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Senior Full Stack Engineer - B2B Web

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Arrive

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Location:
Poland , Łódź

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

As a Senior Full Stack Engineer within our B2B Web team, you will join a stable yet evolving department that serves a massive global client base of over 80 million users. You will be part of a distributed, highly collaborative team of six, responsible for the end-to-end self-service admin panels that empower our business partners. This role offers a unique stimulating challenge: navigating a legacy system to architect modern, scalable solutions while overseeing fleet insights, enablement, and DevOps processes.

Job Responsibility:

  • Lead the development of high-quality features across the frontend (React) and backend (Kotlin), ensuring a seamless experience for our B2B users
  • Drive the evolution of our architecture by identifying legacy bottlenecks and implementing modern, robust solutions
  • Oversee critical engineering processes including QA, A/B testing, and DevOps to maintain high system reliability
  • Mentor team members and share technical expertise to foster a culture of continuous learning and growth

Requirements:

  • Extensive experience building complex web applications with React and modern frontend ecosystems
  • Strong proficiency in backend development, specifically with Kotlin (experience with Express.js and Java is also welcome)
  • Proven experience working with distributed messaging systems, specifically Kafka
  • Hands-on experience with A/B testing methodologies and data-driven decision-making
  • Solid understanding of DevOps processes
  • Professional fluency in English and a track record of working effectively in distributed, international teams
What we offer:
  • Opportunity to heavily upskill in AI
  • Arrive invests deeply in AI initiatives and trainings to boost engineering workflows

Additional Information:

Job Posted:
April 20, 2026

Work Type:
Hybrid work
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