Software Engineer Intern, Engine (Summer 2026)

TL;DR

Software Engineer Intern, Engine (Summer 2026): Spend 12 weeks developing core engine components for a cloud-native distributed SQL database with an accent on high performance, fault tolerance, and query optimization. Focus on implementing features like vector indexes, SIMD/LLVM optimizations, search modules, and production-ready projects deployed in the next release.

Lisbon, Portugal

Company

hirify.global delivers a cloud-native distributed SQL database unifying transactions and analytics for real-time data-intensive applications.

What you will do

• Own end-to-end projects on engineering teams, from writing and testing software to production deployment.
• Explore cutting-edge technologies like LLMs, vector indexes, fault tolerance in clusters, SQL query performance with SIMD and LLVM codeGen.
• Develop search and costing modules for the query optimizer.
• Collaborate across teams including product, marketing, and sales for business impact.
• Partner with mentors for professional development in a rapid release environment.

Requirements

• Enrolled in a B.S. in Computer Science, Computer Engineering, Electrical Engineering, or related discipline.
• Deep understanding of C.S. fundamentals.
• Strong programming skills with C++ or C.
• Passionate about building highly reliable software.
• Firm grasp of algorithms and data structures.

Nice to have

• Understanding of operating systems, distributed systems, concurrency, multithreading, and server architectures.

Culture & Benefits

• Work on small collaborative teams in a fast-paced production environment with frequent releases.
• Opportunities to celebrate wins together locally or through exploring.
• Sponsorship available for this position.
• Commitment to diversity and inclusion with ability to work on diverse teams.