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Sii Poland • Białystok, Podlaskie Voivodeship, Poland
Role & seniority: Software engineer (industrial automation) – mid to senior level, focus on reusable code libraries.
Stack/tools: JavaScript/JScript, Structured Text (ST), unit testing, QA best practices; experience with codebases shared across multiple projects; familiarity with PLC workflows is a plus.
Develop and maintain a common code library used across R&D automation projects.
Optimize and clean up existing JavaScript/JScript and ST code; implement unit tests and test documentation.
Collaborate with project teams to implement new features and improve code quality and modularity; promote QA practices.
Experience in industrial automation (PLC/Structured Text welcome).
Proficiency in JavaScript/JScript and Structured Text.
Practical QA knowledge; ability to write/maintain unit tests.
Experience with modular, scalable code shared across multiple projects.
Independent, accurate, problem-solving; strong communication; fluent English.
Residence in Poland; Polish language fluency.
Prior work on common codebases for multiple projects.
Experience implementing QA processes and test documentation.
Location & work type: Poland-based; full-time role; Polish fluency required.
Join a team developing a central industrial automation project that acts as a common code library for multiple research and development (R&D) projects. The project contains a set of functions and solutions created for reuse in automation systems. The code is mainly written in JavaScript/JScript and Structured Text (ST).
If you have experience in industrial automation, can clean up code, implement tests and care about software quality - you might be the one we are looking for!
Your tasks
Development and maintenance of a common code library used in industrial automation projects Working on client products Optimization of existing code written in JavaScript/JScript and Structured Text (ST) Implementing unit tests and creating test documentation Identifying and resolving code quality issues Collaborating with project teams to implement new features that depend on a common code base Suggesting and implementing QA (quality assurance) best practices
Requirements
Experience in industrial automation (welcome: working with PLC, Structured Text) Knowledge of JavaScript/JScript and Structured Text languages Practical knowledge of software quality assurance (QA) principles Ability to write and maintain unit tests Previous work y with code common to multiple projects (modularity, scalability) Independence, accuracy and ability to propose technical solutions Fluent English language Residence in Poland required and fluency in the Polish language
Job no. 260223-VROD0
Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.
Benefits For You
Great Place to Work
Solid financial situation
Contracts with the biggest brands
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Profit sharing
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