Senior Backend Engineer

Commit

. Work directly with customers to understand technical needs, challenges, and product gaps .

Posted 10/27/2026full-timeRemote • ArgentinaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend development with a strong focus on Node.js and TypeScript, alongside a deep understanding of backend architecture, API design, and cloud platforms. Proven ability to collaborate effectively across teams while delivering scalable and performant solutions that enhance customer satisfaction.

Highest-signal resume keywords

Backend Development ExperienceNode.js ProficiencyAPI Design ExpertiseCloud Platform ExperienceSQL and NoSQL Knowledge

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend DevelopmentNode.jsTypeScriptAPI DesignMicroservicesDistributed SystemsSQL DatabasesNoSQL DatabasesCI/CD PipelinesAutomated Testing

Soft Skills

CollaborationCommunication

Tools & Technologies

AWSAzureGCPServerless ComputingManaged DatabasesObservability Tools

Industry Keywords

Agile DevelopmentTechnical SolutionsProduct DevelopmentCustomer-Centric ProductsPerformance Optimization

Tech Stack

Tools & technologies

AWSAzureCloudDistributed SystemsGoogle Cloud PlatformJavaScriptMicroservicesNode.jsNoSQLSQLTypeScript

About the role

Key responsibilities & impact

Work directly with customers to understand technical needs, challenges, and product gaps
Collaborate with engineering, product, sales, customer success, and management teams to ensure customer feedback is reflected in product development
Design, develop, and deliver backend features, integrations, and technical solutions that address customer needs
Investigate and resolve complex technical issues across architecture, infrastructure, performance, and scalability
Gain a deep, holistic understanding of the OX platform and help connect customer use cases to product capabilities
Contribute to backend architecture decisions, API design, system design, and technical best practices
Support customer-facing technical discussions by providing deep product and engineering expertise
Help improve product reliability, performance, scalability, and overall customer satisfaction
Operate in a fast-paced environment where technical ownership, collaboration, and customer impact are key

Requirements

What you’ll need

5+ years of backend development experience, preferably working on customer-facing or customer-centric products
Strong proficiency in Node.js and TypeScript, or comparable backend technologies
Deep understanding of backend architecture, including microservices, API design, distributed systems, and design patterns
Experience with cloud platforms such as AWS, Azure, or GCP, including serverless computing, managed databases, storage, queues, and observability tools
Strong knowledge of SQL and NoSQL databases
Experience building and scaling systems that process high volumes of data
Proven ability to solve complex technical problems and deliver performant, scalable, production-grade solutions
Strong collaboration and communication skills, with the ability to work effectively across globally distributed teams
Experience working in agile development environments
Hands-on experience with CI/CD pipelines, automated testing, and modern software delivery practices