Senior Software Engineer (NodeJS/Angular/AWS)

Hybrid 3 days onsite / 2 days remote in Rockville, MD

Our client seeks a Senior Software Engineer to design, build, and maintain data-intensive applications that ingest multiple data sources and surface insights through correlation and analysis. You will provide technical leadership, contribute to architecture and technical strategy, and use AI-assisted development tools with sound review practices. You will support production systems, address technical risks proactively, and collaborate with internal and external partners to deliver high-quality outcomes aligned with investor protection and market integrity.

We can facilitate w2 and corp-to-corp consultants. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $60.00 to $70.00/hr. w2

• Design, develop, and maintain applications that ingest multiple data sources and surface insights through correlation and analysis with attention to code quality and performance.
• Provide technical leadership and mentorship and guide effective, responsible use of AI-assisted development tools.
• Participate in architecture discussions, contribute to technical strategy, and define technical solutions or operational processes with measurable impact.
• Identify and resolve technical risks and cross-team dependencies early to ensure timely, high-quality delivery.
• Support production systems and troubleshoot complex issues, simplifying code and infrastructure to reduce maintenance and migration costs.
• Apply computer science fundamentals, including algorithms, problem solving, complexity analysis, and data structures.
• Use AI-assisted development tools with judgment to review generated output for correctness, security, and quality.
• Build productive relationships with senior internal and external partners, align on priorities, and collaborate in support of investor protection and market integrity.

• Proficiency in Java, Spring Framework, Spring Boot, Spring Security (OAuth2 and LDAP), Hibernate, Python, and Node.js with strong object-oriented design, RESTful API design, and microservices architecture.
• Experience with relational databases such as PostgreSQL and Microsoft SQL Server and NoSQL databases such as DynamoDB, MongoDB, and Cassandra.
• Hands-on with AWS services including EC2, S3, Lambda, SES, SQS, SNS, RDS, ECS, and API Gateway, plus CloudWatch or CloudTrail, IAM, VPC networking, and IaC using Terraform or CloudFormation.
• Containerization with Docker.
• Build and test tools such as Maven, Gradle, and JUnit 5.
• CI/CD pipelines, test automation, unit testing, and software security best practices.
• Nice to have: Frontend experience with React or Angular, GitLab CI/CD exposure, and experience with AI development tools such as Amazon Kiro or similar with strong validation practices.

• Bachelor's degree in Computer Science, Information Systems, or related discipline with at least seven years of related experience, or an equivalent combination of education and work experience.
• Background in system design, cloud technologies, relational and NoSQL data stores, performance tuning and optimization, DevOps and CI/CD, test automation and unit testing, and software security.

Recruitment Transparency Notice

Eliassen Group values transparency in our recruitment practices. Please be advised that Eliassen Group utilizes artificial intelligence (AI) tools as part of its initial application screening  and hiring process. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( View email address on us.fitly.work , View phone number on us.fitly.work) inviting you to complete a brief voice screening as part of your application process. These tools assist our hiring teams in different ways, including but not limited to, assistance in reviewing application materials to help identify candidates whose qualifications most closely match the requirements of the position. All AI-assisted evaluations and responses are reviewed by human recruiters before any hiring decisions are made. The use of AI in our process is intended to support fairness, efficiency, and consistency, and Eliassen Group takes measures to prevent bias or discrimination in connection with its hiring practices. By proceeding, you acknowledge, agree, and consent to Eliassen Group’s use of these tools, including AI tools, as part of the application and hiring process.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.

· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.

If you have any indication of fraudulent activity, please contact View email address on us.fitly.work .

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Affirmative Action Employer and all employment decisions are based on merit, performance, and business needs. Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.

Don’t miss out on our referral program! If we hire a candidate that you refer us to then you can be eligible for a $1,000 referral check!