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As Arrive, we guide customers and communities towards brighter futures and more livable cities, it isn’t a challenge just anyone could take on. Luckily, we have something to help us make it happen. Our people and our values. We Arrive Curious, Focused and Together. Just as our entire brand is inspired by the North Star, the shining light leading travelers to their destinations since time began, our values guide us. They help us be at our best. For our customers. For the cities and communities we serve. For ourselves. As a global team, we are transforming urban mobility. Let’s grow better, together.

Role Overview:

As a Senior Software Engineer on our Pulse Core team, you will be a high-impact individual contributor helping accelerate the velocity of all City’s Experience product teams. You will work alongside a Tech Lead and Engineering Manager in a team that builds and maintains a robust, self-service developer platform and shared core services — and that embraces AI-assisted development as part of its daily workflow.

This is an execution-focused role — you will design, build, test, and own features end-to-end. You will contribute to architectural discussions and influence technical decisions, but the overall technical vision is owned by the Tech Lead. Your focus is on delivering high-quality, well-tested code at pace, and on growing your own skills in a team that is defining the future of how we build software.

What makes this a Senior Engineer role (not a Tech Lead role):

• You contribute to the technical vision and architecture — you don’t own it.

• You execute on the roadmap with a high degree of autonomy, but you are not jointly accountable for the team’s overall technical direction.

• You pair with and learn from the Tech Lead, and you mentor mid-level engineers — but uplifting the entire team’s practices is not your primary responsibility.

• You are expected to be self-directed — you can take a loosely defined problem, break it down, and deliver a well-tested solution with minimal guidance.

Key Responsibilities:

• Design and Build Features End-to-End: Take ownership of features from requirements through design, implementation, testing, deployment, and production monitoring. You own what you build.

• Write High-Quality, Well-Tested Code: Deliver clean, maintainable code in our core backend (Java/Kotlin, Spring Boot) and contribute to frontend work as needed. Write comprehensive tests — unit, integration, and contract — as a natural part of your workflow.

• Contribute to System Design: Participate actively in design discussions, architecture reviews, and technical decision-making. Bring your experience to the table and challenge ideas constructively.

• Embrace AI-Assisted Development: Use generative AI tools (Claude, Cursor, Copilot) as part of your daily development workflow. You don’t need to be a power-user from day one, but you should be enthusiastic about learning and growing your AI-assisted coding skills. The Tech Lead will mentor you.

• Own Your Services in Production: Embrace “You Build It, You Run It.” Participate in on-call rotations, monitor your services, and proactively address issues. Build with observability and resilience in mind from the start.

• Collaborate and Communicate: Work closely with Product, Design, and your engineering peers. Participate in code reviews — both giving and receiving feedback constructively. Share knowledge within the team.

• Mentor Mid-Level Engineers: Support the growth of less experienced team members through pairing, code review, and knowledge-sharing.

Required Skills:

• Strong Engineering Experience: 5–8 years of professional software engineering experience, with a track record of delivering complex features in production systems.

• Backend Proficiency: Strong hands-on experience with Java or Kotlin and the Spring Boot framework. You write code daily and can demonstrate depth, not just breadth.

• System Design Competence: You can design and reason about scalable, distributed systems using a microservices architecture. You understand trade-offs and can articulate your design decisions clearly.

• Full-Stack Capability: Experience with a modern frontend framework (React, Vue, or Angular) is a strong plus. At minimum, you should be comfortable reading and modifying frontend code.

• Testing and Quality Mindset: You write tests as a matter of course. Experience with TDD, integration testing, and quality tooling (SonarQube, JaCoCo, etc.) is expected.

• AI-Assisted Development Awareness: Familiarity with AI coding tools (Claude, Cursor, Copilot, Codex) is a strong plus. A genuine enthusiasm to learn and adopt AI-assisted workflows is essential — this team is AI-First, and you will be expected to grow into a proficient AI-assisted developer.

• Cloud & DevOps Familiarity: Experience with AWS, Docker, Kubernetes, and CI/CD pipelines.

• A Collaborative Mindset: You thrive in a team environment, give and receive feedback well, and care about the success of the team, not just your own deliverables.

We are open to candidates based anywhere in Poland who are available to travel to the office in Łódź as needed to meet business requirements.