Senior Software Engineer

Wearehaystack — Germany · Posted ~1 day ago

Senior Visa History ✓

Skills

Backend Development Software Engineering Technical Leadership Code Review Mentoring Team Leadership Software Architecture PHP

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Summary

A senior software engineer is sought to spend most of the time on production development while also providing technical leadership to a small engineering team. Responsibilities include code reviews, pairing, mentoring, establishing engineering standards and documentation, improving delivery quality, and collaborating on architecture. Strong backend experience and willingness to work with PHP are required, along with German proficiency at B2/C1 level.

Highlights

Combine hands-on production development with technical leadership and mentorship. The position provides a path toward technical leadership, meaningful influence over architecture and engineering standards, and the opportunity to help developers grow while maintaining high-quality delivery.

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!