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Senior Engineer

Certn

United Kingdom

Remote

GBP 106,000 - 133,000

Full time

7 days ago

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Job summary

Join a leading company as a Senior Engineer, where you will design and maintain essential software solutions. Work in a dynamic environment focused on innovation, collaboration, and professional growth. Enjoy a fully remote workplace with a comprehensive benefits package.

Benefits

4 weeks of paid vacation

Comprehensive health and benefits package

Home-office allowance

Budget for certifications and courses

Qualifications

Proven experience delivering high-quality SaaS software.
Deep understanding of relational database schema design.
Experience deploying applications on AWS or Azure.

Responsibilities

Design, build, and maintain scalable software solutions.
Collaborate with cross-functional teams to deliver solutions.
Guide junior engineers through design reviews and best practices.

Skills

Collaboration

Software Development

Code Quality

Technical Leadership

Communication

Education

Bachelor's Degree in Computer Science or related field

Tools

AWS

Azure

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This range is provided by Certn. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

CA$106,000.00/yr - CA$132,500.00/yr

Who We Are

At Certn, we’re revolutionizing background screening with The World’s Easiest Background Check—fast, global, and powered by tech. We’re not about outdated processes and red tape. We’re about innovation, speed, and impact. If you’re looking for a place where ownership, collaboration, and creativity thrive, this is it.

The Role:

We’re seeking a Senior Engineer who can design, build, and maintain scalable software solutions underpinning Certn’s core platform. As a senior member of the engineering team, you’ll drive technical decisions, ensure code quality, and mentor junior developers. You’ll collaborate with Product Managers and cross-functional partners to deliver high-impact features and drive continuous improvements in performance, reliability, and development practices.

What you will be doing:

Software Development: Collaborate with cross-functional teams to deliver customer-facing solutions. Own code quality, test coverage, observability, and documentation—from high-level architecture down to sequence diagrams. Take charge of high-priority bug fixes and unblock customers with rapid triage and resolution.
Codebase Maintenance: Refactor legacy code, squash technical debt, and optimize performance. Participate in a shared on-call rotation to support critical services and ensure platform reliability during and outside business hours
Mentorship & Leadership : Guide junior and intermediate engineers through design reviews, pair programming, and best practices. Serve as the Tech Lead on critical projects: clarify requirements with product managers, provide architectural guidance, and ensure successful delivery.
Stay Ahead of the Curve: Keep abreast of emerging technologies, propose improvements, and introduce innovative solutions that push our platform forward.

What You Bring to the Table:

Proven SaaS Experience: Demonstrated success delivering high-quality SaaS software in an Agile environment, with strong proficiency in multiple languages and frameworks.
Database & API Expertise: Deep understanding of relational databases schema design, optimization, and performance tuning. Fluent in REST API design, authentication, and authorization best practices.
Cloud & Deployment Know-How: Experience deploying, configuring, and troubleshooting applications on AWS or Azure in enterprise settings.
Collaborative Communication: Excellent verbal/written communication—comfortable participating in client calls to provide technical expertise when needed.

Why You Should Be Excited:

Vacation Mode On: 4 weeks of paid vacation + additional health & wellness time off.
Health and Benefits: Comprehensive Package for you and your dependents.
Flex Life: Fully remote setup with a home-office allowance and flex stipend.
Growth Fuel: Budget to attend industry conferences, pursue certifications, or take advanced courses.
Impact & Ownership: Own critical system components that directly affect customer experience and platform stability.
Team Energy: Collaborate with passionate engineers who value craftsmanship, continuous improvement, and collective success.

A Little Bit More About Us

If you’re stoked by the chance to drive bold innovation, smash silos, and deliver world-class products, we want to hear from you. Let’s build something epic together

Certn is a growing global technology company that is looking to reinvent the way organizations build Trust in People with technology and AI-backed background checks. Having recently been named one of Canada’s Companies-to-Watch in Deloitte’s Technology Fast 50 Awards, we are becoming one of the fastest-growing start-ups.

Just so you know… The selected candidate will be required to complete a background check. This means you will get to see first hand what we do (and trust us, we do it REALLY well)!

Certn takes pride in being an advocate for equal opportunities in the workplace. Our commitment is reflected in how we’re creating a workplace that’s respectful, inclusive, and free from barriers—a place where each member of our team can achieve their full potential. We firmly believe that the strength of our company is rooted in diversity, and we encourage every individual to bring their authentic selves to work. We extend a warm welcome to all qualified candidates and hope that you'll consider Certn as your preferred employer, where you can thrive and contribute to our collective success.

If you have a disability that requires accommodation during any stage of our recruitment process, please let us know how we can best assist you.

Compensation Range: CA$106K - CA$132.5K

Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time

Job function

Job function
Engineering and Information Technology
Industries
Software Development

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