Software Developer

Yoh, A Day & Zimmermann Company; Town of Texas (WI); On-site; USD 84,000 - 120,000; Full time

Benefits offered by this job

Health benefits

HSA

Life & disability

Voluntary benefits

EAP

401K

Direct deposit

Referral bonuses

Training opportunities

Job summary

Yoh, a Day & Zimmermann Company, designs, develops, and tests new features across web and mobile apps using Flutter, Dart, C#, ASP.NET, and AWS. The team collaborates with QA, Product Management, and Customer Care to enhance existing software and integrate RESTful APIs while ensuring secure authentication and scalable architectures.

The role emphasizes serverless AWS workloads, CI/CD for mobile, and ongoing code quality through reviews, testing, and performance optimization.

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 Flutter and Dart.
• Experience building and deploying serverless applications on AWS, especially Lambda.
• Familiarity with AWS services (API Gateway, DynamoDB, S3, IAM, CloudWatch) and Flutter state management.

Responsibilities

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

Skills

Flutter & Dart

AWS Lambda

REST API integration

C# / ASP.NET MVC

SQL Server

State management (Provider/Riverpod/BL

Education

Bachelor’s or Associate degree in Computer Science/Information Systems or related field

Tools

AWS services (API Gateway, DynamoDB, S3, IAM, CloudWatch)

Job description

GENERAL DESCRIPTION:

Designs, develops, and tests new features and enhancements across web and mobile applications, contributing to technical design decisions and architecture. Utilizes technologies such as C#, ASP.NET MVC, Flutter, Web API, SQL Server, and AWS services to deliver scalable, high-quality solutions.

Collaborates with QA, Product Management, and Customer Care teams to support and enhance existing applications, troubleshoot issues, and implement effective solutions. Plays an active role in API development and integration, with a strong emphasis on leveraging AWS-based services and architectures.

ESSENTIAL DUTIES AND 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.

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.

Estimated Min Rate: $84000.00
Estimated Max Rate: $120000.00


Whats In It for You?We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yohs network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yohs extensive talent community that will provide you with access to Yohs vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include:

• Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)
• Health Savings Account (HSA) (for employees working 20+ hours per week)
• Life & Disability Insurance (for employees working 20+ hours per week)
• MetLife Voluntary Benefits
• Employee Assistance Program (EAP)
• 401K Retirement Savings Plan
• Direct Deposit & weekly epayroll
• Referral Bonus Programs
• Certification and training opportunities

Note: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.

Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Visit https://www.yoh.com/applicants-with-disabilities to contact us if you are an individual with a disability and require accommodation in the application process.

For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Fraudulent recruiting communications have become increasingly common. If you receive a communication that appears suspicious or requests payment, contact Yoh directly before responding or sharing personal information.