Back-End Principal Engineer (Amsterdam or Lisbon)

Job description


We are the leading one-stop-shop for branded payments, making online recharge possible for anyone, anywhere at any time — whether you or someone you love needs credit for calling, gaming, entertainment or money. This is your chance to join an ambitious scaleup in a state of rapid growth; we’ll push you to develop yourself and help you create a real impact in your role. Put simply: we could write history together.

We won’t bore you with a corporate spiel about how we might be taking on the world of branded payments (spoiler: we are). Instead, we’ll let the numbers speak for themselves: $70 million in funding (and counting!), 40%+ growth in 2021, projected $560 million in sales in 2022, 3.0+ million active customers, a presence in 180 countries and 25 markets, a team of 140+ employees and 35+ nationalities, and 1 person missing — you.

We’re on the hunt for the hungriest and most passionate talent out there. If at any point your brain screams “I want in!” while you’re reading this, then consider this the sign you’ve been looking for: we want you too.

The Role

We’re looking for a technical leader to join our engineering teams as a Back End Principal Engineer.

Are you a seasoned engineer with experience in guiding and leading technical practices?

We need your drive and knowledge of how to build great software that sits at the core of our business and serves millions of people around the globe!

Job requirements

What will I do?

  • Work with and across our engineering teams on backend architecture, practices and help define a technical roadmap

  • Help teams with guidance on security, scalability, performance, monitoring and quality

  • Guide technical decisions and facilitate identification of new languages, frameworks and tools

  • Have a view of engineering across all teams. Look for where to standardize, leverage economies of scale and reduce cross cutting bottlenecks.

  • Collaborate with engineering managers and product owners, helping refine scope to deliver value, while balancing quality and operability.

  • Lead and improve our technical interview process

  • Mentor engineers, and help them achieve their potential.

What do you have?

  • Experience with technical design and scaling systems

  • Deep understanding of cloud architecture

  • OOP, design patterns and SOLID principles are second nature to you.

  • Experience guiding teams towards continuous delivery and continuous deployment.

  • You’ll have led the technical direction of multiple teams.

  • An agile/lean mindset. You’ll have worked in a customer focused and product oriented team. You are data driven.

  • Comfortable with using monitoring tools such as Sentry, Splunk, New Relic, Grafana etc.

  • Ability to coach and influence engineers and stakeholders

Our Tech Stack

  • Languages: PHP, Python, Ruby, TypeScript

  • DB & Data Exchange: MySQL, Redis, RabbitMQ

  • CI/CD & Cloud Operations: Github (repos), Gitlab (pipelines), AWS, Docker

  • Automation: QA Wolf, Robot Framework, Selenium

  • Tools: Newrelic, Grafana, ELK, Sentry

  • Comms: Atlassian / Google Workplace / Slack

What we offer

  • 30 days of holiday, a great pension scheme, and one of the best relocation packages in Amsterdam

  • Flexible working hours and an office overlooking the Amstel

  • MacBook Pro or PC

  • Budget for noise-cancelling headphones, travel to and from the office, working-from-home and self-learning

  • Free healthy breakfast, lunch and snacks by our in-house chef

  • Weekly yoga, bootcamp and guided meditations

  • Free Dutch classes to help out with daily life in the Netherlands

  • Regular parties, pub quizzes, bingo sessions, celebrations and other events

Find out more about our company culture, values and big wins at and our Instagram Page at Lifeatrecharge.

The process

1. Apply: Want in? Let us know! Apply for a role and help us get to know your best self.

2. Phone interview: One of our recruiters will get in touch to help you both understand if Recharge is the right next move for you.

3. First interview: You’ll meet with your future line manager (either in person or online) and someone from HR to talk about you, our culture, and whether you're a fit for the job.

4. Assignment & Second interview: Some roles involve a case study. Great! It’s your chance to shine and show us you have what it takes. You’ll present your case study to the Hiring Manager and someone from the team

5. Third Interview: You’ll meet with a key member of the management team

6. Offer: You did it! There are only a few tickets available, and this one has your name on it. Welcome to the team.

Find out more about our company culture, values and big wins at, our Instagram Page on Lifeatrecharge or meet some of our team in the video below.