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Staff Backend Engineer - Historical APIs

HeliusNorth America
On-site Full-time

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Experience Level

Senior

Qualifications

To excel in this role, candidates should possess:A deep understanding of backend engineering principles and practices. Proven experience with large-scale data systems and low-latency performance optimization. Strong knowledge of architecture design for data ingestion, indexing, and retrieval. Experience in mentoring and guiding engineering teams.

About the job

Join the Helius Team

Helius is at the forefront of developing the foundational infrastructure for Solana, enabling developers to craft innovative, crypto-powered applications. Our goal is to revolutionize internet capital markets by simplifying and accelerating on-chain development.

Our solutions are trusted by thousands of teams worldwide, from emerging startups to established leaders such as Coinbase, Phantom, and Jupiter, who utilize Helius APIs, webhooks, and indexing tools to enhance their offerings. Supported by Haun Ventures, Founders Fund, and Foundation Capital, we boast a compact yet seasoned team committed to performance, simplicity, and scalability in decentralized systems.

Explore our Helius Manifesto to understand our company culture and values.

Your Role

We are searching for a Staff Backend Engineer to take charge of critical infrastructure development. This position offers you the opportunity to shape technical direction, architect systems capable of handling multi-petabyte datasets, and establish engineering excellence standards within our team. You'll tackle high-impact challenges independently, mentor senior engineers, and guide architectural decisions that will define the trajectory of our infrastructure.

About the Team

The Archival team is dedicated to providing APIs for querying Solana's extensive multi-petabyte ledger with sub-100ms response times. If you thrive in environments focusing on large datasets and low-latency performance engineering, this is the ideal team for you. We operate with agility, manage a significant surface area, and function like a close-knit group of founders at the heart of the company.

Your Responsibilities

  • Lead the architecture and development of ingestion, indexing, and retrieval systems within our archival infrastructure.

  • Steer technical strategies to enhance API performance, reliability, and scalability across high-throughput services.

  • Design and refine data models and query patterns for ClickHouse, Postgres, and RocksDB at scale.

  • Facilitate system design discussions and make key architectural decisions regarding caching, distributed data patterns, and performance trade-offs.

  • Establish standards for operational excellence, debugging methodologies, and performance profiling throughout production systems.

  • Guide and mentor senior engineers to uplift the team's overall capabilities and performance.

About Helius

Helius is transforming the landscape of crypto application development by building robust infrastructure for Solana. Our commitment to enhancing developer experiences positions us as a vital partner for teams ranging from startups to industry giants.

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