Senior Software Engineer (Java/AWS)

job summary:

Randstad is seeking a Senior Cloud Software Engineer to join our client in Washington, D.C., designing, developing, and operating resilient, high-volume cloud applications in AWS. In this role, you will lead technical designs, build robust REST APIs and event-driven microservices using Java 21+, Spring Boot, and Python, and drive CI/CD automation. You will play a crucial role in architecting multi-region failover strategies, improving MTTR, and maintaining high availability across production systems while mentoring mid-level engineering talent.

location: Washington, Washington, D.C.

job type: Contract

salary: $55 - 65 per hour

work hours: 9am to 5pm

education: Bachelors



responsibilities:

Design, build, test, and deploy scalable REST APIs, microservices, and event-driven solutions using Java 21+, Spring Boot, and Python.

Drive architecture and technical design decisions for mission-critical, high-availability AWS applications.

Implement CI/CD automation pipelines and infrastructure deployment using GitHub Actions, Jenkins, CodePipeline, and CloudFormation.

Lead production troubleshooting, conduct root cause analysis, and continuously optimize application MTTR and resiliency.

Establish multi-AZ and multi-region disaster recovery, failover testing, and business continuity strategies.

Provide technical leadership, conduct code reviews, and mentor team members on cloud-native best practices.

qualifications:

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.

7+ years of hands-on software development experience.

Strong proficiency with Java 21+, Spring Boot, RESTful services, and Python.

Deep experience with core AWS services: ECS/Fargate, EventBridge, SQS/SNS, Lambda, S3, CloudWatch, and Aurora PostgreSQL.

Proven track record designing and maintaining fault-tolerant, distributed systems across multiple AWS Availability Zones and Regions.

Experience with database performance tuning, data modeling, and writing complex SQL.

Active AWS Certification (AWS Certified Developer, Solutions Architect Associate, or Cloud Practitioner).

Solid background in automated unit/integration testing (JUnit, Mockito) and CI/CD tools.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.