Senior Full-Stack Java Engineer – FinTech, Remote

Aperiasolutions; Dallas (TX); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Health savings account

Dental insurance

Vision insurance

401(k) matching

Life insurance

Paid time off

Parental leave

Disability insurance

Education reimbursement

Fitness membership

Volunteer time off

Job summary

Aperia Solutions in Dallas, TX, is seeking a Senior Full Stack Developer to own design and delivery of secure, high‑performance payment systems, spanning Java/Spring Boot backend, React frontend, and cloud infrastructure.

You’ll collaborate with distributed teams, implement API security (OAuth2/JWT), manage DB migrations (MySQL/PostgreSQL), and drive IaC with Terraform on AWS, while mentoring peers and contributing to architecture and product improvements.

Qualifications

• Bachelor's degree or equivalent experience in computer science or related field.
• Minimum 4 years hands-on experience with Java and Spring Boot.
• Strong React frontend skills and REST API design experience.
• Relational databases design, migrations, and performance tuning.

Responsibilities

• Design, build, and maintain secure, high-performance payment systems.
• Own APIs, messaging queues, and async/event-driven patterns.
• Manage DB schema design and migrations (MySQL/PostgreSQL).
• Implement infrastructure-as-code and deploy to multi-environment AWS.
• Ensure API security with OAuth2/Spring Security and JWT.
• Write unit/integration tests and support CI/CD and observability.
• Mentor peers and contribute to architecture and product improvements.

Skills

Java

Spring Boot

React

REST APIs

AWS

Database design

OAuth2/JWT

CI/CD

Testing (JUnit/Mockito)

Terraform / IaC

Distributed tracing

Security best practices

Education

Bachelor's Degree in Computer Science or related field

Tools

Terraform

AWS

OpenTelemetry

RDBMS (MySQL/PostgreSQL)

Job description

Aperia Solutions in Dallas, TX, is seeking a Senior Full Stack Developer to own design and delivery of secure, high‑performance payment systems, spanning Java/Spring Boot backend, React frontend, and cloud infrastructure.

You’ll collaborate with distributed teams, implement API security (OAuth2/JWT), manage DB migrations (MySQL/PostgreSQL), and drive IaC with Terraform on AWS, while mentoring peers and contributing to architecture and product improvements.