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- Tasks: Design and optimise high-performance C# systems for AI data pipelines.
- Company: Alignerr connects top tech experts with leading AI labs.
- Benefits: Competitive hourly pay, flexible remote work, and impactful projects.
- Why this job: Join a cutting-edge team and shape the future of AI technology.
- Qualifications: 3-5 years in full-stack development with strong C++ skills.
- Other info: Flexible hours and opportunities for professional growth.
The predicted salary is between 26 - 32 £ per hour.
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
Senior C# Full-Stack Engineer — AI Data & Infrastructure in London employer: Alignerr
Contact Detail:
Alignerr Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior C# Full-Stack Engineer — AI Data & Infrastructure in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the AI and tech space. Attend meetups, webinars, or online forums where you can chat with industry folks. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those related to C# and AI data systems. This is your chance to demonstrate what you can do beyond just a CV.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice common coding challenges and be ready to discuss your past experiences in detail. We want to see how you think and solve problems!
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining our team at Alignerr. Don’t miss out on this opportunity!
We think you need these skills to ace Senior C# Full-Stack Engineer — AI Data & Infrastructure in London
Some tips for your application 🫡
Tailor Your Resume: Make sure your resume highlights your full-stack development experience and systems programming skills. We want to see how your background aligns with the role, so don’t be shy about showcasing relevant projects!
Show Off Your Communication Skills: Since clear communication is key for us, ensure your written application reflects your ability to convey complex ideas simply. Use straightforward language and structure your thoughts logically.
Highlight Relevant Experience: If you’ve worked on AI data pipelines or similar projects, make it known! We’re looking for candidates who can demonstrate their understanding of performance optimisation and system reliability.
Apply Through Our Website: We encourage you to submit your application through our website. It’s the best way for us to keep track of your application and ensures you’re considered for the role!
How to prepare for a job interview at Alignerr
✨Know Your C# Inside Out
Make sure you brush up on your C# skills, especially focusing on modern standards like C# 9 or later. Be prepared to discuss performance optimisation techniques and how you've tackled concurrency issues in past projects.
✨Showcase Your Full-Stack Experience
Be ready to talk about your full-stack development experience. Highlight specific projects where you've built backend services or tooling, and explain how they contributed to data annotation or quality control.
✨Communicate Clearly
Since clear communication is key, practice explaining complex technical concepts in simple terms. This will help you during collaborative discussions with data and research teams, showcasing your ability to work well in a team.
✨Prepare for Technical Challenges
Expect to face some technical challenges during the interview. Brush up on identifying bottlenecks and edge cases in systems, and think through scalable solutions you’ve implemented in the past. This will demonstrate your problem-solving skills effectively.
