At MAS Global Consulting, we combine world-class talent with a people-first culture to help our clients accelerate digital transformation. Our teams work with leading global companies to deliver high-quality software engineering, modernization, and platform solutions.
We are committed to excellence, continuous learning, and building long-term partnerships that empower our consultants to grow and thrive.
This opportunity places you within one of our top fintech partners, Affirm, supporting their Code Standards Team, a group responsible for ensuring a modern, safe, and high-quality code ecosystem across all engineering teams.
Who You Are
You are a Senior Kotlin Engineer with deep experience in Kotlin/JVM, Gradle, and modern tooling ecosystems. You enjoy working on large-scale modernization efforts, improving build systems, standardizing tooling, and elevating engineering quality through best practices and automation.
You thrive in distributed environments, communicate clearly, and have a strong sense of ownership. You are proactive, analytical, collaborative, and passionate about building reliable, future-proof engineering foundations.
About the Team
Affirm’s Code Standards Team owns the company’s internal dependency and language modernization initiatives across Python and Kotlin. Their mission is to improve developer experience by ensuring all services run on safe, well-supported, open-source-aligned environments.
The team works closely with Developer Productivity, CI/CD, and Test Platform Engineering to define cross-language standards, build tooling for migrations, provide shared libraries, and guide modernization projects such as language runtime upgrades.
What You’ll Do
- Audit and update dependencies, replacing deprecated or bespoke internal packages with modern open-source alternatives.
- Implement and extend build tooling aligned with Affirm’s next-generation service-oriented architecture and repository structure.
- Contribute to per-package or per-module testing and standardization to ensure safe upgrades to new Kotlin language versions.
- Introduce linters, tooling, and guardrails to help engineers follow best practices.
- Participate in code reviews and design reviews, maintaining Affirm’s standard of “open-source quality at Affirm scale.”
Required Experience
- 5+ years of professional Kotlin development.
- Deep knowledge of Gradle and Kotlin build systems (modularization, dependency resolution, version alignment).
- Understanding of semantic and open-source versioning strategies.
- Practical experience integrating static analysis, linting, and formatting tools into CI/CD.
- Strong foundation in testing (unit, integration, matrix testing), especially related to version upgrades.
- Proven ability to identify and replace deprecated dependencies.
- Comfortable working in distributed, asynchronous engineering environments.
- Experience upgrading Kotlin versions (e.g., 1.x → 2.x) or JVM major version transitions.
- Experience modernizing large or legacy Kotlin codebases.
- Experience with Python ecosystems is a plus.
- Familiarity with Kotlin DSL, multiplatform, structured concurrency, coroutines, etc.
- Previous contributions to developer productivity or platform engineering tooling.
Skills Required
- 5+ years of professional Kotlin development
- Deep knowledge of Gradle and Kotlin build systems
- Understanding of semantic and open-source versioning strategies
- Practical experience integrating static analysis, linting, and formatting tools into CI/CD
- Strong foundation in testing (unit, integration, matrix testing)
- Proven ability to identify and replace deprecated dependencies
- Comfortable working in distributed, asynchronous engineering environments
What We Do
Deloitte Technology Fast500, 4X Inc5000 honoree by Inc Magazine, US Fastest Growing Private Companies. Certified Women and Minority Owned Business Enterprise. Ranked #7 among software companies in Florida by Inc. Magazine’s Inc5000 list. MAS Global Consulting’s high-value model provides the elusive mix of affordability and reliability clients need to continuously deliver working software to their organizations. Our hybrid onshore/near-shore approach uses agile-ready consultants in the U.S. and Latin America. We build high-performing teams that collaborate real-time, in your time zone, so you can meet your commitments. Our commitment to client success drives us to retain top-notch, highly-engaged talent experienced in custom software development, e.g., Scrum Masters, Technical Leads, QA Automation & Software Engineers. With operations in the U.S., Colombia, Argentina and Mexico - we’re a proven partner for your Agile and Latin America talent needs. Learn more about us in this video: https://vimeo.com/340283452 Our services include: --Nearshore Services - from Colombia, South America to customers in the US, Canada and around the world --Digital Modernization / Digital Transformation --Custom Development (Java, .NET, integration with third party / ERP and SaaS applications such as SFDC) --End to End Agile Software Engineering Teams with all Roles for your Agile projects - Scrum Masters, RTEs, Architects/Tech Leads, Developers, QA Automation Analysts, Business Analysts -- Scaled Agile (SAFe) - We quickly scale multiple teams for large Enterprise efforts --Program / Project Management
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