About the Job
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. It's a culture we're proud of, and one that has earned us recognition as a Washington Business Journal Best Place to Work for seven consecutive years.
Significance, Inc is seeking an experienced Senior Developer to join our growing team. This position is remote and will require a Public Trust clearance.
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 & Abilities
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
15+ years of software development experience, with strong focus on AWSHands-on experience with:API Gateway, Lambda, EC2RDS (PostgreSQL, MySQL, or Oracle)S3, SQS, SNSStrong knowledge of cloud architecture and integration patternsExperience implementing secure, compliant systems (ATO/FedRAMP preferred)Proficiency in Infrastructure as CodeStrong understanding of networking (VPCs, subnets, security groups)Experience with monitoring and logging tools (e.g., CloudWatch)