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Full Stack Developer

Flexton IncAtlanta, GA🇺🇸United StatesPosted 14 Aug 2026

Why This Role Stands Out

This hybrid role at Flexton Inc. offers a fantastic opportunity to leverage your full-stack expertise in an AI-first environment, contributing to innovative cloud-native solutions on AWS. You'll thrive here if you're a mid-senior developer eager to expand your skills in microservices architecture and cutting-edge GenAI technologies. Apply today to join a high-velocity engineering team and shape the future of software development.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Atlanta, GA, United States
Posted
4 weeks ago
DynamoDBMicroservicesNode.jsSpringSpring BootAPI GatewayAWSFlutterCDKCDNCloudFormationDartJavaJavaScriptLLMPythonRESTReactiOSAndroid

Job Description

Greetings from Flexton!

Hope you are doing great today!

One of my clients is looking for Full stack Developer:W2 @Atlanta, GA please share me your updated resume and desire salary for this position.

We are seeking a skilled Senior Software Engineer to contribute to the full-stack design, development, and delivery of software solutions within a high-velocity engineering team. This role blends deep engineering excellence with a modern AI-first mindset including the ability to rapidly prototype using GenAI platforms to accelerate team output and

innovation.

WHAT YOU'LL DO

AWS Cloud, Serverless & Microservices Architecture

  • Design and deliver cloud-native, microservices-based solutions on AWS, applying microservices principles across the full stack frontend, backend, and cloud infrastructure to build scalable, secure, and highly available systems, leveraging a broad and growing set of services including but not limited to:
  • Compute: Lambda, Step Functions
  • API, Auth & CDN: API Gateway, Cognito, CloudFront
  • Messaging & Events: SQS, SNS, EventBridge, Kinesis
  • Data: DynamoDB, S3, Aurora Serverless, OpenSearch, Kinesis Firehose
  • Configuration: SSM Parameter Store
  • Observability: CloudWatch, X-Ray
  • IaC: CDK, SAM, CloudFormation
  • And more across the broader AWS ecosystem
  • Build and maintain scalable REST APIs using API Gateway and Lambda
  • Support cloud cost optimization, security posture, and performance tuning efforts
  • Implement CI/CD pipelines, infrastructure-as-code (AWS CDK/SAM), and blue/green deployment strategies
  • Ensure production readiness through observability, automated testing, and monitoring

Full-Stack, Microservices & Cross-Platform Development

  • Design, develop, test, and deploy full-stack applications and microservices across Flutter/Dart (mobile & cross-platform), React/JavaScript (web), and Python/Node.js/Java/Spring Boot (backend)
  • Build responsive, performant web interfaces using React and JavaScript, ensuring seamless user experiences across devices
  • Develop robust backend services and RESTful APIs using Java/Spring Boot, Python, and Node.js following microservices design principles
  • Create and maintain cross-platform mobile and web applications using Flutter/Dart, delivering consistent experiences across iOS, Android, and web
  • Apply microservices best practices including service decomposition, independent deployability, and fault tolerance across the full stack

AI-Assisted Engineering & Rapid Prototyping

  • Rapidly prototype new product concepts using GenAI and LLM platforms
  • Apply AI-assisted development tools to accelerate code generation, testing, documentation, and code review
  • Evaluate AI-generated outputs for correctness, security, and production readiness
  • Follow team-level standards and best practices for AI tool adoption
  • Contribute to ideate prototype validate ship cycles within fast-moving engineering teams

Collaboration & Mentorship

  • Participate in code reviews and contribute to engineering best practices
  • Support and mentor mid-level and junior engineers on design, cloud practices, and AI tool usage
  • Promote a culture of quality, continuous improvement, and learning

QUALIFICATIONS

5+ years of professional software engineering experience; Bachelor's degree in Computer Science or Engineering, or 7+ years of equivalent experience

Strong full-stack proficiency across mobile/cross-platform (Flutter/Dart), web (React/JavaScript), and backend (Python, Node.js, Java/Spring Boot)

Hands-on AWS experience across a broad range of services including but not limited to Lambda, API Gateway, DynamoDB, Kinesis, OpenSearch, S3, Firehose, EventBridge, and SSM

Experience with CI/CD, infrastructure-as-code, and serverless deployment patterns

Demonstrated use of AI/GenAI tools in a professional development setting; understanding of prompt engineering, context management, and AI tool limitations

+ Familiarity with AWS CDK or SAM for infrastructure provisioning is a plus

+ Exposure to agentic AI workflows and multi-agent systems is a plus

+ AWS certification (Solutions Architect, Developer, or equivalent) is a plus

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