Senior Fullstack Engineer (AI-Augmented Development including Agentic Workflows) 15+ years of experience

Kellton is a company focused on AI-Augmented Development including Agentic Workflows, and they are seeking a Senior Fullstack Engineer. The role involves designing and developing full stack solutions, utilizing various programming languages and technologies, particularly in the AWS ecosystem, and implementing best practices in Agile and DevOps.

Responsibilities:

• Minimum 7 years demonstrated experience with software development
• Strong and evolving competence in several programming languages and technologies, working knowledge of multiple tool sets, technologies, and implementation environments
• Strong practical experience in JavaScript/Typescript based ecosystem and tools
• Possess technical skills and experience in the virtual infrastructure domain, specifically Amazon Web Services and AWS serverless technologies (Lambdas, DynamoDB, S3, CloudWatch, Redshift etc.)
• Design and development experience in building and monitoring microservices
• Demonstrated experience in developing full stack solutions using NodeJS
• Working experience and discipline in Agile, CI/CD, DevOps best practices
• Fundamentals in OO and computer science foundation principles
• Knowledge of software development lifecycle and modern software engineering principles and practices
• Proficient in using AI coding assistants and autonomous agents to accelerate development, testing, and automation—while maintaining deep code understanding, critically validating AI outputs, and exercising technical ownership over all code
• Demonstrated experience building automation test suites
• Strong experience with Infrastructure as Code implementation
• Experience working on Agile teams with the scrum team member attitude – willingness to support the Team to be successful in any area necessary
• High analytical skills and ability to design, develop, build, refactor scalable, reuseable applications and monitor high frequency data services
• Ability to use: KMS, SQS SNS, OpenSearch, Route 53, VPC
• Fluency with CI/CD toolsets such as: CloudFormation, gitHub, Ansible
• Experience with relational databases and NoSQL databases
• Experience building infrastructure as code using AWS CloudFormation or similar scripting techniques
• Appetite to learn new things, both business process and technology
• Knowledge in InfrastructureAsCode, and GenAI

Requirements:

• Minimum 7 years demonstrated experience with software development
• Strong and evolving competence in several programming languages and technologies, working knowledge of multiple tool sets, technologies, and implementation environments
• Strong practical experience in JavaScript/Typescript based ecosystem and tools
• Possess technical skills and experience in the virtual infrastructure domain, specifically Amazon Web Services and AWS serverless technologies (Lambdas, DynamoDB, S3, CloudWatch, Redshift etc.)
• Design and development experience in building and monitoring microservices
• Demonstrated experience in developing full stack solutions using NodeJS
• Working experience and discipline in Agile, CI/CD, DevOps best practices
• Fundamentals in OO and computer science foundation principles
• Knowledge of software development lifecycle and modern software engineering principles and practices
• Proficient in using AI coding assistants and autonomous agents to accelerate development, testing, and automation—while maintaining deep code understanding, critically validating AI outputs, and exercising technical ownership over all code
• Demonstrated experience building automation test suites
• Strong experience with Infrastructure as Code implementation
• Bachelor's degree and/or other advanced degree(s)
• Relevant AWS or other professional certifications
• Experience working on Agile teams with the scrum team member attitude – willingness to support the Team to be successful in any area necessary
• High analytical skills and ability to design, develop, build, refactor scalable, reuseable applications and monitor high frequency data services
• Ability to use: KMS, SQS SNS, OpenSearch, Route 53, VPC
• Fluency with CI/CD toolsets such as: CloudFormation, gitHub, Ansible
• Experience with relational databases and NoSQL databases
• Experience building infrastructure as code using AWS CloudFormation or similar scripting techniques
• Appetite to learn new things, both business process and technology
• Knowledge in InfrastructureAsCode, and GenAI