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Senior Kotlin/PHP Engineer - Hub



Berlin, Germany
Posted on Monday, June 3, 2024

We are on the lookout for a talented Senior Backend Engineer (Kotlin/PHP)

Join our Hub team in Berlin.

As a Senior Backend Engineer (Kotlin/PHP) at Monta, you will help realize exciting new features in the Hub, our B2B Charge Point Management System (CPMS).

Monta Intro

Monta is the operating platform powering the EV ecosystem serving drivers, companies, cities, and the electricity grid with one integrated software solution.

At our core, we make EV charging simple, accessible, and reliable. Our software enables a consistent charging experience across all charge point brands and we empower charge point owners with a full-fledged solution to attract users and seamlessly manage usage, pricing, availability, and transactions.

We’ve closed a huge Series B round! 80M EUR and soaring! Our journey so far? An expansion across various markets, prestigious #ISO27001 and B-Corp certifications, and proactive tech revolutionizing the EV charging experience. Not to mention, our growth has skyrocketed 6X since the last round, nearing 1 million monthly charging sessions, and 1,000 #EV drivers joining us daily! Monta will use the EUR 80M funding to double down on its successful software-only strategy by strengthening investments in all markets and improving and expanding its product to new sectors ready to embark on an electrified future.

(Some of) the things you will be working on:

  1. Collaborate with product managers, designers and other engineers to define features that meet user needs
  2. Perform validation and verification testing
  3. Document development phases and monitor system
  4. Develop new features and maintain existing ones in our PHP codebase
  5. Get onboarded and develop and maintain our Kotlin BFF service

(Some of) the things you will be achieving:

In this role, your contributions will not only be measured by the tasks you complete but also by the tangible outcomes and improvements they bring to our products and processes and also foster your professional growth and satisfaction.

As a Senior Backend Engineer (Kotlin/PHP) at Monta, you will closely collaborate with our Design and Product teams. As we move from our PHP monolith into smaller Kotlin services, you will be

  • Help shaping best practices to support even faster iterations and growth
  • Provide technical guidance to engineers with less PHP experience.
  • Integrating our BFF(Kotlin) with our PHP monolith and also with existing (and new) micro-services to meet Front End needs
  • Learn Kotlin! You will get onboarded in our new Kotlin services and actively contribute to them.
  • Helping our Business clients seamless onboard thousands of users & charge points into Hub
  • Helping our Business clients quickly perform bulk operations in charge points, users, charge keys, etc.

The Role & Requirements:

You don't have to be obsessed with electrical vehicles, but instead, you should be obsessed with application development in either Kotlin / PHP. We are looking for passionate, positive and proactive engineers who value quality and take ownership.

WE believe you are a great candidate if you:

  • Are passionate about highly performant teams & applications
  • Like solving complex problems with simple solutions
  • Code quality and maintainability is always on the top of your mind
  • Are a good English speaker, as you will be working with colleagues from 41 different nationalities across various departments
  • Have good communication, feedback and collaboration skills.
  • Have proficiency in PHP 8.x & Laravel
  • Have experience with Java and Spring/Springboot or Kotlin and Micronaut
  • Have at least 5 years of professional experience in a relevant field
  • Have expertise in building RESTful APIs and familiarity with Open API 3.x (nice to have).
  • Are comfortable with learning new technologies and topics, we are working on tackling new problems throughout the industry and using scalable solutions to do that!
  • (Nice to have) Knowledge of Kafka and event-driven technologies

If this sounds like you, we are looking forward to seeing your application!


  • Our engineering team has a monthly meetup where they discuss their practices and get to learn a lot from each other.
  • Friday Tech Innovation day: Engineers can use their time every Friday after lunch to work on innovative things.
  • 3 annual company-wide events (including 3 day Summit) plus team events - both in-person and virtually
  • Flexible Work From Home policy
  • Warrant program - share Monta’s success!
  • Vacation days are 30 days (5 weeks + 5 top up days!)
  • Educational budget + time off for personal/professional development
  • Shared company car
  • Stay fit with a subsidized gym membership
  • Free snacks & beverages at the offices
  • Subsidized plant-based lunch
  • Pension + Health Insurance
  • Paid parental leave

The salary range for this role is 62,000 - 81,000 Eur depending on level of experience.

If this sounds like you, we’re looking forward to seeing your application!

**Please send your resume in English.

This role demands proficient English language skills for professional verbal and written communication. As Monta is a globally active company, the effective performance of duties in this position necessitates frequent and regular interactions with colleagues and partners around the world, predominantly in English.

Monta does not accept unsolicited resumes from headhunters or recruitment agencies. Unsolicited resumes sent to Monta or to our employees are considered to be the property of Monta, and we will not agree to payment of any referral compensation or recruiter fee in the absence of a signed agreement.

Find out more by visiting https://monta.com/uk/careers/