Offer summary

Qualifications:

6-12 years of professional software engineering experience for Senior role, 2-6 years for Mid-Level role., Strong backend experience with SQL/NoSQL databases, MySQL, and MongoDB., Proficiency in full-stack development using TypeScript, Node.js, and React., Strong communication skills and ability to work in a fast-paced startup environment..

Key responsabilities:

Design and develop robust, scalable backend and full-stack solutions.

Work autonomously on mid-to-large feature projects, gathering requirements and delivering solutions.

Mentor and provide technical guidance to junior engineers through code reviews.

Collaborate with cross-functional teams to drive feature adoption and improve system performance.

Job description

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.

Software Engineer (Remote - Mexico)

Kunai is hiring Full Stack Engineers at both Senior and Mid-Level to join our client’s fast-paced and innovative team. Our client is a leader in the online estate planning industry, offering digital solutions for wills, trusts, and guardianships. This role offers the opportunity to work across the stack, build new features, and contribute to a dynamic engineering team.

Responsibilities:

Senior Software Engineer:

Design and develop robust, scalable backend and full-stack solutions within established architectural standards.
Work autonomously on mid-to-large feature projects, gathering requirements from multiple stakeholders and delivering high-quality solutions.
Mentor and provide technical guidance to mid-level and junior engineers through code reviews and coaching.
Implement and optimize application features, including payments (checkout, orders, memberships, pricing optimization) and growth initiatives (referrals, access control, multi-tenancy, and privacy permissions).
Ensure best practices in testing, deployment, and continuous integration/continuous deployment (CI/CD).
Collaborate with cross-functional teams to drive feature adoption and improve system performance.

Mid-Level Software Engineer:

Develop new features and maintain existing applications across various teams, including authentication, payments, and marketing technology.
Work across the full-stack, contributing to backend (Node.js, SQL/NoSQL databases) and frontend (React, TypeScript) development.
Run backend migrations, transform data tables, and optimize system performance.
Collaborate with engineering peers, participate in agile ceremonies, and deliver high-impact features.
Work within a fast-paced, iterative development environment with a focus on metrics and outcomes.
Ensure code quality through thorough testing and CI/CD best practices.

Requirements:

Senior Software Engineer:

6-12 years of professional software engineering experience.
Strong backend experience with SQL/NoSQL databases, MySQL, and MongoDB.
Expertise in full-stack development using TypeScript, Node.js, and React.
Proficiency in designing and implementing complex application features with autonomy.
Experience working in an AWS environment.
Familiarity with feature flags and agile development methodologies.
Strong communication skills, ability to work in a fast-paced startup environment.
Knowledge of DevOps practices (GitHub Actions, CI/CD) is a plus.
Strong focus on testing applications as a hard requirement.

Mid-Level Software Engineer:

2-6 years of professional software engineering experience.
Experience working with SQL/NoSQL databases (MySQL, MongoDB) and backend development using Node.js.
Proficiency in full-stack development, including TypeScript and React.
Comfortable adapting to different technologies and working across various domains within the system.
Experience with feature flags and working in an agile, fast-paced startup environment.
Strong communication skills and the ability to work collaboratively in a remote setting.
Familiarity with DevOps practices (GitHub Actions, CI/CD) is a plus but not required.
Strong focus on testing applications as a hard requirement.

This role offers an opportunity to contribute meaningfully to the client’s product while growing within an agile and collaborative team. If you're excited about building impactful features in a flexible and dynamic environment, we’d love to hear from you!

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.

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