Senior Full Stack Engineer, Product (React, TypeScript, Go)

The Blond HR; United States; Remote; USD 180,000 - 320,000; Full time

Job summary

theBlondHR is hiring to own features end to end on a venture-backed SaaS platform. You’ll work with customers, designers, and product managers to understand behavior, while partnering with ML engineers to surface insights for marketers.

A typical day includes architecting new marketing features, collaborating with cross-functional teams, and delivering intuitive interfaces. Strong SaaS experience and a growth mindset are essential.

Qualifications

• 5 to 12 years in software engineering, senior level or above
• Experience building SaaS products at startups (Series A to D)
• Experience with customer-facing products and fast feedback loops
• Strong frontend and backend architecture understanding

Responsibilities

• Architect features end to end for marketing and growth products
• Collaborate with customers and cross-functional teams to shape what gets built
• Work with ML engineers to surface insights for the product
• Integrate ML models into interactive UI and analytics
• Create intuitive UIs that allow complex experiments and analyses

Skills

Full stack depth

TypeScript

SQL

API design

Frontend UI development

Go

Education

Undergraduate CS/Math/Stats/EE degree

Tools

React

Job description

Building high-impact products from anywhere in North America

theBlondHR operates at the intersection of HR operations, talent strategy, and technology, helping startups and growing businesses scale with purpose. In this role, you will own core product features across a React, TypeScript, and Go stack for a venture-backed SaaS company. The team is building a new generation of marketing and growth products, with a focus on interfaces that let non-technical users work confidently with advanced features.

About the role

You will own features end to end and work directly with customers, designers, and product managers to understand real-world behavior. You will also work alongside ML engineers to surface insights that help marketers make confident decisions.

A typical day involves:

• Architecting and building features end to end for new marketing and growth products

• Collaborating closely with customers and cross-functional partners to shape what gets built

• Working with ML engineers to bring insights into the product

Problems you may work on:

• A deep analytics and observability platform that surfaces key marketing insights

• Integrating complex ML models into a highly interactive user interface

• Intuitive interfaces that let marketing and growth teams set up complex experiments

Tech stack: React, TypeScript, Go, SQL

What we are looking for

Experience

• 5 to 12 years in software engineering, at senior level or above, in user-facing, product-centric roles

• 2+ years at a fast-paced startup (Series A to D) building SaaS products with a high engineering bar

• A clear growth trajectory across roles, such as internship conversions, ownership, and promotions

• Experience with customer-facing products and fast feedback loops

Technical skills

• Full stack depth: API design, database migrations, table design, general SQL, and quality frontend UIs

• Proficiency in TypeScript and SQL, with some Go

• Strong understanding of backend API design and data models

• Solid CRUD application experience and a track record of building user interfaces from zero to one

Preferred

• Able to independently lead and architect complex frontend systems

Education

• Undergraduate degree in CS, Math, Stats, Physics, or EE from a top 40 university

Soft skills

• Strong communication, curiosity, high aptitude, and comfort in a fast-paced environment

Compensation and terms

• Base salary: $180K to $320K

• Equity: ISO stock options

• Full-time, fully remote across the US or Canada

• Visa support: open to transfers (OPT, H1B transfer) and able to sponsor H1B transfer, TN, O-1, and similar