AgileEngine is an Inc.

5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries.

We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.

WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Senior Backend Engineer to design and build scalable middleware services powering digital ordering, payments, loyalty, and third-party integrations across a major consumer platform.

You will develop serverless applications using AWS Lambda and API Gateway, build Node.js/TypeScript microservices, design event-driven architectures with SQS/SNS, and implement infrastructure as code with Terraform.

The role includes active use of AI-assisted development tools as a core part of the daily engineering workflow.

WHAT YOU WILL DO - Develop serverless applications using AWS Lambda and API Gateway; - Build and maintain Node.js/TypeScript microservices; - Design event-driven architectures using SQS/SNS; - Build infrastructure as code using Terraform; - Leverage AI-assisted development tools (GitHub Copilot, Claude, and similar) as a core part of daily engineering work from code generation and refactoring to test coverage and documentation.

Champion AI tooling adoption across the team; - Create integrations with delivery providers and payment platforms; - Collaborate with business stakeholders and product teams to understand functional and technical requirements; translate those into scalable, maintainable architecture and implementation plans; - Conduct constructive code reviews and provide technical design guidance to peers and junior engineers, raising the overall quality and consistency of team output; - Enforce data governance, security policies,



and compliance standards throughout the software development lifecycle; - Implement secure authentication and identity flows using Amazon Cognito.

MUST HAVES - 4+ years of backend development experience; - Demonstrated experience building and operating RESTful and/or GraphQL APIs at scale; - Strong proficiency in one or more of: JavaScript/TypeScript (Node.js, Java, or C#); - Experience with serverless architectures on AWS (Lambda, API Gateway, DynamoDB, SQS/SNS); - Demonstrated experience building and operating RESTful and/or GraphQL APIs at scale; - Experience with CI/CD pipelines and source control workflows (Git, GitHub Actions, Azure DevOps); - Familiarity with Infrastructure as Code (Terraform or CloudFormation); - Solid understanding of integration patterns: event-driven architecture, webhooks, async messaging, and pub/sub; - Experience integrating with third-party platforms and vendor APIs (e.g., delivery aggregators, POS systems, loyalty platforms, or similar ecosystem partners); - Ability to translate ambiguous business requirements into clear technical specifications; - Collaborative mindset with a willingness to give and receive candid code review feedback; - Strong debugging, root-cause analysis, and production incident management skills.

- Upper-intermediate English level.

NICE TO HAVES - DoorDash, Uber Eats, or similar delivery integrations; - Payment platform integrations; - Restaurant, retail, or QSR experience; - Amazon Cognito expertise; - Experience with multi-region AWS deployments and general traffic management (Akamai, CloudFront); - Familiarity with identity and authentication patterns: OAuth 2.0,



OpenID Connect, AWS Cognito; - Hands-on experience with observability platforms (Dynatrace, Datadog, CloudWatch); - Experience prompting, fine-tuning, or orchestrating LLMs/AI agents as part of a software delivery workflow; - Experience in QSR, retail, or e-commerce domains; - AWS Certified Developer Associate or higher; - Exposure to React Native or cross-platform mobile app integration patterns.

PERKS AND BENEFITS - Professional growth: Mentorship, TechTalks, and personalized growth roadmaps.

- Competitive compensation: USD-based pay with education, fitness, and team activity budgets.

- Exciting projects: Modern solutions with Fortune 500 and top product companies.

- Flextime: Flexible schedule with remote and office options.

Developer
4+ years of backend development experience Demonstrated experience building and operating RESTful and/or GraphQL APIs at scale Strong proficiency in one or more of: JavaScript/TypeScript (Node.js, Java, or C#) Experience with serverless architectures on AWS (Lambda, API Gateway, DynamoDB, SQS/SNS) Demonstrated experience building and operating RESTful and/or GraphQL APIs at scale Experience with CI/CD pipelines and source control workflows (Git, GitHub Actions, Azure DevOps) Familiarity with Infrastructure as Code (Terraform or CloudFormation) Solid understanding of integration patterns: event-driven architecture, webhooks, async messaging, and pub/sub Experience integrating with third-party platforms and vendor APIs (e.g., delivery aggregators, POS systems, loyalty platforms, or similar ecosystem partners) Ability to translate ambiguous business requirements into clear technical specifications Collaborative mindset with a willingness to give and receive candid code review feedback Strong debugging, root-cause analysis, and production incident management skills

Required Skill Profession

Other General

📌 Senior Software Engineer (Buenos Aires)
🏢 AgileEngine
📍 Buenos Aires