We are seeking a Senior Backend Enginee r to design and build core services for a modern enterprise security platform.
You will work across distributed systems and cloud‑ready backend components to deliver scalable capabilities for hybrid and on‑prem environments. The role is hands‑on, focused on secure architecture, end‑to‑end ownership, and high‑quality backend engineering. You will collaborate with product and architecture teams to deliver multi‑tenant solutions that strengthen protection against advanced identity‑based threats.
Key Responsibilities :
Design and implement threat‑detection capabilities using deep Active Directory and Entra ID expertise to monitor and analyze security threats in hybrid environments.
Develop scalable backend services for on‑prem and SaaS deployments, contributing to architecture, integration, and high‑quality, maintainable code.
Integrate identity‑security and data‑security capabilities across related product areas.
Promote and optimize AI use to accelerate development and enhance threat detection, anomaly identification, and predictive analytics with focus on accuracy and interpretability.
Collaborate with product, platform, and engineering teams to align technical work with business needs.
Support junior engineers through reviews and knowledge sharing, fostering innovation and security‑first thinking.
Qualifications :
Bachelor’s or Master’s degree in Computer Science, Software Engineering or equivalent experience.
6+ years of enterprise software development across on‑prem and SaaS products, including designing scalable systems and delivering software at scale.
Strong background in distributed, modular and event‑driven architectures with proficiency in modern OOP languages and designing RESTful and asynchronous APIs.
Experience with containerization and IaC using Docker, Kubernetes and infrastructure‑as‑code, plus solid understanding of DevOps, CI/CD pipelines, monitoring and observability.
High‑performance database experience including PostgreSQL and Entity Framework Core.
Active Directory knowledge relevant to enterprise identity and access scenarios.
Strong communication and collaboration.
Preferred Qualifications:
Familiarity with cloud platforms and SaaS security best practices, including experience developing products that support both on‑prem and SaaS environments.
Familiarity with C# and the .NET ecosystem (.NET Core/.NET)
Familiarity with threat detection methodologies, SIEM concepts and security frameworks.
Experience with Entra ID and hybrid cloud identity solutions.
Familiarity with machine learning applications in threat detection.
Contributions to open-source projects or technical communities.
Benefits:
Hybrid work model with a modern office located in Kraków.
Competitive health and wellness benefits.
Career growth, technical advancement, and continuous learning opportunities.
A collaborative, innovative, and supportive work environment.
Joining newly built engineering teams and work from a recently opened office space.
To apply for this offer, please follow the "Apply now" button. The salary rates presented here are monthly gross and are based on Grafton Recruitment's research into salary trends. The final salary offered upon hiring will depend on how closely the candidate meets the requirements set out in the job offer. Job offers by Grafton Recruitment are not commercial offers within the meaning of the Polish Civil Code(Articles 66 and 71 CC). We kindly inform you, that we will process all applications with full discretion and contact selected candidates.
Grafton Recruitment Sp.z o.o. is registered on position 20329 in the National Recruitment Agencies Register.
... for an experienced Senior Backend Engineer to join our team and contribute to the design, development, and maintenance of scalable, reliable, and high-quality backend systems., , In this role, you will work primarily with .NET / C#, AWS, and microservices architecture, applying modern software engineering and DevOps practices ...
... Grafana, Tempo, Mimir) for application monitoring and logging. ✨ Nice to have - Golang: If you already know the basics of Go – great! If not, but you have a solid backend foundation, are highly self-sufficient, and want to write in Go – this is the perfect role for you. You will learn Go best practices directly from senior developers. ...
... Grafana, Tempo, Mimir) for application monitoring and logging. ✨ Nice to have - Golang: If you already know the basics of Go – great! If not, but you have a solid backend foundation, are highly self-sufficient, and want to write in Go – this is the perfect role for you. You will learn Go best practices directly from senior developers. ...
The Cloud Fleet Engineering team is at the forefront of managing and scaling our fleet of AI-powered edge devices deployed across global transportation agencies. As a senior engineer, you will play a critical role in designing, building, and scaling cloud services that enable remote device management, over-the-air updates, ...
Wymagane, Kubernetes, Java, PostgreSQL Mile widziane, Spring Boot O projekcie, Poszukujemy Senior Backend Engineera, który posiada solidne doświadczenie w rozwoju aplikacji backendowych oraz pracy z platformami cloud-native. Szukamy osoby z praktyczną znajomością Javy, PostgreSQL i Kubernetes, która dobrze odnajduje się ...
Operating system, Windows Your responsibilities, Design and develop applications using C# and modern .NET., Build scalable backend services and REST APIs., Define software architecture, engineering standards, and development practices., Design secure, maintainable, and resilient software solutions., Implement integrations ...
We are looking for Senior Backend Engineers (AI-Native) to join a high-velocity squad focused on our B2B and B2C warehouse management ecosystem. The ideal candidate is an AI-Native Software Engineer who won’t just write code but orchestrate AI agents and assistants to accelerate the entire Software Development Life Cycle ...
... opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. Why Box Needs You As a Senior Software Engineer on the Partner Integrations team at Box Poland, you'll be part of a team that builds and maintains apps, product integrations, and frameworks ...
... multiplayer game, working alongside its client engineers and game designers as a full member of the game team. You will be part of a small group owning the backend that this game needs as its requirements become more specific and demanding. You’ll also be plugged into Voodoo's shared gaming backend platform - the same ...