Senior Software Engineer (.NET/C#) - Logistics team w Warszawa, Polska

Wymagane, C#, .NET Core, https://jobeax.com/link/GrYTXLZMpxEMJknV, PostgreSQL, Azure DevOps, Docker, Kubernetes, Entity Framework, Redis, Kafka

Mile widziane, GitHub, GitHub Actions

O projekcie, We are part of Allegro and we are specialists in providing advanced IT systems for logistics management., , Join the team building the technological foundation of Allegro One logistics! Our systems support the end-to-end parcel flow - from pickup through sorting, depots, and last-mile delivery. Processing millions of logistics events daily, our backend services directly impact stability and efficiency for thousands of couriers, warehouse workers, and drivers., , You will have a chance to build and refine the high-performance infrastructure powering our logistics network. We prioritize high reliability, modern engineering practices, and a supportive team culture. This role offers an excellent opportunity to actively shape our backend architecture while solving high-scale challenges.

Tak pracujemy, wewnątrz organizacji, koncentrujesz się na jednym projekcie, masz wpływ na wybór narzędzi i technologii, masz wpływ na rozwiązania technologiczne, masz wpływ na produkt, agile

Skład zespołu, backend developer, lider techniczny, architekt, devOps

Twój zakres obowiązków, Massive Scale: Design and build high-availability systems used by tens of thousands of users. This is high-performance engineering in practice., Modern Tech Stack: Work with a world-class environment using C#, .NET Core, https://jobeax.com/link/GrYTXLZMpxEMJknV, REST, PostgreSQL, Azure, Docker, Kubernetes, EntityFramework, and Redis., True Ownership & Autonomy: We live by a "you build it, you run it" philosophy. You'll join an autonomous team with full ownership of the services you create, from design to deployment., Complex Challenges: You will tackle complex backend problems, using technology to solve real-world business challenges.

Core Technical Stack & Architecture: Extensive experience architecting high-throughput, low-latency backend systems using C# and .NET Core / https://jobeax.com/link/GrYTXLZMpxEMJknV Core; mastery of resilient RESTful APIs, modular monoliths, and microservices; deep expertise in relational database optimization using PostgreSQL and Entity Framework Core under high-concurrency workloads; pragmatic experience with legacy protocols (SOAP/WCF)., Infrastructure & Distributed Systems: Hands-on production experience in cloud-native environments using Docker, Kubernetes, and CI/CD; strong background in event-driven architectures and distributed messaging via Azure Service Bus or Kafka; solid grasp of caching and optimization techniques to ensure high availability and eventual consistency., Mobile & Platform Integration: Understanding of backend considerations for mobile integration, including payload optimization, offline synchronization, push notification architectures, and API versioning., Leadership & Delivery: Proven technical leadership in mentoring engineers, driving code quality, and leading architectural reviews; full ownership across the SDLC from design to delivery; fluent in English (at least B2).

To oferujemy, 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., Long term discretionary incentive plan based on https://jobeax.com/link/eExv7EVwvUxnOkx6 shares (restricted stock units)., Our team is based in Warsaw.

Tak pracujemy nad projektem, code review, Continuous Deployment, Continuous Integration, DevOps, wsparcie architekta / lidera technicznego, dokumentacja, narzędzia do trackowania zadań, automatyzacja testów

Takie dajemy możliwości rozwoju, budżet rozwojowy, firma wspiera projekty open source, konferencje w Polsce, konferencje zagraniczne, mentoring, szkolenia zewnętrzne, treningi umiejętności miękkich, wspieramy wydarzenia dla IT, wymiana wiedzy technicznej w firmie

Benefity, dofinansowanie zajęć sportowych, prywatna opieka medyczna, dofinansowanie nauki języków, dofinansowanie szkoleń i kursów, ubezpieczenie na życie, elastyczny czas pracy, spotkania integracyjne, brak dress code’u, strefa relaksu, dodatkowe świadczenia socjalne

#goodtobehere means that:, You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA., You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create., You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job., You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support)., You will create solutions that will be used (and loved!) by your friends, family and millions of our customers., You will meet the Allegro Scale, which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning., You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about!, Send us your CV and… see you at Allegro!

https://jobeax.com/link/IAJf1RqqkgDm8sSn sp. z o.o., We are part of Allegro and we are specialists in providing advanced IT systems for logistics management, Team building the technological foundation of Allegro One logistics; systems support end-to-end parcel flow processing millions of logistics events daily, Allegro Tech: speak at industry conferences, cooperate with tech communities, run blog, podcasts, guilds, internal conference