Backend Engineer (PHP)

busuu Ltd
United Kingdom
12 Oct 2018
17 Oct 2018
Contract Type
Full Time
As the largest social network for language learning in the world we’ve already had some great success, but there is so much more that we want to build and improve on. We’re looking for smart, agile, independent engineers who can help us take our APIs to the next level, enabling more amazing ways for our users to interact with each other and learn even more. We’re looking for someone who loves to think about the server side, but also remembers that they are building APIs for end users and helps to tailor the experience for them.

We use PHP7/Symfony, Node.js, MySQL, PostgreSQL, Redis, and Docker to get things done, but we’re always open to change and the best tool for the job should be the one we’re using.

Why is a Backend Software Engineer important at busuu?

From building new distributed APIs and storing massive amounts of data, to using machine learning and building bot platforms, there are many exciting challenges for the Backend team at busuu.

As a Backend Engineer, you’ll be at the front line of all our changes, with the authority and responsibility to make decisions that will affect the platform and our users for the better. Our team is still small enough that every engineer makes a massive difference.

What does a Backend Engineer do at busuu?

You’ll have the opportunity to be at the centre of our biggest and most exciting phase yet, making big decisions that will help you grow and define your career as a Software Engineer. You’ll ship code often, support it all the way to production, and work with our web/mobile engineers and product teams to ensure a joined up experience for our users.

You’ll work on a platform that is serving 70 million users in over 190 countries, supporting a huge amount of different payment methods across all territories, integrations with some of the biggest mobile operators in the world, and an ever growing catalogue of languages and ways to learn.

What makes a great Backend Engineer at busuu...

Excellent knowledge of PHP/OOP and experience with a modern web framework (we use Symfony 3). Node.js experience is a plus.
Good experience of data modelling and performance optimisation using relational databases (we use MySQL and PostgreSQL).
Solid knowledge of REST API design.
Exposure to the architecture of high traffic web platforms.
Experience with testing methodologies, performance debugging and benchmarking.
Ability to work outside your comfort zone, take a problem and solve it with as much or as little support as you need.
Not ticking every box or think you’ve got that unique set of skills we haven’t realised we need? Get in touch anyway; we’re always looking to add great people! There are lots of indications that some people only apply to roles when they meet all the qualifications for a role, however we’d encourage you to apply even if you don’t believe you meet all the criteria! We don’t believe that ticking off a list of skills is the only thing that makes a great candidate. You can read more about how we're building a more diverse team on our tech blog.

Have a read through our tech blog to learn more about what we're up to!

We are an equal opportunity employer and value diversity at busuu. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.


Competitive salary.
Bonus Scheme.
Private healthcare.
Gym membership.
Choose your own equipment.
Free breakfast and snacks.
Free dinner if you need to stay late.
Regular company trips (our last was to Mallorca) and evenings out in London.
Friday socialising - we make sure we stop working and spend time together at the end of the week.

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