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      Urgent! Senior Backend Developer Job Opening In Leiria – Now Hiring BRAINR
Hey, we’re BRAINR.
      
At BRAINR, we’re reshaping how food factories operate.
We’ve built a next-generation, AI-powered cloud MES (Manufacturing Execution System), and we’re growing fast - powered by a €11M Seed Round.
Our platform helps food manufacturers manage everything from raw material reception to production planning, warehouse operations, and dispatch, with custom quality control and full traceability.
BRAINR connects people, machines, and sensors so that critical decisions can be made in real time - smarter, faster, and with greater impact.
The challenge
      
We’re looking for a Senior Backend Developer to join our team.
You’ll work on features that directly impact our customers, designing and evolving backend services that ensure reliability, performance, and scalability.
In this role, you won’t just be building APIs or optimizing systems, you’ll be collaborating closely with product managers, frontend developers, and designers to deliver end-to-end solutions that bring measurable value to food manufacturers using our platform.
This is a chance to have real ownership, influence technical decisions, and shape how our MES product grows at scale.
Key Responsibilities
- Design, develop, and maintain backend services in C# (.NET Core).
      
- Implement and consume REST APIs to ensure seamless integration across systems.
      
- Optimize performance, scalability, and security of cloud-based solutions.
      
- Collaborate with cross-functional teams (product, frontend, design, QA) to deliver features end-to-end.
      
- Apply software design principles (SOLID, DRY) and modern architectures (Domain-Driven, Event-Driven).
      
- Contribute to improving our engineering practices, code quality, and technical documentation.
      
- Stay up to date with industry trends and bring innovative ideas to the team.
      
      
      
      
      
      
What we’re looking for
      
- 5+ years of professional experience as a Backend Developer.
      
- Strong expertise in C# (10 or higher) and .NET Core (8 or higher).
      
- Experience building and maintaining RESTful APIs with ASP.NET Core.
      
- Knowledge of cloud environments (Azure or AWS) and monitoring tools.
      
- Solid understanding of OOP, software design principles, and distributed systems.
      
- Familiarity with event-driven architectures and messaging systems is a plus.
      
- Proactive, problem-solving mindset with attention to performance and security.
      
- Excellent English, both written and spoken.
Where we work
      
We work on-site, from our headquarters in Leiria.
We believe in the power of being together - especially when building something this ambitious.
Why BRAINR?
      
In addition to our exceptional people, culture, and mission, BRAINR offers a range of benefits that make it an outstanding place to work:
      
🎊 Enjoy an extra 2 days of paid time off.
      
🎉 Savings with corporate discounts through partnerships and special offers.
      
🎓 Learning and Development Program.
      
💻 Work with the latest AI tools and best-in-class tech stack.
      
👥 Team-building activities at least twice per year.
      
🕒 Flexible working hours that fit your routine.
      
🏋️ On-site gym facility.
      
🥪 Free lunch in our office restaurant every day.
Our hiring process
      
1.
Application review
      
2.
Intro call with our People team (30 min)
      
3.
Technical assessment
      
4.
Technical interview
      
5.
Final chat with team members or leadership
      
      
      
      
      
      
      
      
      
      
      
      
      
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Unlock Your Senior Backend Potential: Insight & Career Growth Guide
Real-time Senior Backend Jobs Trends in Leiria, Portugal (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Senior Backend in Leiria, Portugal using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 2564 jobs in Portugal and 9 jobs in Leiria. This comprehensive analysis highlights market share and opportunities for professionals in Senior Backend roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! BRAINR is currently hiring and seeking a Senior Backend Developer to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Senior Backend Developer Jobs Leiria.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at BRAINR adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Senior Backend Developer Jobs Portugal varies, but the pay scale is rated "Standard" in Leiria. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Senior Backend Developer typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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            Here are some tips to help you prepare for and ace your job interview:
Before the Interview:To prepare for your Senior Backend Developer interview at BRAINR, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the BRAINR's products or services and be prepared to discuss how you can contribute to their success.
By following these tips, you can increase your chances of making a positive impression and landing the job!
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