Staff Backend Engineer

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🕒 April 20

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Helius Sunlink PV

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2004

⚡ Energy

Energy • Manufacturing • Solar

Helius Sunlink PV is a company focused on developing high-quality photovoltaic modules for solar energy generation. With a manufacturing capacity of 6. 6 GW, Helius Sunlink PV employs industry-leading technology to deliver efficient and reliable solar products to various projects around the globe. They emphasize technical customer service and maintain rigorous quality control strategies in their production processes.

📋 Description

• Lead the technical direction for Gatekeeper as the unified entry point for Helius traffic, with an emphasis on p50/p99 latency and tail reliability. • Design and implement routing and load balancing strategies across regions and backend pools, including failover behavior and graceful degradation. • Improve connection handling end-to-end: TLS termination, keepalives, pooling, timeouts, backpressure, and request/response streaming behavior. • Build robust, operator-friendly observability: SLOs, dashboards, alerts, and “is it healthy?” views that make issues diagnosable fast. • Partner with internal service teams to define and enforce contracts (timeouts, retries, error mapping, capacity signals), and reduce systemic failure modes. • Drive hardening work across security and abuse controls (auth failure behavior, rate limiting / caps enforcement, request validation). • Own production operations for Gatekeeper: incident response, on-call improvements, runbooks, and post-incident follow-through. • Mentor engineers and raise the bar on performance engineering, operational rigor, and code quality.

🎯 Requirements

• Significant experience building and operating high-throughput backend systems in production (proxies, gateways, distributed services, or infra-heavy platforms). • Deep understanding of networking fundamentals and HTTP behavior (TLS, TCP, connection reuse, proxies, load balancers, timeouts). • Strong performance engineering skillset: profiling, benchmarking, and making latency/throughput tradeoffs with rigor. • Track record of leading ambiguous, cross-team projects and shipping durable systems. • Operational excellence: you have owned services with real on-call responsibility, and you make them easier to run over time. • Excellent communication: you can write clear design docs, align stakeholders, and make decisions legible.

🏖️ Benefits

• High-impact work: Your code will power applications used by millions across the Solana ecosystem, including Coinbase, Jupiter, and Phantom. • Serious engineering: Build fast, reliable systems and user experiences across distributed infra, high-throughput backends, and modern frontend stacks. • Ownership & growth: Lead critical initiatives, influence architecture and product direction, and take on more responsibility as the company scales. • Remote-first flexibility: Work where you’re most effective with a flexible, fully distributed team. • Competitive comp & perks: Market-leading salary, meaningful equity, generous vacation, wellness budgets, and support for learning and travel. • Mission-driven team: Join ambitious builders who move fast, take ownership, and are shaping the future of decentralized apps.