Senior Software Engineer at Accuris – Gdańsk | Jobyssey

As a Senior Software Engineer specializing in .NET and frontend frameworks such as Angular/React, you will design and develop new features and enhancements across the full technology stack, with a strong emphasis on usability, performance, scalability, and security.

You will own complex components end-to-end, contribute meaningfully to architecture and design discussions, and help translate business requirements into reliable, cloud-native solutions running in AWS. Your work will influence technical direction at the service and component level within a globally used flagship product.

Responsibilities:

Design and develop web applications based on microservice architecture, utilizing Angular/React and .NET technologies, with a focus on ease of use, performance, scalability, and security.

Own complex components end-to-end, from requirements refinement and technical design through development, testing, deployment, monitoring, and maintenance.

Contribute to architecture, framework, database, and service design decisions, proposing improvements aligned with project goals, constraints, and platform standards.

Build and maintain automated tests, quality gates, CI/CD pipelines, and code review practices to ensure secure, maintainable, high-quality delivery.

Contribute to containerization and orchestration using Docker and Kubernetes, while supporting production operations through monitoring, troubleshooting, root-cause analysis, and preventive improvements.

Collaborate with Product Owners, stakeholders, developers, IT, ML engineers, data analysts, and researchers in Agile Scrum ceremonies, while mentoring mid-level engineers and sharing best practices.

What We’re Looking For:

Key qualifications:

Degree in Computer Science or a related field, or equivalent practical experience.

5–7+ years of software development experience, including delivery of web-based applications and cloud-native systems.

Fullstack development experience with strong backend expertise in C# .NET Core, REST APIs, and familiarity with modern frontend frameworks such as Angular or React.

Experience with microservices architecture, AWS, Docker, Kubernetes, Azure DevOps, Git workflows, automated testing, SQL databases, schema design, performant queries, and ORMs such as Entity Framework.

Key soft skills:

Strong collaboration skills and comfort working across development, IT, product, data, research, and engineering teams.

Proactive, curious, and action-oriented approach to solving technical and business problems.

Commitment to engineering excellence, security, maintainability, documentation, pair programming, and continuous improvement.

Good spoken and written English, B2 level or above.

Required Knowledge / Technologies:

Proficiency in C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, RESTful services, and software engineering best practices.

Practical experience with Angular/React and foundational knowledge of JavaScript, HTML, and CSS for frontend integration.

Docker, containerization, Kubernetes, Amazon Web Services (AWS), and cloud-native application design.

Azure DevOps for planning, repositories, pipelines, and releases; Git-based version control and collaborative workflows including pull requests and code reviews.

SQL databases, schema design, performant query writing, ORMs such as Entity Framework, automated testing, CI/CD, and quality gates.

What’s in it for you:

Engaging projects focused on building robust, scalable, secure cloud-based solutions in AWS.

Close collaboration with experienced software developers, ML engineers, data analysts, and researchers.

Opportunity to influence technical direction at the service and component level within a flagship product used globally.

Corporate support for personal growth and career development, provision of all necessary equipment, and benefits including medical package, Multisport, life insurance, and the internal Wellbeing program.

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