We are looking for a Full Stack Product Engineer to help build and evolve the user-facing product functionality used to configure, manage, and monitor integrations and connected business workflows.
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This is a Type Script-first full stack role working across both frontend and backend development.
The primary technologies are Angular on the frontend and Nest JS on the backend.
The role is currently somewhat frontend-heavy due to ongoing modernisation work, but the intended long-term balance is full stack ownership across frontend and backend concerns.
This is not a pure visual frontend role, nor a backend-only platform role.
You will work on product functionality end-to-end: user interfaces, application logic, backend services, API integration, maintainability, and product behaviour.
You will join a small, pragmatic engineering team where engineers are expected to take ownership, communicate clearly, collaborate across locations, and help shape practical solutions.
Key Responsibilities Develop and maintain product functionality for configuring, managing, and monitoring integration workflows.
Build and improve Angular frontend features, application flows, and user-facing product behaviour.
Develop and maintain backend services and APIs using Nest JS and Type Script.
Work across frontend and backend boundaries to deliver features end-to-end.
Help modernise legacy code and reduce technical debt while continuing to deliver product functionality.
Improve maintainability, scalability, and developer experience in the codebase.
Debug and troubleshoot product behaviour across frontend, backend, and API boundaries.
Collaborate with a small engineering team to clarify requirements, make tradeoffs, and shape solutions.
Contribute to pragmatic engineering standards, architecture discussions, and development workflows Use modern development tooling, including AI-assisted tools where useful and appropriate.
Candidate Profile Required Qualifications Professional experience with Type Script.
Experience building frontend applications with Angular.
Experience building backend services or APIs using Nest JS or similar Node.js frameworks.
Comfortable working across frontend and backend concerns in a full stack environment.
Practical understanding of APIs, data flow, validation, and product-facing service logic.
Good understanding of REST APIs.
Familiarity with JSON; XML.
Familiarity is helpful given the integration domain.
Ability to build maintainable, readable, and scalable application code.
Product-minded engineering approach, with attention to user workflows and usability.
Ability to collaborate effectively in a small team and communicate clearly across locations.
Good English communication skills, with willingness to continue improving toward a fully professional level Based in the Barcelona area and willing to commute to the office in Barcelona Must have the legal right to live and work in Spain, preferably on a permanent basis Preferred Qualifications Experience with Nx in a monorepo environment.
Experience with Type ORM or similar ORM libraries.
Experience with Java using Spring Framework Experience working with Git Lab and Git Lab CI/CD pipelines.
Experience with component-based frontend architecture.
Experience contributing to frontend modernisation or refactoring initiatives.
Experience working on product functionality involving workflows, configuration, monitoring, or connected systems.
Familiarity with observability, logging, debugging, and production support for product-facing applications.
Experience in a startup, scale-up, or small-team engineering environment.
Comfortable using AI-assisted development tools responsibly as part of a modern engineering workflow.
Behavioural Competencies Product-minded and ownership-driven.
Pragmatic in balancing delivery speed, maintainability, and technical quality.
Comfortable working across frontend, backend, and product concerns.
Collaborative and communicative, especially in a small distributed team.
Able to clarify requirements, identify gaps, and propose practical solutions.
Motivated to improve existing systems rather than only build new features.
Comfortable wearing multiple hats in a growing engineering organisation.
Quality-minded without being rigid or overly process-dependent.
Interested in integration-oriented product problems and connected business workflows.
What We Offer Competitive salary Private health insurance Career development program, including access to learning resources such as Udemy courses The opportunity to work on a real product platform with meaningful full stack and product-engineering challenges Exposure to product engineering themes such as observability, platform evolution, and AI-enabled product development A collaborative engineering environment with room to learn and grow Development Opportunity This role offers the opportunity to build hands-on experience in full stack engineering, frontend platform development, product-facing services, observability, and AI-enabled product evolution. xpzdshu
The successful candidate will contribute to the future development of the Maicell platform while growing toward broader technical and product-engineering responsibilities over time.
Potential future growth paths may include: Senior Full Stack Engineer Frontend Platform Engineer Product Engineer Backend Developer Solution Architect