Application Guide

How to Apply for Team Lead - Software Development

at ONYX Insight

🏢 About ONYX Insight

ONYX Insight is a leader in predictive analytics for the wind energy sector, using data-driven solutions to optimize turbine performance and reduce downtime globally. What makes them unique is their specialized focus on renewable energy technology, combining software engineering with domain expertise to create tangible environmental impact. Working here offers the opportunity to contribute directly to sustainable energy solutions while being part of a technically sophisticated team.

About This Role

This Team Lead position combines hands-on software development with leadership responsibilities, focusing on maintaining and enhancing the core data platform for wind energy analytics. You'll be responsible for both writing robust C# .NET code and mentoring a development team, directly impacting how wind farms worldwide optimize their operations. The role bridges technical execution with team management, requiring you to balance delivery priorities with long-term technical health.

💡 A Day in the Life

A typical day might involve morning stand-ups with your development team, followed by hands-on coding sessions to enhance the core data platform using C# .NET and AWS services. You'd spend time reviewing team members' code, providing technical guidance, and collaborating with product owners to translate wind energy optimization requirements into technical solutions, while balancing immediate sprint tasks with long-term architectural improvements.

🎯 Who ONYX Insight Is Looking For

  • Has 5+ years of commercial C# .NET experience with recent versions, plus hands-on AWS cloud services and PostgreSQL database development
  • Demonstrates experience in both technical architecture design and team leadership, showing ability to mentor developers while maintaining code quality
  • Possesses practical experience with Agile methodologies, CI/CD pipelines, and modern DevOps practices in a production environment
  • Shows genuine interest in renewable energy or data analytics domains, with ability to translate business requirements into technical solutions

📝 Tips for Applying to ONYX Insight

1

Highlight specific C# .NET projects where you contributed to architecture decisions, especially those involving AWS services or PostgreSQL databases

2

Include concrete examples of mentoring junior developers or leading code review processes in your resume

3

Demonstrate understanding of wind energy or predictive analytics by mentioning relevant technologies or challenges in your application

4

Show how you've balanced technical debt management with delivery priorities in previous roles

5

Reference ONYX Insight's specific mission in your application materials to show genuine interest in their renewable energy focus

✉️ What to Emphasize in Your Cover Letter

['Your experience with C# .NET in commercial settings, specifically mentioning recent versions and architectural contributions', 'Examples of successfully mentoring developers or leading technical teams while maintaining hands-on coding responsibilities', 'How your background with AWS, PostgreSQL, and CI/CD pipelines aligns with their platform needs', "Why you're specifically interested in applying software development to wind energy optimization"]

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • ONYX Insight's specific products and how they apply predictive analytics to wind turbines
  • The wind energy industry's current challenges and technological trends
  • The company's recent projects or case studies mentioned on their website or in industry publications
  • Nottingham's tech scene and how ONYX Insight fits within the local engineering community

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Technical deep-dive on C# .NET architecture decisions you've made, particularly for web applications
2 Scenario-based questions about balancing team mentorship with individual coding contributions
3 Discussion of your experience with AWS services and how you've implemented scalable solutions
4 Questions about managing technical debt while meeting sprint commitments in Agile environments
5 How you would approach automating data processes for wind turbine analytics specifically
Practice Interview Questions →

⚠️ Common Mistakes to Avoid

  • Applying with generic software development experience without highlighting specific C# .NET, AWS, or PostgreSQL expertise
  • Focusing only on leadership experience without demonstrating recent hands-on coding ability
  • Showing no knowledge or interest in renewable energy or predictive analytics domains

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

Offer

Congratulations!

Ready to Apply?

Good luck with your application to ONYX Insight!