Senior Full-stack Engineer Katowice, Silesian Voivodeship, Poland; Wrocław, Lower Silesian Voiv

Altium is transforming the way electronics are designed and built. From startups to world’s technology giants, our digital platforms give more power to PCB designers, supply chain, and manufacturing, letting them collaborate as never before.

• Constant innovation has created a transformative technology, unique in its space
• More than 30,000 companies and 100,000 electronics engineers worldwide use Altium
• We are growing, debt‑free, and financially strong, with the resources to become #1 in the EDA industry

The primary role of the Senior Software Engineer (Full Stack) is to design, develop, and maintain scalable and high‑performance web applications. Using your development expertise in .NET Core, Vue.js and other tools, you will write clean, efficient, and maintainable code and ensure the security, reliability, and performance of web applications by performing unit tests, code reviews, and continuous integration and delivery.

• Design and develop scalable and maintainable RESTful web services using .NET Core and related technologies
• Integrate web services with third‑party systems and applications such as ERPs, CRMs, and payment gateways
• Implement custom integration solutions using .NET Core and related technologies
• Collaborate effectively with cross‑functional teams, including front‑end developers, testers, and Dev Ops engineers, to ensure smooth integration and deployment of web services
• Troubleshoot and debug integration issues and prioritize solutions
• Ensure web services are secure, scalable, and performant
• Implement automated tests and build scripts to ensure continuous integration and delivery
• Maintain accurate and up‑to‑date technical documentation for web services and integrations
• Participate in code reviews and contribute to the development of coding standards and best practices
• Stay up to date with emerging trends and technologies related to web service development and business systems integration, and contribute to continuous improvement initiatives within the organization

• At least 5 years’ experience in web service development and system integration
• Experience in developing RESTful web services and in designing and implementing custom integration solutions and microservices using .NET Core and related technologies
• Understanding of software architecture principles and design patterns related to web services
• Experience integrating web services with 3rd‑party systems and applications such as ERPs, CRMs, and payment gateways
• Understanding of data mapping, transformation, and validation in the context of business systems integration
• Problem‑solving and analytical skills; able to understand complex business processes and system workflows
• Knowledge of database design and development using SQL Server or similar relational databases, as well as experience with ORM frameworks
• Knowledge of security best practices related to web services, including authentication and authorization mechanisms

Locations:
Poland only - hybrid in Katowice/Wroclaw.

• 🏦 Contributions to your Kafeteria MyBenefit account
• 🧘 nilo.health, mental health and wellbeing support
• 🥳 Employee referral and employee‑of‑the‑month programs
• 🏡 Flexible working arrangements available based on role and location
• 🥪 Free lunch on Tuesdays, snacks, and drinks in the office

Our global hybrid model allows employees to work remotely two days per week. Our designated In‑Office Days are Tuesday, Wednesday, and Thursday. This is when we come together in‑person as a team to collaborate, learn from one another, and accelerate innovation. Some exceptions apply.

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.

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