Golang Developer for IoT / Industrial Data Platform (f/m/x)

Design, enhance, and support connectivity solutions that integrate various communication protocols such as MQTT, OPC, REST, Kafka, and more
Develop and operate systems for reliable data acquisition, transformation, analysis, and processing across heterogeneous sources
Build and maintain core platform services, including OPC UA Server features, data calculation pipelines, and historical/trending data modules
Implement extensible components enabling user-defined scripts, SQL execution, workflow automation, and customizable rule chains
Develop notification and messaging capabilities, including email, SMS, Slack, Google Chat, and other communication channels, ensuring consistent and timely delivery
Contribute to security features such as TOTP and other authentication and protection mechanisms to safeguard the platform and user data
Participate in architectural discussions, feature scoping, and technical design, taking ownership of complex functionalities from concept to implementation
Collaborate closely with frontend, QA, and product teams while providing support, troubleshooting, and continuous improvements for deployed services

At least 4 years of backend development experience, including work on large-scale, multi-service backend systems
Proficient in Go as the primary language, with additional skills in C/C++, Python, SQL, and Linux/Windows
Skilled in containerised development using Docker
Solid understanding of distributed architectures and practical work with microservices
Practical experience with event-driven systems, messaging tools, and asynchronous communication
Understanding of industrial communication standards such as OPC UA, MQTT, and similar protocols
Expertise in database schema design, optimisation, and efficient data handling
Solid skills in building and maintaining APIs using REST and gRPC
English at an advanced level
Residing in Poland required

Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People

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