation AI‑enhanced tutoring features (including AI‑generated content and adaptive learning tools) designed to supplement human‑led instruction. The company also provides enterprise OpenAI licenses to employees.

## Market Standing
- **Valuation/Market Cap**: $1.2 billion (post‑money after January 2026 Series D) – becoming a unicorn.
- **Key Metric**: Over $100K total funding? Actually total disclosed funding is ~$150M+ (Series A, B, C) plus the $150M Series D. Annual revenue is not publicly available (private company). Key growth metric: 100,000+ tutors across 180 countries.
- **Notable Investors/Partners**: WestCap (led Series D), Owl Ventures, Horizon Capital, Hoxton Ventures, Full In Partners, Diligent Capital Partners, Point Nine Capital (led Seed round).
- **Growth Signals**: 
  - Unicorn status reached in Jan 2026.
  - B2B segment “Preply Business” growing.
  - Completed first employee tender offer in May 2026 to provide early liquidity.
  - CEO Kirill Bigai named EY Entrepreneur Of The Year® 2026 New England Finalist.
  - 700+ employees globally; 62+ nationalities represented.

## Competitive Advantages
- **Network effects**: Large two‑sided marketplace with 100K+ tutors and millions of learners creates a strong moat in the $115B global language learning market.
- **Human‑led + AI‑enabled**: Differentiates from purely self‑study apps (e.g., Duolingo) by combining live human interaction with AI‑powered personalization.
- **Global reach**: Tutors from 180 countries teaching 90+ languages, enabling learners to find native speakers for almost any language.
- **Trust & quality**: Focus on tutor quality and learner progress, with internal engagement surveys showing 86% of employees proud to work at Preply.

## Strategic Focus
- **AI integration**: Deepen AI capabilities to enhance tutoring (content generation, adaptive learning paths) while keeping human interaction central.
- **B2B expansion**: Grow Preply Business as a key revenue driver for corporate language training.
- **Global hub growth**: Strengthen presence in existing hubs (Barcelona, London, Kyiv, New York) and expand into new markets.
- **Talent & culture**: Continue building a people‑first culture with employee liquidity events and strong engagement scores.

## Why Work Here
- **Culture**: Guided by five “Preply principles” (Ambition, Keep Perfecting, Care to Change the World, etc.). 86% of employees are proud to work at Preply (2025 survey); 84% would recommend it as a great place to work.
- **Work model**: Hybrid working model (flexible remote/in‑office). Main office in Barcelona with hubs in New York, London, and Kyiv.
- **Perks**: Competitive salaries, stock options, L&D days, monthly Preply platform allowance, wellness benefit, health insurance, flexible compensation program, after‑work gatherings, offsite events, enterprise OpenAI licenses.
- **Hiring process**: 4 stages – TA chat, interviews with hiring team (may include tech test), a final task (case study / peer programming / deep technical discussion), and a Culture Champion interview.
- **Global team**: 62+ nationalities and 700+ employees, offering a diverse, collaborative environment.

## Sources
1. [Preply Careers](https://preply.com/en/careers)
2. [Preply About Us](https://preply.com/en/about-us)
3. [Preply Homepage](https://preply.com/)
4. [CB Insights Company Profile](https://www.cbinsights.com/company/preply)
5. [Preply LinkedIn](https://www.linkedin.com/company/preply)

## Other roles at Preply

- [Staff Product Manager - AI Platform](https://feeny.ai/job/staff-product-manager-ai-platform-preply-london-b5waqc774vpv) — London, United Kingdom
- [Senior Product Manager - Data Products](https://feeny.ai/job/senior-product-manager-data-products-preply-barcelona-9s6vnkr91yzp) — Barcelona, Spain
- [Senior Tax Accountant](https://feeny.ai/job/senior-tax-accountant-preply-barcelona-2nbwktjs2am9) — Barcelona, Spain
- [Talent Acquisition Partner - Business](https://feeny.ai/job/talent-acquisition-partner-business-preply-barcelona-ky2dat9eej7m) — Barcelona, Spain
- [Senior Product Manager - Martech](https://feeny.ai/job/senior-product-manager-martech-preply-london-bpr5w74cgfcj) — London, United Kingdom
- [Senior Product Manager - Martech](https://feeny.ai/job/senior-product-manager-martech-preply-barcelona-kpgtqrg6053q) — Barcelona, Spain
- [Sales Development Representative (Polish)](https://feeny.ai/job/sales-development-representative-polish-preply-barcelona-nnajbps3whq8) — Barcelona, Spain
- [Customer Care Specialist (Philippines - November)](https://feeny.ai/job/customer-care-specialist-philippines-november-preply-philippines-2p222man7fvp) — Philippines
- [Customer Support Agent Remote (Ukraine-based)](https://feeny.ai/job/customer-support-agent-remote-ukraine-based-preply-kyiv-86h8pd2jf1db) — Kyiv, Ukraine
- [Customer Care Specialist Remote (Ukraine-based)](https://feeny.ai/job/customer-care-specialist-remote-ukraine-based-preply-kyiv-hx4jp936knq3) — Kyiv, Ukraine