Senior Full Stack Developer

Job title:
Senior Principal Engineer (Level 5) (Senior Full Stack Developer)

Location:
Vasteras, Sweden

Assignment description

Senior Full Stack Developer

We are seeking an experienced Senior Full Stack Developer who will be instrumental in shaping our digital IoT platform and mentoring our development team in modern software practices and architectural excellence.

Our R&D engineers and scientists develop breakthrough technologies that change the way the world works, and industries do business. We constantly push the limits of convention, while retaining our focus on delivering quality products and solutions to our customers.

You will be working in an agile team setup in a Global Environment, with colleagues in Sweden cooperating with teams in Poland and India. You will report to the local department but also to the Global R&D functions for digital solutions in HVDC.

The team works in an agile way where all team members are expected to contribute with their knowledge and experiences to achieve the common goals for the development of the products. This means that the team does breakdown of activities together, collaborates within the team as well as seeks collaboration with other relevant teams in (and sometimes outside) the HVDC organization.

How You Will Make an Impact

• Contribute and lead parts of the architectural design and implementation of our digital platform, making key technical decisions for both backend and frontend solutions.
• Design, develop, and maintain scalable software systems that support analytics functions and asset monitoring solutions.
• Drive the implementation of modern DevOps practices and CI/CD pipelines to streamline development and deployment processes.
• Implement software solutions using .NET (including latest versions), React, and modern web technologies.
• Establish and enforce coding standards, conduct code reviews, and promote best practices across the development team.
• Coach and mentor other developers, sharing your expertise in full stack development and system design.
• Investigate and resolve complex software defects and performance issues.
• Collaborate with product owners, project managers, domain experts, and stakeholders to define technical solutions and prioritize features.
• Stay current with latest software development trends and technologies, introducing innovations that benefit the team.
• Work in a cross-disciplinary agile team, contributing to sprint planning, retrospectives, and continuous improvement initiatives.

Your Background

Required Qualifications:

Bachelor's degree or higher in Computer Science or equivalent field of study.

10+ years of experience in professional software development, with several years in senior or lead roles.

Proven track record of leading technical implementations and making architectural decisions.

Fluent in English and Swedish.

Technical Expertise:

Expert-level knowledge of C# and .NET ecosystem.

Deep expertise in modern frontend development with React, including state management.

Strong proficiency in TypeScript and JavaScript.

Extensive experience with RDBMS concepts and implementations.

Hands-on experience with ORM frameworks.

Solid understanding of API design patterns.

Experience with DevOps practices and tools.

Knowledge of secure coding principles and security best practices.

Experience with both Windows and Linux platforms.

Familiarity with cloud platforms (Azure preferred).

Highly Valued:

Experience with modern CSS frameworks.

Knowledge of message queuing systems.

Experience with real-time communication technologies.

Understanding of microservices architecture and distributed systems.

Experience building and maintaining component libraries and design systems.

Familiarity with search technologies/databases.

Knowledge of UI/UX principles and tools.

Experience with database migration tools.

Personal Qualities

We are looking for a solution-oriented team player who thrives in collaborative environments where knowledge sharing and innovation are encouraged. You should be passionate about building sustainable, maintainable systems with focus on clean code and best practices.

Description:

R&D Software development consists of requirement management, software design, Design reviews and functional verification. Besides meeting the functional requirements non-functional requirements such as cost, quality and time target shall be met. Work processes and associated tools are provided and the expectation is that processes are followed and provided tools are used unless other agreements are made.

Tasks and qualifications required extended beyond Senior and Principal Engineer.

In addition, the below minimum requirements of education and experience:

• Well documented (10+ years) experience in relevant Engineering field.

• On a national level unique competence relevant to the special q qualifications and requirements for the assignment.

• Other factors which can qualify is a post-graduate degree (Doctor degree) in a relevant area or other documented credentials.