Senior software engineer designing scalable market - data services for Alpaca’s brokerage infrastructure. Building APIs and production systems for stocks, options, crypto, and foreign exchange data.
About the role
- Senior Full Stack Developer at Innosphere working remotely to modernize core systems with C#. Lead design and development of concurrent applications and optimize legacy workflows.
Responsibilities
- Lead the design and development of highly concurrent, multi-threaded applications in C#
- Re-architect legacy synchronous workflows into scalable, thread-safe solutions
- Apply advanced knowledge of threading models, synchronization primitives, and performance tuning to optimize system throughput and minimize contention
- Design, develop, and optimize complex SQL queries, stored procedures, and large-scale data operations, including staging and transformations
- Utilize Apache Spark for distributed data processing at scale
- Deploy and manage solutions on AWS, ensuring reliability, scalability, and cost efficiency
- Diagnose and resolve concurrency issues, perform application profiling, and drive continuous improvements in system performance
- Collaborate with cross-functional teams to define technical requirements, align architecture with business goals, and deliver high-quality solutions
Requirements
- Bachelor's degree in Computer Science or related program and/or relevant experience
- Significant professional (5+ years) of experience building commercial applications with modern software engineering practices
- Expert-level proficiency in C# with hands-on experience in multi-threaded and parallel processing
- Strong understanding of threading models, synchronization primitives, and concurrency debugging
- Proven experience in performance tuning and application profiling for large-scale systems
- Advanced proficiency in SQL (query design, optimization, and data operations)
- Hands-on experience with Apache Spark for distributed data processing
- Proven experience deploying solutions on AWS
- Exceptional problem-solving and debugging skills with a strong focus on scalability and reliability.
Benefits
- Generous Time Off
- Above Average Benefits (Dental, Health, Vision, STD, LTD, AD&D, Life, Dependent Life)
- Home Office Benefit Program
- Yearly Professional Development Budget
- Annual Fitness Benefit
- Lunch & Learns and Virtual Events
- Annual In-Person Celebrations
- RRSP with Company Match
- Volunteer Days
- Sports Tickets for Blue Jays games
- Birthday Club
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