Senior Backend Software Engineer – Industrial Applications

About the role

Actusmart is an innovative technology company based in Slovakia that develops intelligent software solutions for electric actuators and industrial automation. We are looking for an experienced Senior Backend Software Engineer to design, build and continuously improve our server‑side applications and software infrastructure.

Key responsibilities

• Design, develop and maintain server‑side applications and backend services.
• Build scalable and maintainable microservice architectures using C++ and C#.
• Design and maintain APIs and interfaces between applications, services and industrial devices.
• Work with databases, data processing and communication between distributed systems.
• Ensure performance, reliability, security and scalability of backend applications.
• Integrate data and services from connected industrial devices and automation systems.
• Collaborate closely with frontend, firmware, hardware and product development teams.
• Support testing, debugging, deployment and continuous improvement of existing applications.
• Contribute to software architecture and long‑term technology decisions.

Required profile

• Degree in Computer Science, Software Engineering or equivalent professional experience.
• Several years of professional experience in backend and server‑side software development.
• Strong programming skills in C++ and C#.
• Solid experience with microservices and distributed software architectures.
• Strong understanding of server applications, APIs, databases and backend architecture.
• Experience with SQL and/or NoSQL databases.
• Familiarity with Docker, Linux, CI/CD and cloud or server infrastructure (advantage).
• Experience with MQTT, IoT or industrial communication protocols such as Modbus, PROFIBUS, Foundation Fieldbus (advantage).
• Experience with Python and AI/data applications (plus).
• Fluent English; Slovak or German is a plus.

Required skills

• C++
• C#
• Microservices
• Distributed architectures
• APIs
• SQL
• NoSQL
• Docker
• Linux
• CI/CD
• Cloud infrastructure
• MQTT
• IoT
• Modbus
• PROFIBUS
• Foundation Fieldbus
• Python
• AI/data applications

What we offer

• A key technical role with significant responsibility and influence on software architecture.
• Work on modern backend, microservice and connected‑device technologies.
• Close cooperation with firmware, hardware, frontend and product development teams.
• Opportunities to contribute to IoT, data analytics and AI‑based solutions.
• Long‑term development opportunities and increasing technical ownership.
• Competitive compensation based on experience and qualifications.