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We support enterprises, product houses, and startups with custom software solutions development and IT consulting.
Middle Full-Stack Software Engineer – AI Voice Systems
Location
Ukraine
Posted
60 days ago
Salary
0
Seniority
Senior
Job Description
Middle Full-Stack Software Engineer – AI Voice Systems
Sigma Software Group
• Develop and maintain full-stack features in a production environment. • Build user-facing functionality using TypeScript, React, and Next.js. • Work with server-side rendering and general Next.js patterns. • Build, consume, and maintain GraphQL APIs, ideally using Apollo. • Read, write, and maintain backend services in Python. • Contribute to API design, data modeling, and service-to-service communication. • Support integrations with CRMs, telecom providers, and AI-related vendors. • Work with MongoDB and Aurora / PostgreSQL for data storage. • Participate in debugging across the stack — from browser DevTools to backend logs. • Work with Docker and containerized deployments. • Contribute to CI/CD improvements, deployment safety, logging, monitoring, and observability. • Help keep production services stable, reliable, and easy to support. • Communicate directly with the customer team and take ownership of tasks from start to finish.
Job Requirements
- 3+ years of full-stack engineering experience, preferably with a frontend focus.
- Experience owning features end to end in a production environment.
- Good working knowledge of TypeScript.
- Strong experience with React and Next.js.
- Familiarity with server-side rendering and general Next.js patterns.
- Experience working with GraphQL, ideally Apollo.
- Ability to build and consume GraphQL APIs.
- Comfortable working with Python: able to read, write, and maintain backend services.
- General understanding of backend fundamentals: API design, data modeling, and how services communicate with each other.
- Experience with Docker and containerized deployments.
- Experience with MongoDB or a relational database such as PostgreSQL / Aurora.
- Understanding of basic schema design and ability to write reasonable queries.
- Ability to debug across the stack, from frontend issues to backend logs.
- Interest in production topics: logging, monitoring, reliability, and service health.
- Proactive communication and ability to take a task and drive it without constant hand-holding.
- Comfortable working in a small team with direct customer communication.
Benefits
- Employees can work remotely
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Pashto Language Instructor
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Yorktown Systems GroupA defense and professional services company founded in 2008, Yorktown Systems Group offers civil and federal organizations customized solutions that strengthen
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