Senior Agile Developer IV: AWS Microservices & DevSecOps

Reflexive Concepts; Maryland; On-site; USD 170,000 - 210,000; Full time

Job summary

Reflexive Concepts is seeking an Agile Developer IV to design scalable, secure AWS architectures for event-driven services and data pipelines. You will write production Java Spring Boot and Python Lambdas, and manage container workloads in Kubernetes.

You will lead DevSecOps, implement IaC, and mentor 2-4 junior developers while collaborating with leadership to communicate roadmaps and risks.

Qualifications

• Bachelor’s degree or equivalent in a related discipline.
• 12 years of relevant experience, or a Master’s degree plus 10 years.
• Active Top Secret clearance with CI polygraph within the last 7 years.
• Ability to support an on-call rotation.

Responsibilities

• Design end-to-end, scalable architectures for event-driven services on AWS.
• Develop production-grade Java and Python services as Lambdas or Kubernetes workloads.
• Define and maintain IaC for the entire stack with reproducibility.
• Architect data pipelines using DynamoDB, OpenSearch, SQS, and SNS.
• Implement monitoring, logging, and alerting via CloudWatch.
• Lead CI/CD, DevSecOps practices with GitLab pipelines and blue-green deployments.
• Mentor 2–4 junior developers and conduct architecture deep dives.
• Communicate progress and roadblocks to leadership and stakeholders.
• Produce architecture diagrams, run books, and SOPs for operations.

Skills

Java

Spring Boot

Python

Microservice architectures

OAuth/OIDC implementation

Test automation (Playwright, Cucumber)

CI/CD concepts

Education

Bachelor’s degree or equivalent

12 years of relevant experience OR Master’s degree + 10 years experience

Tools

AWS tooling

Maven

GitLab & GitOps

Kubernetes

Docker

MongoDB (NoSQL)

Job description

Reflexive Concepts is seeking an Agile Developer IV to design scalable, secure AWS architectures for event-driven services and data pipelines. You will write production Java Spring Boot and Python Lambdas, and manage container workloads in Kubernetes.

You will lead DevSecOps, implement IaC, and mentor 2-4 junior developers while collaborating with leadership to communicate roadmaps and risks.