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

Docplanner; Barcelona; A distancia; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A healthcare technology firm in Barcelona is looking for a Senior Backend Engineer to design and deliver scalable APIs and integration tools. The ideal candidate has over 8 years of experience in backend engineering across multiple programming languages. This role offers a remote-friendly work model, flexible working hours, and multiple health and wellness benefits, including a private healthcare plan.

Servicios

Flexible remuneration and benefits system

Share options plan after 6 months

Private healthcare plan

Access to gyms and mental wellness support

Formación

• Deep expertise in designing and building highly scalable backend systems.
• Comfortable working across multiple modern programming languages.
• Excited to tackle complex technical challenges at scale.

Responsabilidades

• Design, develop, and maintain backend solutions focused on scalability and reliability.
• Develop, optimize, and maintain public APIs for healthcare system integrations.
• Support integration partners with reliable tooling and strong developer experience.

Conocimientos

Scalability

Reliability

Observability

Backend architecture

Curiosity

Collaboration

Educación

8+ years of experience in backend engineering

Herramientas

Docker

Kubernetes

RabbitMQ

Kafka

Descripción del empleo

Overview

Company: Docplanner Tech

We are a diverse group of over 400 people in Engineering, Data, and Product who build the product for all locations. We are 100% remote-friendly and welcome new team members with joy and excitement.

We are leaders in 13 countries, with 90+ million patients trusting us every month, 300,000+ specialists, and backing from leading venture capital funds. We are a global team employing over 2,500 people while keeping a startup mindset.

We believe in making the healthcare experience more human and in empowering employees to be themselves. We embrace diversity and offer remote-friendly arrangements, including flexible work options.

Let’s talk about the role within the GTM Integrations Team

Job Description

The Go-To-Market (GTM) Integrations Team powers Docplanner’s growth by building 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 prioritize efficiency, performance, observability, and high-quality support while handling millions of requests to ensure integration with Docplanner is smooth, reliable, and impactful.

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 Docplanner’s platform to third-party providers.

We are 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 shaping the future of healthcare connectivity. We build APIs and services that handle millions of requests daily, enabling seamless interaction across platforms for doctors, patients, and partners. We value innovation, scalability, and reliability and aim to create technology that makes a real impact on people’s lives. You’ll find a collaborative environment where your ideas matter, your growth is supported, and your contributions 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

• You’re 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.

What We Offer

• Flexible remuneration and benefits system via Flexoh, including restaurant card, transportation card, kindergarten, and training tax savings;
• Share options plan after 6 months of employment.

Benefits and Work Model

• Remote or hybrid work model with a hub in Barcelona;
• Flexible working hours (often only a couple of meetings weekly);
• Summer intensive schedule in 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.

Health and Wellness

• 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 with Wellhub;
• Access to iFeel, a platform for mental wellness offering online psychological support and counseling.

Equal Opportunity

We promote and embrace equal opportunities in our hiring process and daily work. You will 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, please let us know. We aim to adapt to each other to be genuinely equal.

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