About Candam

Candam is a technology leader in the waste‑management sector, driving structural transformation toward a circular economy. Our patented acoustic‑AI system recognizes packaging in real time, enabling full traceability of recycling behavior—who recycles what, where, and when. Adaptable to any waste bin, our technology turns traditional containers into smart, data‑driven assets. Today, Candam operates in various European countries with more than 400 devices and 9,000 sensors installed.

Backed by over EUR 8M in funding and supported by partners such as InnoEnergy, Suma Capital, Impact Venture, Sogrape and CDTI, Candam is entering a new phase of scale. We are strengthening our QA capabilities to elevate product reliability, accelerate value delivery, and amplify Candam’s impact across public and private sectors.

Our mission is to enable a global shift toward circularity by building a synergistic ecosystem where waste collection becomes intelligent, efficient, and transparent.

Learn more: candam.eu

Role Purpose The QA‑Testing Engineer ensures the reliability, quality, and performance of Candam’s multi‑layered product ecosystem—firmware, hardware, manufacturing systems, AI models, and end‑to‑end software. This role is essential to guaranteeing that every release, every device, and every manufacturing batch meets the standards required for large‑scale deployment in public and private environments.

You will work across firmware, electronics, mechanical systems, manufacturing processes, and software testing, becoming a key contributor to Candam’s quality governance and product reliability.

Reporting Structure

Reporting directly to the Director of Technology, this role will oversee Candam’s QA function, initially managing one team member and shaping the foundation for future growth.

Workplace & Schedule

- Location: On‑site at Candam’s headquarters, Carrer Sant Adrià 66, Nave 8, Sant Andreu, Barcelona.
- Remote work:



Mondays and Fridays.
- Friday schedule: Intensive day, 08:00–15:00.
- Standard schedule: Full‑time, on‑site Tuesday to Thursday.

Key Responsibilities

Firmware & Hardware Testing

- Design, implement, and maintain firmware test frameworks and testing equipment.
- Validate hardware–firmware integration and ensure functional reliability across device generations.
- Execute automated and manual testing of firmware release candidates.

Manufacturing Testing
- Develop and maintain manufacturing test systems, including test sequence applications, fixtures, firmware integration, APIs, and database components.
- Support Operations in ensuring supplier quality and production consistency.

Mechanical & Equipment Validation
- Conduct mechanical validation tests and equipment reliability assessments.
- Collaborate with engineering teams to diagnose and resolve mechanical or equipment‑related issues.

End‑to‑End Software Testing
- Design and maintain E2E testing procedures for backend, mobile apps, and cloud services.
- Execute automated and manual tests using established frameworks.

Quality Governance & Documentation
- Manage QA governance processes and maintain documentation in Confluence and Jira.
- Analyze production and testing data to identify, replicate, and document errors with clear, actionable reports.

Required Skills & Qualifications

Core Technical Skills

- Programming: Python and C/C++
- Version Control & DevOps: Git, Docker
- Electronics and hardware literacy
- Data analysis and reporting tools

Testing Area Specialization





Required

- Firmware Testing: test framework development, equipment testing, hardware/firmware integration.

Optional (any of the following):
- Manufacturing Testing: test sequence applications, fixtures, API/database testing.
- Mechanical Testing: equipment validation, mechanical systems testing.
- Software Testing: E2E testing, automation frameworks, release candidate validation.

QA Governance & Documentation
- Proficiency with Confluence and Jira.
- Strong communication skills in English (written and oral).
- Spanish required; French is a plus due to Candam’s Priority‑1 market expansion.

Optional Skills

Experience in any of the following areas is a strong plus:

- Additional programming languages: Java
- Web frameworks: Django
- Test automation tools: Bash, Pytest, Robot Framework, Playwright, Appium
- CI/CD: GitLab (YAML configuration)
- CAD design tools
- Data visualization: OpenSearch, Elasticsearch, Google Data Studio
- Domain knowledge: pneumatic systems

What We Offer

- Opportunity to work with cutting‑edge technology in sustainable waste management.
- Adaptable work arrangement with remote options on Mondays and Fridays.
- Collaborative team environment focused on innovation, quality, and continuous improvement.
- Direct contribution to environmental sustainability and circular‑economy initiatives.

Candam Values

Working at Candam means joining a team where ownership, ambition, and purpose guide every decision. Our culture is built on:

- Agility — adapting quickly and delivering efficiently.
- Commitment — dedication to our mission and our customers.
- Courage — innovating boldly and solving real‑world problems.
- Resilience — navigating complexity and recovering fast.
- Speed with Discipline — moving fast while maintaining rigorous quality standards.

Together, we build technology that improves the world.

📌 QA‑Testing Engineer (Barcelona)
🏢 Candam Tech
📍 Barcelona