Junior Developer - Custom Development
Semco Maritime
Company Overview
Semco Maritime A/S
Esbjerg, Denmark
1888
Approximately 1,300 employees and a revenue of $296.6 million in 2023 (source: zoominfo.com).
What They Do
Semco Maritime focuses on engineering, construction, and services in both conventional energy, including oil and gas, as well as renewable energy, particularly offshore wind. The company offers specialized solutions such as wind farms, fire suppression systems, telecommunications/IT, and mobilization services. Additionally, they provide engineering studies, projects, installation/commissioning, as well as maintenance and decommissioning of offshore assets, making them a versatile player in the energy sector (source: europeanjobdays.eu). Semco Maritime serves global energy markets and has a geographical presence in Denmark, the UK, Norway, Vietnam, Singapore, Montenegro, West Africa, and the North Sea (source: cbinsights.com). Their products and components support offshore assets, including electrical installations and valve maintenance, and they utilize a portable concept called "shipyard in a box" for flexible setups at customer locations (source: zoominfo.com).
Projects & References
Semco Maritime has completed a number of notable projects, including upgrades of drilling rigs and offshore work in Denmark, Norway, the UK, Singapore, Montenegro, and West Africa over the past 30 years. Among the ongoing major projects is the Mayflower Wind project in the USA, which commenced in January 2020 and is the company's largest order to date (source: semcomaritime.com). The company has also secured important contracts with clients such as TotalEnergies, including a 5-year contract for labor and construction services on Danish North Sea installations (source: zoominfo.com).
Recent Developments
In the past two years, Semco Maritime has secured a 5-year contract with TotalEnergies for Danish North Sea installations, which took effect in November 2022 (source: zoominfo.com). On April 12, 2023, they entered into a strategic partnership with BlueNord ASA, supporting a license application for the Elly-Luke gas field in the Danish North Sea (source: zoominfo.com). Furthermore, David C. Hutchinson was appointed as CEO and UK Country Head for Semco Maritime Ltd. on October 13, 2022, based in Aberdeen to drive growth in the UK (source: zoominfo.com).
Working There
Semco Maritime offers a wide range of roles in project management, engineering, design, construction, service, and maintenance. They have recently advertised positions in the UK, including Service Coordinator and Senior Planning Engineer, indicating active recruitment in Grimsby as well as likely in Esbjerg and Aberdeen (source: europeanjobdays.eu). The company culture emphasizes a cohesive team of highly skilled individuals working in a non-hierarchical environment, providing employees with freedom and responsibility (source: europeanjobdays.eu). Specific benefits are not documented in the available sources.
Contact
Last updated on 2025-12-27 | Report an issue
Are you ready to start your career where your code makes a real impact? At Semco Maritime, we don't just write software - we engineer the future of energy. This is your chance to learn, grow, and work on projects that power offshore platforms, enable renewable energy, and transform the industry. If you want a role where you'll gain hands-on experience with cutting-edge technologies, this is it.
Your Position
You will have the opportunity to learn from experts by working alongside experienced developers and architects who will mentor you throughout your journey. You will work with modern technologies, including Azure cloud-native solutions, microservices, event-driven architecture, AI-driven enhancements, and contemporary front-end frameworks. Your growth will be supported through dedicated training and involvement in real-world projects, enabling you to develop rapidly. Your contributions will have a tangible impact, supporting global energy projects ranging from offshore wind farms to defence and transitional energy initiatives.
At Semco Maritime safety is a core value, and in this role, you will contribute to maintaining and promoting a strong safety culture while delivering innovative solutions. Above all, your work will make a real change for the global energy sector.
Your place of work will be at our Global HQ located in Esbjerg, the hub of the Danish energy industry, right on the waterfront - views do not get any better than this. The position is full-time, and you can expect up to travel 10 days per year.
Your Tasks & Responsibilities
- Assist in building full-stack applications that are scalable, secure, and cloud-native
- Learn to design modern architectures: microservices, domain-driven design, and clean code principles
- Support integration development using API-first principles and event-driven patterns
- Gain experience in secure coding practices and compliance standards
- Explore automation: testing, CI/CD pipelines, and observability
- And yes - we work with AI, and you'll learn how to use it to enhance solutions
Your Profile & Qualifications
As part of Semco Maritime's IT organization, you will partner with business stakeholders to design and deliver applications optimizing processes and enabling business-critical outcomes, so teamwork capabilities are important. We work in an agile setup with regular ceremonies to ensure transparency, predictability, and continuous improvement. You'll collaborate with developers in Esbjerg, Denmark, and colleagues around the globe.
To succeed in the role, we are hoping to see:
- A 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 is motivated by solving complex problems
- A curious mindset, eagerness to learn, and commitment to quality
- Fluency in English is a requirement. Fluency in Danish is a plus.
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About the role
January 16, 2026
Full Time
Company
January 16, 2026
On-site
- Esbjerg, Denmark
Recent graduate
UTC+01:00
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