Zensar Technologies
From Zensar Technologies's careers page
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We are seeking a Solution Architect to design and lead a central email gateway.
We are seeking a Solution Architect to design and lead a central email gateway. It will sit between the client's commerce platform, its middleware (enterprise service bus) and a new email service provider, and will carry all business-critical transactional email, such as order, shipping, refund and account notifications. The gateway offers two integration models:
a pass-through API for systems that are ready to use the new provider directly
a backward-compatible API that mimics the legacy provider, so existing systems only need to change an endpoint
The Architect will own the AWS target architecture, the versioned API contracts, a configuration-driven mapping model, and the resilience design needed to make sure no email is lost or sent twice. The role leads a small cross-functional team on a short build window, drives technical decisions with the client's architects, and owns cutover readiness and early-life support.
Architecture & Design
Own the AWS target architecture across edge, API Gateway, private networking, load-balancing and ECS Fargate integration, containerized compute, eventing, audit and data flows
Define versioned OpenAPI contracts for the pass-through and backward-compatible APIs
Design a configuration-driven mapping engine for campaign, field and error-code translation
Design resilience patterns: timeouts, retries with backoff, circuit breaker, idempotency and dead-letter queue (DLQ) handling
Design the Security & Observability Framework
Technical Leadership
Lead discovery and capture existing integration contracts from live traffic
Set engineering standards and review all code, including AI-generated code
Guide developers, DevOps and QA on design, testability and performance
Establish AI-assisted application-building workflows using AI approved
Stakeholder & Delivery
Present options and recommendations to the client's architecture and platform teams
Coordinate the ecommerce, middleware and email provider teams through integration and SIT
Own cutover planning, go/no-go criteria and early-life support
Security & Compliance
Ensure OAuth2 machine-to-machine authentication, encryption, least-privilege IAM and PII masking
Align audit retention and the data purge approach with GDPR/CCPA requirements
Required Skills & Competencies
Strong solution architecture experience on AWS: API Gateway, ECS/Fargate, SQS, EventBridge, Secrets Manager, IAM and KMS
Configuration management using AppConfig or DynamoDB; observability with CloudWatch and OpenTelemetry/ADOT or X-Ray; CI/CD and infrastructure-as-code design.
Proven design of API gateways or enterprise integration layers for high-volume transactional systems
Hands-on with Node.js/TypeScript or Java/Spring Boot microservices
Strong grasp of resilience patterns, idempotency and event-driven design
OpenAPI-first design and contract testing practices
Excellent stakeholder communication and technical leadership
Good-to-Have
Exposure to email service provider platforms; retail transactional email, ESB/middleware platforms
Fastify; Akamai WAF; Terraform or AWS CDK; OpenSearch/ELK-based operational search.
AWS Solutions Architect – Professional certification
12+ years of relevant software engineering experience with solution architecture and hands-on technical leadership.
B.E./B.Tech/MCA or equivalent
AWS architecture certification is desirable.
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Hi [Name], I just applied for the Solution Architect - AWS Integration & API Gateway role at Zensar Technologies. My background in [your most relevant experience] lines up well with what the team is looking for. Would you be open to a quick chat, or could you point me to the right person on the team? Thank you!
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