Sr. Software Engineer

Title: Sr. Software Engineer Location : Rockville, MD or McLean, VA Target Start Date : ASAP Type: contract Pay Rate: DOE

The Senior Software Engineer is a seasoned individual contributor responsible for designing, developing, and maintaining enterprise-grade software solutions within AWS cloud environments. This role works independently to deliver scalable, high-quality applications while contributing to architectural decisions, software quality improvements, DevOps practices, and mentoring junior engineers throughout the software development lifecycle.

Key Responsibilities

• Design, develop, and maintain scalable, enterprise-grade applications using Java and cloud-native AWS technologies; Python experience preferred.
• Build clean, modular, and high-performance backend services using modern frameworks such as Spring Boot.
• Develop and support RESTful and GraphQL APIs, microservices, and event-driven architectures.
• Architect scalable systems for document ingestion, metadata processing, persistence, and enterprise data workflows.
• Design and optimize relational, NoSQL, and graph database solutions, including PostgreSQL, MySQL, MongoDB, Cassandra, Neo4j, and Amazon Neptune.
• Implement and maintain cloud-native solutions leveraging AWS services including Lambda, Step Functions, SQS, SNS, S3, ECS, Fargate, and Aurora.
• Support CI/CD automation and foster DevOps best practices across development teams.
• Analyze software engineering trends, testing strategies, and tooling improvements to recommend process enhancements.
• Partner cross-functionally to remove technical barriers, align priorities, and drive strategic objectives.
• Mentor and coach junior engineers on development practices, engineering standards, and technical problem-solving.
• Ensure code quality, software reliability, performance optimization, security, and test automation standards are consistently met.

Required Technical Skills

Backend & Application Development

• Strong experience developing backend systems using Java and Spring Boot
• Experience with Python preferred
• Deep understanding of object-oriented programming and software design principles
• Expertise in RESTful APIs, GraphQL, microservices, and event-driven architectures

Cloud & DevOps

• Strong hands-on experience with AWS cloud technologies
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of containerized and cloud-native application development

Data & Persistence Technologies

• Strong experience with relational databases such as PostgreSQL and MySQL
• Experience with NoSQL databases including MongoDB and Cassandra
• Experience with graph databases such as Neo4j and Amazon Neptune
• Expertise in data modeling and scalable persistence strategies

System Design & Engineering Excellence

• Strong system design and architecture experience for large-scale enterprise applications
• Experience with performance tuning and application optimization
• Strong focus on software security, test automation, and unit testing
• Ability to independently solve complex technical challenges and drive solutions

Qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent combination of education and experience
• Minimum 7 years of professional software engineering experience
• Proven experience building scalable, cloud-based enterprise applications
• Strong communication, collaboration, and mentoring skills

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