Senior C# Full-Stack Engineer — AI Data & Infrastructure
Senior C# Full-Stack Engineer — AI Data & Infrastructure

Senior C# Full-Stack Engineer — AI Data & Infrastructure

Full-Time 39 - 58 £ / hour (est.) No home office possible
A

At a Glance

  • Tasks: Design and optimise high-performance C# systems for AI data workflows.
  • Company: Alignerr connects tech experts with leading AI labs for impactful projects.
  • Benefits: Competitive hourly pay, remote work, and flexible hours.
  • 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: Collaborative environment with opportunities for professional growth.

The predicted salary is between 39 - 58 £ 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.

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 employer: Alignerr

Alignerr is an exceptional employer for Senior C# Full-Stack Engineers, offering a dynamic remote work environment that fosters collaboration with leading AI labs. With competitive hourly compensation and a commitment to employee growth, we provide opportunities to work on impactful projects that shape the future of AI technology. Our culture prioritises innovation and teamwork, ensuring that every team member can contribute meaningfully while developing their skills in a supportive setting.
A

Contact Detail:

Alignerr Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior C# Full-Stack Engineer — AI Data & Infrastructure

Tip Number 1

Network like a pro! Reach out to your connections in the tech world, especially those in AI and data. A friendly chat can lead to opportunities that aren’t even advertised yet.

Tip Number 2

Show off your skills! Create a portfolio showcasing your C# projects, especially those related to AI or data infrastructure. This gives potential employers a taste of what you can do.

Tip Number 3

Prepare for interviews by brushing up on your technical knowledge and soft skills. Practice common interview questions and be ready to discuss your past projects in detail.

Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step!

We think you need these skills to ace Senior C# Full-Stack Engineer — AI Data & Infrastructure

C#
Full-Stack Development
Systems Programming
C++
Performance Optimization
Concurrency
Memory Safety
Data Annotation
Data Quality
AI/ML Workflows
Model Training
Benchmarking Pipelines
Distributed Systems
Developer Tooling
Clear Communication Skills

Some tips for your application 🫡

Craft a Tailored 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 that. Use straightforward language and structure your thoughts logically to demonstrate your ability to convey complex ideas effectively.

Highlight Relevant Experience: When detailing your work history, focus on experiences that relate to AI data pipelines, performance optimisation, and any tools you've developed. We’re keen to see how you’ve tackled challenges in past roles!

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. Plus, it’s super easy!

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 your experience with performance optimisation and concurrency, as these are crucial for the role.

Showcase Your Full-Stack Experience

Be ready to talk about your full-stack development projects. Highlight specific examples where you've built or optimised systems, particularly those related to data pipelines or AI workflows. This will demonstrate your hands-on experience and problem-solving skills.

Communicate Clearly

Since clear communication is key, practice explaining complex technical concepts in simple terms. You might be asked to collaborate with non-technical teams, so showing that you can bridge the gap will set you apart.

Prepare for Technical Questions

Expect technical questions that test your knowledge of systems programming and memory safety. Brush up on topics like threading, atomics, and smart pointers. Consider doing mock interviews to get comfortable with articulating your thought process.

Senior C# Full-Stack Engineer — AI Data & Infrastructure
Alignerr

Land your dream job quicker with Premium

You’re marked as a top applicant with our partner companies
Individual CV and cover letter feedback including tailoring to specific job roles
Be among the first applications for new jobs with our AI application
1:1 support and career advice from our career coaches
Go Premium

Money-back if you don't land a job in 6-months

A
Similar positions in other companies
UK’s top job board for Gen Z
discover-jobs-cta
Discover now
>