I T

Junior Developer – Custom Development

Esbjerg
Company: Semco Maritime
Published Jan 08, 2026

Role highlights

Contract type

Full Time

Schedule

Permanent

Experience

Junior

Work style

On-site

Key skills

This Junior Developer role focuses on custom development within the energy sector, offering an excellent opportunity for recent graduates in Computer Science, Software Engineering, or related fields. Candidates should have foundational knowledge of .NET (C#) and at least one modern front-end framework, demonstrating an understanding of full-stack development principles. The position emphasizes learning and applying cloud-native technologies, particularly Microsoft Azure, with exposure to microservices architecture, event-driven design, and domain-driven design concepts. There is a strong focus on secure coding practices, API-first integration, and adherence to compliance standards. The role encourages familiarity with automation tools including testing frameworks, continuous integration/continuous deployment (CI/CD) pipelines, and observability solutions. Additionally, candidates will gain experience incorporating AI enhancements into software solutions. Working within an agile environment, the developer will benefit from mentorship by experienced architects and developers, promoting clean code principles and quality-driven development. The position involves contributing to global projects in offshore energy, renewables, and transitional energy initiatives, supporting a safety-conscious and sustainability-focused culture. Fluency in English is required, with Danish language skills considered advantageous. The role is based at the company’s headquarters in Esbjerg, Denmark, with limited travel. Overall, this position suits a motivated junior developer eager to build expertise in modern cloud technologies, scalable software architectures, and energy sector applications while developing strong problem-solving skills and a collaborative mindset.

#Software Developer #Frontend Developer #Backend Developer #Junior Developer #Full Stack Developer #Cloud Developer #Application Developer #.NET Developer #Junior Programmer #Junior Software Engineer

About the role

Role Summary

  • Start your career where your code impacts the future of energy
  • Work on projects powering offshore platforms, enabling renewables, and transforming the industry
  • Learn from experienced developers and architects through mentorship
  • Use modern technologies: Azure cloud-native solutions, microservices, event-driven architecture, AI enhancements, and contemporary front-end frameworks
  • Participate in real-world projects with dedicated training and rapid development opportunities
  • Contribute to global energy projects, including offshore wind farms, defence, and transitional energy initiatives
  • Promote and maintain a strong safety culture
  • Location: Global HQ in Esbjerg, Denmark (waterfront location)
  • Full-time position with up to 10 travel days per year

Responsibilities

  • Assist in building scalable, secure, cloud-native full-stack applications
  • Learn to design modern architectures: microservices, domain-driven design, clean code principles
  • Support integration development using API-first and event-driven patterns
  • Gain experience in secure coding practices and compliance standards
  • Explore automation: testing, CI/CD pipelines, observability
  • Learn to use AI to enhance solutions

Requirements

  • Recent graduate in Computer Science, Software Engineering, or similar
  • Familiarity with .NET (C#) and at least one front-end framework
  • Interest in cloud technologies, API design, and agile development
  • Enjoys challenges and solving complex problems
  • Curious mindset, eagerness to learn, and commitment to quality
  • Fluency in English (Danish is a plus)

Nice to Have

  • Fluency in Danish

Benefits

  • Join a community of over 2,300 dedicated professionals in the energy industry
  • Work in an agile setup with global collaboration
  • Opportunity to make a real impact on the global energy sector
  • Commitment to safety and sustainability

How to Apply

  • Apply as soon as possible via the Semco Maritime career page
  • For questions, contact Johnny Christensen, Manager, Custom Development at +45 42 65 90 62
  • Please mention in your application that you found the job at Jobindex

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