Software Engineer, Doppel
Detection
$150-350k
+ Equity
Online brand protection and anti-phishing platform
Open for applications
Online brand protection and anti-phishing platform
101-200 employees
Open for applications
$150-350k
+ Equity
101-200 employees
Company mission
To leverage AI to find and take down threats across social media, crypto, domains, and app stores.
Role
Who you are
- We’re looking for passionate engineers who love building and operating backend systems at scale - someone who can take ambiguous detection/product problems and deliver reliable production services and UIs that help our ops and customers find and remediate threats
- Hands-on experience building production backend services or full-stack features (or equivalent). Proven record of shipping end-to-end: design → implementation → testing → monitoring → oncall
- Strong mastery of at least one backend language (Python, Go, Java, or Node) and comfort with web APIs, async processing, and service frameworks
- Solid system design skills: experience architecting scalable, fault-tolerant systems (sharding, caching, queueing, idempotency, backpressure)
- Experience building and operating large data pipelines (batch or streaming), working with warehouses or OLAP systems for analytics, and designing efficient schemas for scale
- Deep practical experience with backend concerns: databases (SQL + NoSQL), caching, message queues, rate limiting, retries, and cost/latency tradeoffs
- Strong observability, debugging and incident response skills: structured logging, tracing, dashboards, SLOs/alerts, and the ability to triage and fix production issues
- Product ownership and excellent cross-functional communication — you’ll collaborate with Operations, Customer Success, Sales, to deliver measurable outcomes
- If you’re driven to solve real-world problems with bold technology, we’d love to meet you
What the job involves
- You’ll focus on high-throughput ingestion, enrichment, scoring and alerting pipelines, APIs and dashboards, threat-linking infrastructure, and reliable automation that the stakeholder teams use every day
- As part of our NY team, you’ll:
- Work on a wide range of asks that protect billions of people from digital impersonation
- Have complete end to end ownership - from directly collecting customer requirements to continuously iterating on shipped releases
- Mentor junior engineers, make key product decisions, and foster a high-performing team culture
Our take
While the NFT space is often one that is enticing to investors and traders, there are persistent issues with fraud in the market. Cybercriminals are able to pass off any image as their own intellectual property, and while NFT marketplaces do abide by copyright laws this kind of fraud can be hard to spot before money changes hands. The damage to a brand's reputation and customer trust can be hard to rectify.
Doppel exists to solve this problem. Using an AI model trained to spot fraud and IP violations, it indexes NFT data across most of the major blockchains and flags potentially fraudulent NFTs. Trusted by Opensea, Dapper and numerous other marketplaces, Doppel scans over 1.5 million NFTs daily and has identified over 100,000 threats in the marketplace.
Doppel has raised significant funding, its 2024 round is being used to develop its AI-driven platform further. While the NFT sector as a whole is going through a turbulent time, the applications of NFTs in new areas such as gaming and ticketing are not going unnoticed. Doppel wants to achieve continuous monitoring and rapid detection across more platforms, expanding its web and social media range into the dark web, crypto and encrypted messaging services like Telegram.
Steph
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 3 rounds)
May 2025
$35m
SERIES B
Jan 2024
$14.4m
SERIES A
Total funding: $54.4m
Company benefits
- Health, dental, & vision stipend
- Flexible vacation and work arrangements
- Generous equity
Company HQ
San Carlos, CA
Leadership
Kevin Tian
(CEO & Co-Founder)Previously founded Ferryhome. Before that was Staff Engineer & Engineering Manager at Lyft and Senior Software Engineer with Uber.
Rahul Madduluri
(CTO & Co-Founder)Before co-founding Doppel was the Co-founder & CTO of YakPak and Software Engineer at Uber.
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