Full-Stack Developer

Job Summary:

The Full-Stack Developer will design, develop, and maintain web applications and internal tools that support both client-facing digital experiences and internal operational needs. This position contributes to the full software development lifecycle—including planning, development, testing, deployment, and support—while collaborating with team members across departments to ensure solutions align with business objectives.

The developer will work extensively within the firm’s core technology stack and should be comfortable leveraging AI technologies and AI service integrations to enhance product capabilities and improve workflows.

No C2C or 1099.

Responsibilities:

• Develop and maintain web applications, APIs, and internal tools that support both client-facing sites and internal business processes.
• Write clean, maintainable, testable code with attention to performance, scalability, and long-term sustainability.
• Participate in planning, estimating, and sprint activities within an Agile/Scrum environment.
• Collaborate with team members to gather requirements, refine user stories, and translate business needs into functional software.
• Build and integrate AI-driven features or workflows using approved AI services, APIs, or frameworks.
• Create, maintain, and run unit tests for new and existing codebases.
• Conduct and participate in code reviews to ensure adherence to coding standards and best practices.
• Implement secure authentication, authorization, and data-handling practices across applications.
• Ensure responsiveness, accessibility, and cross-browser compatibility of web applications.
• Build server-side components, services, and background processes as needed.
• Integrate internal and third-party APIs, data sources, and web services.
• Maintain and optimize existing databases and SQL queries.
• Troubleshoot, identify, and resolve software defects, performance issues, and bottlenecks.
• Prepare technical documentation for code, APIs, and system components.
• Collaborate with other developers, QA personnel, product owners, and stakeholders to deliver high-quality releases.

Minimum Requirements:

Required Education:

Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related field; equivalent experience may be considered.

Proficiency Required In:

• .NET Core / .NET
• C#
• JavaScript / TypeScript
• Modern front-end frameworks (Angular preferred; React experience a plus)
• SQL Server, Entity Framework, LINQ
• REST APIs and microservice architecture
• Azure Services, Azure DevOps, Git
• Familiarity with using or integrating AI services, APIs, or SDKs (OpenAI, Azure OpenAI, cognitive services, vector search, etc.)
• Experience leveraging AI coding platforms/assistants (e.g., Claude Code, Codex, Antigravity, Cursor, etc.) to accelerate development

Minimum Years of Experience:

3–5 years in software development or a related role.
Experience working in Agile/Scrum environments preferred.

Other Requirements (Knowledge, Skill, Abilities)

• Strong analytical and problem-solving skills.
• Ability to work collaboratively in a team environment.
• Strong written and verbal communication skills.
• Excellent organizational skills.
• Ability to manage multiple tasks and projects simultaneously.
• Intermediate proficiency in Microsoft Office Suite (Outlook, Excel, PowerPoint, Word).

Core Values:

• Collaboration: At Lexicon, an emphasis is placed on working together seamlessly and leveraging the collective strengths of individuals within the organization. Employees promote communication, teamwork, and the sharing of ideas to achieve common goals and objectives.
• Responsiveness: Responsiveness measures our ability to react quickly and effectively to changes, demands, or challenges. A responsive Employee fulfills all obligations effectively and timely to our current and future clients, while maintaining effectiveness and staying aware of evolving business needs or circumstances.
• Culturally Positive: The “Courage to Ask Why” reflects our culture that encourages curiosity, understanding, critical thinking, and challenging the status quo. Employees professionally question existing processes, seek new viewpoints, and explore customer-focused solutions. Employees embrace and promote the values and beliefs of the organization and demonstrate respect for their colleagues, our clients, and the broader community. Employees create a culture that encourages “asking why” through professional curiosity, understanding, critical thinking, and challenging the status quo.
• Customer Service: Employees are committed to prioritize and exceed the expectations of current and future clients. Employees know and anticipate the needs of internal and external customers and act accordingly – providing high priority to customer satisfaction.

Physical Requirements and Work Environment:

• Physical Demands:
  • Potential prolonged periods of sitting at a desk and working on a computer.
  • Some lifting, up to 30lbs.
  • The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
• Work Environment:
  • Work to be conducted remotely via assigned technology.
  • The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job.
• Reasonable accommodation:
  • Reasonable accommodations may be made to enable individuals with disabilities to perform the job responsibilities. Additional duties are performed by the individuals currently holding this position and additional duties may be assigned.

Acknowledgement:

The above statements describe the job’s essential responsibilities and requirements. They are not an exhaustive list of the duties that may be assigned to job incumbents.