Staff Software Engineer – Scala to functional Kotlin

Who is Tenable?

Tenable® is the Exposure Management company. 44,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 45 percent of the Global 2000, and large government agencies. Come be part of our journey!

What makes Tenable such a great place to work?

Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together!

Your Role:

Tenable is seeking a Staff Software Engineer to play a pivotal role in the migration of our Web Application Scanner (WAS) from Scala to functional Kotlin. This position is ideal for engineers who have a strong background in functional programming and experience with either Scala or Kotlin (functional, not object-oriented).

As part of our core product engineering team, you’ll help design, refactor, and optimize highly scalable, cloud-native security applications. You’ll also work on the underlying architecture, ensuring performance, reliability, and maintainability as we transition from Scala to Kotlin.

Your Opportunity:

• Lead a key transition: Drive the migration from Scala to Kotlin while maintaining high performance, security, and scalability
• Functional programming focus: Apply functional programming principles to build highly efficient, type-safe, and scalable services
• Architect & optimize: Ensure the architecture is future-proof, leveraging Kotlin’s functional capabilities
• Enhance security: Contribute to the evolution of our Web Application Scanner (WAS) by refining how it processes, scans, and evaluates vulnerabilities
• Cross-functional collaboration: Work closely with backend, frontend, and security teams to ensure seamless integration and optimal performance
• Mentorship & innovation: Guide engineers in best practices for functional programming in Kotlin, while continuously improving the development workflow

What You’ll Need:

• 8+ years of software engineering experience, with a strong backend focus
• Functional programming expertise: Strong experience with Scala (preferred) or functional Kotlin
• Kotlin proficiency: Experience with functional Kotlin (not object-oriented Kotlin)
• Microservices & cloud architecture: Deep knowledge of scalable, distributed systems in cloud environments
• Strong database skills: Proficiency in SQL/NoSQL databases such as PostgreSQL, DynamoDB, and Elasticsearch
• Event-driven & messaging systems: Experience with Kafka, SQS, or SNS
• API & observability experience: Strong background in RESTful APIs, monitoring tools (Datadog, ELK, Prometheus, PagerDuty)
• DevOps & CI/CD: Hands-on experience with Kubernetes, Terraform, Jenkins, Gradle
• Security experience (bonus): Understanding of web application security scanning

And Ideally:

• Prior experience working on on-prem applications or security-focused tools
• Experience migrating services from Scala to Kotlin
• Exposure to web application security scanning (WAS) tools

#LI-Hybrid

#LI-LP1

This is the base pay range for this position. Compensation for the role will depend on a number of factors, including the candidate's qualifications, skills, competencies, location and experience, and may fall outside of the range shown. Employees are also eligible for variable compensation in addition to base pay (commission for sales roles, bonus for non-sales roles), depending on company and individual performance. Tenable also offers a variety of comprehensive and competitive benefits which include: medical, dental, vision, disability and life insurance; 401(k) retirement savings with company match; an employee stock purchase plan; an employee referral program; flexible spending accounts; an Employee Assistance Program (EAP); education assistance; parental leave; paid time off (PTO); company-paid holidays; health and wellness events; and community programs.

US Pay Ranges$161,500—$215,500 USD

We’re