Senior Full Stack Developer ()

Warsaw - Poland

Monthly Salary: Not Disclosed

Posted on: 12 hours ago

Vacancies: 1 Vacancy

Job Summary

Design develop and maintain scalable applications across front-end and back-end layers
Develop robust back-end services and APIs (REST/GraphQL) using
Build responsive user-friendly UIs using ReactJS
Collaborate closely with data engineers and ML teams to integrate AI features and data-driven logic into the product
Optimize application performance scalability and reliability in a cloud environment
Implement best practices for security CI/CD testing and code quality
Work with product and design teams to translate business requirements into technical solutions
Take ownership of features from ideation to deployment and monitoring in production
Stay up to date with emerging technologies and contribute to technical decision-making and innovation within the team

Qualifications :

5 years of professional experience with JavaScript including modern frameworks and tools
Expert proficiency in for scalable back-end services and APIs
Expertise in ReactJS for modern responsive front-end interfaces
Experience designing and implementing Data APIs for efficient workflows
Familiarity with VectorDB or similar vector databases for AI/ML applications
Hands-on experience with AWS or GCP including deployment and management
Strong knowledge of RESTful APIs microservices and database systems (SQL/NoSQL)
Upper-Intermediate level of spoken and written English

WILL BE A PLUS

Experience with Model Context Protocol (MCP) for AI model interactions
Familiarity with workflow automation tools such as Langflow or n8n
Knowledge of DevOps practices CI/CD pipelines or containerization (Docker Kubernetes)

Additional Information :

PERSONAL PROFILE

Strong problem-solving skills
Attention to detail
Ability to work independently
Excellent communication and collaboration skills

Remote Work :

Yes

Employment Type :

Full-time

Design develop and maintain scalable applications across front-end and back-end layersDevelop robust back-end services and APIs (REST/GraphQL) using Build responsive user-friendly UIs using ReactJSCollaborate closely with data engineers and ML teams to integrate AI features and data-driven logic int...

Key Skills

APIs
REST
Spring
SOAP
.NET
React
Node.js
Angular
J2EE
JavaScript
Web Services
Java

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About Company

Sigma Software

At Sigma Software, we are involved with the clients team to contribute to the design and development of a technical solution for their tokenized domain reservation platform. We started by assigning a software architect to design the smart contracts and integrate blockchain into the s ... View more

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