Web Application Architect

Position: Web Application Architect 3
## Web Application Architect 3

Apply locations:
Arlington, VA - 1801 S Bell (INDG) time type:
Full time posted on:
Posted 2 Days Agojob requisition :
143295

Responsible for complex application design, development, integration, delivery and support. Individual in this position must be a self-directed professional, who will use their expertise to influence teams on best approach with new and existing technologies and programming languages to achieve business goals.
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* What you will do:

*** Architect, design and deliver high-quality code by promoting and designing INDG best practices.
* Solve complex problems in a creative manner in a timely fashion.
* Act as the go-to expert in at least one technical area and have a very good working knowledge of the broader architecture of the entire system.
* Strongly influence the direction on resolving/diagnosing/monitoring systems & platforms.
* Identify key problems affecting their team and adopt innovative technical solutions to solve them.
* Design and guide feature design and implementation of features for the entire team and deliver solutions for cross-team initiatives.
* Participate in cross-business technical reviews.
* Design and develop scalable, high-availability, high-performance products.
* Participate in special projects and perform other duties as assigned.
* Build and maintain features across the Tax Provision platform — from React microfront end screens to Type Script serverless Lambdas, Fastify services, and NestJS applications supporting ASC 740 corporate tax provision calculations.
* Use AI coding assistants effectively — writing precise prompts, reviewing AI-generated code critically, and applying outputs productively within a large, multi-repo codebase.
* Write and maintain unit, integration, E2E, and performance tests using Jest, Playwright, and k6.
* Collaborate with architects and product teams to evolve async job patterns (imports, report generation), calculation service APIs, data layer abstractions, and cross-cutting observability (Open Telemetry, Grafana Faro).
* Develop, deploy, and maintain infrastructure using Terraform and AWS SAM targeting AWS (Lambda, ECS, API Gateway, RDS/PostgreSQL, DynamoDB, S3, Cloud Front, Secrets Manager, Route 53, WAF).You need to have:
* Bachelor’s degree in related field or equivalent experience.
* 5 years of software development experience and/or commensurate skills building commercial applications with modern software engineering practices.
* Experience completing tasks quickly and efficiently at a production level.
* Experience running and taking ownership of a large project deliverables both collaboratively and independently.
* Experience reducing the complexity of projects, services, and processes to get more done with less work.
* A track record of being a strong influencer and thought leader in the full software development life cycle of distributed software delivery teams using Agile/Scrum and Dev Sec Ops  practices.
* Expertise with cloud technologies i.e. AWS, Serverless, Event Driven Architecture, SOA, Micro Services, Microfront end, CI/CD, Infrastructure as code, and other modern technologies.
* Strong Type Script/JavaScript (Node 18+) — the primary language across APIs, Lambdas, business logic, and tooling.
* Proficiency with React 18 and modern React patterns (hooks, context, query management).
* NestJS — working with module-based architecture, TypeORM, JWT auth, and Swagger.
* PostgreSQL — schema management, query optimization, stored procedures, TypeORM migrations.
* Microfront end architecture — experience with single-spa or similar composition patterns.
* MobX / MobX-State-Tree and Tan Stack React Query for state and server-state management.
* Git Lab CI/CD — pipeline authoring, shared templates, environment management, and security scan integration.
* Terraform — writing and maintaining AWS infrastructure modules (Cloud Front, S3, ECS, Lambda, API Gateway, VPC, IAM, RDS, WAF, Route 53).
* Jest (unit + integration), Playwright (E2E), k6 (load/performance).
* Hands-on experience with one or more AI coding tools:
Cursor, Git Hub Copilot, Claude Code, or equivalent.
* Ability to use AI assistants effectively within a large,…