.NET API AWS Architect

Sensiple Inc.; Indianapolis (IN); On-site; USD 90,000 - 96,000; Full time

Job summary

Sensiple Inc. is seeking an experienced .NET API AWS Architect to design scalable, secure, high-performance applications using .NET and AWS in Indianapolis, IN.

The role requires strong API/microservices expertise and hands-on AWS provisioning, with a focus on reliability and cloud-native architectures. The position is a 6-month onsite contract, paying $65–$70 per hour on C2C, and demands 10+ years of experience.

Qualifications

• 10+ years of professional software architecture experience.
• Strong knowledge of C#, .NET Core, and Entity Framework.
• Experience designing RESTful APIs and microservices.
• Hands-on AWS experience including Lambda, SQS, and S3.
• Experience with PostgreSQL and cloud-native architectures.
• CI/CD pipelines with Jenkins or similar tools.
• Ability to design architecture diagrams using Lucidchart/Draw.io.

Responsibilities

• Design and develop RESTful APIs and microservices with C# and .NET Core.
• Build scalable cloud solutions using AWS services.
• Create HLD/LLD documents.
• Integrate apps with third-party systems and services.

Skills

C#

.NET Core

Entity Framework

REST API design

Microservices

AWS

PostgreSQL

CI/CD

Lucidchart/Draw.io

Distributed systems

Problem solving

Communication

Tools

Jenkins

Harness

AWS Lambda

SQS

EventBridge

S3

CloudWatch

Parameter Store

PostgreSQL

Lucidchart

Draw.io

Job description

Sensiple Inc is a New Jersey corporation with over two decades of expertise in technology-driven solutions specializing in Customer Experience, Contact Centre Solutions, Digital Transformation, Cloud Computing & Independent Testing.

With an expert team that has enriched experience in executing & developing sustainable IT strategies in Healthcare, Technology, Retail, Logistics, Education, Telecommunications, Government and Media, we help our diverse customers to envision the future. By developing highly scalable and consistent solutions, our primary goal is to deliver excellence at all levels and delight our customers and drive them to a better future.

One of our clients is looking for a .NET API AWS Architect @ Indianapolis, IN (5 Days Onsite) please find below the details of the position.

Job Title: .NET API AWS Architect
Location: Indianapolis, IN (5 Days Onsite)
Pay Rate: $65–$70/hr ON C2C
Duration: 6 Months
Experience: 10+ Years

Job Description

We are looking for an experienced .NET API AWS Architect to design and develop scalable, secure, and high-performance applications using .NET technologies and AWS cloud services. The ideal candidate should have strong experience in API architecture, microservices, cloud-native applications, and system integration.

Key Responsibilities

• Design and develop RESTful APIs and microservices using C# and .NET Core.


• Build and implement scalable cloud solutions using AWS services.


• Prepare High-Level Design (HLD) and Low-Level Design (LLD) documents.


• Integrate applications with third-party systems and external services.


• Design and develop serverless applications using AWS Lambda.


• Work with AWS SQS, EventBridge, S3, AWS Glue, CloudWatch, and Parameter Store.


• Design, optimize, and maintain PostgreSQL databases.


• Implement CI/CD pipelines using Jenkins, Harness, or similar tools.


• Apply Domain-Driven Design (DDD), microservices patterns, and monolithic decomposition strategies.


• Implement idempotency and fault-tolerance mechanisms to improve application reliability.


• Troubleshoot complex technical issues and ensure application performance.


• Use AI-assisted development tools such as Cursor or similar LLM-based tools.

Required Skills

• Strong experience in C#, .NET Core, and Entity Framework.


• Expertise in REST API design and microservices architecture.


• Hands-on experience with AWS Lambda and other AWS services.


• Experience with PostgreSQL database design and query optimization.


• Knowledge of Jenkins, Harness, or similar CI/CD tools.


• Experience preparing architecture documents and technical diagrams using Lucidchart, Draw.io, or similar tools.


• Strong understanding of distributed systems, system integration, and cloud-native architecture.


• Excellent problem-solving and communication skills.

Preferred Qualifications

• Experience with Domain-Driven Design (DDD).


• Knowledge of idempotency, resiliency, and fault-tolerant application design.


• Experience with AI coding assistants and LLM-based development tools.


• Ability to work independently and collaborate with business teams and external stakeholders.

Work Location Requirement

This is a fully onsite position in Indianapolis, Indiana. Candidates must be comfortable working from the office five days per week.