Senior .Net Engineer

Salary: 1200 - 1320 PLN/MD (B2B)

Work model: 100% remote (possible 2-4 business trips per year to the office in Poland or Norway)

Why choose this offer?

• Interesting and challenging projects, customer contact and close cooperation with various internal stakeholders

• Work with dedicated and competent colleagues with high education and specialization level in an international environment

• Space to innovate and learn more every day

• Impact on Safer, Smarter and Greener future

Project

We are looking for an experienced Senior .NET Developer to join the team and help develop and extend a custom workflow framework and digital platforms supporting safety, certification, and compliance processes in the maritime and industrial sectors. In this role, you will design and build scalable, event-driven microservices, develop modern frontend components, and contribute to pilot deployments and real-world validation in high-risk operational environments. You will work closely with cross-functional teams to deliver reliable, high-quality solutions that address complex industry challenges.

Expected competences and knowledge:

• Min. 5 years of experience with .NET 8.0 and C# development

• Hands-on experience with frontend development using React.js and/or StencilJS (Web Components)

• Solid understanding of event-driven architectures (Kafka, MassTransit)

• Experience working with relational and NoSQL databases (PostgreSQL, SQL Server, MongoDB)

• Proficiency in containerization and orchestration (Docker, Kubernetes, Helm)

• Ability to work independently in a dynamic, incubator-style environment with evolving priorities

• Strong diagnostic and problem-solving skills, including production issue resolution

• Experience collaborating directly with customers and cross-functional teams

• Familiarity with Agile methodologies, CI/CD pipelines, and technical documentation

• Good communication skills in English (min. B2 level)

Key Responsibilities:

• Extend and develop custom C# framework for workflow migration

• Build and maintain frontend components

• Writing technical documentations

• Extending automated tests framework

• Support pilot deployments with responsive issue resolution

• Collaborate with stakeholders to validate solutions against business requirements

• Balance evolving pilot priorities with ongoing development work

Technologies you'll work with

• .NET/ C#

• React.js

• Kafka

• Azure

• PostgreSQL

• Docker

• Kubernetes

Client – why choose this particular client from the Jit portfolio?

Our Client has been in the business of providing safety and insurance for the maritime industry for over 160 years and is now the leading provider of security certification and audits. They offer a wide range of digital projects to increase safety and compliance with standards in industrial fields. Our Client's solutions are used in the maritime industry, from raw materials extraction, to anywhere else where there is a need for quality and compliance with norms and standards. We have been working with our Client since 2013, creating and maintaining applications that are utilized in high-risk areas like rigs, mines, and police units, striving to make the world a safer place. Our Client's commitment to safety, ecology, and quality, which has its roots in Scandinavian culture, is implemented on a global scale. 

About the company

The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of the company is people, which is why we prioritise you. We employ over 770 experienced experts, to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams.

Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.