Senior Software Engineer (Java / Kotlin) - Operations Automation

O projekcie:
About the job

At Allegro, we operate at a massive scale where performance, reliability, and developer efficiency are paramount. Within our multi-product platform team, we design and maintain the critical infrastructure, low-code engines, and shared technical solutions used by other engineering teams to build secure and auditable internal tools across the entire ecosystem.

Our internal platform solutions are utilized company-wide to streamline data access and simplify admin tool creation. This environment demands exceptional complexity management, structural scalability, and out-of-the-box architectural thinking to eliminate repetitive developer bottlenecks and ensure that our customer support department can operate without disruption.

The Role

As a Senior Software Engineer, your primary focus will be the development, maintenance, and architectural evolution of our core backend platform services and low-code infrastructure. This is a highly impactful, well-rounded role where you will ensure the high availability, security, and stability of systems that power internal applications company-wide. You will help the organization scale efficiently while keeping technical debt to a minimum.

Key Responsibilities

- Design & Development: Architect, develop, and scale core platform services, messaging components, and internal development tools. The primary stack is backend-focused (Kotlin/Java, Spring, Kafka, queuing systems, PostgreSQL, MongoDB, Cloud - Azure/GCP, Kubernetes/Docker), with the opportunity to occasionally collaborate on the frontend (TypeScript/React) or AI-driven services (Python).- Stability & Reliability: Actively monitor, optimize, and deep-dive into platform systems to ensure maximum stability and safeguard our internal SLAs. You will share responsibility for system availability by participating in our casual on-call duty rotation.- Enabling Internal Teams: Provide a robust technical foundation and clear abstraction layers so other teams can build and deploy their tools swiftly, securely, and consistently.- Project & Team Leadership: Lead software development initiatives, supervise and mentor other team members, and document software thoroughly.- Stakeholder Collaboration: Analyze the needs of our internal users to deliver features that accelerate company-wide development and eliminate repetitive manual work.

Important things for you:

- Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work.- The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost):- PLN 18 850 - 25 900- Annual bonus based on your annual performance and company results.- Our team is based in Poznań.

What's in it for you:

- 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.

Wymagania:
We are looking for people who:

- Have Strong JVM Engineering Fundamentals: Demonstrate deep expertise in backend engineering with Kotlin/Java and have proven experience with distributed systems, Kafka, queuing systems, and PostgreSQL.- Are Versatile & Tech-Agnostic: Are open to a very diverse environment. While your primary focus is the JVM stack, you are enthusiastic about collaborating with team members who touch frontend components (React/TypeScript) or AI assistant architectures (Python)- Thrive under High Responsibility: Understand the business criticality of internal platform tools. You care about visual consistency, high security, and deep auditability, knowing that system stability directly impacts our daily customer service operations.- 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.- Possess a Pragmatic, Problem-Solving Attitude: Look for the best tool for the job, maintain an analytical mindset, and focus on driving automation over repetitive manual task- Communicate in English at a B2 level or higher.