Lead .NET Developer

As Technical Lead (.NET) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. Your role will be a hands-on leadership position where you guide engineering teams to deliver scalable, high-quality software solutions. This is the perfect role for experienced engineers who thrive in technical decision-making, architecture, and mentorship-while staying engaged in hands-on coding.

Key Responsibilities:

• Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing.

• Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment and observability.

• Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery and fault tolerance strategies are in place.

• Champion high-quality code testing, automation testing, and continuous integration/continuous deployment (CI/CD).

• Oversee Azure-based cloud architecture, optimizing performance, security, and cost efficiency.

• Directly supervise, mentor, and develop a team of 5-7 engineers, providing career guidance and fostering a culture of engineering excellence full of collaboration, accountability and professional growth.

• Actively recruit and interview top talent to strengthen the engineering team.

• Collaborate with Product Managers to align roadmap priorities, streamline development workflows, and enhance team processes for improved efficiency and operational excellence.

• Optimize development workflows and SDLC processes to improve team velocity, efficiency and maintain low cycle times.

• Establish engineering KPIs and leverage data-driven insights to enhance performance.

• Stay updated with industry trends and emerging technologies to continuously improve our platform.

Requirements:

• 8+ years in software engineering (ideally .NET C#), with at least 2 years in a technical leadership role. Experience in other tech stacks like Node.js as a plus.

• Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices.

• Knowledge of microservices architecture and related design patterns / best practices.

• Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture / patterns.

• Experience with databases such as MySQL, MongoDB, CosmosDB or similar.

• Experience utilizing cloud services (Azure and GCP) and containerization (Docker, Kubernetes).

• Experience with Agile methodologies and CI/CD practices.

• Experience in managing software releases, performance monitoring, and reliability improvements.

• Strong problem-solving skills and ability to work in a fast-paced environment.

• Ability to explain complex technical concepts to engineers, executives, and cross-functional teams.

• Advanced proficiency in English, both written and spoken (B2+).

Office location: Kraków, Poland

Work Style: hybrid (2-3 days from the office / week preferred)

Salary levels: 28 000 - 32 000 PLN/ month

Take the next step in your career and become a part of OneRail's exciting journey!