Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description Python & Java Engineer Role overview We are looking for an experienced Software Engineer with strong expertise in Python and Java to design, develop, and maintain scalable, high-quality software applications and backend services. The ideal candidate will bring strong technical and problem-solving skills, take ownership of complex engineering challenges, and collaborate effectively across cross-functional teams. This role requires a strong focus on software quality, security, performance, and maintainability, along with the ability to apply sound engineering practices to deliver reliable solutions that meet evolving business and customer needs. Key Responsibilities • Design, develop, test, and maintain Java and Python based applications and services. • Translate business and technical requirements into scalable software solutions. • Develop and maintain RESTful APIs and backend integrations. • Participate in architecture and design discussions. • Perform code reviews and promote engineering best practices. • Troubleshoot complex technical issues and support root-cause analysis. • Write unit, integration, and automated tests. • Improve application performance, security, scalability, and maintainability. • Collaborate with product, QA, DevOps, and other engineering teams. • Mentor junior and mid-level engineers. • Contribute to technical documentation and continuous process improvement. Essential Skills and Experience • Strong hands-on experience in Python, including Django and Django REST Framework (DRF). • Strong proficiency in Java, Spring Framework, and Spring Boot. • Experience designing and developing RESTful APIs and backend services. • Strong knowledge of SQL and relational databases such as PostgreSQL, MySQL, or Oracle. • Experience with ORM frameworks such as Django ORM, JPA, and Hibernate. • Good understanding of OOP, design patterns, SOLID principles, and clean coding practices. • Experience with unit and integration testing using pytest, JUnit, Mockito, or equivalent frameworks. • Knowledge of application security, authentication, and authorization. • Experience with Git, code reviews, debugging, static code analysis, Agile, and SDLC practices. • Strong problem-solving and collaboration skills, with the ability to independently own and deliver technical solutions. Good to Have Skills • Experience with microservices and distributed systems. • Experience with Django REST Framework (DRF) and scalable Python backend development. • Familiarity with Celery, Redis, and asynchronous/background processing in Python applications. • Experience with Python testing, code quality, type checking, and dependency management tools. • Knowledge of Spring Security, Spring Cloud, or reactive programming. • Experience with Docker, Kubernetes, cloud platforms, CI/CD, and DevOps practices. • Experience with messaging technologies such as Kafka or RabbitMQ. • Knowledge of monitoring, observability, performance tuning, and scalability. • Familiarity with OpenAPI/Swagger or GraphQL. • Working knowledge of HTML5, CSS3, JavaScript/TypeScript, and frameworks such as Angular, React, or Vue.js. • Familiarity with responsive design, accessibility, web performance, and UI automation using Cypress, Playwright, or Selenium. • Experience working in regulated or quality-focused environments. • Experience mentoring engineers or leading technical initiatives. Education and Experience • Bachelor’s or master’s degree in Computer Science, Engineering, or a related field. • Typically 6+ years of relevant software development experience. Core Competencies Competency Expected capability Technical leadership Makes sound technical decisions and guides implementation of complex work. Quality mindset Builds reliable, testable, secure, and maintainable software. Ownership Drives work from requirements through delivery, support, and improvement. Collaboration Works effectively with engineering and cross-functional stakeholders. Mentoring Shares knowledge and helps others grow technically. Thank you for your interest as you consider starting a new career journey with us. As the world leader in serving science, our colleagues develop critical solutions through innovation—and build rewarding careers. Discover their extraordinary stories and connection to our Mission to enable our customers to make the world healthier, cleaner and safer. Their work is a story of purpose. What story will you tell? Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of more than $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon and PPD. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Thermo Fisher Scientific is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, creed, religion, color, national or ethnic origin, citizenship, sex, sexual orientation, gender identity and expression, genetic information, veteran status, age or disability status.

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