Senior AWS Developer

At Significance, we believe the best results come from investing in great people. As a woman-owned consulting firm supporting federal civilian and Department of Defense customers, we bring together talented professionals who are passionate about solving complex challenges and making a meaningful impact.

We're proud of the culture we've built - one rooted in trust, collaboration, respect, and genuine relationships. Our people are empowered to share ideas, grow their careers, and deliver exceptional results while supporting missions that matter.

The Role

The Senior AWS Developer will design, build, and maintain a secure and scalable cloud-based integration layer. This role is critical in enabling real-time and event-driven data exchange across enterprise systems.

Required Skills

Design and implement RESTful APIs using Amazon API Gateway and backend services such as AWS Lambda and EC2.

Build and manage cloud-native data solutions using Amazon RDS, ensuring data integrity and reliability.

Develop event-driven architectures using Amazon S3, SQS, and SNS for asynchronous and file-based processing.

Implement security best practices, including:

• IAM roles and policies
• VPC configuration
• Data encryption (at rest and in transit)
• Logging and audit controls
• Ensure compliance with ATO (Authority to Operate) requirements

Collaborate with internal teams and external system owners to define:

• Integration patterns
• API contracts
• Deployment strategies

Automate infrastructure using Infrastructure as Code (IaC) tools such as CloudFormation or Terraform.

Monitor system performance and optimize for cost, scalability, and availability.

Provide technical leadership and mentorship to junior developers.

Ensure alignment with enterprise architecture and governance standards.

Desired Skills

15+ years of software development experience, with a strong focus on AWS.

Hands-on experience with:

• API Gateway, Lambda, EC2
• RDS (PostgreSQL, MySQL, or Oracle)
• S3, SQS, SNS

Strong knowledge of cloud architecture and integration patterns.

Experience implementing secure, compliant systems (ATO/FedRAMP preferred).

Proficiency in Infrastructure as Code.

Strong understanding of networking (VPCs, subnets, security groups).

Experience with monitoring and logging tools (e.g., CloudWatch).