Principal Full Stack Engineer (Java, AWS, Postgres) Dallas, TX Onsite

Yoh Services LLC; Roanoke (VA); On-site; USD 77,000 - 110,000; Full time

Benefits offered by this job

Medical, Dental & Vision Benefits

401K Retirement Savings Plan

Direct Deposit & weekly epayroll

Certification and training programs

Job summary

Yoh is seeking a Principal Full Stack Engineer in Dallas, TX, onsite, to design, develop, and maintain scalable backend systems and APIs using Java frameworks. You will lead migration and new development with a focus on async programming and high-throughput systems, while shaping a microservices architecture on AWS and PostgreSQL data models.

The role requires 8+ years of software development, 3–5 years in technical leadership, strong Java and REST API expertise, and hands-on cloud experience.

Qualifications

• 8+ years of professional software development experience.

Responsibilities

• Design, develop, and maintain scalable backend systems and APIs using Java frameworks like Spring Boot or Micronaut.

Skills

Java development

REST APIs

microservices architecture

PostgreSQL data modeling

AWS cloud environment

Kafka

async programming

distributed systems design

testing (JUnit, mocking, BDD)

communication & teamwork

Tools

Spring Boot

Micronaut

Job description

Principal Full Stack Engineer (Java, AWS, Postgres) Dallas, TX Onsite

Key Responsibilities

• Design, develop, and maintain scalable backend systems and APIs using Java frameworks like Spring Boot or Micronaut.
• Lead migration and new application development of Java-based solutions, with a focus on async programming and high-throughput systems.
• Build and support microservices architecture aligned with microservices best practices.
• Create and optimize relational database models and data pipelines using PostgreSQL.
• Implement robust RESTful APIs, ensuring seamless integration with other systems.
• Apply your cloud expertise by deploying, scaling, and supporting solutions on AWS.
• Support key data and analytics initiatives, including data integration and Snowflake-related projects.
• Collaborate in Agile teams, providing technical guidance and engaging in design discussions.
• Diagnose, troubleshoot, and resolve issues across development, testing, and production environments.

Must-Have Requirements

• 8+ years of professional software development experience, including 3–5 years in technical leadership.
• Proven expertise in Java development, REST APIs, and microservices architecture.
• Strong PostgreSQL experience with data modeling and engineering skills.
• Hands‑on experience with AWS cloud environment.
• Recent experience working with Kafka and async programming in Java.
• Solid understanding of distributed systems, API design, and service integration.
• Experience with automated testing (JUnit, mocking, BDD).
• Excellent communication skills and ability to collaborate in a team setting.

Nice‑to‑Have Skills

• Familiarity with Generative AI tools like GitHub Copilot.
• Experience with DevOps practices, CI/CD pipelines, and automation.
• Background in financial services industry.

Estimated Min Rate: $56.00

Estimated Max Rate: $80.00

What’s In It for You?

We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh’s network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh’s extensive talent community that will provide you with access to Yoh’s 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.

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