Software Engineer

Are you ready to help transform the maritime fuel industry through innovative technology? Join AuctionConnect as we scale our digital auction platform that is transforming bunker fuel procurement for the global shipping industry. We are seeking a Software Engineer who is committed to building robust, scalable systems and enjoys collaborating in a supportive, growth-oriented environment.

Your Team

You will join a growing Product Development Team, working alongside experienced sales and product colleagues, and reporting directly to the Head of Engineering as a key member of the team. Together, you will be responsible for developing and implementing innovative solutions that address the complex challenges of bunker trading, fuel supply, and risk management for our global shipping clients. Our team blends local skills with international perspectives, promoting a collaborative, agile environment where technical excellence and innovation are at the core. This is your opportunity to help shape the technical direction of a platform that is redefining the maritime industry.

Quality and Collaboration-driven Developer

As a Software Engineer, you will play a vital role in advancing innovation and delivering customer value by implementing engineering best practices in an agile environment. You will contribute to shaping our technical architecture, collaborate with team members, and support a positive, cooperative work environment. Your technical proficiency will be instrumental in ensuring our platform scales effectively to meet the demands of the global maritime fuel market.

More specifically, your responsibilities include:

• Write clean, maintainable, and efficient code using .NET and React.
• Participate in building scalable and secure features for our auction platform.
• Collaborate with team members in code reviews and knowledge sharing.
• Assist in troubleshooting and resolving technical issues.
• Follow established testing practices and work with CI/CD pipelines.
• Support continuous improvement of development processes and tools.

Engineer with Modern Technology Proficiency

We are looking for a software engineer with a demonstrated ability to deliver impactful projects and a commitment to building systems that create real business value. You understand the importance of balancing technical excellence with pragmatic delivery in a results-oriented environment.

Additionally, you have the following qualifications:

• 2-5 years of experience in software development.
• Proficiency with React, .NET, and familiarity with Azure cloud services.
• Working knowledge of SQL and NoSQL databases.
• Understanding of CI/CD, DevOps basics, and security best practices.
• Exposure to Agile/Scrum methodologies and software design principles.
• Interest in learning, collaborating, and taking on increasing responsibility.
• You demonstrate a high level of English, spoken and written

What We Offer

When joining AuctionConnect, you will have the opportunity to grow professionally in a supportive environment that values learning, collaboration, and long-term development. We offer a flexible work culture that allows remote work while promoting meaningful in-person collaboration when it matters most.

Furthermore you get:

• Mostly remote work with occasional visits to our Porto office for in-office collaboration when necessary.
• Salary reflective of your experience and the Porto market standards.
• Health insurance coverage for you and your family to support your overall well-being.
• Monthly meal allowance to support your daily needs.
• Training and learning opportunities to encourage personal and professional development.
• A diverse, international team environment that values innovation and collaboration.

We are looking to fill the position as soon as possible, so if you see yourself thriving in taking on the above-mentioned tasks, we look forward to receiving your application. Applications and CVs are reviewed on an ongoing basis, and we reserve the right to remove the advertisement when we find the right candidate. Please note there may be prolonged response times over the Christmas Holidays.

If you have any questions regarding the position, you are welcome to contact Head of Engineering & Site Lead Daniel Costa at

We are looking forward to receiving your application.

About AuctionConnect

AuctionConnect is transforming the way bunker fuel is procured by bringing transparency, efficiency, and measurable cost savings to an industry that has long relied on tradition. Our digital auction platform is trusted by leading players across the maritime world, delivering real value through innovative technology. Having secured a solid position in the market, we are now ready for considerable growth and expansion, and we need talented engineers to help us scale our impact globally