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Senior Software Engineer

Wearehaystack — Germany · Posted ~3 hours ago

Senior

Skills

backend development production software development technical leadership mentoring code reviews software architecture PHP German

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Summary ✨ AI‑Generated

A Senior Software Engineer is sought for a role combining approximately 70% hands-on production development with technical leadership. You will establish engineering standards, strengthen review and documentation practices, mentor developers transitioning into backend work, and collaborate on architecture and project direction. Strong senior-level production experience and backend expertise are required, along with willingness to work with PHP and fluent German at B2/C1 level.

Highlights

Combines hands-on production development with meaningful technical leadership, mentoring, architecture collaboration, and the opportunity to grow into a technical lead role.

Description

We're hiring on behalf of a Haystack partner! The Role • Spend approximately 70% of your time on hands-on development in production code. • Dedicate the remaining time to team leadership, including code reviews, pairing, and unblocking team members. • Drive the establishment of team standards, processes, documentation, and a robust review culture. • Ensure predictable delivery and high-quality output within the team. • Support two developers transitioning to PHP backend development. • Collaborate closely with the CTO/Architect on architecture and project direction. What You'll Need • Several years of production experience with a strong senior developer background. • Proficient in at least one backend language, with a willingness to work with PHP. • Proven ability to lead technically through mentorship and example, rather than authority. • Desire to grow into a technical lead role; prior lead experience is a plus. • Fluency in German (B2/C1 level) is mandatory for team collaboration. • Experience with event-driven systems (Kafka/Redis Streams) and Linux/NixOS is beneficial. What's On Offer • Competitive salary. • Significant impact in a small, visible team where your standards shape development practices. • Opportunity to grow into a lead role, influencing team processes and quality. • Collaboration with a CTO/Architect and a diverse engineering team. Apply via Haystack today!