Senior Full Stack Java Engineer

SmartRecruiters, Inc.; United States; On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Health insurance

Language courses

Relocation program

Job summary

Miratech is seeking a Full Stack Engineer to design, develop, and support scalable cloud-native applications powering Workforce Management, CX, and operational processes. You will use Java and Spring Boot for backend services, React with TypeScript for frontend, and Node.js where appropriate for supporting components.

The role requires hands-on development across the stack, with experience in WFM/CX or contact center solutions considered an advantage.

Qualifications

• 5+ years of full-stack software development experience, including ownership of production applications.
• Strong hands-on experience with Java and Spring technologies, particularly Spring Boot, REST services, persistence, security, and automated testing.
• Solid frontend development experience with Angular or React, TypeScript, HTML, CSS, component-based design, state management, and modern testing practices.
• Familiarity with Node.js for lightweight services, integrations, build tooling, or supporting components.
• Proven experience designing REST APIs, microservices, and maintainable applications in distributed environments.
• Strong SQL skills and experience designing efficient data models in PostgreSQL or comparable relational databases.
• Experience developing, deploying, or supporting cloud-based and containerized applications.
• Excellent communication skills, including the ability to produce clear technical documentation and lead client-facing workshops.
• Knowledge of OAuth2, OpenID Connect, JWT, and secure API design.
• Experience with Kafka, RabbitMQ, or comparable messaging and event-streaming technologies.
• Familiarity with Kubernetes, cloud platforms, observability tooling, and secure software delivery practices.

Responsibilities

• Design, develop, test, and maintain scalable backend services using Java, Spring Boot, and established software engineering practices.
• Build modern web applications using React, TypeScript, reusable components, responsive layouts, and accessible interaction patterns.
• Develop and consume REST APIs using an API-first approach; maintain clear OpenAPI/Swagger contracts and error handling.
• Design modular, maintainable solutions using microservices and appropriate object-oriented and event-driven design patterns.
• Use Node.js where appropriate for lightweight services, backend-for-frontend components, integrations, or development tooling.
• Design and optimize PostgreSQL data models and queries with attention to integrity, performance, and audit history.
• Design and implement reliable integrations with internal and external systems using REST APIs, webhooks, messaging, and other appropriate integration patterns.
• Containerize applications and contribute to cloud-based deployment patterns, configuration management, and environment consistency.
• Build and maintain Jenkins-based CI/CD pipelines with automated testing, quality gates, and repeatable deployments.
• Instrument applications with structured logging, metrics, tracing, and actionable error reporting.
• Troubleshoot functional and production issues and improve application performance, resilience, scalability, and maintainability.
• Collaborate with Product, UX, QA, DevOps, Architecture, and other engineers through design sessions, code reviews, planning, and continuous improvement.

Skills

Java

Spring Framework

Spring Boot

REST APIs

SQL

PostgreSQL

React

TypeScript

HTML

CSS

Automated testing

Security

Node.js

Kafka

RabbitMQ

Kubernetes

CI/CD

Jenkins

OpenAPI/Swagger

Tools

OpenAPI/Swagger

PostgreSQL

Docker

Job description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization, and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description

We are looking for a Full Stack Engineer to design, develop, and support scalable cloud-native applications that power Workforce Management (WFM), Customer Experience (CX), and operational business processes. You will use Java and Spring Boot to develop scalable backend services, React with TypeScript to create responsive user experiences, and Node.js where appropriate for supporting components. The role suits a hands-on engineer with strong software development fundamentals who can take features from technical design through implementation, testing, deployment, and production support. Experience with Workforce Management (WFM), Customer Experience (CX), or contact center solutions is an advantage

Responsibilities:

• Design, develop, test, and maintain scalable backend services using Java, Spring Boot, and established software engineering practices.
• Build modern web applications using React, TypeScript, reusable components, responsive layouts, and accessible interaction patterns.
• Develop and consume REST APIs using an API-first approach; maintain clear OpenAPI/Swagger contracts and error handling.
• Design modular, maintainable solutions using microservices and appropriate object-oriented and event-driven design patterns.
• Use Node.js where appropriate for lightweight services, backend-for-frontend components, integrations, or development tooling.
• Design and optimize PostgreSQL data models and queries with attention to integrity, performance, and audit history.
• Design and implement reliable integrations with internal and external systems using REST APIs, webhooks, messaging, and other appropriate integration patterns.
• Containerize applications and contribute to cloud-based deployment patterns, configuration management, and environment consistency.
• Build and maintain Jenkins-based CI/CD pipelines with automated testing, quality gates, and repeatable deployments.
• Instrument applications with structured logging, metrics, tracing, and actionable error reporting.
• Troubleshoot functional and production issues and improve application performance, resilience, scalability, and maintainability.
• Collaborate with Product, UX, QA, DevOps, Architecture, and other engineers through design sessions, code reviews, planning, and continuous improvement.

Qualifications

• 5+ years of full-stack software development experience, including ownership of production applications.
• Strong hands-on experience with Java and Spring technologies, particularly Spring Boot, REST services, persistence, security, and automated testing.
• Solid frontend development experience with Angular or React, TypeScript, HTML, CSS, component-based design, state management, and modern testing practices.
• Familiarity with Node.js for lightweight services, integrations, build tooling, or supporting components.
• Proven experience designing REST APIs, microservices, and maintainable applications in distributed environments.
• Strong SQL skills and experience designing efficient data models in PostgreSQL or comparable relational databases.
• Experience developing, deploying, or supporting cloud-based and containerized applications.
• Excellent communication skills, including the ability to produce clear technical documentation and lead client-facing workshops.
• Knowledge of OAuth2, OpenID Connect, JWT, and secure API design.
• Experience with Kafka, RabbitMQ, or comparable messaging and event-streaming technologies.
• Familiarity with Kubernetes, cloud platforms, observability tooling, and secure software delivery practices.

Nice to have:

• Experience developing Workforce Management (WFM) applications or integrating with WFM platforms.
• Experience with AWS services and Amazon Connect
• Experience building applications for CX solutions, contact centers, or customer service environments, including voice infrastructure or integrations using FreeSWITCH, Kamailio, Twilio, or comparable communications platforms.
• Knowledge of forecasting, scheduling, adherence, routing, agent desktop, digital channels, or related operational concepts.
• Experience integrating applications with CRM, identity, HR, payroll, analytics, or other enterprise systems.
• Practical experience with AI-assisted software development or AI-enabled solutions, including tools such as Claude or GitHub Copilot, is a plus.

Additional Information

We offer:

• Culture of Relentless Performance: join an unstoppable technology development team with a 99% project success rate and more than 30% year-over-year revenue growth.
• Competitive Pay and Benefits: enjoy a comprehensive compensation and benefits package, including health insurance, language courses, and a relocation program.
• Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.
• Global Impact: collaborate on impactful projects for top global clients and shape the future of industries.
• Welcoming Multicultural Environment: be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team-building company social events.
• Social Sustainability Values: join oursustainable business practicesfocused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.

* Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.