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Senior Software Engineer, Gamified Phishing Training (Full-Stack)

Hoxhunt - Helsinki, Finland - Hybrid - posted 2026-10-21

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Salary: EUR 6,000 - 7,500 / monthly

Hoxhunt is a fast-growing cybersecurity and human risk management company on a mission to make humans the strongest security layer. The company combines AI-driven personalization, real threat detection, and behavioral science to protect organizations and individuals. With 300+ employees globally and 50%+ yearly growth, Hoxhunt is expanding rapidly across new regions and user bases. In this Senior Software Engineer role, you will play a key role in shaping the future of Hoxhunt's gamified phishing platform—the company's flagship product used by 5+ million people daily to build safer online behavior. You'll join the attack capabilities product team at a pivotal growth stage where scalability, product quality, and execution speed are critical. Key responsibilities include: - Build and deliver scalable, highly reliable full-stack features for the gamification platform - Develop innovative training approaches against evolving cybersecurity threats (e.g., deepfake simulations, AI-powered agent calls) - Extend the simulation engine to recreate modern multi-channel attacks across email, chat, and phone - Design and ship gamification features (leaderboards, achievements, learning paths) that drive user engagement - Contribute to long-term architectural evolution as systems scale beyond original design capacity - Collaborate closely with Product Management and engineering peers on planning, scoping, and execution - Drive significant end-to-end projects and contribute to architectural decisions Success metrics: In 90 days, you'll be productive in the tech stack and shipping features. By month six, you'll confidently drive major projects and operate as a trusted technical owner. The team culture emphasizes strong product thinking, technical ownership, high performance, and a supportive, low-ego environment. Work is highly collaborative with strong individual ownership over domains. The company is proud of building a multi-award-winning product that end-users genuinely love—rare in cybersecurity. Requirements: - At least 5 years of industry experience (though impact and ownership valued over tenure) - Hands-on expertise with TypeScript and React - Experience building backend services and APIs (Node.js and MongoDB preferred) - Proven track record building and maintaining large-scale systems for real end-users - Consistent delivery of results with a strong builder mindset - Strong product mindset balancing technical quality with user value and business impact - AI-native mindset with curiosity about AI-assisted workflows and agent-based systems - Bonus: Deep focus on system logic and architecture (deep UX expertise not required) Work arrangement: Hybrid with minimum 1-2 days per week in Helsinki office.

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