We are partnering with a growing HR technology company focused on transforming how organizations manage employee performance, professional development, and workforce engagement. The platform helps businesses move beyond traditional annual reviews by enabling continuous feedback, structured performance tracking, organizational visibility, and employee development workflows. Designed for both employers and employees, the system creates a transparent and data-driven environment where performance insights are accessible, actionable, and continuously updated. Serving organizations across multiple industries, the company is investing in expanding its product capabilities, mobile experiences, reporting infrastructure, and enterprise-grade scalability as adoption continues to grow.

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About the Role – Senior Full Stack Engineer

We are looking for a highly autonomous Senior Full Stack Engineer to play a key role in the evolution of the company's core platform. This is a hands-on engineering position focused on owning and extending a cross-platform SaaS application that serves web, iOS, and Android users through a unified codebase. You will work directly with leadership and have significant influence over architecture, product direction, technical decisions, and future platform scalability. The ideal candidate combines strong backend engineering expertise with practical frontend experience and enjoys operating in environments where ownership, speed, and product thinking are highly valued. This role is particularly well-suited for engineers who enjoy working across the entire stack, improving existing systems, and helping modernize and scale products that have already achieved market traction.

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Role & Responsibilities

Full Stack Product Development

• Design, develop, and maintain features across web and mobile applications.
• Contribute to both frontend and backend architecture decisions.
• Build scalable and maintainable product functionality supporting employee performance and workforce management workflows.
• Collaborate closely with product stakeholders to translate business requirements into technical solutions.
• Participate in the full software development lifecycle from planning through deployment.

Backend Engineering & Platform Services

• Design and develop backend services using modern .NET technologies.
• Build and maintain APIs supporting web and mobile applications.
• Improve application performance, scalability, and reliability.
• Optimize data models and business logic supporting performance management workflows.
• Contribute to platform architecture and long-term technical strategy.

Cross-Platform Application Development

• Develop and maintain applications deployed across web, iOS, and Android environments.
• Improve user experience consistency across multiple platforms.
• Contribute to mobile application performance and reliability initiatives.
• Support future enhancements to the company's cross-platform development architecture.
• Help drive adoption of modern engineering practices and development workflows.

Product Scalability & Engineering Excellence

• Improve testing, deployment, monitoring, and release processes.
• Help identify and resolve technical debt while maintaining delivery velocity.
• Contribute to architectural decisions that support future growth.
• Participate in code reviews and engineering best practices.
• Help establish scalable patterns for future product development.

Collaboration & Ownership

• Work closely with company leadership to prioritize technical initiatives.
• Provide input on product direction and feature planning.
• Take ownership of critical systems and platform functionality.
• Operate independently while balancing speed, quality, and maintainability.
• Contribute to a culture of accountability, continuous improvement, and engineering craftsmanship.

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What We're Looking For

Must-Haves

• 5+ years of professional software engineering experience.
• Strong experience with C# and .NET application development.
• Experience building and maintaining production SaaS applications.
• Solid understanding of API design, backend architecture, and database-driven applications.
• Experience working across both frontend and backend environments.
• Familiarity with Git-based development workflows.
• Strong debugging, troubleshooting, and problem-solving abilities.
• Ability to work independently and take ownership of projects.
• Strong communication skills and product-oriented thinking.
• Experience working in small, fast-moving teams.

Nice-to-Haves

• Experience with the UNO Platform or similar cross-platform development frameworks.
• Experience developing applications for iOS and Android.
• Experience with Azure or cloud-based application deployments.
• Familiarity with HR technology, workforce management, or employee engagement platforms.
• Experience modernizing legacy systems or evolving established products.
• Exposure to CI/CD pipelines and DevOps practices.
• Experience supporting enterprise customers and production SaaS environments.

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Location

• Remote
• Latin America preferred

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Why Join?

• Join a growing software company with an established product and active customer base.
• Work directly with leadership and influence key technical decisions.
• Own meaningful product initiatives with visible business impact.
• Contribute across the full stack in a highly collaborative environment.
• Help shape the future architecture and scalability of a platform serving organizations and employees worldwide.
• Operate in a role that offers significant autonomy, ownership, and long-term growth potential.

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Application Instructions

Please submit:

• Your résumé/CV
• GitHub, portfolio, or technical project examples
• Brief overview of applications or platforms you have built using C# and .NET
• Details about your experience working across frontend and backend systems
• Information regarding any cross-platform, mobile, or SaaS products you have worked on
• Your availability and compensation expectations
• Short summary of why this opportunity interests you