Mobile Developer — Flutter + AWS (Hybrid, Irving)

YOH Services LLC; Plano (TX); Hybrid; USD 84,000 - 120,000; Full time

Benefits offered by this job

Medical, Prescription, Dental & Vision

Health Savings Account (HSA)

Life & Disability Insurance

MetLife Voluntary Benefits

Employee Assistance Program (EAP)

401K Retirement Savings Plan

Direct Deposit & weekly epayroll

Referral Bonus Programs

Certification and training

Job summary

Yoh Services LLC is seeking an experienced .NET/Flutter/AWS Mobile Developer for a direct-hire, hybrid role in Irving, TX. You will design, develop, and test features across web and mobile apps using C#, ASP.NET MVC, Flutter, and AWS, delivering scalable solutions.

Collaborate with QA, product management, and customer care to support existing apps, implement serverless backends with Lambda, API Gateway, S3, and integrate REST APIs while applying proper authentication and CI/CD practices.

Qualifications

• Bachelor's or Associate degree in Computer Science, Information Systems, or related field (or equivalent work experience).
• 3+ years of professional mobile development experience, with hands‑on Flutter and Dart expertise.
• Proven experience building and deploying serverless applications on AWS, especially Lambda.
• Working knowledge of AWS services such as API Gateway, DynamoDB, S3, IAM, and CloudWatch.
• Strong understanding of state management patterns in Flutter (e.g., Provider, Riverpod, Bloc).
• Experience integrating REST APIs and handling asynchronous data flows.
• Experience developing applications using C#, ASP.NET, MVC, and SQL Server.
• Familiarity with mobile CI/CD, app store submission, and release management.
• Solid grasp of software engineering fundamentals, testing, and version control (Git).
• Strong communication skills and the ability to work in a collaborative, agile environment.

Responsibilities

• Design, develop, and maintain cross-platform mobile applications using Flutter and Dart.
• Build and integrate serverless backend services using services like AWS Lambda, API Gateway, and S3.
• Collaborate with product owner to translate UI/UX designs into responsive, pixel-accurate interfaces.
• Consume and integrate RESTful APIs and handle offline-first and caching scenarios.
• Implement authentication and authorization flows (e.g., OAuth/OIDC).
• Write clean, testable, well-documented code and participate in code reviews.
• Optimize application performance, responsiveness, and memory usage across devices.
• Manage app store releases and CI/CD pipelines for mobile builds.
• Troubleshoot, debug, and resolve production issues across the mobile and serverless stack.
• Stay current with Flutter, Dart, and AWS best practices and bring improvements to the team.

Skills

Flutter

Dart

REST APIs

Agile

Communication

Education

Bachelor's degree in CS or related field

Tools

AWS Lambda

API Gateway

S3

DynamoDB

IAM

CloudWatch

C#

ASP.NET

MVC

SQL Server

Git

CI/CD

Job description

Yoh Services LLC is seeking an experienced .NET/Flutter/AWS Mobile Developer for a direct-hire, hybrid role in Irving, TX. You will design, develop, and test features across web and mobile apps using C#, ASP.NET MVC, Flutter, and AWS, delivering scalable solutions.

Collaborate with QA, product management, and customer care to support existing apps, implement serverless backends with Lambda, API Gateway, S3, and integrate REST APIs while applying proper authentication and CI/CD practices.