Senior Software Engineer

Our client is looking for a Full-stack Senior Software Engineer to join its Customer Experience team. A strong track record in understanding business needs, communicating effectively, and delivering impactful results is essential.

The daily tasks of this role will be as follows:

• Dive into unfamiliar code to troubleshoot or add a new feature
• Participate in feature development of larger projects
• Technically lead smaller projects/initiatives
• Propose technical designs, considering standard patterns, tradeoffs, and maintainability
• Participate in Support tasks
• Provide thorough and meaningful code reviews
• Work with legacy as well as novel code bases
• Prototype, develop, and debug new features
• Implement and maintain DevOps cloud patterns

• Degree in Computer Science, Engineering, or related field.
• 5+ years of experience developing back-end services and APIs in a distributed, service-oriented architecture, and building large-scale front-end applications using modern frameworks.
• Full Stack Development: Proficiency in at least 3 software languages, with a demonstrated ability to quickly learn new ones as needed. Python and React are a must.
• Experience with data modeling using multiple databases and storage types
• 3+ years of experience designing and deploying services in the cloud (e.g. AWS, GCP, Azure).
• Fluency in Spanish and English.

Bonus points for:

• Prior healthcare or experience in other regulated industries, particularly with data privacy and compliance requirements .
• Kubernetes.
• Experience in ETL pipelines, orchestrators or workflow engines (e.g., Temporal, Airflow, Dagster)
• Familiarity with Infrastructure as Code and DevOps practices (e.g., Terraform)
• Experience using AI-powered coding tools (e.g., GitHub Copilot, Cursor, code assistants)

• Fully remote work
• Fixed monthly compensation in USD
• Full-time, long-term contract
• Paid Time Off (PTO) & Paid Local National Holidays

Marsie is a technology partner that provides experienced software engineers to help companies with their product and platform development. We work in a remote staff augmentation model, embedding experienced engineers into our clients' teams to bring immediate impact, strong technical skills, and a collaborative mindset. Our engineers work on complex systems across modern stacks and cloud environments, while enjoying a remote culture built on trust and long-term relationships. About The Client You'll be working with a science-driven organization at the forefront of genetic testing and diagnostics, with over two decades of experience advancing the understanding of rare diseases. Their multidisciplinary team, composed of genetic counselors, clinicians, and genomics experts, combines deep technical and clinical expertise to deliver accurate, meaningful insights that directly impact patient care. From advanced sequencing technologies to rigorous data interpretation and ongoing research, they are committed to solving complex diagnostic challenges and continuously expanding knowledge in the field.