Lead Software Engineer (GraphQL, Java, AWS)

Title: Lead Software Engineer (GraphQL, Java, AWS)

Location : Rockville, MD or McLean, VA

Target Start Date : ASAP

Type: contract

Pay Rate: DOE

The Lead Software Engineer will lead the integration of Commercial Off-The-Shelf (COTS) products with enterprise technology infrastructure to support an investigations organization. This role focuses on technical integration architecture, GraphQL API development, and ensuring seamless connectivity between external platforms and internal systems.

Key Responsibilities

GraphQL API Development- Design, develop, and maintain GraphQL APIs to enable efficient data exchange between COTS platforms and internal systems.

Integration Architecture- Architect scalable integration solutions that connect external products with internal databases, applications, and services.

Systems Connectivity- Build and maintain middleware, integration layers, and data pipelines to ensure reliable system-to-system communication.

Vendor Technical Collaboration- Work with COTS vendors on technical integration requirements, API specifications, and troubleshooting.

Data Integration- Implement data mapping, transformation, and synchronization processes while maintaining data integrity and security standards.

Technical Leadership- Mentor engineers on integration patterns and GraphQL best practices, and guide technical decisions for the investigations technology stack.

Performance and Reliability- Ensure integration solutions meet performance, scalability, and reliability requirements.

Required Qualifications

Bachelor's degree in Computer Science, Software Engineering, or related field (Master's preferred)

7+ years of software engineering experience with at least 3 years focused on 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, authentication protocols (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

Preferred Qualifications

Experience with GraphQL federation and federated architecture implementations

Background integrating case management, analytics, or enterprise software platforms

Experience with message brokers and event-driven architectures

Understanding of security best practices for API integration in regulated environments

Skills and Competencies

API Design Excellence- Deep understanding of GraphQL schema design, query performance, and API versioning strategies.

Integration Architecture- Ability to design and implement robust, scalable integration solutions.

Technical Problem-Solving- Strong troubleshooting skills for complex integration challenges.

Vendor Collaboration- Effective technical communication with external vendors and internal stakeholders.

Documentation- Clear technical documentation for APIs, integration architectures, and system interfaces.

Quality Focus-Commitment to code quality, testing, and monitoring best practices.

Key Technologies

GraphQL (Apollo Server/Client, GraphQL Federation)

Programming Languages: Java, Python

Databases: DocumentDB, MongoDB

Cloud Platform: AWS (Lambda, API Gateway, ECS, S3, RDS)

Integration and Messaging: Cloud-based integration services and event patterns

Containerization: Docker and container orchestration

DevOps: CI/CD pipelines, monitoring, and logging

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