Senior Developer

About the Position

As a Senior Developer, you will participate in the entire application lifecycle; optimizing and refactoring existing codebases, enhancing the performance of critical applications, and building readable, maintainable, and performant code using the best software practices. You'll be a technical reference for the team, guiding junior developers and helping implement new features and functionality into our product.

You'll join Team AO Ops. This team is responsible for the bedrock of our software: the core accounting domain. The team's mission is to ensure Nmbrs Accounting's financial engine remains rock-solid, highly performant, and exceeds our users' expectations every single day.

Responsibilities

• Feature development & integration: Work on implementing new features, APIs, system integrations, and data interfaces (with external parties or Visma solutions), ensuring they're efficient, robust, and aligned with user/system needs.
• Code optimization: Optimize and refactor existing codebases, focusing on improving performance, readability, and maintainability.
• Performance enhancement: Optimize business-critical applications for maximum speed and scalability under heavy system load.
• Mentoring & coaching: Provide guidance, peer reviews, and support to less experienced team members, helping them improve their technical skills and grow professionally.
• Team collaboration: Work closely with cross-functional team members and technical stakeholders, fostering effective communication to achieve project goals.

Requirements

• At least 4 years of experience as a back-end developer using.NET technologies (VB.NET/C#).
• Experience coaching and mentoring junior developers (e.g. peer reviewing, sharing best practices).
• Strong experience with relational database engines (MSSQL), and with API development (HTTP, REST,.NET Web API).
• Experience with Agile methodologies (Scrum), and with Azure DevOps and/or GitHub.
• An autonomous, analytical mindset and strong organizational skills.

We Offer

• Personal development: A generous training budget, available directly after your probation period, for specialized certifications, courses, and training to solidify your technical expertise.
• Time off and flexibility: 28 vacation days (and the option to buy 5 extra days), plus the possibility of Workation: up to 5 weeks per year of remote work.
• Well-being & focus: Access to lifestyle coaches, healthy lunches, and other initiatives that contribute to your well-being and focus, including the possibility to lease a bike via Lease-a-Bike.
• Financial security: A base salary between €4.500 - €6.000, depending on seniority. Plus attractive benefits, such as full pension coverage.
• Optimal workplace: The best hardware, including a home-office budget to set up your remote workspace.
• Plenty of opportunities: Enjoy the speed and autonomy of an innovative software collective, backed by the stability, vast resources, and global career network of the Visma Group.
• Team & culture: Participate in (international) team-building days and other Nmbrs events that strengthen the close team spirit in a diverse and international environment.

Apply directly

1. Apply: Apply now! We will contact you as soon as possible.
2. Get to know us: Meet us through our Talent Acquisition Team.
3. First interview: Take a deep dive with the Tech Lead and SDM.
4. Technical interview: Prepare a take-home assessment and discuss your answers with our Technical team.
5. In-office interview: Meet our People & Culture Manager and Software Development Manager.
6. Offer: If we see a match - you'll receive an offer!

Contact

Huib Heikens

Talent Acquisition