Senior Software Engineer, AI Platform (100 remote-friendly within Spain)

Docplanner; Barcelona; Híbrido; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading healthcare tech firm is seeking a Senior Software Engineer to design scalable AI systems. Responsibilities include building internal tools and ensuring the reliability of AI infrastructure. Ideal candidates have software engineering backgrounds in Python and experience with distributed systems. The position offers flexible work arrangements including remote work from Barcelona.

Servicios

Flexible remuneration and benefits

Share options plan

Remote or hybrid work model

Private healthcare plan

Access to gyms for a fee

Free English classes

Formación

• Strong software engineering background with Python preferred.
• Experience with distributed systems managing services at scale.
• Experience in building or deploying ML solutions like model evaluation.

Responsabilidades

• Design and implement scalable systems for AI Agents.
• Build internal tools empowering product teams.
• Ensure reliability and cost efficiency of AI infrastructure.

Conocimientos

Python

C#

PHP

Distributed systems

Machine Learning

Data pipelines

English fluency (B2+)

Herramientas

GCP

AWS

Azure

Descripción del empleo

Overview

Company description: Welcome to the good side of tech. Znanylekarz experience and Docplanner Tech narrative are included to show scale and impact. We are a diverse group of engineers, data and product professionals, working to make the healthcare experience more human. We are 100% remote-friendly and encourage you to bring your whole self.

We are leaders in 13 countries, with over 90 million patients trusting us every month, 300,000+ specialists believing in our product, and over 2,500 employees worldwide.

Docplanner Tech fits as a diverse, global engineering organization responsible for building the product for all locations. The AI Platform team is part of the Internal Platform area and currently comprises a small but growing team dedicated to AI infrastructure and products.

Area of Work

We are laying the groundwork for the future of AI at Docplanner — scalable systems, multi-agent architecture, MCP servers, and seamless integration into our products. We are looking for a Senior Software Engineer with a strong software engineering background and AI engineering experience to join the team.

The AI Platform team is accountable for two main objectives:

• Designing, building and maintaining the company's AI infrastructure, ensuring high availability, scalability, security and cost efficiency.
• Adopting new technologies like MCP and A2A.

Challenges include a dynamic environment with rapid changes, working with multiple technologies (C#/.NET for backend; Python for AI projects) and a large distributed system with many services.

What you’ll do

• Design and implement scalable systems for AI Agents, MCP, and emerging architectures.
• Adopt new technologies coming up with AI.
• Build internal tools that empower product teams across Docplanner.
• Ensure reliability, security, and cost efficiency of AI infrastructure.
• Work cross-functionally to accelerate AI adoption in our products.

Qualifications

You’re likely a great fit for this role if you...

• Strong software engineering background (Python preferred; C#, PHP experience a plus).
• Exposure to distributed systems and managing services at scale.
• Experience building or deploying ML/LLM solutions (e.g., fine-tuning, RAG pipelines, model evaluation, production APIs).
• Understanding of software architecture and engineering best practices (REST, SOLID, GIT, CI/CD, DDD, TDD, Clean, Agile, etc.).
• Familiarity with data pipelines, model orchestration, and prompt engineering.
• Growth mindset and comfort in a fast-changing environment.
• English fluency (B2+).

Nice to have

• Experience with AI/ML tools (LangChain, LlamaIndex, etc.).
• Knowledge of RAG pipelines and MLOps practices.
• Cloud platform expertise (GCP, AWS, Azure).
• Exposure to other OOP stacks (.NET, PHP).

Nobody ticks all those boxes above, but willingness to learn is strongly valued here!

Compensation & Benefits

Compensation structure

• A salary adequate to your experience and skills.
• 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; typically a couple of meetings weekly).
• Summer intensive schedule in July and August (7 hours days, finish earlier).
• 23 paid holidays, with exchangeable local bank holidays.
• Additional paid holiday on your birthday or work anniversary.

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

Keep growing with us

• Free English classes.

Equal opportunity statement

We promote and embrace equal opportunities in our hiring process and at work. You will receive equal treatment regardless of age, disabilities, gender reassignment, marital or civil partner status, pregnancy or parental status, race, color, 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 are committed to adapting interviews to individual needs and ensuring an inclusive process.

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