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 people to focus on what truly matters: judgment, creativity, and big thinking.

That is magic at work, and it’s what we show up for every day. We are seeking a passionate and experienced Sr. Software Engineer I to join our Security Application Development team.

In this role, the successful candidate will be instrumental in designing, building, and maintaining robust security features for our SaaS product that will delight our customer CIOs. This position involves working on challenging problems at the intersection of application development and security, directly contributing to the resilience and trustworthiness of our platform. This is an exciting opportunity to leverage software development expertise to create secure-by-design solutions that protect our customers and their data 24/7.

You will work remotely from Bulgaria. , Java, Kotlin, Go, TypeScript, Python) and associated frameworks, applying deep technical knowledge and sustained concentration to deliver secure-by-design solutions. Develop scalable back-end services and APIs with a security-first mindset, ensuring high availability and performance in our multi-cloud environment (primarily AWS), requiring careful planning and prioritisation across concurrent workstreams.

a with product and engineering teams to embed security best practices throughout the entire software development lifecycle, from design to deployment, communicating clearly and engaging constructively with stakeholders across disciplines. Engineer and automate security controls, threat detection mechanisms, and vulnerability remediation processes within the application, exercising independent analytical judgement to identify and resolve complex problems. Participate actively in code reviews and architectural discussions, advocating for secure coding practices and robust security designs, and contributing to well-documented technical decisions.

Tackle complex security challenges related to data protection, access control, authentication, authorisation, and secure communication within a distributed system, maintaining focus and rigour under pressure. Create and maintain API integrations between internal and external systems, implementing and testing API solutions to ensure they meet functionality, performance, and security standards, and monitoring integration health on an ongoing basis. Serve as a subject matter expert in application security, mentoring junior engineers and fostering a culture of security ownership across development teams, actively supporting the growth and capability of peers.

Strategically apply and champion AI tools within the team's domain to improve project execution, system design, quality, and debugging, leading adoption of AI best practices and driving measurable productivity gains. Assist with security incident remediation in support of the globally operated 24/7 Security Operations Centre, contributing during daytime working hours and demonstrating resilience and composure when managing time-sensitive situations. Handle sensitive security-related data, documentation, and incident records with appropriate confidentiality and rigour, maintaining accurate reporting in line with internal standards.

Perform all work using standard computer and keyboard use in a remote environment, with standard sedentary work involving extended screen use.