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at icalia labs, we connect exceptional talent with some of the most innovative companies that are shaping the future of their industries. We are currently working with a high-growth company in the mobile workforce space, known for its rapid expansion and significant impact. With over 1 million users and being named one of apple and google’s "best new apps," this company is transforming how mobile workers track and manage their time and expenses—starting with automatic mileage and expense tracking.
as they continue to grow, we’re looking for a senior full stack engineer who is technically brilliant, self-driven, and passionate about scaling world-class systems. If you have the expertise and the drive to make an impact, this role is for you.
what you'll be doing:
* backend engineering : lead the design and development of robust, scalable backend systems that can handle a growing user base. You’ll be optimizing for performance, reliability, and scalability.
* system architecture leadership : own the architecture and design of high-performance, maintainable systems, with a focus on ensuring scalability and fault tolerance in complex, distributed environments.
* collaborative problem-solving : work closely with product managers, designers, and fellow engineers to create innovative, user-centric solutions that move the needle for the company’s goals.
* api development : design and maintain high-quality apis, optimize database performance, and ensure smooth communication between services. Your work will be central to building seamless integrations.
* code quality & mentorship : lead by example in writing clean, high-quality code. Participate in code reviews, provide mentorship, and foster a culture of excellence within the team.
* continuous improvement : identify and tackle performance bottlenecks. Focus on optimizing processes, database queries, and system workflows. Implement best practices to improve the reliability and user experience of the product.
* staying ahead of the curve : evaluate new technologies and tools to ensure the company is leveraging the latest and most efficient solutions in the market. Keep the tech stack modern and ready for the future.
what we're looking for:
* experience : you have 5+ years of hands-on experience building scalable systems, and a deep expertise in ruby on rails, postgresql, and react js. You’ve built complex backend systems and are well-versed in all stages of development.
* advanced technical skills : you're not just familiar with background jobs and rspec testing — you’re an expert in them. You understand how to optimize databases for high performance and can design apis that work seamlessly across multiple systems.
* system design expertise : you’ve designed and scaled complex systems before, and you know how to build software that is scalable, highly available, and fault-tolerant. You’re comfortable making decisions about microservices, load balancing, and caching .
* cloud & devops : you’re comfortable with aws and docker, and you understand the ins and outs of cloud-based infrastructure. If you're familiar with containerization or orchestration, even better.
* agile : you’re organized, pragmatic, and thrive in an agile environment. You know how to prioritize, manage your time, and deliver high-quality work in a fast-paced setting.
* language skills : you’re fluent in english, both written and spoken. This is essential for collaborating with an international team. spanish is a plus, especially for internal communications and market insights.
* cultural fit : you’re not just looking for a job — you’re looking for a place where you can grow, contribute, and make a meaningful impact. You thrive in an environment where collaboration, autonomy, and high standards are valued.
are you the right fit?
if you have 5+ years of experience, a passion for building scalable systems, and the technical expertise we’ve outlined, we want to hear from you. This is a unique opportunity to join a fast-growing, innovative company with a clear vision for the future. Ready to make an impact?
apply now and let’s start the conversation!
seniority level
* executive
employment type
* full-time
job function
* information technology
* it system custom software development
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