[Remote] Sr. Backend Engineer, Historical APIs at Helium

North America

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Blockchain, Cryptocurrency, SolanaIndustries

Requirements

3+ years of strong backend engineering experience
Experience with Rust (strongly preferred), C++, or an equivalent language
Professional experience with distributed systems, data pipelines, and performance-focused engineering
Familiar with database schema design and optimization patterns for large datasets
Ability to break down complex problems into simple solutions
Relentless curiosity and a drive to dive deep into performance optimizations
Desire for a fast-moving, high-ownership environment

Responsibilities

Build ingestion, indexing, and retrieval features across our archival systems
Improve API performance and reliability for high-throughput services
Optimize query performance against databases like ClickHouse, Postgres, and RocksDB
Collaborate with senior & staff engineers on caching, scaling, and distributed data patterns
Debug, profile, and maintain production systems for performance
Engage in system design, technical discussions, and long-term planning

Skills

Key technologies and capabilities for this role

RustClickHousePostgresRocksDBAPIIndexingCachingDistributed SystemsPerformance EngineeringSystem Design

Questions & Answers

Common questions about this position

Is this position remote?

Yes, this is a remote position with a remote-first flexi work arrangement.

What skills are required for this Senior Backend Engineer role?

The role requires 3+ years of strong backend engineering experience, experience with Rust (strongly preferred), C++, or equivalent, professional experience with distributed systems, data pipelines, and performance-focused engineering, and familiarity with database schema design and optimization for large datasets.

What is the salary or compensation for this role?

This information is not specified in the job description.

What is the team culture like at Helius?

The Archival team moves fast, owns an enormous surface area, and operates like a small group of founders sitting in the critical path of the company, with high ownership, fast feedback loops, and a focus on performance, simplicity, and scalability.

What makes a strong candidate for this position?

Strong candidates have 3+ years of backend experience, proficiency in Rust or similar, expertise in distributed systems and performance engineering, and the ability to break down complex problems with relentless curiosity in a fast-moving, high-ownership environment.

Helium

Decentralized peer-to-peer wireless network for IoT

About Helium

Helium creates a decentralized wireless network specifically for Internet of Things (IoT) devices, such as smart collars and sensors. Their network operates on a peer-to-peer model, allowing devices to communicate without relying on traditional cellular plans. Users can purchase and set up IoT hotspots that contribute to the network's coverage, and in return, they earn Helium's cryptocurrency, HNT. This approach not only reduces costs for businesses and developers needing reliable connectivity for their IoT devices but also incentivizes users to expand the network. Helium stands out from competitors by offering a community-driven solution that combines hardware and blockchain technology, aiming to make IoT connectivity more accessible and efficient.

San Francisco, CaliforniaHeadquarters

2013Year Founded

$354.9MTotal Funding

SERIES_DCompany Stage

Hardware, Consumer Software, Crypto & Web3Industries

51-200Employees

Benefits

100% company-paid health insurance premiums (medical, dental, and vision) for you and your dependents

Paid vacation and company holidays

Vacation stipend

Monthly gym stipend

Annual hardware stipend

Health FSA

Risks

Emerging competition from Web3 phones like Solana Mobile could challenge Helium's market position.

BlockDAG's high ROI announcement may attract investors away from Helium's cryptocurrency.

SkyNet IoT's expansion may strain Helium's resources, leading to potential service disruptions.

Differentiation

Helium uses a unique Proof-of-Coverage algorithm for validating wireless network coverage.

The platform incentivizes network expansion through cryptocurrency rewards for IoT hotspot operators.

Helium offers a decentralized alternative to traditional cellular plans for IoT connectivity.

Upsides

Integration with Web3 phones like Solana Mobile enhances network reach and user engagement.

Collaboration with SkyNet IoT opens new market opportunities in maritime sectors.

Telefónica's integration expands Helium's coverage in remote areas, enhancing network reliability.

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