Tech Lead – Backend Focus

Optiml

Tech Lead focusing on backend systems for Optiml, a real estate AI startup. Driving architecture decisions and mentoring engineers in a fast-scaling environment.

Posted 6/20/2026full-timeZürich • 🇨🇭 SwitzerlandSeniorWebsite

Tech Stack

Tools & technologies

Distributed Systems

About the role

Key responsibilities & impact

Strengthen Optiml’s backend and data architecture by identifying and solving the highest-leverage technical bottlenecks across the platform.
Raise engineering standards and execution velocity by mentoring the team, improving system design practices, and driving clarity on trade-offs.
Build scalable, robust systems that support Optiml’s transition from early-stage product to scale-up infrastructure.
Contribute directly to critical backend systems and data pipelines as a hands-on IC, delivering high-impact technical outcomes.
Shape technical direction and prioritisation by working closely with Product and leadership to align engineering efforts with business impact.
Own and evolve backend architecture, ensuring scalability, performance, and maintainability as the product grows.
Drive system design decisions across data pipelines, services, and infrastructure.
Act as a strong IC contributing directly to core backend systems and data-intensive applications.
Mentor engineers and elevate overall team capability through reviews, feedback, and hands-on guidance.

Requirements

What you’ll need

7+ years of experience designing and building data-intensive backend systems in high-growth environments
Strong expertise in system architecture, distributed systems, and performance optimisation
Proven track record as a high-impact IC delivering meaningful outcomes in fast-paced teams
Experience operating at the intersection of product and engineering, with strong prioritisation skills
Demonstrated ability to mentor engineers and raise technical standards across a team
Strong communication skills—able to clearly explain trade-offs to both technical and non-technical stakeholders
High ownership mindset: proactively identifies problems and drives solutions without waiting for direction
Willingness to work from Zurich HQ on a regular hybrid basis
Fluent in English (written and spoken).

Benefits

Comp & perks

Impact: Build in a category-defining company at the intersection of real estate, finance, and AI
Ownership: Be on of the core members of an innovative team - REDIx - in a fast-growing startup
Growth: Work directly with founders and shape the commercial trajectory of a fast-scaling company
Culture: Join a mission-driven, high-performance, and collaborative team.
Benefits: Competitive salary, equity options, learning budget (CHF 1k), 25 days holiday, and additional insurance support.

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

backend systemsdata architecturesystem designperformance optimisationdistributed systemsdata pipelinesscalabilitytechnical outcomeshigh-impact ICengineering standards

Soft Skills

mentoringcommunicationprioritisationproblem-solvingownership mindsetteam capability elevationclarity on trade-offscollaborationfeedbackhands-on guidance