Web Tech Lead

Web Tech Lead
Location: Warsaw, Poland _(Hybrid – 3 days in the office, 2 days remote)_
Halcyon Labs is an award-winning IT and consulting company founded in Sweden, with a strong presence across Scandinavia and Europe. We partner with leading organizations to build modern, scalable digital solutions while combining strong engineering culture with long-term collaboration and business impact.
We're looking for an experienced Web Tech Lead to join our client's engineering team and lead the technical direction of a modern web platform. In this role, you'll define the architectural direction, mentor developers, and ensure the platform remains technically leading-edge. You'll play a key role in shaping how the platform performs, scales, and evolves while leveraging AI-powered development tools to improve engineering efficiency.
– Drive AI-powered workflows by utilizing AI-assisted development tools and autonomous workflows to accelerate iteration, reduce manual effort, and improve team productivity.
– Own the platform architecture, including database design, deployment pipelines, performance optimization, and incident response.
– Lead code reviews, improve code quality, reduce technical debt, and establish engineering best practices.
– Create and maintain technical documentation, support developer onboarding, facilitate knowledge transfer, and promote knowledge sharing across the team.
– Define testing strategies, enhance automated testing infrastructure, and support bug triage.
– Mentor developers and help raise engineering standards across the team.
– 7+ years of professional web development experience.
– Deep expertise in Nest.js (Node.js), React, and Next.js.
– Proven track record of owning architectural decisions and system design.
– Experience with deployment, infrastructure, and operational responsibilities.
– Experience mentoring junior developers and improving code quality standards.
– Strong record of using AI-assisted development tools to improve development speed and quality.
– Fluent English.
1.  Screening Call (30 min): A short introductory conversation with our recruitment team to discuss your background, motivation, and role expectations.
2\. Cultural Fit Interview: A meeting focused on collaboration style, communication approach, and how you operate in an international environment.
3.  Technical Interview: A deeper technical discussion covering data architecture, analytics engineering, and HR data topics, including a hands-on deep dive relevant to day-to-day responsibilities.
4.  Final Interview (45 min): A concluding conversation focused on behavioural aspects, leadership and ownership mindset, and managerial alignment.