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About the Role
As a Senior Backend Engineer at Blinq, you'll design, build, and operate the core services that power our platform, including digital identity, contact intelligence, real-time lead capture, team workspaces, and integrations. You will own meaningful problems end-to-end, make pragmatic architectural decisions, and help our systems scale reliably and securely. 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.
Responsibilities
- 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
Requirements
- 5+ years of experience building and operating production backend systems, ideally within fast-moving product or startup environments
- 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
Skills
- Node.js
- TypeScript
- Asynchronous architectures
- Event-driven architectures
- API design
- Data modelling
- Databases
- Distributed systems
- Backend security
- Cloud environments
- GCP
- AI-assisted engineering workflows
Location
- Sydney
- Melbourne
- San Francisco
- New York
Work Type
- Hybrid
Experience Level
- Senior
Benefits
- Equity and ownership
- Competitive salary
- Real growth path
- 20 days of annual leave
- Flexible policy for life events
- Regular catered lunch
- Always-stocked snack bar
About the Company
- Blinq is the AI contacts app for people who meet people.
- We're on a mission to unlock the world's relationship potential.
- 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.
- 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.
- We've all joined Blinq to find out how good we really are.
- 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.