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Fullstack Developer (m/f/d) - C#/.NET & AngularJS

stp.one | Simplify Legal Work

Roles & Responsibilities

  • Extensive professional experience as a Fullstack Developer with a focus on modern technologies and architectural approaches
  • Strong expertise in C# / .NET (Backend) and Angular + AngularJS (Frontend)
  • In-depth knowledge of cloud platforms (AWS)
  • Fluency in English (written and spoken)

Requirements:

  • Independently implement complex development projects and user stories
  • Provide technical guidance on design and architecture and collaborate with the team in agile methodologies
  • Develop clean, efficient, and well-documented code with comprehensive unit testing
  • Mentor and support software engineers, fostering knowledge sharing and professional growth

Job description

Short description
We are looking for a Fullstack Developer to join the team working on our product Amberlo, our cloud-based Legal Practice Management platform used by law firms across Europe.
You will work in an international engineering team developing and improving a modern SaaS application built on the Microsoft stack with an AngularJS frontend, hosted on AWS.

If you enjoy building software that solves real problems and working in a collaborative, international team, we would love to hear from you.

Your workplace / location:
Work at one of our offices in Germany or Bulgaria, or remotely from anywhere in Germany / Bulgaria.
Your mission
  • Independently implement complex development projects and user stories
  • Provide technical guidance on design and architecture, refine user stories and tasks, and execute them using agile methodologies in close collaboration with the team and the Technical Lead
  • Develop clean, efficient, and well-documented code in accordance with best practices
  • Conduct code reviews and ensure high code quality through comprehensive unit testing
  • Mentor and support software engineers, fostering knowledge sharing and professional growth
  • Analyze, troubleshoot, and resolve technical issues throughout the entire development lifecycle
  • Create and maintain technical documentation and design specifications

Our Tech Stack
  • Frontend: Angular, AngularJS
  • Backend: .Net/ C#, Microsoft ecosystem
  • Infrastructure: AWS
  • Methodologies: Scrum, Scaled Agile, Pair Programming
  • Tools: Visual Studio Code, GitHub Copilot, Claude Code, Azure DevOps, Git

Your profile
  • Extensive professional experience in software development as Fullstack Developer with a focus on modern technologies and architectural approaches
  • Strong expertise in C# / .NET (Backend) and Angular + AngularJS (Frontend)
  • In-depth knowledge of cloud platforms (AWS)
  • Experience working with Git and modern development workflows
  • Ability to work in agile development environments
  • Strong collaboration skills and openness to knowledge sharing
  • Comfort working with existing codebases and asking questions when needed
  • Fluency in English, both written and spoken

Nice to have
  • Experience in LegalTech or software used by law firms
Your team
You will work in a distributed international, english-speaking team, currently consisting of 8 developers and 2 QA engineers working across Germany, Belgium, Bulgaria and Lithuania.

We value collaboration and transparency: we actively avoid silos and encourage developers to support and learn from each other.
Application process
  • Digital Get-to-know: In a 20-minute conversation with our recruiter, we’ll discuss mutual expectations.
  • Digital Interview: Next, you’ll meet our Director of Engineering and dive deeper into technical topics and the role itself.
  • On-site Interview & Team Introduction: You’ll visit us on-site, where we’ll conduct a technical deep dive based on an example together with one of our team members. In addition, you’ll have the opportunity to gain more insights into our work environment and meet more colleagues.
Benefits
Our full benefits & perks are explained in our recruitment process, but on our career site you will have a good overview: https://www.stp.one/en/careers. As a european company, each country works differently, but some benefits/perks are for all employees: 
  • Learning & Development budget
  • Employee referral bonus
  • Mobility: company bikeleasing, support in public transportation
  • Workation: up to 30 days per year within EU
  • Workplace glasses
  • Tax-free benefits
  • Events & Company celebrations (summer party, annual kick-off,..)
  • Flexible work models
  • English courses for all levels
Contact details
If you have any questions, feel free to reach out to our recruiter:

Alexandra Ferschke 
E-Mail: jobs@stp.one
Apply for this job
About us
Sharing Trust and Passion for Unity
One Team. One Mission: We are stp.one and together we simplify legal work. 
In our industry, we have the opportunity to drive innovation every day. The great ideas of our colleagues ensure that we are shaping the AI-driven future of legal tech. You can help our clients to be successful and enable smart digital experience. Across various locations, all of us - over 400+ colleagues - collaborate with purpose, creativity, and passion to redefine how legal professionals work.

At stp.one everyone has a voice. We believe in the strength of diversity and are proud to bring together people from different backgrounds, skill sets, and walks of life - because it’s these unique perspectives that drive innovation and success.


Your impact matters
Join us in our journey to become the market leader across Europe. Be yourself, thrive in a supportive environment, and take pride in being a key player in our success story. Discover the difference you can make in an organization that values you as an individual and as an essential part of our thriving community.

What our People can expect 
At stp.one, we’ve created a workplace that values your individuality and your contribution. We foster diversity and we know that everyone has different preferences and needs. Therefore, we ensure that our people have choices to maintain the best work-life-fit. Enjoy the perks of working from anywhere or from an innovative workspace, workcation experiences, and continuous learning.

Join stp.one 
Our focus goes beyond innovative software solutions, we believe in the power of our people to shape the future of legal tech and the digital economy. We amplify each other and forge trust sharing knowledge, offering encouragement, celebrate our team effort and cherishing our differences: stp.one is where your unique journey meets professional growth.
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