Full Stack Java Engineer, React

🔥 52 minutes ago

🤠 Texas – Remote

🤠 Texas – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

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Aperia

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2001

💳 Fintech

🏛️ Government

☁️ SaaS

Fintech • Government • SaaS

Aperia is a technology and services company that delivers cloud-native SaaS platforms, professional services, and managed engineering teams for complex, regulated environments. With more than 25 years of experience, Aperia focuses on fintech and payments, government and defense solutions, and logistics by providing intelligence-driven platforms for risk, compliance, onboarding, situational awareness, and operational resilience. The company also offers Software Development as a Service (SDaaS), managed resources, and customer intelligence/case management products to help organizations consolidate operations, improve decision-making, and scale securely.

📋 Description

• Design, create, maintain, and optimize applications using Spring Boot (MVC and WebFlux), React, and the Microsoft/Java tech stack where applicable. • Translate business requirements into functional, secure, and scalable solutions. • Build and maintain APIs (REST), integrate messaging queues, and implement async/event-driven patterns. • Manage DB schema design and migrations for MySQL/PostgreSQL; optimize queries and performance. • Participate in infrastructure-as-code efforts (Terraform or equivalent) and deploy to multi-environment AWS (ECS, Lambda, RDS, S3, SSM). • Secure APIs using OAuth2/Spring Security with JWT and policy-based authorization. • Maintain, upgrade, and refactor existing codebases to improve efficiency and performance. • Write and maintain unit and integration tests (JUnit, Mockito), and support CI/CD and observability (OpenTelemetry/distributed tracing). • Collaborate with product, QA, and distributed engineering teams; participate in Agile sprints and code reviews. • Ensure error-free code that follows best practices, design patterns, and security standards. • Mentor peers, investigate and resolve production issues, and support continual improvement.

🎯 Requirements

• Minimum 4 years hands-on experience with Java and Spring Boot (MVC and/or WebFlux/Reactor). • Strong experience with React, REST APIs, HTML5, CSS3, and Bootstrap-based responsive UI. • Solid experience with relational databases (MySQL, PostgreSQL): schema design, migrations, and performance tuning. • Experience with messaging systems (RabbitMQ, AWS SQS/SNS, or similar) and event-driven patterns. • Practical AWS experience (Lambda, ECS, S3, RDS, SSM). • Knowledge of OAuth2/Spring Security, JWT, and policy-based authorization. • Testing discipline with JUnit, Mockito, or similar frameworks. • Strong understanding of performance, security, best practices, and design patterns. • Experience with Web Services; familiarity with WCF or .NET is a plus but not required.

🏖️ Benefits

• Health insurance; Health savings account • Dental insurance; Vision insurance • 401(k) matching; Life insurance • Paid time off; Parental leave; Disability insurance • Childcare assistance; Education reimbursement • Fitness membership; Volunteer time off