Senior Software Development Engineer in Test jobs in United States
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Fin · 1 month ago

Senior Software Development Engineer in Test

positionNew York, NY
timeFull-time
remoteOnsite
senioritySenior Level
money$125K/yr - $250K/yr

Fin is a next-generation payments platform designed for high-value, global transactions. The Senior Software Development Engineer in Test will work closely with senior engineers to architect automated testing infrastructure and ensure the reliability of transaction handling.

BlockchainCryptocurrencyPayments
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H1B Sponsor Likelynote

Responsibilities

Build and own the end-to-end testing framework for our React Native mobile app and Node.js backend (using tools like Maestro, Detox, Playwright, etc.)
Create test environments that simulate high latency, old devices, and offline-mode recovery to ensure Fin works on slow internet and fragmented device types
Leverage AI tools to rapidly generate test cases and edge scenarios
Optimize deployment pipelines (GitHub Actions) to ensure tests run fast and block bad builds automatically
Build scalable, high performance services that handle real money movement with strong reliability and observability
Maintain a high bar for code quality through clean abstractions, tests, and thoughtful code review

Qualification

TypeScriptNode.jsReact NativeGitHub ActionsAWS Device FarmSecurity best practicesCode qualityDebugging skillsHigh tolerance for ambiguityClear communication

Required

Deep experience with TypeScript and Node.js
Production experience with React Native
Comfort configuring pipelines (GitHub Actions, CircleCI) and managing device farms (AWS Device Farm, BrowserStack, or self-hosted)
You understand that 'functional' isn't enough. You test for performance, battery drain, and network constrained environments
Deep comfort debugging across the stack, from database and infrastructure issues to front end performance problems
Solid understanding of security best practices, particularly around authentication, authorization, and handling sensitive data
A strong sense of code quality, including testing, readability, and maintainability in a fast moving environment
Clear written and verbal communication, and an ability to work closely with non engineering partners
High tolerance for ambiguity and the necessary shifting targets that exist in an early stage start up environment

Preferred

Experience in EITHER traditional fintech integrations (Stripe, Plaid, ACH rails) OR blockchain infrastructure (especially Solana in a production environment)
Prior startup experience where you were an early engineer and had meaningful product ownership
Experience setting up QA from scratch in a startup

Company

Fin

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Fin is a next-generation payments platform built for high-value, global, and instant transactions.
dateFounded in 2022
location
New York, New York, USA
people-size2-10 employees
web-link
https://tiplink.io

H1B Sponsorship

Fin has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (2)

Funding

Current Stage
Early Stage
Total Funding
$6M
2023-02-21Seed· $6M

Leadership Team

I
Ian Krotinsky
Co-Founder and CEO
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Aashiq Dheeraj
CTO
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Recent News

Medium
TipLink raises $6m, co-led by Sequoia and Multicoin, to unlock the ultimate distribution mechanism to send crypto & NFTs
2025-03-27
Decrypt
Multicoin, Sequoia Lead $6M Round in Solana-based Crypto Wallet TipLink
2025-03-27
multicoin.capital
Onboarding The Next Billion Users To Crypto Rails
2025-03-27
Company data provided by crunchbase