Senior Platform & Infrastructure Engineer

Senior Platform & Infrastructure Engineer
Viseu
Viseu, Viseu District, Portugal

Location: Portugal (Remote-first) ? ?

Company: YTEC

Type: Full-time | Long-term

Compensation: Top of market, we want to work with the best.

Build Infrastructure at Serious Scale

At YTEC, we are building a large-scale MQTT hosting platform designed to handle massive Io
T workloads with extreme reliability, performance, and availability.

We are looking for a senior-to-staff level engineer who thrives at the intersection of infrastructure, distributed systems, and software engineering.

This is not a pure coding role and not a traditional Dev
Ops position. You will be a technical owner, deeply involved in architecture, scaling decisions, performance optimization, and infrastructure design.

If you enjoy solving hard problems, operating systems at scale, and making architectural decisions that matter this role is for you.

? What You’ll Be Responsible For

Design, build, and scale a
- grade Io
T/MQTT platform used at large scale.

• Architect and operate high-availability cloud infrastructure (AWS or equivalent)
• Design scalable load balancing, routing, clustering, and failover strategies
• Work
  - on with time-series databases (Influx
  DB, Timescale
  DB) and SQL systems
• Optimize high-throughput data ingestion and querying pipelines
• Develop and maintain robust backend services supporting MQTT workloads
• Diagnose and resolve complex performance and reliability issues
• Make key architecture and technology decisions with
  - term impact
• Collaborate with senior engineers, Dev
  Ops, and system administrators

? What We’re Looking For

This role is aimed at experienced, senior engineers who have built and operated systems at scale.

Must-haves:

• 8+ years of experience in software engineering and infrastructure
• Strong Linux expertise (production-level)
• Deep experience with AWS (or similar cloud platforms)
• Containerization expertise (Docker, orchestration experience a big plus)
• Proven experience with time-series databases at scale
• Hands-on experience with MQTT-based Io
  T systems
• Strong programming skills in Python, Bash, PHP, or similar
• Solid understanding of: Networking & TCP/IP, Load balancing & high availability. Distributed systems & fault tolerance
• Track record of troubleshooting complex,
  - scale systems