Kunai

End-to-end product development for enterprises

Senior Profile Developer

Backend EngineeringConfirmed live in the last 24 hours

Full-timeRemote in USANo salary listedRemote

About the Job

Requirements

At least 3 years of experience developing and maintaining core banking systems using Profile Scripting Language (PSL) and MUMPS.
Experience with the FIS Core Banking Platform.
Knowledge of financial industry best practices, regulations, and operations, particularly in retail and commercial deposits, loans, and/or debit card processing.
Familiarity with the GT.M Database.
Excellent communication skills and the ability to collaborate across engineering and product teams.
Excellent analytical skills.
A Bachelor's degree, or in lieu of a degree, three years of specialized training and/or progressively responsible technology work experience for each missing year of college, in addition to the minimum experience required for the role.

Responsibilities

Use PSL and MUMPS to code, debug, and maintain applications and program logic within the core banking system.
Maintain, test, and integrate new application components and ensure successful deployment of system improvements.
Provide technical support, troubleshoot issues, and ensure application reliability and performance.
Develop and maintain the FIS Profile Core Banking System.
Code and integrate new components, modify existing components, and support projects such as upgrades and conversions.

Desired Qualifications

Experience with automated testing using Z-unit.
Experience supporting Unix-based applications and/or infrastructure.
Experience with BSH shell scripting.
Experience with AWS services, including EC2, S3, and CloudWatch.
Experience with Tidal Automation/Scheduler.

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.

We are hiring a Profile Scripting Language (PSL) Developer to work on initiatives with large-scale banking clients. This role will be responsible for developing and maintaining the FIS Profile Core Banking System. Responsibilities include writing and debugging code using the Profile Scripting Language (PSL), coding and integrating new components, modifying existing ones and providing support for projects like upgrades and conversions.

Key responsibilities:

Utilize PSL/MUMPs to code, debug, and maintain applications and program logic within the core banking system.
Maintain, test, and integrate new application components and ensure the successful deployment of system improvements.
Provide technical support, troubleshoot issues, and ensure application reliability and performance.

Required qualifications:

At least 3 years of experience developing and maintaining core banking systems in Profile Scripting Language (PSL), MUMPs
Experience with FIS Core Banking Platform
Knowledge of financial industry best practices, regulations, and operations, particularly in areas like retail and commercial deposits, loans, and/or debit card processing
Familiarity with GT.M Database
Excellent communication skills and the ability to collaborate across several engineering and product teams
Excellent Analytical skills

Nice to have requirements:

Automated testing (Z-unit)
Unix-based application and/or infrastructure support
Shell Scripting (BSH)
AWS – EC2, S3, Cloudwatch
Tidal Automation/Scheduler

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

About the Company

Kunai

End-to-end product development for enterprises

Kunai is a software development partner that helps established companies and fast-growing startups turn ideas into scalable, shipped digital products. It combines engineers, designers, and product managers to take concepts from napkin sketches to live products used by millions, offering end-to-end execution and long-term partnerships. Unlike some vendors that work in silos, Kunai emphasizes enduring collaboration—evidenced by a long-term relationship with Capital One that led to a partial acquisition and a portfolio spanning four major payment networks, four top-ten US banks, seven Fortune 500 technology companies, and ten unicorn startups. The company’s goal is to turn ideas into reliable, scalable products and maintain lasting relationships that help clients grow."

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: San Ramon, CA
Founded: 2001

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