Abusix

Engineering

SeniorFullstackEngineer

Remote - EU country of choice FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Fullstack Engineer at Abusix. Skills: Backend engineering, AI-assisted development, Code reviews, Mentorship. Review pull requests. Build backend services”

What You'll Achieve.

Maintain code quality and consistency; Deliver reliable, production-grade features; Shape architecture decisions; Become team's go-to expert; Help engineers level up sustainably; Make everyone measurably more productive

Industry & Context.

Engineering
Problems you'll solve

Investigate hard-to-diagnose problems; Identify root causes; Develop lasting fixes

What They're Looking For.

Must Have

Solid backend engineering depth, Hands-on experience with agentic coding, Hands-on experience with AI-assisted development, Sharp, opinionated approach to code reviews, Genuine mentorship instinct, Senior engineering judgment, Remote-first mindset, Fluent English

Nice to Have

Exposure to cybersecurity, Exposure to high-throughput data pipelines, Exposure to event-driven architectures

What You'll Do.

Build backend services

Lead technical design discussions

Investigate complex problems

Mentor mid-level engineers

Experiment with AI tools

How You'll Work.

Team & Collaboration

Collaborate with engineers across product lines; Provide feedback to teammates; Lead design discussions; Mentor engineers

Communication Scope

Fluent English; Clear written communication; Clear verbal communication

Full Job Description

🌍 About Abusix At Abusix, we're a fully remote company united by a shared mission: to make the internet a safer place. Our small, globally distributed team spans multiple countries—from the U.S. to Europe to the Philippines—and thrives in a culture rooted in trust, ownership, and collaboration. We've been pioneers in the network abuse management space for 15 years, back when abuse management was unknown to 99% of people. Today, we transform complex network and security data into actionable insights through our three Guardian products: real-time blocklists against email threats, SaaS tool for network abuse management, and threat intelligence to prevent attacks. Our vision is to build a global platform where internet stakeholders collaborate by sharing relevant, real-time security data to solve abuse and cybersecurity challenges together. 🧩 THE ROLE As our Senior Fullstack Engineer you work remote and act as a senior technical anchor on our engineering team. In this role you're backend-leaning but comfortable across the stack, and you bring the kind of experience that raises the bar for everyone around you — through hands-on coding, opinionated reviews, and genuine investment in the growth of the engineers you work alongside. In this position you play a central role to keeping our team's velocity, code quality, and mentoring culture intact as we evolve our team structure. You report to the Head of Engineering and collaborate closely with all engineers across our different product lines. 💥 THE IMPACT YOU MAKE IN THIS ROLE - Review pull requests across the team to maintain code quality and consistency — provide opinionated, substantive feedback that raises the technical bar and unblocks teammates quickly. - Build backend services across all our products to deliver reliable, production-grade features — writing code that handles high request volumes without flinching. - Lead technical design discussions to bring the team to the best solution — contributing senior judgm

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