Company brief · updated 2026-10-19
atomicvest.com · B2B · Turnkey digital experiences. Fully customizable front-end experiences that can be tailored to your design system. Developer-friendly APIs.
Today: Investing and savings platform for fintechs; the site announces Europe expansion through the acquisition of Groene Hart Financiële Diensten
Roles: Project Manager & Financial Controller
Requirements mention: starting with its expansion into Europe · regulated multi-entity structures · IFRS · international tax experience
No inferred next beyond what the site states. The acquisition is public, and this role's first project is the Europe expansion.
Today: Brokerage, through its FINRA-registered broker-dealer
Roles: Fractional Financial Operations Analyst, Tax
Requirements mention: tax information reporting · backup withholding · nonresident alien (NRA) withholding · FATCA · Forms W-8 · 1099 · 1042-S
No inferred next. One posting describes establishing the 2026 end-customer tax reporting and withholding process, so this is a single signal.
Today: Brokerage
Roles: Operations Associate, Trading and Margin · Operations Associate, Self-Clearing & Corporate Actions · Trader, Corporate Securities Market Making
Requirements mention: margin lending · Reg T · FINRA Rule 4210 · Active Series 24 (General Securities Principal) license · NSCC/DTC processes · self-clearing infrastructure · quoting two-sided markets
Inference: the company is bringing more trading, clearing and securities financing in-house at the broker-dealer behind its brokerage product, including a new market-making desk that is still establishing its practices.
Today: Developer-friendly APIs
Roles: Senior Software Engineer, Back End · Senior Software Engineer, Back End · Partner Support Engineer
Requirements mention: distributed systems · idempotency · exactly-once semantics · gRPC · Temporal · webhook debugging · signature verification
Inference: the company is investing in back-end services for money movement, trading and account lifecycle, and in support for partners who integrate its APIs.
| Department | Open |
|---|---|
| Brokerage Operations | 4 |
| Engineering | 3 |
| Finance | 2 |
Eight open roles: Operations 3, Engineering 3 and Finance 2, so hiring is split between broker-dealer operations and the engineering platform, with a smaller finance push.
Seniority: Mid-level 6 and senior 2 across the eight postings.
Skills named most: Go, Python, gRPC, protobuf, distributed systems, idempotency, exactly-once semantics, Temporal, PostgreSQL, Redis, Datadog, AWS Kinesis
Locations: United States 7 roles, LATAM 1 role. Three roles are marked remote, all in the United States: Partner Support Engineer; Fractional Financial Operations Analyst, Tax; and Project Manager & Financial Controller. Remote status is not stated for the other roles.
If you're applying: The engineering roles ask for Go, Python, gRPC and distributed systems. Operations Associate, Trading and Margin lists Series 57 and Series 24, and Operations Associate, Self-Clearing & Corporate Actions requires an active Series 24. The Trader, Corporate Securities Market Making posting lists no license. Check the fit lines against each posting's requirements before applying.
If you're selling or recruiting: Three roles opened in the last 30 days and one closed. Operations and Engineering tie at three roles each. The US Senior Software Engineer, Back End posting has been open since February 2025. Europe is confirmed on the site through the Groene Hart acquisition. Treat the tax item as an early signal only, since it rests on one posting.
| Title | Department | Location | Posted |
|---|---|---|---|
| Principal Operations Officer | Brokerage Operations | United States (remote) | 2026-10-19 |
| Partner Support Engineer | Engineering | United States (remote) | 2026-10-16 |
| Fractional Financial Operations Analyst, Tax | Finance | United States (remote) | 2026-10-12 |
| Project Manager & Financial Controller | Finance | United States (remote) | 2026-10-09 |
| Senior Software Engineer, Back End | Engineering | LATAM (remote) | 2026-09-15 |
| Operations Associate, Trading and Margin | Brokerage Operations | United States (remote) | 2026-09-14 |
| Operations Associate, Self-Clearing & Corporate Actions | Brokerage Operations | United States (remote) | 2026-09-14 |
| Trader, Corporate Securities Market Making | Brokerage Operations | United States (remote) | 2026-09-14 |
| Senior Software Engineer, Back End | Engineering | United States (remote) | 2025-02-18 |