Senior C# Full-Stack Engineer AI Data & Infrastructure
About the Job
Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. We work on real production systems and high-impact research workflows across data, tooling, and infrastructure.
Position
Senior C# Full-Stack Engineer — AI Data & Infrastructure
Type: Contract, Remote Commitment: 20–40 hours/week Compensation: Competitive, hourly (based on experience)
Role Responsibilities
- Design, build, and optimize high-performance systems in C# supporting AI data pipelines and evaluation workflows
- Develop full-stack tooling and backend services for large-scale data annotation , validation, and quality control
- Improve reliability, performance, and safety across existing C# codebases
- Collaborate with data, research, and engineering teams to support model training and evaluation workflows
- Identify bottlenecks and edge cases in data and system behavior, and implement scalable fixes
- Participate in synchronous reviews to iterate on system design and implementation decisions
Qualifications
Must-Have
- Native or fluent English speaker
- Full-stack developer experience with a strong systems programming background
- 3-5+ years of professional experience writing production C++ (with a focus on modern standards like C++17 or C++20).
- Strong systems programming background in performance optimization, concurrency (e.g., threading, atomics), and memory safety (e.g., RAII, smart pointers, sanitizers).
- Clear written and verbal communication skills.
- Ability to commit 20–40 hours per week.
Preferred
- Prior experience with data annotation , data quality, or evaluation systems
- Familiarity with AI/ML workflows, model training, or benchmarking pipelines
- Experience with distributed systems or developer tooling
Application Process
- Submit your resume
- Complete a short technical screening
- Project matching and onboarding
$50 - $75 an hour
Recommended Jobs
Teacher adjunct/Aide
Teacher adjunct/Aide We are seeking for some great people to join our Education team as Teacher adjuncts and Teacher Aides. In the position as Teacher adjunct, we ask that you be certified by NY…
Dishwasher
Position Summary: We are seeking a reliable and detail-oriented Kitchen Porter to support our culinary team in maintaining a clean, organized, and DOH-compliant kitchen environment. The ideal candid…
Cultivation Technician/Flower Lead
Who we are Here at Vireo Health, Inc. (“Vireo”) our mission is to bring the best of technology, science, and engineering to the cannabis industry. We are a physician-led, customer-focused team of …
Job Opportunity: Mathematics Teacher
Mathematics Teacher POSITION OVERVIEW Math Teacher - Schenectady, NY Sign On Bonus - $2,500 Northern Rivers is seeking aMathematics Teacher at the School at Northeast in Schenec…
Independent Medical Examiner- Orthopedic Surgery in Brooklyn, NY
Job Description: We are seeking a skilled and board-certified Orthopedic Surgeon to join our team in Brooklyn, NY, for Independent Medical Examinations (IMEs). This role offers flexible scheduling…
Senior Account Manager
Direct Agents is looking for an experienced Senior Client Services Manager to lead client accounts, deliver standout campaigns, and build impactful relationships. This NYC based role has a competi…
Sr. COBOL Developer -Albany NY
Job Description Hi, Cobol resource Location: Albany NY Long Term Duties Description : Specific duties shall include but are not limited to: Analyze and record the business req…
Oracle Director, Business Value Service - Public Sector
Job Description About the team Oracle's ERP Business Value Services team collaborates with customers in discovering, quantifying, and maximizing the realization of value from their digital…
IED - Equity Derivatives Strat - Structured Derivative Platform - Associate/Vice President
Morgan Stanley's Equities Derivatives division is looking for a strategist/quantitative analyst for its Derivative Strat team. Desk strategists are key participants, together with sales and trading, …
Software Engineer (Ruby on Rails)
Jahnel Group’s mission is to provide the absolute best environment for software creators to pursue their passion by connecting them with great clients doing meaningful work. We get to build some …