Senior Backend Engineer, Integrations Team (100% remote-friendly within Spain)

Team Vision and Mission
The Go-To-Market (GTM) Integrations Team powers Docplanners growth by building and maintaining secure scalable APIs and services that connect our healthcare systems with external platforms. We enable providers and partners to integrate with third-party systems to exchange doctor availability and appointments and to access our latest products leveraging AI to increase doctor efficiency.
We prioritise efficiency performance observability and high-quality support while handling millions of requests making integration with Docplanner smooth reliable and impactful.

About the Role

We are looking for a Senior Backend Engineer with 8 years of experience across multiple modern programming languages to join our GTM Integrations Team. You will design and deliver public APIs and integration tools that extend Docplanners platform to third-party providers.

Were seeking engineers who are language-agnostic with strong fundamentals in scalability reliability observability and software design. The ideal candidate is passionate about solving complex challenges and building robust maintainable systems that can grow and adapt over time

Why Our Team

Joining the GTM Integrations Team means becoming part of a group that is shaping the future of healthcare connectivity. We build APIs and services that handle millions of requests every day ensuring doctors patients and partners can interact seamlessly across platforms. Our work enables innovations like AI-powered doctor services to improve their efficiency as well as integrating with third-party health care systems. We value innovation scalability and reliability but above all we care about creating technology that makes a real impact on peoples lives. 

In our team youll find a collaborative environment where your ideas matter your growth is supported and your contributions directly influence the healthcare journey of millions worldwide.

Key Responsibilities:

• Design develop and maintain backend solutions with a focus on scalability reliability and observability.
• Develop optimize and maintain public APIs for healthcare system integrations.
• Ensure high performance and robustness in high-traffic mission-critical environments.
• Collaborate with product managers designers and stakeholders to deliver well-designed maintainable solutions.
• Promote agile practices CI/CD and DevOps culture within the team.
• Contribute to code reviews automated testing and comprehensive documentation.
• Support integration partners with reliable tooling and strong developer experience.
• Explore and integrate emerging technologies including AI/ML where relevant to backend systems.

Qualifications :

Youre a Great Fit for This Role If You Are:

• A senior backend engineer with deep expertise in designing and building highly scalable reliable and observable systems.
• Comfortable working across multiple modern programming languages.
• Curious collaborative and thrive in cross-functional teams.
• Passionate about creating backend architectures that perform under high load recover gracefully from failures and provide clear insights through observability.
• Committed to clean testable and well-documented code that supports long-term maintainability.
• Excited to tackle complex technical challenges at scale and make strategic system design decisions that enhance overall reliability and performance.

What Will Help You Thrive

• 8 years of experience designing and building scalable backend systems.
• Strong expertise in designing distributed systems async programming and service-oriented architectures.
• Hands-on experience with message brokers queues or event-driven systems (e.g. RabbitMQ Kafka).
• Solid knowledge of database design and optimization (SQL NoSQL).
• Familiarity with cloud-native practices containerization (Docker) and orchestration (Kubernetes).
• Strong grasp of software engineering best practices (SOLID DRY testing CI/CD).
• Proficiency in English (B2) for effective collaboration.

Additional Information :

Lets talk money

• 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. 

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