Java Backend Architect

About US: We are a company that provides innovative, transformative IT services and solutions. We are passionate about helping our clients achieve their goals and exceed their expectations. We strive to provide the best possible experience for our clients and employees. We are committed to continuous improvement and innovation, and we are always looking for ways to improve our services and solutions. We believe in working collaboratively with our clients and employees to achieve success.

DS Technologies Inc is looking for Java Backend Architect role for one of our premier clients.

Job Title: Java Backend Architect Location: Onsite – New York, NY Position Type: Full-Time / Contract Only W2

Position Overview:

We are seeking a highly skilled Java Backend Architect to design and lead the architecture of enterprise-grade backend systems and API-driven integrations. The ideal candidate will have strong expertise in Java-based microservices, third-party system integrations, API security, and database architecture & design. This role requires strategic technical leadership and hands-on development capabilities to ensure scalability, performance, and reliability across distributed systems.

Key Responsibilities:

Architecture & Design

Define, design, and implement Java backend architecture for large-scale, distributed enterprise applications.

Lead API strategy and integration design with multiple third-party platforms and internal systems.

Architect and optimize database models, schemas, and query performance for both SQL and NoSQL environments.

Ensure alignment of architecture decisions with business and technical objectives, scalability, and performance goals.

Define standards for RESTful API design, endpoint security, data access patterns, and error handling.

Technical Leadership

Provide architectural guidance to development teams, ensuring adherence to best practices and design principles.

Review code, conduct design reviews, and mentor developers to ensure high-quality deliverables.

Collaborate with cross-functional teams (DevOps, QA, Security, Product Management) to ensure seamless solution delivery.

Drive the adoption of modern frameworks, libraries, and tools to improve code efficiency and maintainability.

Integration & Security

Design and implement secure REST APIs for internal and external integrations, ensuring compliance with organizational and regulatory standards.

Manage authentication and authorization mechanisms (OAuth2, JWT, SAML) and ensure endpoint protection.

Integrate external APIs and third-party services (payments, analytics, identity, etc.) with robust error handling and monitoring.

Partner with InfoSec teams to address application security, vulnerability management, and data protection.

Performance & Reliability

Lead performance optimization efforts for backend systems, focusing on latency, throughput, and scalability.

Establish observability, monitoring, and logging practices for all backend services.

Define standards for high availability (HA), disaster recovery (DR), and load balancing across application tiers.

Required Skills & Qualifications:

10+ years of experience in Java backend development, including 5+ years in architecture and solution design.

Deep expertise in Java 8+, Spring Boot, Spring Cloud, and microservices architecture.

Strong hands-on experience with REST API design, integration frameworks, and 3rd party API consumption.

Solid understanding of database design principles, SQL performance tuning, and ORM tools (Hibernate/JPA).

Knowledge of cloud platforms (AWS, Azure, or GCP) and container orchestration (Docker, Kubernetes).

Strong knowledge of API security protocols – OAuth2, JWT, SAML, and SSL/TLS.

Familiarity with CI/CD pipelines, Git, Maven/Gradle, and API documentation tools (Swagger/OpenAPI).

Excellent analytical, problem-solving, and communication skills with the ability to collaborate effectively across teams.

Preferred Qualifications:

Experience with API Gateway solutions (Apigee, Kong, AWS API Gateway).

Exposure to event-driven architecture (Kafka, RabbitMQ).

Knowledge of DevSecOps practices and secure software development lifecycle.

Prior experience in financial services, retail, or enterprise digital transformation domains.