Application Support Engineer

Company: Confidential

Why candidates should join Join a market-leading IoT company that is scaling fast in Portugal and expanding strongly in Spain. The role offers real ownership over complex technical support problems and direct exposure to the CTO, product, and engineering teams.

This is a chance to work on messy, high-impact production issues in a business that is investing heavily in structure and growth. The team is looking for someone who can learn quickly, think independently, and help protect engineering time from operational noise.

Role Requirements

• intermediate+ level (Must-have)
• technical application support or L2/L3 support (Must-have)
• B2B SaaS product operations experience (Must-have)
• solid SQL (Must-have)
• relational databases, ideally PostgreSQL (Must-have)
• REST APIs (Must-have)
• tools like Postman or similar (Must-have)
• methodical troubleshooting (Must-have)
• clear communication with customers and technical teams (Must-have)
• organization to manage multiple requests simultaneously (Must-have)
• experience with payment systems or transactional flows (Nice-to-have)
• observability tools such as Sentry or CloudWatch (Nice-to-have)
• AWS (Nice-to-have)
• Node.js for reading stack traces (Nice-to-have)
• scripting in Python, Bash or JavaScript (Nice-to-have)

About The Role Application support role, acting as the technical bridge between support and engineering. The work is hands-on and investigative: taking tickets end to end, diagnosing incidents from logs and SQL, handling payment and integration issues, and escalating the deepest code-related cases with evidence.

The team supports a distributed production environment for VendIoT, an IoT platform used across vending machines, EV chargers, smart fridges and other equipment in Portugal and Spain. Success means resolving technically demanding cases with rigor, keeping customers informed, and helping improve the system through better runbooks, alerts and internal tooling.

Interview process

• Shortlisted
• Technical Interview with CTO + Culture fit with P&C
• (Optional) - Technical Challenge
• 2nd Technical Interview
• Offer sent