Application Guide

How to Apply for Staff Software Engineer (Core Tech API Platform - Customer)

at OVO Energy

🏢 About OVO Energy

OVO Energy is a purpose-driven company focused on making energy cheaper, greener, and simpler to combat the climate crisis. Unlike traditional energy companies, OVO combines technology innovation with sustainability goals, creating meaningful work for engineers who want to impact both customer experience and environmental outcomes. Their 'Everyone belongs' philosophy emphasizes diversity and inclusion as core to solving humanity's biggest challenges.

About This Role

As a Staff Software Engineer on the Core Tech API Platform - Customer team, you'll design and build APIs that directly serve OVO's customer-facing applications, enabling seamless energy management experiences. This role requires technical excellence and influence to drive API platform strategy while collaborating with cross-functional teams to deliver scalable solutions. Your work will amplify OVO's mission by creating the technical foundation for customer interactions with greener energy.

💡 A Day in the Life

A typical day involves collaborating with product teams to design customer-facing APIs, reviewing platform architecture decisions with engineering peers, and mentoring engineers on API best practices. You might spend mornings in deep technical work on platform scalability, then afternoons in cross-functional meetings aligning API capabilities with customer experience goals, with occasional travel to hub offices for in-person collaboration and connection events.

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Interview Prep

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🎯 Who OVO Energy Is Looking For

  • Expert-level software engineer with 8+ years experience building and scaling API platforms, particularly in customer-facing domains
  • Strong communicator who can influence technical decisions and mentor engineers while collaborating with Delivery & Growth Lead
  • Demonstrates 'amplification' through experience improving team productivity and platform reliability
  • Comfortable with hybrid work (at least weekly office visits to Bristol, Glasgow, or London hubs) and in-person connection events

📝 Tips for Applying to OVO Energy

1

Highlight specific API platform projects where you improved customer experience, not just technical implementation details

2

Demonstrate how your work aligns with OVO's sustainability mission - connect technical decisions to environmental impact

3

Emphasize 'amplification' experiences: times you've mentored engineers or improved team delivery processes

4

Show familiarity with hybrid work models and willingness to participate in hub-based collaboration

5

Address why you want to work specifically on customer APIs in the energy sector, not just any API platform role

✉️ What to Emphasize in Your Cover Letter

['Connect your API platform experience directly to improving customer experiences in regulated industries', "Demonstrate understanding of OVO's mission and how API work supports making energy greener and simpler", 'Provide specific examples of technical influence and team amplification beyond individual coding contributions', "Express enthusiasm for hybrid collaboration and OVO's hub-based model with in-person connection events"]

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → OVO's 'Plan Zero' sustainability commitments and how technology enables these goals
  • → OVO's customer-facing products (app, website) to understand current API consumption patterns
  • → Recent OVO tech blog posts or engineering talks about their platform architecture
  • → Energy sector regulations in the UK that might impact API design (data privacy, accessibility)

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 How would you design an API platform that balances customer needs with OVO's sustainability goals?
2 Describe a time you influenced technical decisions across multiple teams - what was the outcome?
3 How do you measure success for a customer-facing API platform beyond technical metrics?
4 What experience do you have mentoring engineers while maintaining delivery excellence?
5 How would you approach API design for energy management features that need to work across web and mobile?
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⚠️ Common Mistakes to Avoid

  • Focusing only on technical implementation without connecting to customer or business outcomes
  • Ignoring the hybrid work requirement or expressing unwillingness to participate in hub-based collaboration
  • Treating this as just another API role without demonstrating passion for OVO's sustainability mission

📅 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 OVO Energy!

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