Software Engineer Porto

Co-Founder @ Calyptus | High Performance Talent at Scale | Blockchain & AI

Overview

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get
- applied to 100s of
- paying roles.

Sign up now at https://app. calyptus. co/auth/candidate/sign-up and let the opportunities come to you.

____________________________________________________________

Responsibilities

• Contribute to the design and implementation of reliable and maintainable edge services.
• Collaborate on defining clear service interfaces with backend systems (g
  RPC/REST, schemas, authentication, retries).
• Write clean, testable, and
  - documented code, with attention to
  - term maintainability.
• Participate in code reviews and contribute to the team’s coding guidelines and best practices.
• Support quality assurance by writing and maintaining unit, integration, and
  -
  - end tests.
• Monitor and troubleshoot performance issues with guidance from senior engineers, and suggest improvements.
• Work
  - functionally with Backend, Dev
  Ops, QA, and Product teams to build and evolve solutions in production.

Skills

• 3+ years of professional software engineering experience, preferably with hands-on Python in production.
• Solid understanding of software design principles (e. g. , modularity, cohesion, SOLID basics).
• Practical experience with backend communication and API integration.
• Familiarity with testing practices (unit and integration testing, use of mocks/fixtures).
• Comfort working in Linux environments and using CLI tooling.
• Good documentation and communication skills: writing clear design notes, participating actively in code reviews.
• Fluency in English.

Nice to have

• Exposure to NVIDIA inference stacks (Jetson/RTX), Tensor
  RT, Deep
  Stream/GStreamer.
• Knowledge in low-level languages for
  - critical paths (C/C++ or Rust).
• Experience with hardware-in-the-loop test setups, camera/video ingest (V4L2/RTSP), and industrial protocols (MQTT, OPC-UA, Modbus).
• Understanding of device security (TPM, secure boot, encrypted storage) and safe rollout strategies (canary, A/B testing).

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology and Engineering

Industries

• Information Services

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.