Senior Software Engineer (Scala)

United StatesRemotesenior

Software EngineerSoftware Engineering

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Quick Summary

Key Responsibilities

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

Technical Tools

Software EngineerSoftware Engineering

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.

Responsibilities

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

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.

Nice to Have

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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.

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