Lingokids

Sr Backend Engineer (Ruby on Rails) at Lingokids

Madrid · Full Time
We’re a small team. We like moving quickly. We’re building a service to help children learn a new language. Read More
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Job Description

The company:
We’re reinventing early childhood education through an online language learning platform for kids. We adopt the Netflix model to help children learn the English language via a content platform and online live classes with millions of users. We believe in breaking down language barriers and helping provide equal opportunities to all kids around the world.

Our team is based in Madrid and includes a great group of (Ruby, Unity, Redis/MySQL, iOS, Android, Javascript, React) engineers and talented product designers. We have a solid product and big plans for improvement and scale. You want to take on big challenges and are passionate about building an educational service for children that reaches millions of families around the world.

Responsibilities:
We need a well-rounded backend developer with experience designing and creating robust backend systems that will communicate with our apps and websites. Estimation, design, code development, debugging, testing, integration, and documentation of these systems.

Interesting problems around adaptive learning for Pre-Ks, growing scaling/performance challenges with millions of behavioural events and users, etc.

Requirements:
• Relentless in finding simple, elegant solutions to complex problems
• 5+ years experience creating, fixing, maintaining, and expanding backend systems
• Ruby on Rails (very good knowledge + clean coding)
• A solid grasp of OO programming, DBs, development, and testing methodologies (TDD with RSpec)
• Databases: MySQL, Postgres, Redis
• GIT version control (good knowledge)
• Experience developing APIs and integrating third party API services
• Experience working at a fast-paced, small technology company (<50 employees)
• Highly autonomous; Strong decision-making and execution with imperfect information
• High motivation to learn and grow
• High level of English

Perks & Benefits:
We are proud of our culture and work hard to make sure every team member loves what they do. Check some of the perks and benefits of working in the EU and being a Lingoer.

• Stock-options: Joining the Lingokids journey means you own part of the company.
• Retreats & Happy Hours: Our team celebrates monthly get-togethers and an annual retreat.
• Free books: We buy you any books that can help you be even better at your work.
• Family Leave: Enjoy up to 4 months of paid family leave, regardless of when you joined.
• Unlimited Snacks & Drinks: Our kitchen is always full, from beer to daily fresh fruits.
• Visa Sponsorship: If needed, we will fully-sponsor a EU visa to come work with us.
• Language Lessons: We offer language lessons in Spanish and English.
• Technology: Get hooked up with a Macbook (or PC) to do your best work.
• Fridays Lunch & Learn: Weekly all-hands gathering to lunch and learn from each other.
• Paid time-off: 23 paid days off for everything life throws your way.
• International Office: Multicultural team with 10+ nationalities and day-to-day work in English.
• Sunny Spain: Sunny Spain: Over 300 days of sunshine per year with blue-skies.

Contact us:
Send your CV with as much info as possible, including examples of projects, or links to public repositories (Github, Bitbucket, etc) to jobs@lingokids.com

Apply Now

What We're Building

Lingokids is a well-funded, fast-growing edtech startup changing the face of early childhood language education. We’ve taught over 5 million kids in 170 countries since our launch.

Lingokids mission is to remove language barriers and provide quality education for all children around the world. To achieve it, we are building an online language learning platform for children that offers fresh educational content weekly, presented through a ludic interface that encourages receptive learning.

We already have an established product, with a user base of over 5 million users, but we don't just rest on our laurels. Our talented team of product designers, software engineers, and content producers tweak and improve our product daily, while incorporating feedback from our customers.

I've grown so much professionally in my time here at Lingokids (almost 2 years!), and every day offers an exciting new challenge. At Lingokids we are surrounded by bright, driven, and fun people that really make a difference in the spirit and success of the company.
Every new joiner is greeted by our leads in our On Boarding Sessions. This is our way to make sure every new Lingoer is set for success.
Lingokids in action!!
Opportunities, opportunities, opportunities! Working at Lingokids brings the most challenging, fun, unexpected opportunities you could imagine. My experience here, for the 1.5 years I've been at the company, is of stimulating and compelling projects, with an international environment of extremely bright and supportive colleagues that boost your motivation. Plus, we have the most chill, fun pizza Fridays ever!
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Lingokids Team

Cristobal Viedma
CEO/Founder @Lingokids. Head of Platform @Viki ($200M exit). CEO/Founder @Bluewalks.
Marieta Viedma
Founder Monkimun, Gea Educativa Worked at @University Complutense de Madrid, @University Castilla la Mancha Studied at @University Complutense de Madrid
Meredith Chasney
Dynamic EdTech professional with experience in Product Management, Business Development, and CRM.
Ashley Samay
Globetrekker | Relentless Optimist | Systems Engineer | Director of Operations @Lingokids
Alberto Mateo Lobo
Designer mind. • Creative thinking • Designer skills • Common sense • Out of the box vision • Creativity Lover
Luis Alejandro González Blázquez
International Business Development. Strategic partnerships. Background in Neuroscience and Research. Fluent in 5 languages
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Lingokids Investors

Ian Noel
Venture Capitalist specialised in Internet startups. exPortfolio Manager, Bonsai Venture Capital. Early stage, Internet. Europe, USA & Latam.
Iñaki Arrola
CEO of @Coches.com. Founder of Vitamina K VC SCR SA. Mentor at Seedrocket and Startbootcamp. Angel Investor at various start ups. ExMBA at IE Business School.
Simon Dale
Enterprise sales leader in Singapore. New business builder. Investor & mentor.
Ronnie Wee
Founder and Managing Partner at IncuVest, a Singapore-based tech investment platform.
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