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Technology and Engineering

Java Developer- Senior Associate- Technology

  • Job ID: 2026-166060
  • Calea Aradului 11 - Calea Aradului 11 Timisoara, 300088 Romania
  • Full-time

Job Description

Tremend is looking for a Senior Java Developer to join our team of bright thinkers and doers. You’ll use your problem-solving creativity to tackle our clients’ most complex and challenging problems across various industries. We are on a mission to transform the world, and you will play a key role in shaping how we do it through your ideas, insights, and solutions.
 
Responsibilities
  • Design, develop, test, and maintain Java-based applications and services
  • Build scalable, secure, and high-availability systems using modern Java frameworks
  • Lead technical design discussions and contribute to architecture decisions
  • Interact with stakeholders and deliver technical presentations
  • Write clean, maintainable, and well-tested code (unit, integration, and automated tests)
  • Optimize application performance, reliability, and security
  • Review code and mentor junior and mid-level engineers
  • Collaborate with product managers, QA, DevOps, and other stakeholders
  • Participate in agile ceremonies (planning, stand-ups, retrospectives)
  • Provide root cause analysis for complex production issues

Skills & Experience

  • 7+ years of experience as a Java Developer
  • Strong hands-on experience with Spring Boot and the Spring Framework
  • Solid knowledge of microservices architecture (service discovery, circuit breaker, containerization, centralized logging)
  • Experience working with legacy applications and modernization initiatives
  • Proven experience upgrading applications from Java 11 to newer versions (preferably Java 17 or Java 21)
  • Experience in the payments domain
  • Experience with cloud platforms (Azure, AWS, or GCP)
  • Experience developing and integrating web services (REST, SOAP)
  • Experience with persistence frameworks (Hibernate, JPA)
  • Strong SQL knowledge (Oracle, PostgreSQL, or MySQL)
  • Knowledge of NoSQL databases (MongoDB, Cassandra)
  • Experience with messaging systems (JMS, Kafka, RabbitMQ)
  • Experience with build & CI/CD tools (Maven, Gradle, Jenkins, GitLab, Docker, etc.)
  • Experience with automated testing (JUnit, Mockito, Testcontainers, integration and end-to-end testing)
  • Fluency in English

Nice to have

  • Knowledge of modern JavaScript frameworks (Angular, React, Vue.js)
  • Kubernetes (K8s) knowledge
  • Experience with contract testing and TDD
  • Familiarity with CI/CD pipelines and DevOps practices (GitHub Actions, Jenkins, GitLab CI, etc.)
  • Experience with infrastructure-as-code tools (Terraform, CloudFormation)

Additional Information

Besides an exciting job in a tremendous team, here s what you can expect: 

  • A fast-paced tech environment 
  • Continuous growth & learning 
  • Open feedback culture 
  • Room for own initiative & ideas 
  • Transparency about results & strategy 
  • Recognition & reward for hard work 
  • Working with a flexible schedule  
  • Medical subscription 
  • Meal tickets 
  • 25 vacation days 
  • Many others perks

Company Description

Tremend is the newest global software engineering hub for Publicis Sapient. For over 20 years, the company has been infusing its advanced technical expertise into complex and innovative solutions that meet today s digital transformation needs and pave the way for a better and smarter future. By joining forces with Publicis Sapient we re accelerating the impact, providing a good mix of talented engineers, technology, continuous improvement, innovation, and R&D. Here, you ll have the opportunity to unleash your potential, powering up advanced software solutions for some of the world s most iconic brands. Embrace your passion for technology, creativity, and continuous improvement, and join us in making a difference through engineering.

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Publicis Sapient is aware of scams involving false offers of employment with our company. The false interviews and job offers use fake websites, email addresses, group chat and text messages. We never interview prospective candidates via instant message or group chat, nor do we require candidates to purchase products or services, or process payments on our behalf as a condition of any employment offer. For more information or if you have been targeted please reach out here.

As part of our dedication to an inclusive and diverse workforce, Publicis Sapient is committed to Equal Employment Opportunity without regard for race, color, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion. We are also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, you may contact us at hiring@publicissapient.com or you may call us at +1-617-621-0200.

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