Staff Software Engineer - Fullstack

At Quickbase, we help organizations build better ways to run their operations. Our products give teams the flexibility to create applications around how their work actually happens, connecting people, information, and processes so they can keep work moving as needs change.

For more than 25 years, organizations have turned to Quickbase to solve operational challenges that off-the-shelf software wasn't built for. Today, we’re building on that foundation with new products and new possibilities for how people create, adapt, and improve the systems their work depends on.

Working at Quickbase means helping find better ways forward. We’re a team of curious, collaborative people who care about solving problems, learning as we go, and building things that make work better for our customers and each other.

Job Title: Staff Fullstack Engineer (React / TypeScript)

Location: Sofia, Bulgaria

Department: Engineering

Reports to: Sr Manager, Software Engineering

Job Summary

We are building a new product at Quickbase that helps users in operations-heavy industries get their work done, with agents that do that work alongside them. The product runs on the agentic foundation built for Pave, our AI app builder, and what we are building on top of it is its own distinct product. As a Staff Fullstack Engineer, you will build the experience people actually use to work with it — the interfaces where people hand work to agents, follow along, step in when they want, and manage them end to end.

Job Duties and Responsibilities

• Build and ship fullstack features end to end, from design through production.
• Build the UI for configuration and workflow-authoring surfaces, including a visual workflow builder that lets users change product behavior themselves.
• Build chat-driven interfaces for agent interactions including streaming responses, tool-use visibility, and preview surfaces.
• Work across the stack when needed, consuming and occasionally shaping backend APIs to deliver complete solutions.
• Evolve frontend architecture as the product and its requirements grow.

Basic Qualifications

• Strong React and TypeScript experience with a track record of shipping production features.
• Comfortable working across frontend and backend.
• Experience building complex, stateful UI — visual or node-based editors, real-time or streaming interfaces, or similar.
• Strong architectural instincts with the ability to consider system and product impact when making decisions.
• Cares about UX as much as engineering craft.
• Enjoys owning features end to end and building polished product experiences.
• Active user of AI coding tools in day-to-day development workflow with shipped production features front to back.

Preferred Qualifications

• Experience with AI coding assistants such as Copilot, Cursor, Claude Code, or similar.
• Experience with node-based or graph UI libraries such as React Flow or XYFlow, or visual editors.
• Experience with code editor components such as CodeMirror or Monaco.
• Design systems experience.
• Exposure to AWS-based backends including DynamoDB, Lambda, and ECS.

How We Think About AI
At Quickbase, we view AI as a tool to accelerate how work gets done — not replace it. We encourage thoughtful use of AI to improve speed, quality, and decision-making, while maintaining strong judgment, accountability, and data integrity.

Benefits

• Unlimited remote work policy
• 25 days of annual leave, 2 additional days off for volunteering
• Competitive remuneration package incl. an annual bonus
• Top-notch IT setup.
• Mental health support, life insurance, food vouchers
• Additional health insurance - for you and your loved ones
• Annual wellness support allowance
• External Professional Learning Opportunities

Equal Opportunity Statement

Quickbase is committed to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply – even if you don’t meet every qualification listed. We are proud to be an equal opportunity employer.