Principal Software Architect

Amtex Systems Inc
Ashburn, VA

Role:-Principal Software Architect

Location:-Ashburn, VA-

Duration:-6 Months Contract to Hire Role



Tech Stack- Backend, AWS, Java/Python, Microservices, AI Agentic Tools, like Claude code/Codex


Hands-On Architecture & Engineering (~60%)

1 Design and implement scalable AWS architectures

2 Build reference implementations and POCs

3 Contribute to production code and review PRs

4 Define API standards (REST/GraphQL)

5 Drive event-driven architectures using EventBridge, SNS, and SQS

6 Work on both greenfield systems and legacy modernization


Event-Driven Architecture (Explicit Expectations

1 Design fan-out patterns using SNS/EventBridge for decoupled systems

2 Implement asynchronous workflows using SQS and event orchestration

3 Define clear event contracts and versioning strategies

4 Balance eventual consistency vs strong consistency based on business needs

5 Apply event-driven patterns pragmatically (avoid over-engineering/event overuse)


Architecture Leadership

1 Lead design reviews and technical deep dives

2 Establish and enforce architecture standards

3 Own ADRs and decision-making discipline

4 Align teams on scalable, consistent patterns

5 Partner with DevOps and engineering leadership


Security & Platform Architecture

1 Design identity and access patterns (Entra ID, Okta)

2 Implement IAM and JWT-based authorization

3 Drive zero-trust architecture principles

4 Ensure compliance with federal/regulatory requirements


AI-Driven Engineering

1 Use Claude Code and OpenAI Codex in daily engineering work

2 Define AI-assisted development standards

3 Improve debugging, automation, and code generation with AI

4 Drive measurable productivity gains across teams

Communication & Alignment

1 Present to engineering and business stakeholders

2 Create high-quality documentation and architecture artifacts

3 Bridge technical decisions with business outcomes

Required Qualifications

8+ years engineering experience

Strong AWS and backend experience

Microservices and event-driven systems

Security architecture knowledge

Strong debugging and system design skills



Preferred Qualifications

1 AWS Solutions Architect certification

2 DDD and hexagonal architecture (pragmatic use)

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