Toolmill Briefswhat companies are building, read from their hiring

Company brief · updated 2026-10-19

Helius

helius.dev · software industry · Solana RPCs, APIs, gRPC, webhooks, and dedicated infrastructure to build and ship crypto apps, fast. Get started for free in 1 click.

8open roles
3new in 30 days
0closed in 30 days
8remote-eligible
steadyhiring velocity

What they're building

Core backend systems behind RPC and data products strong signal

Today: Solana RPCs via the Rust-based Gatekeeper edge gateway, LaserStream gRPC streaming, and archival methods such as getTransactionsForAddress

Roles: Senior Software Engineer, Backend · Staff Software Engineer, Backend · Senior Product Manager

Requirements mention: "Gatekeeper", "Data Streaming", "Historical APIs", "Account Index" (Staff Software Engineer, Backend) · "profiling", "benchmarking", "flamegraphs", "perf", "valgrind" (Senior Software Engineer, Backend) · "throughput, backpressure, and delivery guarantees", "historical and archival data", "LaserStream" (Senior Product Manager)

Inference: Helius is adding senior and staff engineers to the systems behind its RPC and data products (Gatekeeper, Data Streaming, Historical APIs, Account Index), with a product manager covering LaserStream and historical data alongside them.

Bare-metal platform and reliability moderate signal

Today: Globally distributed RPCs and the Gatekeeper edge gateway; the Platform posting says Helius runs its global edge network and high-performance services directly on bare metal

Roles: Platform Engineer, Infrastructure · Platform Engineering Lead

Requirements mention: "bare metal", "PXE", "IPMI/BMC", "RAID" (Platform Engineer, Infrastructure) · "SLOs", "error budgets", "incident command", "blameless postmortems" (Platform Engineering Lead)

Inference: Helius is staffing a Platform team to operate its own bare-metal fleet, pairing a provisioning and cost-focused engineer with a lead focused on reliability practice. The Lead posting has been open since 2025-11-19.

Developer advocacy for the data platform weak signal

Today: "Solana RPCs, APIs, gRPC, webhooks, and dedicated infrastructure to build and ship crypto apps, fast."

Roles: Developer Advocate, Data Platform

Requirements mention: "code tutorials", "demo apps", "SDK examples" (Developer Advocate, Data Platform) · "technical writing", "oral communication" (Developer Advocate, Data Platform)

Where the headcount is going

DepartmentOpen
Engineering6
G&A1
Developer Relations1

Six of eight open roles sit in Engineering, with one in Developer Relations and one in G&A (a Technical Recruiter role), and seven are listed as North America.

Who they need

Seniority: Senior 2, staff 2, mid 2, junior 1, manager 1, as listed in the postings.

Skills named most: Rust, distributed systems, webhooks, Solana, observability, Helius APIs, indexing tools, WebSockets, APIs, Go, Gatekeeper, Data Streaming

Locations: Seven roles are listed as North America and one as Remote. All eight are marked remote. The postings do not name a country for the remote roles.

How to use this

If you're applying: Backend and platform engineering is the largest group: four of eight roles. Rust appears in six of the eight postings, so check each posting's listed languages and tools against your experience before applying. Seven roles are listed as North America and remote, and the Developer Advocate role is listed as Remote with no region. The postings do not name a country.

If you're selling or recruiting: Six of eight open roles are in Engineering: two backend (senior and staff), two platform, a senior product manager and a solutions engineer. Three roles opened in the last 30 days against one in the prior 30, none closed, and the velocity flag reads steady. The longest-open searches are the Platform Engineering Lead (since 2025-11-19) and the Solutions Engineer (since 2026-06-10). The newest posting is a Technical Recruiter asking for outbound pipelines and fluency in Rust and distributed systems, which means Helius is adding in-house technical sourcing. The hiring covers bare-metal operations, observability, streaming and historical data, and developer tooling.

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Open roles (8)

TitleDepartmentLocationPosted
Technical RecruiterG&ANorth America (remote)2026-10-16
Developer Advocate, Data PlatformDeveloper RelationsRemote (remote)2026-10-13
Platform Engineer, InfrastructureEngineeringNorth America (remote)2026-09-28
Senior Product ManagerEngineeringNorth America (remote)2026-09-14
Senior Software Engineer, BackendEngineeringNorth America (remote)2026-08-19
Staff Software Engineer, BackendEngineeringNorth America (remote)2026-08-19
Solutions EngineerEngineeringNorth America (remote)2026-06-10
Platform Engineering LeadEngineeringNorth America (remote)2025-11-19