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Senior Backend Developer

OMRT.com

Office

Holland, Netherlands

Full Time

At OMRT, we're not just selling tech solutions, we're shaping the future of computational architecture and parametric design. We are looking for a motivated and dynamic Senior Backend Developer to enhance OMRT's backend development capabilities. The role offers a unique opportunity to take control of our tech stack, mentor junior team members, and grow alongside our company. As part of our team, you'll tackle diverse challenges in the real estate sector, working with cutting-edge technologies spanning 3D Geometry, Building Physics, Web Development, and application development. You will work on defining solutions for complex problems, laying a roadmap for other developers. In a nutshell, you will accelerate feature delivery and elevate code quality, directly contributing to the development of client-facing tools and overall business impact.

You'll report directly to our Head of Tech and collaborate closely with our Product and Studio teams to deliver robust and innovative products. Our mid-sized scaleup boasts a tech team of 11 members, including Frontend, Backend, DevOps, and Fullstack Developers, all dedicated to driving our success.

What You'Ll Do

You will bring fresh thinking, energy and mentorship to our team. What makes the role exciting is you get to build the technology behind client-facing tools. You learn not only on-the-job but you also get to implement unique solutions for challenges unforeseen in the real estate market. You get to work on different services that run behind our products. On a day-to-day basis, you will work in a product-specific sprint team consisting of 3-4 members. This sprint team consists of Product Managers, a Product Owner and Developers.

Responsibilities:

  • Design, build, and maintain efficient, reusable, and reliable code for server-side logic and databases.
  • Develop and manage RESTful APIs to ensure seamless communication between the server and client-side applications.
  • Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues to improve application performance.
  • Ensure the implementation of security and data protection measures, including authentication and authorisation protocols.
  • Participate in code reviews, provide constructive feedback, and collaborate with team members to maintain high code quality standards.
  • Utilise cloud services to implement cloud computing capabilities.
  • Actively participate in Agile/Scrum meetings, including sprint planning, daily stand-ups, and retrospectives.
  • Offer guidance and mentorship to junior developers, helping them to develop their skills and grow within the team

Requirements

We're looking for a candidate who brings extensive experience and passion to the team. Several years of professional experience in programming and software development are required, along with a profound understanding of back-end development, including REST APIs, Sockets, security, authentication, and databases. In this role, you will closely work with 3D geometry and physics engine such as OpenFOAM and radiance through shell scripting.. It is important that you've worked in Agile/Scrum environments and have thrived in fast-changing environments. Most importantly, a strong urge to create, experiment, and develop useful software is desired.

Education:

Bachelor’s Degree: Preferably in Engineering, Computer Science, or a related field is a must.

Advanced Degree: A Master’s degree in a relevant field is a plus; Artificial Intelligence, Computer Science or Data.

Certifications: Relevant certifications in cloud services (AWS, Google Cloud, Azure), or any relevant courses / bootcamps.

Experience:

  • Minimum 5-6 years of experience in Medium to Large companies.
  • Proven experience in building scalable software systems, preferably in B2C applications or B2B internal tooling. 
  • Experience in having worked in a product team is essential.
  • Experience in an international environment is a plus.
  • Your experience will help speed up the delivery process and provide valuable mentorship to the team.

Competencies:

  • Stakeholder management: Ability to self-manage time, prioritise and delegate tasks.
  • Technical proficiency: Strong foundation in engineering, architecture, and building physics.
  • Analytical skills: Ability to analyse complex data and derive actionable insights.
  • Programming: Knowledge of programming for tool improvement and automation.
  • Communication: Effective in conveying technical concepts to non-technical stakeholders.
  • Problem-Solving: Creative and proactive in identifying and resolving issues.
  • AWS - Batch, EC2, S3, Cognito, Sagemaker, Lamba, Gateway
  • Proactive: Takes initiative in learning and contributing to projects.
  • Stakeholder management: Ability to self-manage time, prioritise and delegate tasks.
  • Technical proficiency: Strong foundation in engineering, architecture, and building physics.
  • Analytical skills: Ability to analyse complex data and derive actionable insights.
  • Programming: Knowledge of programming for tool improvement and automation.
  • Communication: Effective in conveying technical concepts to non-technical stakeholders.
  • Problem-Solving: Creative and proactive in identifying and resolving issues.
  • AWS - Batch, EC2, S3, Cognito, Sagemaker, Lamba, Gateway
  • Proactive: Takes initiative in learning and contributing to projects.

Technical Skills:

  • Docker

  • Asp .Net C#

  • Python

  • Postgresql

  • Entity Framework

  • Containerisation

  • Nodejs

Personality Attributes:

  • Curious: Eager to learn and explore new areas of knowledge.
  • Detail-Oriented: Committed to accuracy and quality in all work.
  • Collaborative: Values teamwork and open communication.
  • Problem-solver: Enjoys solving complex problems and discussing solutions.
  • Innovative: Embraces change and seeks out new challenges and solutions.
  • Goal-Oriented: Focused on achieving project goals and continuous improvement.
  • Adaptable: Flexible and responsive to changing project requirements.
  • Competitive annual salary between €65-80K (including 8% vacation pay) depending on experience.
  • Curious: Eager to learn and explore new areas of knowledge.
  • Detail-Oriented: Committed to accuracy and quality in all work.
  • Collaborative: Values teamwork and open communication.
  • Problem-solver: Enjoys solving complex problems and discussing solutions.
  • Innovative: Embraces change and seeks out new challenges and solutions.
  • Goal-Oriented: Focused on achieving project goals and continuous improvement.
  • Adaptable: Flexible and responsive to changing project requirements.
  • Competitive annual salary between €65-80K (including 8% vacation pay) depending on experience.

Perks And Benefits

  • 15 days to work abroad per year.
  • Hybrid working (3 days in office; a Thursday mandatory).
  • Travel costs fully covered between home and office (OV card or per km reimbursement).
  • Pension fund and access to Vitality program.
  • A scale-up company where you can flourish, with plenty of opportunities for personal growth.
  • Newly renovated and spacious offices in Rembrandt Park, Amsterdam.
  • Fun during office hours & company outings.
  • 25 vacation days, with the option to buy an additional 5 days.
  • Employee wellness support, through OpenUp.
  • Daily lunch at our on-site restaurant, along with unlimited coffee, tea and healthy snacks in the office.

Why join us
At OMRT, we offer a fast-learning and dynamic work environment where you can significantly influence the company's strategy and future. In the past five years, we have evolved into a vibrant team of approximately 40 individuals from 20 different nationalities. Our office is a dynamic, motivating, and fun place to work, where no two days are the same. We are bold and a bit rebellious, always striving to set new industry standards. We value ownership, encourage risk-taking, and ensure you have the space to perform at your best in a fail-safe environment. If this is you, send us your application!

Senior Backend Developer

Office

Holland, Netherlands

Full Time

October 29, 2025

OMRT.com