Job Description

Senior Site Reliability Engineer

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Location: Sydney, NSW 1680

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Role Mission

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To elevate production reliability for mission‐critical payment infrastructure by applying senior Scala engineering expertise to achieve unparalleled system stability and performance on the Canton Network.

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What You'll Do

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- Support and elevate the standard of mission‐critical, heavily loaded payment services running under real SLAs.
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- Diagnose and resolve production issues end-to-end, including code modifications, infrastructure configuration adjustments, and performance/network analysis.
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- Develop reusable tools and automation from one-off fixes to efficiently manage production services.
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- Establish and champion reliability as a core engineering discipline through SLOs, error budgets, and blameless postmortems.
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- Provide engineering direction for reliability across the team, defining best practices and implementation strategies.
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- Anchor production response in your time zone, ensuring rapid and effective incident resolution.
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What We're Looking For

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- 5+ years in senior Scala engineering roles supporting mission‐critical payments production systems.
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- Senior Scala individual contributor, focused on software engineering rather than DevOps.
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Excellent to Have

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- Deep production diagnosis skills, including JVM behavior under load, performance analysis, and network analysis.
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- Demonstrated real operational responsibility, including on‐call duties, incident management, and adherence to SLAs.
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- Systematic reliability practice, including the habitual use of SLOs, error budgets, and postmortems.
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- Independent individual‐contributor working style, capable of scoping, deciding, and shipping without external blockers.
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Bonus Points

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- Experience building wallet or fiat on/off‐ramp infrastructure.
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- Fluency in infrastructure and observability tooling, with a developer‐first mindset.
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- Equity included
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Compensation & Benefits

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- Equity included
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Team & Culture

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At Cantor8, we build with individuals who deeply understand systems, valuing clarity, control, and long‐term reliability. Our culture emphasizes attention to detail, thoughtful system design, and a strong sense of ownership. We foster a collaborative environment where individuals are empowered to think carefully, move with intention, and contribute to lasting solutions, supported by structured work and clear expectations.

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