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Software Development Engineer III, Extensions

Learneo

India - Remote Remote permanent

Posted: January 30, 2026

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Job Description

About Learneo
Learneo is a platform of builder-driven businesses, including Course Hero, CliffsNotes, LitCharts, Quillbot, Symbolab, and Scribbr, all united around a shared mission of supercharging productivity and learning for everyone. We attract and scale high growth businesses built and run by visionary entrepreneurs. Each team innovates independently but has a unique opportunity to collaborate, experiment, and grow together, and they are supported by centralized corporate operations functions, including HR, Finance and Legal.

Responsibilities

• Work on and able to set well-scoped milestones of projects and get them delivered on-time with minimal errors and high-quality without any guidance.

• Work with other engineers to ensure optimum solution design for each of the new features / -modules developed.

• Understand and contribute to the product roadmap.

• Set up best practices for development and champion their adoption.

• Collaborate across teams to define interfaces, simplify integrations, and build reusable components and services.

• Mentor engineers, provide technical guidance, and influence architecture and roadmap decisions through strong technical leadership.

• Drive engineering excellence: design docs, code reviews, testing strategy, observability, rollout safety, and incident response.

• Diagnose and resolve production issues across the stack; participate in on-call/operational rotations and improve systems to reduce operational load.

Qualifications

• 7+ years of strong hands-on development experience on web technologies.

• Strong expertise in Frontend Technologies such as - TypeScript, DOM rendering including manipulation and parsing, UI Libraries and Frameworks like ReactJS.

• Strong programming skills in at least one backend language (Python/Node.js) and strong CS fundamentals.

• Has good exposure working with high-scale production applications.

• Strong analytical and problem-solving skills.

• Strong knowledge of design patterns and their applications.

• Strong affinity for producing highly optimum, performant, and production-quality code.

• A technologist at heart and passionate about the latest technological developments.

• Experience working with cross-browser Web extensions is a great plus.

• Experience working in the AI/ML domain, specifically on-device AI models is a plus.

Benefits & Perks

• Competitive salary and annual bonus

• Medical coverage

• Life and accidental insurance

• Vacation & leaves of absence (menstrual, flexible, special, and more!)

• Developmental opportunities through education & developmental reimbursements & professional workshops

• Maternity & parental leave

• Hybrid & remote model with flexible working hours

• On-site & remote company events throughout the year

• Tech & WFH stipends & new hire allowances

• Employee referral program

• Premium access to QuillBot

*Benefits and benefit amounts differ by region. A comprehensive list applicable to your region will be provided in your interview process.

Research shows that candidates from underrepresented backgrounds often don't apply for roles if they don't meet all the criteria. We strongly encourage you to apply if you're interested: we'd love to learn how you can amplify our team with your unique experience!

This role is eligible for hire in India.

We are a virtual-first company and have employees dispersed throughout the United States, Canada, India, Israel Germany, and the Netherlands. We have a market-based pay structure that varies by location. The base pay for this position is dependent on multiple factors, including candidate experience and expertise, and may vary from the amounts listed. You may also be eligible to participate in our bonus program and may be offered benefits, and other types of compensation.

#Learneo
#LI-Remote
#LI-SG1

Equal ​Employment Opportunity Statement ​(EEO)

We are an equal opportunity employer and value diversity and ​inclusion within our company. ​We will consider all qualified applicants without regard to race, religion, color, national origin, sex, gender ​identity, gender expression, sexual orientation, age, marital status, ​veteran status, or ​ability status. We will ensure that individuals who are differently abled are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment as provided to other applicants or employees. Please contact us to request accommodation.

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