Responsibilities
- Design, build, maintain, and optimize applications using Spring Boot, React, and the Microsoft/Java technology stack where applicable
- Translate business requirements into secure, scalable, and functional technical solutions
- Build and maintain REST APIs, integrate messaging queues, and implement asynchronous and event-driven patterns
- Design database schemas and migrations for MySQL and PostgreSQL while optimizing queries and performance
- Support infrastructure-as-code efforts and deploy applications to multi-environment AWS infrastructure
- Secure APIs using OAuth2, Spring Security, JWT, and policy-based authorization
- Maintain, upgrade, and refactor existing codebases to improve efficiency and performance
- Write and maintain unit and integration tests and support CI/CD and observability efforts
- Collaborate with product, QA, business analysts, US-based stakeholders, and distributed engineering teams
- Propose technical approaches, create implementation plans, investigate production issues, and resolve defects
- Mentor peers, conduct technical research and internal training, document test results, and participate in code reviews and Agile sprints
Requirements
- At least 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 user interfaces
- Experience with MySQL and PostgreSQL schema design, migrations, query optimization, and performance tuning
- Experience with messaging systems such as RabbitMQ, AWS SQS, AWS SNS, or similar, plus event-driven patterns
- Practical experience with AWS Lambda, ECS, S3, RDS, and SSM
- Knowledge of OAuth2, Spring Security, JWT, and policy-based authorization
- Experience writing unit and integration tests using JUnit, Mockito, or similar frameworks
- Bachelor’s degree in Computer Science, Information Systems, or a related field, or equivalent experience
- Experience with web services; WCF or .NET familiarity is a plus
- Fintech or payments domain knowledge, including ACH, NACHA, reconciliation, or FBO models, is desirable
- Terraform or equivalent infrastructure-as-code experience and multi-environment infrastructure management are desirable
- Reactive programming experience with Mono/Flux, OpenTelemetry, distributed tracing, metrics, logging, and multi-tier distributed applications are desirable
Benefits
- Full salary during probation and complete social insurance coverage
- Comprehensive health insurance for employees and eligible family members
- Monthly childcare support
- 15 days of annual leave, 6 weeks of paternity leave, and 10 days of bereavement leave
- Football, billiards, badminton, and e-sports clubs
- Full-time, Monday-Friday schedule
- Remote work for employees living in Vietnam
Tech Stack
Categories
About Aperia
Your success is our objective. We have more than a decade of service providing business intelligence solutions and applying extensive experience and knowledge to your business requirements. From its roots in the finance, banking, and the payments industry, Aperia expanded to become the preeminent provider of ETL, BI, and hosted solutions in a variety of industries. Aperia platforms scale with industry, processing massive volumes on time. The Software as a Service (SaaS) platforms support millions of end users creating billions of transactions per day, all with the speed and reliability required for business. The company’s management combines more than a century in finance, business consulting, rapid growth, and governance, as well as business intelligence, the company’s core function. Aperia knows that data holds power and providing the precision tools to release that power from data in any format is our passion, skill, and talent.