Senior Software Engineer (Scala)

kunai
Remote - United StatesFull-timePosted Sep 14, 2026

About the role

Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Together, we are changing the world’s relationship with financial services. At Kunai, we help our clients modernize, capitalize on emerging trends, and evolve their business for the coming decades by remaining tech-agnostic and human-centered.

Kunai is seeking a skilled Scala Engineer to join our growing engineering team. In this role, you’ll be instrumental in building high-quality products that delight our clients and thrive in production environments. You’ll work across the stack, deepen your technical expertise, and embrace new challenges in a dynamic, collaborative setting.

What You’ll Do:

Design and develop scalable, immutable, and distributed systems with a focus on data streaming and backend services using functional Scala.

Collaborate with cross-functional Agile teams to build and deliver robust, cloud-based solutions, leveraging AWS infrastructure and modern development practices.

Write clean, efficient, and well-tested code, contributing to an engineering culture that values quality, innovation, and continuous improvement.

Take initiative in solving complex problems and push boundaries with a hands-on, can-do attitude.

What We’re Looking For:

5+ years of professional experience in software application development.

4+ years of hands-on experience with functional programming (e.g., Scala, Haskell, Clojure, Common Lisp).

2+ years of experience working with AWS, including services like DynamoDB.

Bonus Points For:

Familiarity with the ZIO framework.

Prior experience in fintech or banking environments.

4+ years working with open-source web technologies.

2+ years of experience in performance tuning and monitoring.

1+ years working with CI/CD pipelines and automation tooling.

Hands-on experience optimizing high-scale server systems.

AWS Developer or Architect Certification.

Our success over the past 20 years is rooted in our exceptional team, which thrives in a culture of collaboration, creativity, and continuous learning.

We are proud to offer our employees a range of benefits, including competitive compensation, professional development opportunities, and flexible work arrangements, all designed to help them thrive. As we continue to expand, we remain committed to cultivating an environment where people feel valued, have a voice, and are given the tools to grow—both personally and professionally—while pushing the boundaries of innovation in the fintech industry.

Minimum Degree Required:

Bachelor’s Degree, in lieu of a degree, demonstrating in addition to the minimum years of experience required for the role, three years of specialized training and/or progressively responsible work experience in technology for each missing year of college is required

Responsibilities

  • Design and develop scalable, immutable, and distributed systems with a focus on data streaming and backend services using functional Scala
  • Collaborate with cross-functional Agile teams to build and deliver robust, cloud-based solutions, leveraging AWS infrastructure
  • Write clean, efficient, and well-tested code, contributing to an engineering culture that values quality, innovation, and continuous improvement
  • Take initiative in solving complex problems

Qualifications

  • 5+ years of professional experience in software application development
  • 4+ years of hands-on experience with functional programming (e.g., Scala, Haskell, Clojure, Common Lisp)
  • 2+ years of experience working with AWS, including services like DynamoDB
  • Bachelor’s Degree or equivalent experience

Benefits

  • Competitive compensation
  • Professional development opportunities
  • Flexible work arrangements

Skills mentioned

ScalaDistributed SystemsCloud ComputingAWSBackend DevelopmentPerformance OptimizationCI/CDMicroservicesDatabase DesignGit

About kunai

Kunai is now part of the PwC network: https://www.pwc.com/us/en/about-us/newsroom/press-releases/kunai.html ----- Kunai was born from experience. Our people hail from the biggest names in banking, fintech and financial services. We spent a lot of time at those companies working with external consultants and wishing for a different kind of agency partner. So, we built it. Trusted By: - 4x largest card networks in the world - 5x of the top ten U.S. banks - 6x of the world's largest fintechs Why Kunai: Kunai builds full-stack technology solutions for the world’s largest banks, credit and payment networks, infrastructure providers and their customers. We help our clients modernize, capitalize on emerging trends, and evolve their business for the coming decade. Expertise: - Product Development: Transforming innovative ideas into market-ready financial products - AI & Automation: Harnessing the power of AI to revolutionize financial services - Cloud Engineering: Modernize infrastructure while leveraging the latest insights in data, AI and automation - Data Engineering: Structuring data for success in an AI-driven world Contact Us: - Sales: sales@kunaico.com - Press: press@kunaico.com - Delivery: delivery@kunaico.com - Careers: career@kunaico.com

IT Services and IT Consulting201-500 employeesSan Ramon, California