AI Summary
Join Aperia Solutions as a Senior Full Stack Developer to design, build, and maintain secure, high-performance payment systems and integrations. This role offers technical ownership, a collaborative culture, and opportunities to shape product and architecture. Key requirements include strong Java/Spring Boot experience, React front-end skills, relational database expertise, and practical AWS and infrastructure-as-code exposure.
Key Highlights
Design, build, and maintain secure, high-performance payment systems and integrations
Strong Java/Spring Boot experience, React front-end skills, relational database expertise, and practical AWS and infrastructure-as-code exposure
Technical ownership, collaborative culture, and opportunities to shape product and architecture
Key Responsibilities
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
Technical Skills Required
Benefits & Perks
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
Nice to Have
Fintech/payments domain knowledge (ACH, NACHA, reconciliation, FBO models)
Terraform or equivalent IaC and multi-environment infrastructure management
Deep experience with reactive programming (Mono/Flux)
Observability experience: OpenTelemetry, distributed tracing, metrics, and logging
Hands-on experience with multi-tier/layer distributed applications
Comfortable working in Agile/Scrum environments and with distributed teams
Strong communication skills
Job Description
Summary Join Aperia Solutions, a fast-growing FinTech and managed consultancy building B2B accounts payable and payments platforms. You’ll join a mid-size, distributed team working across the full stack — from Terraform infrastructure to Spring Boot services to React interfaces and database migrations. Aperia serves banks, processors, payment facilitators, merchant service providers, ISOs, and government entities. This role offers technical ownership, a collaborative culture, and opportunities to shape product and architecture.
Job Description We’re seeking a Senior Full Stack Developer comfortable across backend, frontend, and cloud/infrastructure. You’ll design, build, and maintain secure, high-performance payment systems and integrations. The ideal candidate has strong Java/Spring Boot experience, React front-end skills, relational database expertise (MySQL/Postgres), messaging/event-driven architecture experience, and practical AWS and infrastructure-as-code exposure. Testing discipline, API security (OAuth2/JWT), and familiarity with distributed tracing are important.
Core Responsibilities
- 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.
- Work with Business Analysts and US-based stakeholders to clarify requirements.
- Propose technical approaches and detailed implementation plans.
- Implement daily tasks, investigate issues, and support team members to deliver high-quality work.
- Perform unit and cross testing; document results.
- Conduct technical research and internal training.
- Other duties as assigned.
Interested in remote work opportunities in Development & Programming? Discover Development & Programming Remote Jobs featuring exclusive positions from top companies that offer flexible work arrangements.
- 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.
- Fintech/payments domain knowledge (ACH, NACHA, reconciliation, FBO models).
- Terraform or equivalent IaC and multi-environment infrastructure management.
- Deep experience with reactive programming (Mono/Flux).
- Observability experience: OpenTelemetry, distributed tracing, metrics, and logging.
- Hands-on experience with multi-tier/layer distributed applications.
- Comfortable working in Agile/Scrum environments and with distributed teams.
- Strong communication skills.
Browse our curated collection of remote jobs across all categories and industries, featuring positions from top companies worldwide.
- Bachelor’s Degree in Computer Science, Information Systems, or related field (or equivalent experience).
- Must be willing to submit to a background investigation and drug test as part of the selection process.
- Full time
- Monday to Friday
- Remote
- 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
Similar Jobs
Explore other opportunities that match your interests
Visa Sponsorship
Relocation
Remote
Job Type
Full-time
Experience Level
Associate
attune
United State
Visa Sponsorship
Relocation
Remote
Job Type
Full-time
Experience Level
Not Applicable
Jobot
United State
Visa Sponsorship
Relocation
Remote
Job Type
Full-time
Experience Level
Not Applicable
talentpluto
United State