Ingénieur Logiciel II - Python-React (FullStack) (H/F)

Job Description

We are seeking a talented and motivated Software Engineer II (Fullstack) with strong expertise in Python and React to join our Engineering team. In this role, you will contribute to building scalable, high-performance applications that power our platforms and deliver meaningful value to internal teams and external partners.

As a Fullstack Engineer, you will work across both frontend and backend systems, developing responsive user interfaces, building robust APIs, and ensuring seamless integration between services. You will collaborate closely with senior engineers, product managers, designers, and DevOps teams to deliver reliable, secure, and maintainable solutions.

You will contribute to technical design discussions, implement features end-to-end, and take ownership of your deliverables. This role requires strong hands-on development skills, attention to quality, and a proactive mindset toward learning and continuous improvement.

You will independently manage assigned initiatives while contributing to a collaborative, fast-paced, and impact-driven engineering culture.

We expect our team members to:

• Act with integrity, even when it's hard
• Always stay curious and ready to learn
• Work to meaningful outcomes, mindful of each step
• Operate as a unified team, made stronger by uniqueness

Responsibilities & Skills

You should:

• Be excited to work with talented, committed people in a fast-paced environment.
• Design, develop, and maintain scalable backend services and RESTful APIs using Python.
• Build responsive, reusable frontend components using React.
• Translate business and product requirements into clean, maintainable technical solutions.
• Collaborate with cross-functional teams including backend, frontend, DevOps, product, and design.
• Write efficient, testable, and well-documented code across the stack.
• Participate in code reviews and contribute to improving engineering standards.
• Debug, troubleshoot, and optimize performance across frontend and backend systems.
• Contribute to CI/CD pipelines and support reliable feature releases.
• Manage multiple initiatives while maintaining high quality standards.
• Demonstrate strong problem-solving skills and an agile mindset.

Required Skills (Python)

• 4-6 years of professional software development experience.
• 3+ years of hands-on experience with Python (3.x preferred).
• Solid understanding of OOP concepts, data structures, and algorithms.
• Experience working with backend frameworks such as Flask or FastAPI.
• Experience designing and consuming RESTful APIs.
• Understanding of microservices-based architecture.
• Experience with relational or NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
• Experience writing unit and integration tests.
• Understanding of security best practices in application development.

Required Skills (React)

• 3+ years of hands-on experience with React (16+ preferred).
• Strong understanding of JavaScript, TypeScript, HTML5, and CSS3.
• Experience building reusable component-based architectures.
• Understanding of state management patterns (Redux, Context API, etc.).
• Experience with modern frontend build tools (Webpack, Vite, NPM/Yarn).
• Knowledge of responsive design and cross-browser compatibility.
• Experience writing unit and functional tests (Jest, React Testing Library, etc.).
• Familiarity with integrating frontend applications with backend APIs.

The following experiences are not required, but you'll stand out from other applicants if you have any of the following, in our order of importance:

• Experience with cloud platforms such as AWS or GCP.
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, etc.).
• Understanding of Infrastructure as Code tools like Terraform.
• Experience with containerization technologies such as Docker.
• Exposure to serverless architecture (e.g., AWS Lambda).
• Experience with microservices architecture in production environments.
• Experience working in a product-led SaaS organization.
• Experience working in distributed global teams.

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Why Join Uplight in Leading the Fight Against Climate Change?

At Uplight, we're not just offering a job - we're offering a chance to be part of the solution to one of the world's biggest challenges. As a certified B Corporation, we're deeply committed to both social and environmental responsibility. Here's why you should join our team of passionate Uplighters:

• Make a Meaningful Impact: Your work directly impacts our mission of decarbonization and building a more sustainable future.
• Grow Your Career: We offer ample advancement opportunities, robust learning and development programs, and a supportive team environment that fosters collaboration and innovation.
• Thrive: We offer comprehensive benefits, including flexible time off, generous parental leave, a wellness stipend, and work flexibility to help you thrive both personally and professionally.
• Belong to an Inclusive Community: We celebrate diversity and foster an inclusive workplace where everyone feels respected, empowered, and heard. Our Employee Resource Groups offer opportunities to connect with colleagues who share your interests and backgrounds.
• Be Part of a Growing Movement: Join a team of dedicated individuals who are passionate about creating a more sustainable future. We offer a collaborative environment where your ideas are valued and your contributions recognized. Together, we can build a brighter tomorrow.

Uplight provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type without regard to race (including hair texture and hairstyles), color, religion (including head coverings), age, sex, national origin, caste, disability status, genetics, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.