Senior Product Engineer

Oliva is an employee mental wellbeing & coaching platform for companies that want to properly care for their people and support their growth.

By combining therapy courses, coaching, and team sessions—all led by top professionals—Oliva helps employees navigate various challenges, both big and small, at work and beyond.

We have secured funding from some of Europe's leading venture capital firms and top angels. We are now seeking a top-tier Senior Product Engineer to join us on this journey.

This is more than a job; it's an opportunity to make a meaningful impact in an industry that changes lives. The ideal candidate is an experienced Product Engineer who is passionate about our mission.

The role :

Help shape the future of mental well-being. Oliva offers a powerful toolkit combining AI and human coaching, enabling companies and individuals to perform at their best and thrive. Backed by leading European VCs and prominent angel investors, we seek an exceptional Senior Product Engineer to join our mission.

This role involves building technology that truly transforms lives. We're looking for an engineer motivated to reimagine how people and organizations reach their full potential. If you're driven to make a positive impact, keep reading.

As a Senior Product Engineer at Oliva, you'll be at the intersection of product innovation and advanced AI. You will play a key role in developing our mental health solutions, translating user needs and AI capabilities into scalable features. You will have ownership across the entire development process, from ideation and prototyping to deployment and iteration.

You will collaborate closely with product and design teams, acting as a technical voice in shaping our AI-powered features. Your work will span our full tech stack, directly influencing user experience and well-being.

Ideally, you will be based in Barcelona or London, but we are open to remote candidates within Spain or the UK who are willing to travel.

You will make an impact in the following areas :

• Architecting & Building Scalable Backends : Design and implement cloud-native backend systems (AWS Lambdas, PostgreSQL Aurora) supporting thousands of users, primarily using TypeScript, GraphQL (Nexus, Apollo Server, Relay), and FastAPI in Python.
• Developing Frontend Experiences : Use modern frameworks (React, React Native, NextJS) and design systems (TailwindCSS) to create high-performance, user-friendly interfaces in TypeScript.
• Integrating AI Capabilities : Explore and incorporate LLM APIs (OpenAI, Claude, open-source models) and frameworks (e.g., LangChain) for sophisticated AI interactions with memory, planning, and tools.
• Designing Data Flows : Use graph databases (e.g., Neo4j) to structure information for enhanced AI reasoning.
• Building Adaptive AI Systems : Develop systems that combine generative AI with real user data to create personalized experiences, using Python for AI integrations.
• Ensuring Data Privacy & Security : Maintain high standards of security and privacy to protect sensitive user data.
• Collaborating Cross-Functionally : Work with design and product teams to prototype, iterate, and align solutions with user needs and business goals.
• Ensuring Application Quality : Implement testing strategies (unit, integration, e2e with Jest, React Testing Library, Playwright) to ensure reliability and performance.
• Fostering Engineering Excellence : Promote a strong engineering culture through Agile practices, documentation, testing, and CI / CD.

Who You Are

You are a versatile Full-Stack Engineer with a proven track record of delivering high-quality software in production. You thrive in fast-paced, collaborative environments and are comfortable with ambiguity.

You have a strong interest in AI, especially LLMs, with experience exploring or experimenting with AI / ML tools (APIs, prototypes, open-source projects). You are eager to use these technologies to build meaningful, user-centric solutions.

You are motivated by creating products that positively impact mental well-being, not just another SaaS role.

Requirements :

Benefits :

Diversity & Inclusion

We actively encourage applications from underrepresented groups. We are committed to fairness and awareness in our hiring process. We welcome applicants regardless of age, ethnicity, sexual orientation, gender, religion, disability, background, or identity. Let us know if you need adjustments during the interview process.

Who we are

Oliva is a passionate team of engineers, designers, marketers, and psychologists, many of whom have experienced mental health challenges themselves. Our founders have led successful startups like TravelPerk, Typeform, Hotjar, and GetApp. We understand the importance of mental health and are dedicated to making a difference.

Note : Candidates must be based in the UK or Spain; we cannot sponsor visas at this time.

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