Senior Backend Engineer

Australia·SydneyFTEsenior

OtherSenior Backend Engineer

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Quick Summary

Overview

About Blinq Blinq is the AI contacts app for people who meet people. We're on a mission to unlock the world's relationship potential.

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OtherSenior Backend Engineer

Blinq is the AI contacts app for people who meet people.

We're on a mission to unlock the world's relationship potential. So much of what's possible in the world is locked inside relationships that never quite happen. A missed conversation, a forgotten follow-up, the right person at the wrong time. We're building so those chances aren't left to chance.

What started as the world's #1 digital business card is now used by 4 million professionals and at 93% of the Fortune 500. We've raised $45m+ from Blackbird, Square Peg, HubSpot Ventures, and Touring Capital.

Learn more: https://blinq.me/

What We Offer

~1 min read

✓You want to be part of an AI-native company at an inflection point. Big enough to have real momentum, customers, and resources. Small enough that the work you do shapes where it goes from here.

✓You want to do the best work of your life alongside people doing the same. We hold an unusually high bar for talent and we hire people who treat that as a feature, not a threat.

✓You want to build something globally ambitious from a part of the world that doesn't always think this big. Our team is in Sydney, Melbourne, San Francisco, and New York, and we're betting that the next category-defining company in our space comes from Australia.

✓You want to work in person, on purpose. Three days a week in the office, two wherever works for you. Creative energy and momentum compound face to face.

We've all joined Blinq to find out how good we really are. That shows up in how we work:

We are professional optimists. We think what's possible first and let constraints come second.
We hold an insanely high talent bar. A players only.
We are obsessed with craft. The details are the thing, not the polish on top of it.
We are truth obsessed. We say what's true even when it's uncomfortable, and we have the courage to pursue contrarian but correct bets.
We do more with less. Calculated frugality and beautiful simplicity guide how we build.
We are all here to genuinely do our life's best work.

Our engineering team is the engine behind Blinq’s success. We’re building tools that make sharing who you are instant and human. Every line of code, every release, and every experiment is focused on driving meaningful impact. If you thrive on solving complex, high-impact problems with a tight-knit team, you’ll feel right at home here.

As a Senior Backend Engineer at Blinq, you'll design, build, and operate the core services that power our platform — from digital identity and contact intelligence to real-time lead capture, team workspaces, and integrations.

You'll own meaningful problems end-to-end, make pragmatic architectural decisions, and help our systems scale reliably and securely as Blinq grows.

This is a hands-on role for someone who enjoys moving between product thinking, system design, and high-quality implementation.You'll also help raise the technical bar across the team through thoughtful code reviews, mentoring, and better engineering practices, while using AI-assisted tools and workflows to increase the speed and quality of how we build.

Design, build, and operate scalable backend services and APIs using Node.js and TypeScript

Own features end-to-end — from technical discovery and data modelling through to rollout, observability, and ongoing improvement

Build systems that support high-volume, real-time experiences across contact sharing, lead capture, analytics, and third-party integrations

Improve the reliability, performance, security, and testability of our backend platform

Make pragmatic architectural decisions, improve core abstractions, and reduce technical debt as the product scales

Collaborate closely with product, web, mobile, design, and data teams to turn ambiguous problems into simple, high-impact solutions

Contribute to code reviews, technical planning, and system design, helping other engineers do their best work

Use and help evolve AI-assisted engineering workflows that improve developer leverage without compromising quality

5+ years of experience building and operating production backend systems, ideally within fast-moving product or startup environments

Strong experience with Node.js and TypeScript, including a solid understanding of asynchronous and event-driven architectures

Strong foundations in API design, data modelling, databases, distributed systems, and backend security

Experience designing reliable, observable services in a cloud environment; GCP experience is preferred

A track record of owning complex technical work from problem definition through to production

Strong product judgment and the ability to balance speed, scalability, quality, and customer impact

Clear communication skills and a collaborative approach to technical decision-making, code reviews, and mentoring

Curiosity about AI-native development and experience using AI tools to improve how you design, build, test, or operate software

Equity and ownership. We're building something massive and we want you to share in the upside. Genuinely.
Competitive salary and a real growth path. As Blinq grows, your role and compensation grow with it.
Time to switch off. 20 days of annual leave plus a flexible policy for everything life throws at you beyond that.
Good times, often. Team lunches, padel, games nights, Barry's sessions. We like hanging out and it shows.
Regular catered lunch at some of our offices, plus an always-stocked snack bar.