

LeadStack Inc.
Simulation Engineer - 26-00441
β - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Backend Engineer/Simulation Software Engineer in Sunnyvale, CA, lasting 6+ months at $80-$100/hr. Requires 10+ years in software development, strong C/C++ and Python skills, and experience with REST/gRPC and UI/UX development.
π - Country
United States
π± - Currency
$ USD
-
π° - Day rate
800
-
ποΈ - Date
May 2, 2026
π - Duration
More than 6 months
-
ποΈ - Location
Hybrid
-
π - Contract
Unknown
-
π - Security
Unknown
-
π - Location detailed
Sunnyvale, CA
-
π§ - Skills detailed
#Python #AI (Artificial Intelligence) #Metadata #Automated Testing #C++ #Programming #API (Application Programming Interface) #Observability #SaaS (Software as a Service) #Batch #Cloud #REST (Representational State Transfer)
Role description
Job Description
LeadStack Inc. is an award winning, one of the nation's fastest growing, certified minority owned (MBE) staffing services provider of contingent workforce. As a recognized industry leader in contingent workforce solutions and Certified as a Great Place to Work, we're proud to partner with some of the most admired Fortune 500 brands in the world.
Job Title: Senior Backend Engineer/ Simulation Software Engineer.
Duration: 6+ months
Location: Sunnyvale, CA (Hybrid)
Pay Rate: $80/hr - $100/hr
Description
Build the core software foundation for simulation-based systems in specialty domains. This role focuses on high-performance computation services, workflow orchestration, and enterprise-grade integrations that generate reproducible and traceable outputs for enterprise and mainstream users.
Responsibilities
β’ Design and implement product features and workflows in C++ and Python, including numerical routines, algorithms, and user interfaces.
β’ Build orchestration for multi-step workflows, including project state, job execution, persistence, and versioning.
β’ Implement robust API contracts and data schemas for results, metadata, and provenance.
β’ Integrate with enterprise data sources, cloud-based systems, and GPUs.
β’ Engineer for production quality through testing, performance profiling, reliability patterns, observability, secure coding, and maintainability.
Required Qualifications
β’ 10+ years of production software development experience; BS/MS in CS/CE/EE or equivalent.
β’ Strong C/C++ and Python experience with a solid foundation in data structures and algorithms.
β’ Experience with AI-assisted programming and testing.
β’ Experience in UI and UX development.
β’ Experience designing, implementing, and operating backend services using REST/gRPC, along with CI/CD and automated testing.
Preferred Qualifications
β’ Experience with geometry/CAD ingestion or computational geometry.
β’ SaaS/cloud-based development and testing experience.
β’ Experience with GPU acceleration, AI agents, and models.
β’ Familiarity with hybrid interactive and batch execution patterns
know more about current opportunities at LeadStack , please visit us on https://leadstackinc.com/careers/
Should you have any questions, feel free to call me on (513) 3184502 or send an email on waseem.ahmad@leadstackinc.com
Job Description
LeadStack Inc. is an award winning, one of the nation's fastest growing, certified minority owned (MBE) staffing services provider of contingent workforce. As a recognized industry leader in contingent workforce solutions and Certified as a Great Place to Work, we're proud to partner with some of the most admired Fortune 500 brands in the world.
Job Title: Senior Backend Engineer/ Simulation Software Engineer.
Duration: 6+ months
Location: Sunnyvale, CA (Hybrid)
Pay Rate: $80/hr - $100/hr
Description
Build the core software foundation for simulation-based systems in specialty domains. This role focuses on high-performance computation services, workflow orchestration, and enterprise-grade integrations that generate reproducible and traceable outputs for enterprise and mainstream users.
Responsibilities
β’ Design and implement product features and workflows in C++ and Python, including numerical routines, algorithms, and user interfaces.
β’ Build orchestration for multi-step workflows, including project state, job execution, persistence, and versioning.
β’ Implement robust API contracts and data schemas for results, metadata, and provenance.
β’ Integrate with enterprise data sources, cloud-based systems, and GPUs.
β’ Engineer for production quality through testing, performance profiling, reliability patterns, observability, secure coding, and maintainability.
Required Qualifications
β’ 10+ years of production software development experience; BS/MS in CS/CE/EE or equivalent.
β’ Strong C/C++ and Python experience with a solid foundation in data structures and algorithms.
β’ Experience with AI-assisted programming and testing.
β’ Experience in UI and UX development.
β’ Experience designing, implementing, and operating backend services using REST/gRPC, along with CI/CD and automated testing.
Preferred Qualifications
β’ Experience with geometry/CAD ingestion or computational geometry.
β’ SaaS/cloud-based development and testing experience.
β’ Experience with GPU acceleration, AI agents, and models.
β’ Familiarity with hybrid interactive and batch execution patterns
know more about current opportunities at LeadStack , please visit us on https://leadstackinc.com/careers/
Should you have any questions, feel free to call me on (513) 3184502 or send an email on waseem.ahmad@leadstackinc.com






