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Slash, Inc.

Product Engineer: Core Banking

Full time

San Francisco

$175K – $250K

Strong builder/founder experience — ideally a founder or founding engineer with real traction and deployed projects

Willing to work in a fast-paced, high-ownership startup culture + articulate startup challenges they’ve navigated

Our Recruiting Pillars

1

Growth Stage Startups

2

Early Stage Startups

3

Product-Led Teams

4

YC-Backed Startups

5

AI Labs & LLM Training

Hire in Days with Contrario

We help you avoid losing weeks or months chasing the wrong candidates. After a short intake, we lock in your exact hiring needs and quickly calibrate qualified profiles so your team can stay focused on building.

01

Put Up Your Hard to Fill Positions

02

Get Qualified Leads from Expert Recruiters

03

Interview and Hire with Confidence

Record a quick intake video with our team. We’ll turn it into a structured job post with candidate requirements, ideal companies, and more—so recruiters can start sourcing right away.

Hire with confidence

Want to get paid on Contrario?

Help fast-growing startups hire while keeping full control of your time and pay.

Built-in Advantages with Contrario

Work with world class recruiters

Whether you're hiring founding engineers or data labelers, we’ve built a vetted network of experienced recruiters to fill any role you need help with.

Flex based on your hiring urgency

Dynamically adjust the number of roles posted and the total firepower of sourcing you want for any given role.

Use a high-signal recruiting stack

Tap into the output of a full-stack recruiting team without overhead. Have one point of contact with streamlined execution.

Seamlessly integrate with your hiring tools

No added lift. We connect directly to your ATS, Slack, email, and calendar—so your workflow stays clean and familiar.

What Our Clients Say About Us

Build Early Stage Teams

Full-stack Developer

Front-end Developer

Back-end Developer

Mobile Developer

Instruction Tuner

Devops Engineer

Prompt Rater

AI Developer

Machine Learning Engineer

Technical Account Executive

Multilingual Annotator

Product Designer

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Automation QA

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Hire Engineers by Skills

React

Typescript

Python

Node.js

AWS

Next.js

Model Evals

JavaScript

React Native

Prompt Engineering

RLHF

iOS

Data Labeling

Firebase

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