Sr. Software Engineer I (Remote Eligible in Bulgaria)

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for peopl...

We are looking for a passionate and experienced Senior Software Engineer to join our Workflow Builder pillar. In this role, you will be a key architect of our next-generation drag-and-drop workflow experience—balancing a highly interactive visual layer with the robust, scalable back-end systems that thousands of tea...

You will work at the intersection of high-performance UI rendering, scalable API design, and distributed systems architecture. This is your opportunity to build an end-to-end product that users touch every day, deeply integrating modern React patterns, cloud-native services, and cutting-edge AI orchestration.

5+ years of professional software engineering experience, with a proven track record of shipping production-grade full-stack web applications.
Deep experience in at least one major back-end language (such as Java, Kotlin, Go, or Python) alongside experience designing relational/non-relational databases and distributed cloud architectures (AWS).
Proficiency with React (v17+), TypeScript, HTML5, and modern CSS layout systems (Grid, Flexbox, Custom Properties).
Strong understanding of API design principles and frontend state management patterns (Redux Toolkit, Zustand, Jotai, or React Query).
Proven experience optimizing both backend service performance (query tuning, caching) and frontend rendering, alongside an understanding of web accessibility standards (WCAG 2.1 AA).
Experience writing reliable unit, integration, and end-to-end tests across the entire application stack.
1+ year of professional experience leveraging AI-based workflows to author/review code, and/or building product features that incorporate generative AI/agents.
Legally eligible to work in Bulgaria on an ongoing basis.
Fluency in English is required

 
Familiarity with canvas/SVG rendering libraries (Fabric.js, Konva, React Flow) for building highly interactive workflow diagram surfaces.
Experience with micro-frontend architectures, module federation, or event-driven backend architectures.
Background in drag-and-drop UI frameworks (dnd-kit, react-beautiful-dnd) or custom graph-traversal algorithms on the backend.
Relevant cloud certifications (e.g., AWS Certified Developer / Solutions Architect).

 
Smartsheet provides a competitive base salary range for roles that may be hired in different geographic areas we are licensed to operate our business from. Actual compensation is determined by several factors including, but not limited to, level of professional, educational experience, skills, and specific candidate location. In addition, this role will be eligible for a market competitive incentive opportunity.
BG Base Salary Pay Range
€ 58,250 - € 69,750 EUR
 
Get to Know Us:
At Smartsheet, your ideas are heard, your potential is supported, and your contributions have real impact. You’ll have the freedom to explore, push boundaries, and grow beyond your role. We welcome diverse perspectives and nontraditional paths—because we know that impact comes from individuals who care deeply and challenge thoughtfully. When you’re doing work that stretches you, excites you, and connects you to something bigger, that’s magic at work. Let’s build what’s next, together.