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Instaleap

Senior Backend Developer – Golang, Node, TypeScript

Instaleap

. Build and evolve payment services end to end using Go, Node.js, TypeScript, and PostgreSQL .

Posted 10/27/2026full-timeBogotá • ColombiaSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in building and evolving payment services using Go, Node.js, TypeScript, and PostgreSQL, while ensuring production reliability and observability. Possesses strong technical leadership skills, including mentoring and cross-functional collaboration with product and engineering teams.

Highest-signal resume keywords
Go DevelopmentPayment Gateway IntegrationReliability EngineeringAWS DeploymentTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
GoNode.jsTypeScriptPostgreSQLDistributed SystemsMicroservicesSoftware ArchitectureTesting StrategiesPayment SystemsPCI-DSS Knowledge
Soft Skills
Technical Problem-SolvingClear CommunicationOwnershipPragmatic Decision-MakingMentoring
Tools & Technologies
AWSDockerTerraformCI/CD PipelinesAutomated Testing
Industry Keywords
Payment ServicesTransaction WorkflowsLegacy ModernizationObservabilityWebhook Authentication

Tech Stack

Tools & technologies
AWSDistributed SystemsDockerJavaScriptMicroservicesNode.jsPostgresTerraformTypeScriptGo

About the role

Key responsibilities & impact
  • Build and evolve payment services end to end using Go, Node.js, TypeScript, and PostgreSQL
  • Design and implement payment gateway integrations for authorization, capture, cancellation, and refunds
  • Build reliable transaction workflows handling retries, timeouts, idempotency, concurrency, and partial failures
  • Drive technical solutions from discovery through production and own outcomes
  • Help migrate legacy systems to a scalable, modular architecture
  • Ensure production reliability and observability through monitoring, logs, tracing, automated testing, and incident analysis
  • Improve engineering standards through code reviews, architectural decisions, testing strategies, and development practices
  • Collaborate with Product and engineering teams to clarify requirements, communicate trade-offs, and deliver aligned solutions
  • Mentor teammates, facilitate technical discussions, and provide technical leadership
  • Contribute to deployment and operations using AWS, Docker, Terraform, and CI/CD pipelines

Requirements

What you’ll need
  • Strong hands-on experience building production services with Go
  • Experience with Node.js, TypeScript, and PostgreSQL
  • Experience with distributed systems and microservices
  • Knowledge of software architecture, clean architecture, domain-driven design, modularity, and legacy modernization
  • Reliability engineering experience, including idempotency, timeouts, observability, incident troubleshooting, and resilient systems
  • Experience with unit, integration, and contract testing
  • Experience with AWS, Docker, Terraform, and CI/CD pipelines
  • Technical leadership experience, including mentoring, code reviews, technical discussions, and influencing decisions
  • Cross-functional collaboration with Product and engineering teams
  • Experience with payment systems or transactional domains; direct payment experience is a strong plus
  • Daily use of AI agents and assistants in development workflow
  • Knowledge of PCI-DSS scope and tokenization, webhook authentication, and sensitive data handling
  • Strong technical problem-solving, ownership, clear communication, and pragmatic decision-making

Benefits

Comp & perks
  • Hybrid work
  • Flexible hours
  • Additional vacation days
  • Half day off on your birthday
  • Educational budget
  • Health insurance (available in some countries)