PHP/Kotlin Backend Engineer

Creandum

Location:
Germany, Berlin

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Monta is looking for a PHP/Kotlin Backend Engineer to build the robust, scalable infrastructure necessary to make Monta the undisputed global leader in Charge Point Management Systems, strengthen our existing roaming functionality, implement exciting new features including the latest OCPI versions and Plug & Charge capabilities, and balance technical ambition with sleeves-rolled-up execution to ensure our fleet and roaming offerings remain best-in-class.

Job Responsibility:

Own the full lifecycle: Scope out requirements and plan new features in collaboration with the team, taking code from ideation to production
Cross-team execution: Work closely with Ops, Product, Frontend and other Backend teams to navigate ambiguity and ensure features integrate seamlessly
Ensure quality at speed: Perform automated validation and verification testing while supporting your teammates with thoughtful code reviews
Monitor and Maintain: Utilize tools like Grafana and Loki to monitor system health, ensuring reliability for the drivers who depend on us
Own outcomes in a high-trust environment where we value execution over perfection
Navigate ambiguity and shifting priorities — keeping momentum when it matters most
Celebrate wins and learn fast from misses alongside an ambitious, diverse team
Push boundaries with courage and resilience while staying true to our DNA

Requirements:

Mid-level or above Backend Experience: solid experience building scalable backend systems
Proficient in Kotlin (Micronaut) and PHP (Laravel), or strong experience in one with the ability to quickly master the other in a mixed environment
Experience working with OCPI (Open Charge Point Interface) and understand the complexities of the EV roaming ecosystem
Clear & pragmatic communicator who builds alignment fast
Authentic team player with empathy, openness, and ownership
Comfortable with AI-powered tools to accelerate your work (Claude, Gemini, Codex, etc.), with the willingness to learn more
Spoken and written English skills need to be proficient

What we offer:

A yearly education budget and extra days off to use it
A friendly and social company culture with movie nights, Friday bars, pub crawls, and more
Free lunch every day
Pension & health coverage to keep you secure for today and tomorrow
Paid parental leave to support life’s big moments
Warrants program - be part of our growth story
Flexible working hours
A one month electric vehicle introduction program (plus access to a shared company EV)

Additional Information:

Job Posted:
December 07, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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PHP/Kotlin Backend Engineer - Roaming