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Senior Full Stack Engineer (Java/React)

10 hours, 52 minutes ago
Vietnam
Full-time
Senior
Full-stack Engineer
Software Development
Agile AWS Bootstrap CI/CD CSS Flux HTML Java JUnit JWT Mockito MySQL .NET OAuth OpenTelemetry PostgreSQL RabbitMQ React REST API Scrum Spring Boot Terraform
Apply Now
Aperia

Aperia

Aperia delivers cutting-edge FinTech solutions, including a preeminent SaaS platform for payments, empowering merchants to boost compliance and optimize operations.

Diversified Financial Services
251-1K
Founded 2001
View All Jobs

Description

  • Design, build, maintain, and optimize applications using Spring Boot, React, and related Java technologies.
  • Translate business requirements into secure, scalable technical solutions.
  • Develop and maintain REST APIs, messaging integrations, and event-driven workflows.
  • Manage database schema design, migrations, query optimization, and performance tuning for MySQL and PostgreSQL.
  • Participate in infrastructure-as-code and deploy services across AWS environments.
  • Secure APIs using OAuth2, Spring Security, JWT, and policy-based authorization.
  • Write and maintain unit and integration tests and support CI/CD and observability practices.
  • Collaborate with product, QA, business analysts, and distributed engineering teams in Agile delivery.
  • Mentor peers, investigate production issues, and support continuous improvement.
  • Perform technical research, internal training, and implementation planning as needed.

Requirements

  • Minimum 6 years of hands-on experience with Java and Spring Boot, including MVC and/or WebFlux/Reactor.
  • Strong experience with React, REST APIs, HTML5, CSS3, and Bootstrap-based responsive UI.
  • Solid experience with relational databases such as MySQL and PostgreSQL, including schema design, migrations, and performance tuning.
  • Experience with messaging systems such as RabbitMQ, AWS SQS/SNS, or similar event-driven patterns.
  • Practical AWS experience with services such as Lambda, ECS, S3, RDS, and SSM.
  • Knowledge of OAuth2, Spring Security, JWT, and policy-based authorization.
  • Testing experience with JUnit, Mockito, or similar frameworks.
  • Understanding of performance, security, best practices, and design patterns.
  • Experience with web services; WCF or .NET familiarity is a plus.
  • Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent experience.
  • Preferred: fintech/payments domain knowledge such as ACH, NACHA, reconciliation, and FBO models.
  • Preferred: Terraform or equivalent infrastructure-as-code and multi-environment infrastructure management.
  • Preferred: Experience with reactive programming using Mono/Flux.
  • Preferred: Observability experience with OpenTelemetry, distributed tracing, metrics, and logging.
  • Preferred: Comfortable working in Agile/Scrum environments and with distributed teams.
  • Preferred: Strong communication skills.

Benefits

  • Competitive salary package.
  • Full salary during probation plus complete social insurance coverage.
  • Premium health insurance for the employee and covered family members.
  • Monthly childcare support.
  • 15 days of annual leave.
  • 6 weeks of paternity leave.
  • 10 days of bereavement leave.
  • Access to company clubs and activities such as football, billiards, badminton, and e-sports.

Interested in this position?

Apply directly on the company website

Apply Now

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