OrangeUni

We are looking for an experienced and highly skilled Senior React Developer / Senior Front-End Developer to join our growing team. The ideal candidate will have strong expertise in building modern, scalable, and high-performance web and mobile applications using React technologies, along with experience working with Vue.js applications.

You will work closely with designers, product managers, and back-end developers to create seamless user experiences across web and mobile platforms. This role requires strong technical knowledge, attention to detail, and the ability to take ownership of front-end architecture and development.

Key Responsibilities

• Develop and maintain responsive web applications using React.js and Vue.js.
• Build and support mobile applications using React Native.
• Collaborate with UI/UX designers to implement modern and user-friendly interfaces.
• Write clean, scalable, and maintainable code following best practices.
• Optimize applications for maximum speed, performance, and scalability.
• Integrate APIs and work closely with back-end developers.
• Participate in code reviews, debugging, and technical problem-solving.
• Ensure cross-browser and cross-device compatibility.
• Contribute to front-end architecture and technical decision-making.
• Stay updated with the latest front-end technologies and development trends.

Requirements

• 5+ years of experience in front-end development.
• Strong expertise in React.js and modern JavaScript (ES6+).
• Experience working with Vue.js.
• Experience building mobile applications using React Native.
• Solid understanding of HTML5, CSS3, TypeScript, and responsive design principles.
• Experience working with REST APIs and third-party integrations.
• Familiarity with state management libraries such as Redux, Zustand, Vuex, Pinia, or Context API.
• Experience with Git and collaborative development workflows.
• Strong problem-solving skills and attention to detail.
• Ability to work independently in a remote environment.
• Good communication and teamwork skills.

Nice to Have

• Experience with Next.js or modern React frameworks.
• Familiarity with Nuxt.js for Vue applications.
• Familiarity with mobile app deployment processes for iOS and Android.
• Understanding of performance optimization and testing frameworks.
• Experience working in agile development environments.

Position Overview:

Your expertise as a Senior Python Backend Developer and your understanding of web security principles will be invaluable to our team. You will be handling a complex, high-traffic platform with thousands of registered users, including video streaming, image processing, and an internal CRM.

Required Skills and Experience:

• Expertise in Python (5+ years) and Django framework, ORM, migrations, admin interface, creating REST API with Django Rest Framework;
• Experience with setting up or maintaining AWS (S3, RDS, SNS, SQS, CloudFront, CloudFormation) and implementation of OAuth flows;
• Proficiency with Celery (4.x/5.x) and message brokers (Redis or RabbitMQ);
• Experience using Docker (Dockerfile, docker-compose) and basic CI/CD knowledge (GitHub Actions or similar);
• Good knowledge of SQL and relational databases (preferably PostgreSQL);
• Proficiency in Git (Pull/Merge Requests, Code Reviews, Git Flow);
• English language — Full professional proficiency in English

This is a Senior position only. Only apply if you have at least 5 years of experience in these areas:

• Language: Python (primary), basic JavaScript (Vue.js — nice to have)
• Database: PostgreSQL
• Framework: Django, Django REST Framework
• Models: Django ORM models (relational)
• Architect Patterns: RESTful API
• Broker Message: Redis or RabbitMQ
• Cache: Redis
• Monitoring Tools: Sentry (Pytest, Flake8, Bandit, wemake-python-styleguide - nice to have)

Key Responsibilities

• Design and evolve scalable AWS architecture (backend + frontend delivery)
• Own infrastructure strategy for Python services and Vue/Nuxt frontend
• Architect high-availability, fault-tolerant systems
• Implement Infrastructure as Code (Terraform required)
• Design and maintain CI/CD pipelines (GitHub Actions preferred)
• Manage Docker and containerized deployments (Kubernetes is a plus)
• Configure and optimize NGINX from scratch (reverse proxy, caching, TLS, rate limiting)
• Implement monitoring, logging, and alerting (CloudWatch, Prometheus, Grafana, ELK)
• Optimize performance, scaling strategy, and cloud cost efficiency
• Define security best practices (IAM, secrets management, access control)

Required Skills & Experience

• 7+ years in DevOps, Cloud Engineering, or System Architecture roles.
• Strong experience designing system architecture for scalable web platforms (backend + frontend delivery).
• Strong AWS expertise (S3, RDS, SNS, SQS, CloudFront, CloudFormation).
• Strong experience with CI/CD design and deployment automation.
• Must have hands-on experience with NGINX, including writing configuration files and setting it up from scratch.
• Hands-on experience with Docker and containerized environments.
• Experience with message brokers (Redis, RabbitMQ, or similar).
• Strong understanding of performance optimization, scaling strategies, and reliability engineering.
• English — Full professional proficiency (B2 level).