Senior Application Architect/ Developer

Senior Application Architect/ Developer

Herndon, VA

Contract to Hire

Key Responsibilities
Application Portfolio Assessment
Lead large-scale application portfolio discovery and assessment engagements across enterprise client environments covering 100s to 1000s of applications spanning Java, .NET, legacy frameworks, packaged COTS applications, and custom-built systems

Design and execute application assessment frameworks covering Technical health, cloud readiness, containerization / serverless readiness and potential modernization pathways
Conduct and Lead application dependency mapping and integration topology analysis

Lead technical interviews and workshops with client development, operations, and architecture teams to supplement automated discovery data with qualitative context

Produce formal Application Assessment Reports with executive summary, portfolio heat maps, technical findings, R-Treatment recommendations, and migration / modernization readiness scores per application
Large-Scale Application Migration & Modernization Architecture
Design target state cloud architectures for complex, multi-tier enterprise applications spanning web, middleware, and database layers across Java, .NET, and polyglot environments

Architect DevSecOps transformation pipelines including CI/CD design, automated testing integration, security scanning, and GitOps adoption for modernized application platforms
Migration Strategy & R-Treatment Decision Making
Develop and apply structured R-Treatment decision frameworks based on business value, technical health, cloud fit, and strategic priority

Define application placement strategies with precision prescribing the right modernization treatment for each application across the 7-Rs

Design migration sequencing and wave planning strategies balancing business priority, technical dependency order, risk concentration, and delivery team capacity across multi-year migration programs

Develop risk registers for migration programs, identifying application-level technical risks, integration risks, data migration dependencies, and organizational change management considerations
Modernization Roadmap Development

Translate assessment findings and migration strategy decisions into detailed, milestone driven, multi- horizon modernization roadmaps

Prepare business case for modernization roadmaps quantifying expected outcomes while aligning them to Client organizational constraints

Develop application-level effort estimation models tied to migration wave plans providing granular, defensible estimates by treatment type, application complexity, and integration scope
Platform & Practice Development
Own the assessment and roadmap solutioning narrative for proposals from discovery scoping through roadmap presentation and commercial structuring

Lead and support technical solution defense sessions with clients, AWS alliance teams, and partner organizations with confidence

Collaborate with the Solutions team to build and continuously refine reusable assessment and strategy assets

Support GenAI-assisted assessment tooling development including automated code analysis, dependency extraction, and cloud readiness scoring acceleration

Support POC development and platform demo execution, on need basis
Ideal Candidate Profile
15+ years of overall IT experience with with minimum 5 plus as an Enterprise Architect or Cloud
Architect in large-scale environment
8 12 years of experience in application architecture with a clear, demonstrated specialization in application portfolio assessment, migration strategy, and modernization roadmap development at enterprise scale
Proven experience leading application assessment engagements for large enterprise clients with portfolios of 50 1000+ applications across heterogeneous technology landscapes
Deep expertise in R-Treatment decision frameworks ability to independently assess, classify, and
prescribe modernization treatment for diverse application types with clear, defensible rationale
Strong understanding of application placement strategy across containerization, serverless, re-platform, and rearchitect patterns with ability to articulate trade-offs at both technical and business levels
Hands-on knowledge of application discovery and assessment tooling such as MGN, CAST, Dynatrace, App Dynamics, SonarQube, Veracode and AWS X-Ray
Strong understanding of cloud-native architecture patterns: microservices, containers
(Docker/Kubernetes/OpenShift), serverless (Lambda, API Gateway), event-driven design, and API-first principles sufficient to assess application fitness for each pattern and design the target architecture
Experience with DevSecOps toolchains (Jenkins, GitHub Actions, ADO, Terraform, CloudFormation) and ability to define DevSecOps enablement as part of migration roadmaps
Strong business case development skills ability to construct TCO models, ROI analyses, and
modernization investment justifications for executive audiences
Excellent written communication and presentation skills able to produce and present board-quality assessment reports, portfolio heat maps, and roadmap decks
Proven ability to operate in onsite-offshore engagement models with direct CxO and technical stakeholder engagement
Prior consulting or pre-sales solutioning experience is strongly preferred
Technical Skills
7+ years of hands-on development experience with .NET Framework / .NET Core and Java
(Spring / J2EE).
5+ years of experience with enterprise databases, including Oracle, SQL Server, MySQL,
and PostgreSQL.
Strong understanding of application architecture patterns, microservices, APIs, and
distributed systems.
Familiarity with cloud-native architectures, containerization, and modern application
frameworks is a plus.
Cloud Expertise
Strong experience with AWS cloud services and migration best practices.
Education:
Bachelor's degree in Computer Science, Electrical Engineering, or related field.
AWS Certified Solutions Architect Professional preferred.
Additional certifications such as AWS Certified DevOps Engineer, AWS Certified Security Specialty,
or AWS Certified Advanced Networking Specialty are a plus.