Senior Full Stack Engineer – NestJS, Next.js, PostgreSQL

AgilityIO

Senior Full Stack Developer at AgilityIO building applications with TypeScript and Next.js. Collaborating across teams to architect and deliver cloud-based solutions.

Posted 4/22/2026full-timeRemote • 🇦🇷 ArgentinaSeniorWebsite

Tech Stack

Tools & technologies

GraphQLJavaScriptNext.jsNode.jsPostgresReactTypeScript

About the role

Key responsibilities & impact

Architect, develop, and maintain full-stack applications using TypeScript, Next.js, and NestJS
Design and implement scalable, secure, and high-performance backend services and APIs
Build and optimize data models and queries using PostgreSQL
Collaborate with cross-functional teams (Product, Design, QA) to define, design, and deliver new features
Ensure applications meet high standards of performance, scalability, and security
Lead code reviews, mentor junior developers, and promote best engineering practices
Build and maintain CI/CD pipelines; ensure system reliability, monitoring, and observability
Identify technical risks and propose solutions aligned with business needs
Stay current with emerging technologies and continuously improve development processes

Requirements

What you’ll need

5+ years of experience in full-stack software development
Strong proficiency in JavaScript/TypeScript across frontend and backend
Solid experience building backend systems with NestJS or similar Node.js frameworks
Experience developing frontend applications using Next.js or modern React-based frameworks
Strong experience working with relational databases, especially PostgreSQL
Deep understanding of RESTful APIs (GraphQL is a plus)
Experience with ORMs such as Prisma, TypeORM, or Sequelize
Familiarity with authentication/authorization patterns (JWT, OAuth)
Proficiency with Git, testing frameworks, and agile development practices
Strong problem-solving skills and attention to detail
Excellent communication skills in English and ability to work in distributed teams
AI-Assisted Coding Experience: Proven hands-on experience using LLM-based tools such as Cursor, GitHub Copilot, Tabnine, or Claude Code
Experience with finance systems

Benefits

Comp & perks

Competitive salary and performance-based bonuses
Flexible remote work environment
Professional growth opportunities and mentorship
Engaging and collaborative team culture with cutting-edge projects

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptNext.jsNestJSPostgreSQLRESTful APIsGraphQLORMsGitCI/CDagile development

Soft Skills

problem-solvingattention to detailcommunicationmentoringcollaboration