Senior Software Engineer (Java/Kotlin) - Frontend Platform

Nasze wymagania:
We are looking for people who:
Have Strong Engineering Fundamentals: Demonstrate deep expertise in backend engineering with Kotlin/Java. While the role is heavily backend-focused, any familiarity with frontend ecosystems is a great plus that will help you collaborate seamlessly across the platform.
Thrive under High Responsibility: Are excited by the challenge of managing critical, high-throughput microservice architectures where system stability is a top priority.
Value Quick Feedback & Continuous Impact: Enjoy working closely with an internal customer base, allowing you to receive rapid feedback on your work and see its immediate organizational impact.
Are Forward-Thinking & Innovative: Are open to experimenting with cutting-edge efficiency boosters. Our team actively explores integrating AI Agents and LLMs into our internal tooling and workflows to optimize daily operations.

O projekcie:
As a Senior Software Engineer, your primary focus will be the development, maintenance, and architectural evolution of our core frontend platform services. This is a highly impactful role where your work directly ensures the high availability and stability of Allegro's primary web and mobile rendering traffic. You will be at the very center of product delivery, helping the organization scale efficiently while keeping technical debt to a minimum.

Zakres obowiązków:
Architect, develop, and scale core platform services and content management tools. The primary stack is backend-focused (Kotlin/Java, Spring, PostgreSQL, Couchbase, GCP, Hermes (our open source solution on top of Kafka), Kubernetes/Docker), with the opportunity to occasionally touch or collaborate on the frontend side (TypeScript/React).
Actively monitor, optimize, and deep-dive into platform systems to ensure maximum stability, safeguard our SLAs, and reduce technical debt.
Provide technical foundation and active support for critical business projects, ensuring new features can be deployed smoothly and swiftly.
Lead software development initiatives, supervise and mentor other team members, and document software thoroughly.
Analyze the needs of our internal users to deliver features that accelerate company-wide development and deliverability.
Shape and develop the platform's foundation to support AI-driven tooling, ensuring our services are ready to seamlessly integrate with AI agents and next-generation developer assistants.

Oferujemy:
Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms).
A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories.
A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers).
English classes that we pay for related to the specific nature of your job.
A training budget, inter-team tourism, hackathons, and an internal learning platform where you will find multiple trainings.
An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal.
Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy.