Backend Engineer – HealthTech

Catena

. Design, build, and maintain RESTful APIs using Node.js, TypeScript, and Fastify .

Posted 10/15/2026contractRemote • Mexico, Colombia, Peru, Dominican Republic, Costa Rica, ArgentinaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and building RESTful APIs using Node.js and TypeScript, with a strong focus on data pipeline development and AWS infrastructure management. Proficient in implementing security measures and compliance standards for healthcare data.

Highest-signal resume keywords

Node.js API DevelopmentTypeScript ProgrammingAWS Cognito AuthenticationPostgreSQL Schema DesignData Pipeline Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RESTful API DesignData Pipeline DevelopmentPostgreSQL Schema DesignAWS Infrastructure ManagementTypeScript ProgrammingNode.js DevelopmentFastify FrameworkAuthentication Systems ImplementationData Transformation LogicRole-Based Access Control

Soft Skills

CollaborationCommunication

Tools & Technologies

AWS CDKCloudFormationAWS CognitoFastifyNext.js

Industry Keywords

Healthcare Data SecurityBioinformaticsGenomic Data ProcessingRegulated Industry Experience

Tech Stack

Tools & technologies

AWSJavaScriptNext.jsNode.jsPostgresTypeScript

About the role

Key responsibilities & impact

Design, build, and maintain RESTful APIs using Node.js, TypeScript, and Fastify
Define API contracts and data shapes with the frontend engineer before implementation
Implement authentication and authorization using AWS Cognito or an equivalent
Build secure and reliable backend services for large-scale data requests
Develop reproducible and recoverable pipelines for large, inconsistent genomic data inputs
Write parsing and transformation logic for third-party vendor outputs
Harden pipelines against failures and optimize performance as data volume grows
Design PostgreSQL schemas and data models for genomic and health data
Architect AWS infrastructure using infrastructure-as-code, including CDK or CloudFormation
Set up secure storage systems for sensitive healthcare data
Collaborate with the frontend engineer on deployment workflows
Implement role-based access controls and data encryption for sensitive health data
Apply healthcare security and compliance requirements to architecture decisions
Work directly with the frontend lead and firm leadership as the second technical hire
Start as a contract engagement through Pearl and convert to full-time employment once the company is fully established

Requirements

What you’ll need

5+ years of backend engineering experience, including building backend systems from scratch at an early-stage startup
Production experience with Node.js and TypeScript building RESTful APIs
Experience building data pipelines that process large, inconsistent data inputs with reproducibility and failure recovery
PostgreSQL schema design and data modeling
AWS deployment and infrastructure experience
Experience implementing authentication and authorization systems using AWS Cognito, Auth0, or OAuth
English at C1+ CEFR level for daily work with the frontend lead and firm leadership
Bioinformatics or genomic data processing experience (nice-to-have)
AWS CDK or CloudFormation infrastructure-as-code experience (nice-to-have)
Fastify framework experience (nice-to-have)
Healthcare or regulated-industry experience (nice-to-have)
Full-stack familiarity with Next.js (nice-to-have)

Benefits

Comp & perks

Competitive salary based on experience and skills
Fully remote work from anywhere
Team incentives and recognition for maintaining 100% CRM hygiene and on-time reporting
Generous PTO in accordance with company policy
HMO coverage after 3 months for full-time employees (PH-based talents)
Direct mentorship from international industry experts
Ongoing learning and development resources
Global networking opportunities