Senior Java Developer (IR-551)

Intellectsoft; Spain (TX); On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Impactful projects

Udemy courses

Team events

Career path

Flexible hours

Work from anywhere

Job summary

Intellectsoft, a software development partner delivering innovative solutions since 2007, is seeking a Senior Java Developer to lead backend engineering for an ERP platform in healthcare tech.

You will design scalable RESTful services with Java 11/17+, Spring ecosystem, and robust data storage, while guiding architectural decisions, testing, and CI/CD integration. The role focuses on reliability, performance, and secure data handling.

Qualifications

• 5+ years of backend Java development experience.
• Expertise in Spring Boot 3, Spring Data JPA, Spring Security & Spring Web.
• Strong SQL skills with PostgreSQL or MySQL.
• Experience designing RESTful APIs and OAuth2/JWT security.
• Microservices, DDD concepts, and transactional state management.
• JUnit/Mockito testing and Docker/CI/CD pipelines.

Responsibilities

• Architect, implement, and maintain scalable backend architecture and RESTful APIs using Java and Spring.
• Engineer reliable backend services to manage multi-step business logic and event-driven notifications.
• Design secure interfaces to connect internal modules with external systems in health data contexts.
• Optimize relational database schemas and query performance.
• Enforce best practices through code reviews, automated testing, and mentoring.

Skills

Java Backend Development

Spring Framework

RESTful API Design

OAuth2/JWT Security

Microservices Architecture

Testing (JUnit/Mockito)

Tools

Docker

CI/CD

PostgreSQL

MySQL

Kafka

RabbitMQ

AWS

Elasticsearch

Redis

Job description

Intellectsoft is a software development company delivering innovative solutions since 2007. We operate across North America, Latin America, the Nordic region, the UK, and Europe.We specialize in industries like Fintech, Healthcare, EdTech, Construction, Hospitality, and more, partnering with startups, mid-sized businesses, and Fortune 500 companies to drive innovation and scalability. Our clients include Jaguar Motors, Universal Pictures, Harley-Davidson, and many more where our teams are making daily impactTogether, our team delivers solutions that make a difference. Learn more at www.intellectsoft.net/

We are developing a modern ERP platform designed to digitize end-to-end communication and operational workflows across the dental healthcare sector. The solution connects clinical practices with specialized service providers, streamlining order tracking, custom product fulfillment, and secure digital asset exchange.

As a Senior Java Developer, you will lead backend engineering efforts to build scalable, high-availability services that manage dynamic workflow states, business-critical integrations, and high-volume transaction data.

Requirements

• 5+ Years of Experience: Solid background in core backend software development using Java (11/17+).
• Spring Ecosystem Expertise: In-depth knowledge of Spring Boot 3, Spring Data JPA, Spring Security, and Spring Web.
• Relational Databases: Strong relational data modeling and SQL performance tuning skills (PostgreSQL or MySQL).
• API Design & Security: Proven ability to build RESTful APIs, manage OAuth2/JWT authentication, and design clean interface contracts.
• Architectural Foundations: Experience with microservices, domain-driven design concepts, and transactional state management.
• Testing & CI/CD: Proficiency with automated testing frameworks (JUnit, Mockito) and containerization tools (Docker, CI/CD pipelines).

Nice-to-have:

• Healthcare / MedTech Exposure: General familiarity with health-tech software requirements, data privacy standards, or digital medical record workflows.
• Asynchronous Messaging: Experience with event streaming platforms like Kafka or RabbitMQ for asynchronous processing.
• Cloud & Large File Management: Familiarity with AWS/GCP.
• Caching & Search: Hands-on experience with Redis, Elasticsearch, or distributed caching systems.
• Monitoring & Observability: Exposure to Prometheus, Grafana, or central logging tools (ELK stack) for microservice monitoring.

Responsibilities:

• Backend Architecture: Architect, implement, and maintain scalable architecture and RESTful APIs using Java and Spring.
• Workflow Engine Design: Engineer reliable backend services to manage multi-step business logic, status lifecycles, and event-driven notifications.
• Integration & Security: Design secure interfaces to connect internal modules with external systems, ensuring strict adherence to healthcare data privacy principles.
• Performance & Data Storage: Optimize relational database schemas and query performance.
• Code Quality & Leadership: Enforce software engineering best practices through code reviews, automated testing (unit/integration), and technical mentoring.

Benefits

• Awesome projects with an impact

• Udemy courses of your choice
• Team-buildings, events, marathons & charity activities to connect and recharge
• Workshops, trainings, expert knowledge-sharing that keep you growing
• Clear career path
• Absence days for work-life balance
• Flexible hours & work setup - work from anywhere and organize your day your way