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Lead GraphQL Java Python Engineer

Jobs via Dice
Rockville, MD Intern
POSTED ON 4/29/2026
AVAILABLE BEFORE 5/27/2026
Description:

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

Our client seeks a Lead Software Engineer to integrate COTS platforms with internal systems that support investigations. The role centers on GraphQL API design, integration architecture, and middleware for secure and reliable data exchange. The engineer will lead vendor collaboration, mentor peers on best practices, and ensure performance, scalability, and maintainability. The environment includes Java, Python, Oracle, SQL Server, AWS, containers, and CI/CD.

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: $70.00 to $80.00/hr. w2

Responsibilities:

  • Design, develop, and maintain GraphQL APIs to enable efficient data exchange between COTS platforms and internal systems.
  • Architect scalable integration solutions connecting external products with internal databases, applications, and services.
  • Build and maintain middleware, integration layers, and data pipelines for reliable system-to-system communication.
  • Collaborate with COTS vendors on technical requirements, API specifications, and troubleshooting.
  • Implement data mapping, transformation, and synchronization with data integrity and security.
  • Mentor engineers on integration patterns and GraphQL best practices and guide technical decisions.
  • Ensure integration solutions meet performance, scalability, and reliability requirements.

Experience Requirements:

  • 7 years of software engineering experience with 3 years in enterprise system integration.
  • Strong expertise in GraphQL including schema design, query optimization, resolver implementation, and federation patterns.
  • Proficiency in Java and Python.
  • Experience with REST APIs, OAuth 2.0, JWT, SAML, and API gateway technologies.
  • Strong understanding of Oracle and SQL Server databases.
  • Experience with AWS cloud services and containerization.
  • Knowledge of CI/CD practices and DevOps principles.
  • Experience with GraphQL federation and federated architectures (preferred).
  • Background integrating case management, analytics, or enterprise software platforms (preferred).
  • Experience with message brokers and event-driven architectures (preferred).
  • Understanding of security best practices for API integration in regulated environments (preferred).

Education Requirements:

  • Bachelor's degree in Computer Science, Software Engineering, or related field.
  • Master's degree preferred.
  • AWS-related certifications (preferred).

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 (, ) 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.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:

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 .

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!

Salary : $70 - $80

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