Senior Full Stack Engineer

Job overview

Senior Full Stack Engineer is a remote role for applicants residing within a two-hour drive of Greater Boston, with occasional in-person office meetings typically every 4–6 weeks. The base salary range is $120,000–$160,000 per year. Sincere builds technology and brands intended to help people connect, celebrate milestones, and honor memories. The engineer owns product initiatives from opportunity discovery through launch and iteration, building full-stack features and improving customer-facing products. The role balances customer needs, product quality, maintainability, performance, and business impact while collaborating with product, design, and engineering partners.

What you'll do

• Build full-stack features using Ruby on Rails and Next.js
• own product initiatives end-to-end
• partner with product/project managers and designers to identify customer needs and opportunities
• use AI-assisted development tools to explore, develop, test, and ship
• make practical technical decisions
• build polished and reliable user experiences
• monitor production behavior and investigate issues using Datadog and Mixpanel
• improve products, engineering practices, and customer experience.

What we're looking for

Skills & competencies

senior full stack engineer

remote

greater boston

sincere corporation

ruby on rails

next.js

typescript

react

aws

mysql

postgres

$120k–$160k per year

hybrid work environment

paid parental leave

Work arrangement

• Weekend coverage required

Benefits & perks

• 100% health, dental, and vision coverage
• 401(k) with profit share
• annual bonus potential
• health and wellness stipends
• paid time off, 12 paid holidays, and Summer Fridays
• paid parental leave
• dependent care FSA
• flexible hybrid work environment
• and twice-yearly all-expenses-paid team summits.

Why this role

The posting describes a high-ownership individual contributor role and a flexible hybrid work environment, with remote work and occasional in-person meetings.

About the employer

Sincere Corporation is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.