Senior Full Stack Developer - Legal Tech (100% remote-friendly within Spain)

Who are we:

Were building the next generation of secure scalable and compliant systems that operate at a global scale. As a senior developer youll tackle complex engineering challenges from distributed systems and cloud-native architecture to privacy-first solutions using modern technologies and DevOps practices.

But its not just about the tech its about how we build together. We value collaboration curiosity and a culture of continuous learning. Youll be part of a supportive high-trust team where your voice matters your growth is encouraged and your work directly supports over 80 million patients and 130000 healthcare professionals across 13 countries.

About the role

This is not just another backend-heavy position its a chance to join a fast-moving learning-focused engineering team that owns products end-to-end. While your core strength is in .NET youll also have the opportunity to work across the stack and gain hands-on experience with technologies like PHP (Symfony) Docker and modern AI-powered development tools such as Cursor and GitHub Copilot. Youll face cross-functional challenges collaborate across disciplines and contribute to solutions that are both technically rewarding and impactful at scale.

What Youll Do

• Develop scalable backend systems using .NET (C#) with a strong focus on performance maintainability and compliance.

• Build user facing interfaces and internal tools using and TypeScript when working on full-stack features.

• Design and implement APIs and services ensuring high availability and robust integration with frontend and partner systems.

• DevOps practices: manage cloud infrastructure (primarily AWS) CI/CD pipelines deployment automation and monitoring.

• Ensure top-tier code quality including clean architecture strong documentation and rigorous testing practices.

• Work closely with product and legal teams to support business needs and compliance initiatives.

• Continuously improve the teams ways of working and technical stack.

• Optionally you can help the team to enhance existing PHP-based applications (Symfony) where needed.

Qualifications :

Youll Thrive in This Role If You:

• Have 5 years of experience in backend development (with a strong emphasis on .NET / C#) and backend best practices (DDD CQRS clean code testing)

• Have experience working with messaging systems or asynchronous communication patterns (e.g. RabbitMq)

• Have working knowledge of TypeScript and frontend best practices.

• Have practical experience with relational and NoSQL databases (e.g. MySql MSSQL MongoDB).

• Are skilled in DevOps principles CI/CD infrastructure-as-code and monitoring tools (e.g. Datadog ElasticSearch)

• Have practical experience with AWS (e.g. S3)

• Are proactive ask thoughtful questions and take ownership of your work.

• Communicate well in English (minimum B2 level).

• Care about user experience privacy and maintainable software design.

• You are open to work with(and learn) other frameworks.

Bonus Points If You:

• Are familiar with Vertical Slice Architecture

• Are comfortable working with or learning Symfony / PHP.

• Have experience in a DevOps culture or have built internal tooling.

• Know Docker and Kubernetes or similar container orchestration tools.

• Have worked in regulated industries (e.g. healthcare finance).

• Have experience building compliance or privacy-oriented applications

• Are familiar with AI-assisted development tools like GitHub Copilot Cursor or similar and use them to increase development efficiency and code quality.

Additional Information :

What will you get in return

Lets talk money

• A salary adequate to your experience and skills between 50000 and 67.000 euros. The range is broad so that we can accommodate our roles for all levels of experience but we will show you the career ladder to explain where we see your skills and impact within the company. Your salary will be now and always 100% transparent to you;
• Flexible remuneration and benefits system via Flexoh which includes: restaurant card transportation card kindergarten and training tax savings;
• Share options plan after 6 months of working with us.

True flexibility and work-life balance

• Remote or hybrid work model with our hub in Barcelona;
• Flexible working hours (fully flexible as in most cases you only have to be on a couple of meetings weekly);
• Summer intensive schedule during July and August (work 7 hours finish earlier);
• 23 paid holidays with exchangeable local bank holidays;
• Additional paid holiday on your birthday or work anniversary (you choose what you want to celebrate).

Health comes first 

• Private healthcare plan with Adeslas for you and subsidized for your family (medical and dental);
• Access to hundreds of gyms for a symbolic fee in partnership for you and your family with Wellhub;
• Access to iFeel a technological platform for mental wellness offering online psychological support and counseling. 

Keep growing with us

• 20% time rule: spend 20% of your working hours on personal development related to your role and collaboration with other teams;;
• Free English and Spanish classes.

We promote and embrace equal opportunities in our hiring process and also every day at work. When you apply for our roles you receive equal treatment regardless of age disabilities gender reassignment marital or civil partner status pregnancy or parental status race colour nationality ethnic or national origin religion or belief sex sexual orientation or any other dimension of human difference.  If you require additional support in your recruitment process we kindly encourage you to let us know. Behind those words youre reading theres a person (hi!) who already helped a candidate by adapting the interviews and now were lucky to have this person with us. So even if youve never asked for it before may this serve as a sign that now you can do so. We can only truly be equal if we adapt to each other.

We believe all humans in all their beautiful diversity should have equal rights dignity and respect. Period. Mariusz Gralewski  CEO