Medium to Hard Algorithm Problems
Senior backend engineers face complex data structures, concurrency patterns, and optimization challenges. Expect graph algorithms, dynamic programming, and distributed systems concepts.
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Focus areas that matter most for senior-level backend positions. Explore key insights and preparation tips to help you excel in your interview process.
Senior backend engineers face complex data structures, concurrency patterns, and optimization challenges. Expect graph algorithms, dynamic programming, and distributed systems concepts.
Design distributed systems, APIs, databases, and microservices. Focus on scalability, reliability, and performance optimization for large-scale backend systems.
API Design
RESTful services & GraphQL
Database Systems
SQL, NoSQL, caching strategies
Microservices
Service mesh, event-driven architecture
Different companies emphasize different aspects of backend engineering expertise and leadership capabilities.
Meta
Large-scale distributed systems and performance optimization
Stripe
Payment processing reliability and API design patterns
Compare cost-of-living buying power and how crowded the market is versus other major tech cities—so you can focus your search where the odds fit your goals.
San Antonio offers approximately 65% lower housing costs and overall living expenses compared to San Francisco, allowing senior backend engineers to maximize their earning potential while enjoying a high quality of life in Texas's vibrant tech hub.
San Antonio's emerging tech scene offers significantly less competition for senior backend roles compared to oversaturated markets. Growing demand from fintech and cybersecurity companies creates abundant opportunities.

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👉 Get free daily job postsDarkhive is a San Antonio, Texas-based defense technology company founded in 2021 by U.S. Special Operations veterans John Goodson and Steve Turner. The company designs and manufactures U.S.-made, NDAA-compliant tactical uncrewed aircraft systems along with open autonomy software aimed at military and public safety users, targeting per-unit costs well below legacy defense drones. It has worked closely with the U.S. Department of Defense from inception, winning multiple SBIR and AFWERX contracts to field small UAS and edge autonomy platforms.
Raised
$30M
Series B · 2026
Key contacts
3
Leadership & hiring contacts indexed
HQ market
San Antonio, Texas
United States