{"schemaVersion":"jobsearcher.job.v1","id":"023176f85487744c44e6f7ff","url":"https://jobsearcher.com/jobs/023176f85487744c44e6f7ff","canonicalUrl":"https://jobsearcher.com/jobs/023176f85487744c44e6f7ff","title":"Lead Software Developers","description":"Job Family:\n\nSoftware Development & Support (Digital)\n\nTravel Required:\n\nNone\n\nClearance Required:\n\nAbility to Obtain Public Trust\n\nThe 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.\n\nWhat You Will Do:\n\nWe 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.\n\nThe 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.\n\nProvide hands-on technical leadership for a development team, establishing implementation direction, engineering standards, delivery priorities, and clear accountability for technical outcomes.\nLead solution design, technical discovery, estimation, work decomposition, and implementation planning for complex modernization features and releases.\nConduct architecture, design, and code reviews; enforce secure coding, testing, documentation, and maintainability standards; and ensure timely remediation of technical debt and quality issues.\nMentor developers through pairing, technical coaching, constructive review feedback, reusable patterns, and knowledge sharing that improves team capability and consistency.\nIdentify and communicate technical risks, dependencies, tradeoffs, and escalation needs; coordinate resolution across architecture, security, data, DevSecOps, vendor, and product teams.\nAnalyze legacy applications, data structures, interfaces, dependencies, and business rules to identify safe modernization increments.\nEnhance 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.\nImplement phased modernization patterns that allow modern and legacy capabilities to operate concurrently without disrupting mission operations.\nBuild 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.\nDevelop interoperability between legacy applications, modern services, vendor platforms, and analytics capabilities using synchronous APIs, asynchronous messaging, events, batch processing, and change-data patterns.\nImplement data mapping, validation, transformation, lineage, reconciliation, synchronization, error handling, and auditability across systems of record.\nDesign, 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.\nIntegrate 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.\nDesign versioned API, event, and data contracts that decouple consumers from legacy implementation details and support controlled schema evolution.\nPreserve validated business rules and compliance controls while progressively separating tightly coupled application and data components.\nDevelop resilient services using retries, timeouts, idempotency, dead-letter queues, transaction controls, and failure-recovery mechanisms.\nImplement secure authentication, authorization, encryption, secrets management, and least-privilege access across application and data interfaces.\nCreate unit, integration, contract, regression, and performance tests to verify business behavior and end-to-end interoperability.\nDevelop 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.\nImplement 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.\nUse CI/CD pipelines, infrastructure as code, code reviews, automated security scanning, and feature controls to deliver changes safely and repeatedly.\nInstrument application and data flows with centralized logging, metrics, tracing, health checks, alerts, and operational dashboards.\nTroubleshoot defects across application code, data flows, APIs, events, databases, AWS services, identity controls, network paths, and deployment environments.\nDocument code design, data models, mappings, interface contracts, migration decisions, test evidence, deployment procedures, and operational runbooks.\nCollaborate in Agile delivery with architects, developers, data engineers, DevSecOps, security, vendors, product teams, and Federal stakeholders.\n\nWhat You Will Need:\n\nMust 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.\nBachelor’s degree required.\nMinimum 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.\nDemonstrated 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.\nAbility 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.\nStrong 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.\nExperience engineering AI-enabled applications using foundation-model APIs or machine-learning services, including prompt design, retrieval-augmented\n\nWhat We Offer:\n\nGuidehouse 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.\n\nBenefits include:\n\nMedical, Rx, Dental & Vision Insurance\n\nPersonal and Family Sick Time & Company Paid Holidays\n\nParental Leave\n\n401(k) Retirement Plan\n\nGroup Term Life and Travel Assistance\n\nVoluntary Life and AD&D Insurance\n\nHealth Savings Account, Health Care & Dependent Care Flexible Spending Accounts\n\nTransit and Parking Commuter Benefits\n\nShort-Term & Long-Term Disability\n\nTuition Reimbursement, Personal Development, Certifications & Learning Opportunities\n\nEmployee Referral Program\n\nCorporate Sponsored Events & Community Outreach\n\nCare.com annual membership\n\nEmployee Assistance Program\n\nSupplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)\n\nPosition may be eligible for a discretionary variable incentive bonus\n\nAbout Guidehouse\n\nGuidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.\n\nGuidehouse 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.\n\nIf you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.\n\nAll communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.\n\nIf any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.\n\nGuidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.","company":"Guidehouse","rawCompany":"guidehouse","city":"McLean","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-09-01T08:22:47.743Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Software Developers","description":"Job Family:\n\nSoftware Development & Support (Digital)\n\nTravel Required:\n\nNone\n\nClearance Required:\n\nAbility to Obtain Public Trust\n\nThe 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.\n\nWhat You Will Do:\n\nWe 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.\n\nThe 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.\n\nProvide hands-on technical leadership for a development team, establishing implementation direction, engineering standards, delivery priorities, and clear accountability for technical outcomes.\nLead solution design, technical discovery, estimation, work decomposition, and implementation planning for complex modernization features and releases.\nConduct architecture, design, and code reviews; enforce secure coding, testing, documentation, and maintainability standards; and ensure timely remediation of technical debt and quality issues.\nMentor developers through pairing, technical coaching, constructive review feedback, reusable patterns, and knowledge sharing that improves team capability and consistency.\nIdentify and communicate technical risks, dependencies, tradeoffs, and escalation needs; coordinate resolution across architecture, security, data, DevSecOps, vendor, and product teams.\nAnalyze legacy applications, data structures, interfaces, dependencies, and business rules to identify safe modernization increments.\nEnhance 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.\nImplement phased modernization patterns that allow modern and legacy capabilities to operate concurrently without disrupting mission operations.\nBuild 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.\nDevelop interoperability between legacy applications, modern services, vendor platforms, and analytics capabilities using synchronous APIs, asynchronous messaging, events, batch processing, and change-data patterns.\nImplement data mapping, validation, transformation, lineage, reconciliation, synchronization, error handling, and auditability across systems of record.\nDesign, 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.\nIntegrate 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.\nDesign versioned API, event, and data contracts that decouple consumers from legacy implementation details and support controlled schema evolution.\nPreserve validated business rules and compliance controls while progressively separating tightly coupled application and data components.\nDevelop resilient services using retries, timeouts, idempotency, dead-letter queues, transaction controls, and failure-recovery mechanisms.\nImplement secure authentication, authorization, encryption, secrets management, and least-privilege access across application and data interfaces.\nCreate unit, integration, contract, regression, and performance tests to verify business behavior and end-to-end interoperability.\nDevelop 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.\nImplement 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.\nUse CI/CD pipelines, infrastructure as code, code reviews, automated security scanning, and feature controls to deliver changes safely and repeatedly.\nInstrument application and data flows with centralized logging, metrics, tracing, health checks, alerts, and operational dashboards.\nTroubleshoot defects across application code, data flows, APIs, events, databases, AWS services, identity controls, network paths, and deployment environments.\nDocument code design, data models, mappings, interface contracts, migration decisions, test evidence, deployment procedures, and operational runbooks.\nCollaborate in Agile delivery with architects, developers, data engineers, DevSecOps, security, vendors, product teams, and Federal stakeholders.\n\nWhat You Will Need:\n\nMust 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.\nBachelor’s degree required.\nMinimum 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.\nDemonstrated 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.\nAbility 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.\nStrong 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.\nExperience engineering AI-enabled applications using foundation-model APIs or machine-learning services, including prompt design, retrieval-augmented\n\nWhat We Offer:\n\nGuidehouse 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.\n\nBenefits include:\n\nMedical, Rx, Dental & Vision Insurance\n\nPersonal and Family Sick Time & Company Paid Holidays\n\nParental Leave\n\n401(k) Retirement Plan\n\nGroup Term Life and Travel Assistance\n\nVoluntary Life and AD&D Insurance\n\nHealth Savings Account, Health Care & Dependent Care Flexible Spending Accounts\n\nTransit and Parking Commuter Benefits\n\nShort-Term & Long-Term Disability\n\nTuition Reimbursement, Personal Development, Certifications & Learning Opportunities\n\nEmployee Referral Program\n\nCorporate Sponsored Events & Community Outreach\n\nCare.com annual membership\n\nEmployee Assistance Program\n\nSupplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)\n\nPosition may be eligible for a discretionary variable incentive bonus\n\nAbout Guidehouse\n\nGuidehouse is an Equal Opportunity Employer–Protected Veterans, Individuals with Disabilities or any other basis protected by law, ordinance, or regulation.\n\nGuidehouse 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.\n\nIf you have visited our website for information about employment opportunities, or to apply for a position, and you require an accommodation, please contact Guidehouse Recruiting at 1-571-633-1711 or via email at RecruitingAccommodation@guidehouse.com. All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodation.\n\nAll communication regarding recruitment for a Guidehouse position will be sent from Guidehouse email domains including @guidehouse.com or guidehouse@myworkday.com. Correspondence received by an applicant from any other domain should be considered unauthorized and will not be honored by Guidehouse. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Never provide your banking information to a third party purporting to need that information to proceed in the hiring process.\n\nIf any person or organization demands money related to a job opportunity with Guidehouse, please report the matter to Guidehouse’s Ethics Hotline. If you want to check the validity of correspondence you have received, please contact recruiting@guidehouse.com. Guidehouse is not responsible for losses incurred (monetary or otherwise) from an applicant’s dealings with unauthorized third parties.\n\nGuidehouse does not accept unsolicited resumes through or from search firms or staffing agencies. All unsolicited resumes will be considered the property of Guidehouse and Guidehouse will not be obligated to pay a placement fee.","datePosted":"2026-09-01T08:22:47.743Z","dateModified":"2026-09-01T08:22:47.743Z","hiringOrganization":{"@type":"Organization","name":"Guidehouse","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"McLean","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"023176f85487744c44e6f7ff"},"url":"https://jobsearcher.com/jobs/023176f85487744c44e6f7ff"}}