Lead Software Developers

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Travel Required:

Clearance Required:

The Lead Software Developer is a hands-on technical leader responsible for guiding the modernization of mission-critical legacy applications while maintaining business continuity and interoperability with existing systems. This role establishes technical direction leads solution design and implementation reviews code and engineering deliverables mentors developers and resolves complex technical issues while remaining actively engaged in development. The Lead designs builds tests and deploys modern application and AI-enabled capabilities using the languages frameworks models and platforms best suited to each solution including Python Java JavaScript/TypeScript C#/.NET Go or comparable technologies. Working closely with architects data engineers security DevSecOps product teams vendors and Federal stakeholders the Lead ensures that modernization increments are secure maintainable compliant and aligned with architecture data-governance and delivery objectives.

What You Will Do:

We are seeking a Lead Software Developer with AI engineering capabilities to provide hands-on technical leadership for the phased low-risk modernization of a large-scale GrantSolutions application portfolio. The Lead will guide a development team in enhancing and refactoring legacy applications building cloud-hosted services with modern languages and frameworks and delivering production-ready AI capabilities that improve information access automate workflows and augment user decision-making. The role combines direct software development with ownership of technical design work decomposition engineering standards code quality team mentoring technical risk management and delivery readiness.

The Lead Software Developer will translate architecture and data-governance standards into working software and guide developers in applying those standards consistently. This individual will lead technical design sessions define implementation approaches and interface contracts assign and coordinate technical work conduct code and design reviews support estimation and planning and serve as the primary technical point of contact for assigned delivery efforts. The Lead will collaborate with Solution Architects Product Owners application and data teams vendors security teams and Federal stakeholders to deliver incremental modernization without disrupting ongoing operations.

• Provide hands-on technical leadership for a development team establishing implementation direction engineering standards delivery priorities and clear accountability for technical outcomes.
• Lead solution design technical discovery estimation work decomposition and implementation planning for complex modernization features and releases.
• Conduct architecture design and code reviews; enforce secure coding testing documentation and maintainability standards; and ensure timely remediation of technical debt and quality issues.
• Mentor developers through pairing technical coaching constructive review feedback reusable patterns and knowledge sharing that improves team capability and consistency.
• Identify and communicate technical risks dependencies tradeoffs and escalation needs; coordinate resolution across architecture security data DevSecOps vendor and product teams.
• Analyze legacy applications data structures interfaces dependencies and business rules to identify safe modernization increments.
• Enhance and refactor legacy applications and databases while developing new APIs services automation and cloud-native components using appropriate modern languages and frameworks including Python Java JavaScript/TypeScript C#/.NET Go or comparable technologies.
• Implement phased modernization patterns that allow modern and legacy capabilities to operate concurrently without disrupting mission operations.
• Build and maintain an integrated data layer that provides consistent governed access to shared data through APIs events reusable data services canonical models and transformation components.
• Develop interoperability between legacy applications modern services vendor platforms and analytics capabilities using synchronous APIs asynchronous messaging events batch processing and change-data patterns.
• Implement data mapping validation transformation lineage reconciliation synchronization error handling and auditability across systems of record.
• Design prototype and productionize AI capabilities such as retrieval-augmented generation semantic search document intelligence classification summarization intelligent assistants and agent-supported workflows when appropriate to the business need.
• Integrate foundation models and machine-learning services with enterprise applications APIs and governed data using prompt orchestration embeddings vector search tools and model-agnostic service patterns.
• Design versioned API event and data contracts that decouple consumers from legacy implementation details and support controlled schema evolution.
• Preserve validated business rules and compliance controls while progressively separating tightly coupled application and data components.
• Develop resilient services using retries timeouts idempotency dead-letter queues transaction controls and failure-recovery mechanisms.
• Implement secure authentication authorization encryption secrets management and least-privilege access across application and data interfaces.
• Create unit integration contract regression and performance tests to verify business behavior and end-to-end interoperability.
• Develop AI evaluation suites and operational controls for accuracy groundedness relevance latency cost security privacy prompt injection sensitive-data exposure model drift and other use-case-specific risks.
• Implement responsible AI controls including guardrails traceability audit logging model and prompt versioning human-in-the-loop review fallback behavior and ongoing monitoring aligned with organizational and Federal requirements.
• Use CI/CD pipelines infrastructure as code code reviews automated security scanning and feature controls to deliver changes safely and repeatedly.
• Instrument application and data flows with centralized logging metrics tracing health checks alerts and operational dashboards.
• Troubleshoot defects across application code data flows APIs events databases AWS services identity controls network paths and deployment environments.
• Document code design data models mappings interface contracts migration decisions test evidence deployment procedures and operational runbooks.
• Collaborate in Agile delivery with architects developers data engineers DevSecOps security vendors product teams and Federal stakeholders.

What You Will Need:

• Must be able to OBTAIN and MAINTAIN a Federal or DoD PUBLIC TRUST; candidates must obtain approved adjudication of their PUBLIC TRUST prior to onboarding with Guidehouse. Candidates with an ACTIVE PUBLIC TRUST or SUITABILITY are preferred.
• Bachelors degree required.
• Minimum of EIGHT (8) years of progressive software development experience including hands-on leadership of complex development efforts involving legacy application enhancement or modernization backend service development data integration cloud delivery and production support.
• Demonstrated experience leading technical design and delivery for a software development team including work planning estimation task decomposition code reviews engineering standards mentoring and resolution of cross-team technical dependencies.
• Ability to make and clearly communicate sound technical decisions balance delivery speed with security and maintainability and translate business and architecture objectives into executable engineering plans.
• Strong hands-on proficiency in one or more modern programming languages and associated frameworks such as Python Java JavaScript/TypeScript C#/.NET Go or comparable technologies along with SQL RESTful API development automated testing and maintainable software design.
• Experience engineering AI-enabled applications using foundation-model APIs or machine-learning services including prompt design retrieval-augmented

What We Offer:

Guidehouse offers a comprehensive total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.

Benefits include:

• Medical Rx Dental & Vision Insurance

• Personal and Family Sick Time & Company Paid Holidays

• Parental Leave

• 401(k) Retirement Plan

• Group Term Life and Travel Assistance

• Voluntary Life and AD&D Insurance

• Health Savings Account Health Care & Dependent Care Flexible Spending Accounts

• Transit and Parking Commuter Benefits

• Short-Term & Long-Term Disability

• Tuition Reimbursement Personal Development Certifications & Learning Opportunities

• Employee Referral Program

• Corporate Sponsored Events & Community Outreach

• annual membership

• Employee Assistance Program

• Supplemental Benefits via Corestream (Critical Care Hospital Indemnity Accident Insurance Legal Assistance and ID theft protection etc.)

• Position may be eligible for a discretionary variable incentive bonus

About Guidehouse

Guidehouse is an Equal Opportunity EmployerProtected Veterans Individuals with Disabilities or any other basis protected by law ordinance or regulation.

Guidehouse will consider for employment qualified applicants with criminal histories in a manner consistent with the requirements of applicable law or ordinance including the Fair Chance Ordinance of Los Angeles and San Francisco.

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