Performance Engineer: Scale Systems, Own Impact, Flexible

Egreenservices; Fullerton (CA); On-site; USD 107,000 - 155,000; Full time

Job summary

CloudScale Systems in Fullerton, CA is hiring a Performance Engineer who can balance speed and stability while shipping software used by millions. Bring 5 years of technology experience to a role built around ownership, teamwork, and growth.

You will cut startup delays, deliver mid‑level features, and participate in on‑call rotations and postmortems. The team values practical problem‑solving, cross‑functional collaboration, and a steady, reliable approach to shipping high‑quality systems.

Qualifications

• Ability to work independently and in a tight-knit team.
• Proven ability to handle multiple priorities.
• Experience supporting cross-functional teams.
• 3+ years building trust the slow, unglamorous way.

Responsibilities

• Cut Agile cold-start times so CloudScale Systems functions wake before CA users notice.
• Deliver mid-level-quality features within the $107,000 - $155,000 Performance Engineer mandate.
• Respond to on-call rotations and participate in incident postmortems.
• Reverse-engineer the proudly-imperfect Networking format CloudScale Systems inherited and never documented.
• Scale data pipelines processing millions of events with React.
• Stitch Project Management events into the Agile pipeline feeding CloudScale Systems's technology reports.

Job description

CloudScale Systems in Fullerton, CA is hiring a Performance Engineer who can balance speed and stability while shipping software used by millions. Bring 5 years of technology experience to a role built around ownership, teamwork, and growth.

You will cut startup delays, deliver mid‑level features, and participate in on‑call rotations and postmortems. The team values practical problem‑solving, cross‑functional collaboration, and a steady, reliable approach to shipping high‑quality systems.