Senior Full-Stack Developer (React / TypeScript / Python / Java)

About the Role

We are looking for a Senior Full-Stack Developer to design and deliver scalable, high-performance web applications across both frontend and backend layers. This role requires strong expertise in modern frontend engineering with React, as well as solid backend architecture experience using Python (FastAPI preferred) or Java.

You will be responsible for building end-to-end features, designing APIs, and ensuring system scalability, performance, and maintainability in production environments.

Key Responsibilities

Frontend Development

• Develop modern web applications using ReactJS and TypeScript.
• Design and implement reusable UI components and scalable frontend architecture.
• Build and maintain state management solutions and API integrations.
• Deliver responsive, accessible, and high-quality user interfaces.
• Collaborate closely with design and product teams to translate requirements into intuitive user experiences.
• Ensure frontend applications meet high standards of performance, maintainability, and usability.

Backend Engineering & API Development

• Architect and build backend services using Python (FastAPI preferred) or Java (Spring Boot / Quarkus).
• Design and implement scalable RESTful and GraphQL APIs with a focus on performance, security, and maintainability.
• Build asynchronous processing pipelines using technologies such as Celery, RabbitMQ, Redis, or similar message brokers.
• Design and optimize database schemas using PostgreSQL, MySQL, or NoSQL databases.
• Implement caching strategies to improve system performance and reduce latency.
• Optimize backend services for high throughput, scalability, and reliability.

Required Skills

Frontend Engineering

• Strong experience with ReactJS and TypeScript.
• Solid understanding of frontend architecture and component-based design.
• Experience with state management libraries (Redux, Zustand, MobX, or similar).
• Strong knowledge of API integration (REST and/or GraphQL).
• Experience building responsive and accessible web applications.
• Strong focus on frontend performance optimization and maintainability.

Backend Engineering

• Strong experience with backend development using Python (FastAPI preferred) or Java (Spring Boot / Quarkus).
• Experience designing and building RESTful APIs and/or GraphQL APIs.
• Solid understanding of microservices architecture principles.
• Experience working with asynchronous processing systems (Celery, RabbitMQ, Redis, or similar).
• Strong knowledge of relational and/or NoSQL databases (PostgreSQL, MySQL, MongoDB, etc.).
• Experience with caching strategies (e.g., Redis, in-memory caching, CDN strategies).

Nice to Have

• Experience with event-driven architectures.
• Familiarity with Docker and Kubernetes in production environments.
• Exposure to cloud platforms (AWS, GCP, or Azure).
• Understanding of CI/CD pipelines and DevOps practices.
• Experience with performance tuning and system scalability improvements.
• Knowledge of Domain-Driven Design (DDD) or clean architecture principles.
• Experience working in Agile/Scrum teams.

Send your Resume / CV to apply online.

Founded in California in 2004, Codeminders specializes in developing cutting-edge software solutions for high-tech companies in the Silicon Valley of California. Our expertise spans a wide range of industries, with a primary focus on modern technologies such as AI, mobile applications, video conferencing, and cloud computing.

As a member of the Codeminders team, you’ll have the unique opportunity to work on innovative projects. Whether it’s collaborating with dynamic startups or established companies serving millions of users, every project is a chance to shape the future of technology.

Why Codeminders?

We believe in empowering our team members with the tools, opportunities, and culture to thrive. Here's what you can expect when you join us:

• Innovation at Its Core: Work on transformative projects that utilize the latest technologies, tools, and methodologies.
• Global Collaboration: Partner with world-class engineers from both the US and Ukraine, fostering diverse perspectives and international exposure.
• Strong Ethical Foundation: We stand firm in our values by maintaining zero business ties with Russia, Belarus, and temporarily occupied Ukrainian territories (Crimea, Donbas, etc.).

Employee Benefits:

We offer a robust package designed to support your professional and personal growth:

• Competitive Compensation: Your salary is based on your qualifications, experience, and performance.
• Exceptional Stability: Enjoy job security and ample opportunities for career progression.
• Professional Development: Access educational programs and certifications to expand your expertise.
• Health & Wellness: Comprehensive support for fitness.
• Flexible Working Environment: Benefit from a fully remote work setup, flexible schedules, and relocation assistance if needed.
• Performance Recognition: Regular bonuses, annual salary reviews, and recognition for your achievements.
• Advanced Equipment Options: Choose the workstation setup that fits your needs, whether a desktop or a laptop.
• Team Building & Community: Participate in regular events that foster collaboration, camaraderie, and innovation.