Senior Java Full Stack Developer

Tech3pillars Technologies; Town of Florida (NY); On-site; USD 140,000 - 180,000; Full time

Job summary

Tech3pillars Technologies in Lake Mary, FL seeks a Senior Java Full Stack Developer to lead design, development and deployment of enterprise payment applications, focusing on scalability, security, and performance.

The role requires hands-on development, technical leadership, and collaboration with cross-functional teams in an Agile environment; a long-term on-site position with opportunities to shape payments modernization.

Qualifications

• 10+ years of experience with Java, Spring Boot, Microservices, Angular, TypeScript, and REST APIs.
• Hands-on experience with Kafka, Oracle/PostgreSQL, Docker, Kubernetes, Git and Jenkins.
• Experience with cloud platforms (AWS, Azure, or GCP) and payments domain.
• Strong Agile leadership and collaboration with stakeholders.

Responsibilities

• Design, develop, and deploy enterprise payment applications using Java, Spring Boot, Angular, and Microservices.
• Build secure REST APIs and event-driven solutions using Kafka.
• Lead technical design discussions, code reviews, and mentor development teams.
• Collaborate with business, product, architecture, and DevOps teams to deliver payment modernization initiatives.
• Ensure application performance, scalability, security, and high availability.
• Support CI/CD pipelines, cloud deployments, and DevOps best practices.

Skills

Java

Spring Boot

Microservices

Angular

TypeScript

REST APIs

Tools

Kafka

Docker

Kubernetes

Git

Jenkins

Oracle

PostgreSQL

AWS

Azure

GCP

Job description

Job Title: Senior Java Full Stack Developer

Location: Lake Mary, FL

Contract: Long Term

Job Description

We are seeking an experienced Senior Java Full Stack Developer with expertise in Java, Spring Boot, Microservices, Angular, and Payments Domain. The ideal candidate will lead the design, development, and deployment of enterprise payment applications while ensuring scalability, security, and high performance. This role requires strong technical leadership, hands‑on development experience, and the ability to work with cross‑functional teams in an Agile environment.

Key Responsibilities

• Design, develop, and deploy enterprise payment applications using Java, Spring Boot, Angular, and Microservices.
• Build secure REST APIs and event-driven solutions using Kafka.
• Lead technical design discussions, code reviews, and mentor development teams.
• Collaborate with business, product, architecture, and DevOps teams to deliver payment modernization initiatives.
• Ensure application performance, scalability, security, and high availability.
• Support CI/CD pipelines, cloud deployments, and DevOps best practices.

Required Skills

• 10+ years of experience with Java, Spring Boot, Microservices, Angular, TypeScript, and REST APIs.
• Strong experience in the Payments Domain (ACH, Wire, SWIFT, RTP, ISO 20022, Card Payments, Merchant Payments).
• Hands‑on experience with Kafka, Oracle/PostgreSQL, Docker, Kubernetes, Git, and Jenkins.
• Experience with cloud platforms (AWS, Azure, or GCP).
• Strong understanding of payment security, compliance, and transaction processing.
• Experience leading Agile teams and collaborating with business stakeholders.