Sigma Software
online marketplace
MiddleFullStackEngineer(FrontendFocus)
Neural analysis suggests this role is
optimal for mid candidates.
“Middle Full Stack Engineer (Frontend Focus) at Sigma Software. Skills: React JS, Java, AWS, distributed systems. Design, develop, and implement large-scale distributed systems to ensure scalability, low latency, and fault tolerance. Develop and maintain front-end features using React JS, ensuring responsiveness and usability”
What You'll Achieve.
building high-performance, scalable systems; deliver a reliable and engaging user experience for pet owners and suppliers; ensure scalability, low latency, and fault tolerance; ensuring responsiveness and usability; enhance functionality; ensure reliability and efficiency; Optimize solutions for scalability, reliability, and high performance; address and resolve production incidents promptly
Industry & Context.
problem-solving skills; analytical thinking
What They're Looking For.
Must Have
At least 4 years of experience in software development with JavaScript and object-oriented programming, experience with frontend frameworks such as React JS, Working experience with Java in production environments, understanding of OOP principles, design patterns, algorithms, and data structures, Experience in building multi-tier web applications and REST APIs, Hands-on experience in Linux/Unix environments, Practical knowledge of cloud platforms (AWS, Google Cloud, or Azure), Familiarity with relational and NoSQL databases (HBase, Cassandra, MongoDB, Redshift)
Nice to Have
Experience with microservices architecture, Knowledge of CI/CD pipelines and DevOps practices, Familiarity with containerization tools (Docker, Kubernetes)
What You'll Do.
and implement large-scale distributed systems to ensure scalability
Develop and maintain front-end features using React JS
ensuring responsiveness and usability
Implement APIs and event-driven solutions to meet system requirements and enhance functionality
Create and execute unit tests
and performance tests to ensure reliability and efficiency
Optimize solutions for scalability
and high performance across both front-end and back-end components
Collaborate closely with cross-functional teams to address and resolve production incidents promptly
Participate in architectural discussions and contribute to technical documentation
How You'll Work.
Team & Collaboration
Collaborate closely with cross-functional teams; Ability to work effectively in a team
Communication Scope
communicate clearly
Full Job Description
Are you a Middle Full Stack Engineer passionate about building high-performance, scalable systems? Join our team at Sigma Software, where we create cutting-edge solutions for a leading online marketplace in the pet products domain. This is an opportunity to work on a high-load, distributed platform that connects millions of pet owners with suppliers worldwide. The role offers flexibility in work format — remote, onsite, or hybrid — to suit your lifestyle. At Sigma Software, we value innovation, quality, and teamwork. You will be part of a collaborative environment with access to challenging projects, modern technologies, and professional growth opportunities. CUSTOMER Our client is a leading online marketplace specializing in pet products. The platform connects pet owners with suppliers offering food, accessories, and healthcare products. Known for its intuitive interface and strong logistics network, the company is committed to enhancing the pet care experience through technology. PROJECT We are developing a high-performance, scalable customer-related platform capable of processing substantial data volumes with low latency and fault tolerance. The solution leverages Java, Spring, AWS services, and React to deliver a reliable and engaging user experience for pet owners and suppliers. * Design, develop, and implement large-scale distributed systems to ensure scalability, low latency, and fault tolerance * Develop and maintain front-end features using React JS, ensuring responsiveness and usability * Implement APIs and event-driven solutions to meet system requirements and enhance functionality * Create and execute unit tests, API tests, regression tests, and performance tests to ensure reliability and efficiency * Optimize solutions for scalability, reliability, and high performance across both front-end and back-end components * Collaborate closely with cross-functional teams to address and resolve production incidents promptly * Participate in architectural discuss
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