About vacancy:

Qualifications:

5+ years of working experience as JavaScript Developer using Node.JS;

Fluent in modern JavaScript/TypeScript, with deep understanding of async patterns, event-driven architecture, and building scalable backend services;

Solid experience in PostgreSQL schema design, query optimization, indexing strategies, and performance tuning;

Hands-on with Docker, CI/CD pipelines, and cloud environments (AWS/GCP/Azure), including infrastructure-as-code tools like Terraform or CloudFormation;

Experienced in RESTful APIs, webhooks, authentication flows (OAuth, JWT), and managing complex third-party integrations;

Primarily backend-focused but comfortable working with frontend frameworks such as React or Angular when needed;

Able to balance speed and quality, knowing when to iterate quickly and when to build for long-term scalability;

Practical knowledge of AWS services (EC2, Fargate, ECS, Lambda, Bedrock, SageMaker) and .NET Core development is a plus;

Experience with POS or retail systems (Toast, Clover, NCR, Verifone) and IoT or edge computing integrations will be a plus;

Background in R&D environments and working with vector or graph databases (especially on Postgres) will be a plus;

Familiarity with message queues (RabbitMQ, SQS) and time-series or analytics databases will be a plus;

Upper-Intermediate Level of English.

Project description:

A video-analytics solution used across 20,000+ retail locations to detect employee and cashier theft through post-incident review. Proven in food-service environments, it is now evolving toward real-time detection and expanding from back-of-house monitoring to front-of-house use cases like self-checkout and shoplifting prevention.

Tech stack: Node.js/TypeScript, Postgres, Docker, Kubernetes, GitHub Actions, AWS, Heroku etc.

Interview stages: Prescreen Call with Recruiter; Client Interview – Culture Fit; Client Interview – Final Technical.

Responsibilities:

Rapidly prototype and develop new features, transforming research concepts into production-ready systems;

Design and implement integrations with diverse point-of-sale systems, managing unique APIs and data formats;

Create and maintain robust Node.js services for data ingestion, processing, and API orchestration;

Design and optimize PostgreSQL schemas for scalability, performance, and evolving data requirements;

Manage deployments, CI/CD pipelines, monitoring, and infrastructure-as-code to ensure reliability and efficiency;

Work cross-functionally with computer vision, product, and customer teams to align technical solutions with business goals.

We offer:

Career and professional development opportunities;

Flexible working hours;

Remote work opportunities;

20 paid vacations per business year and National Ukrainian holidays;

10 paid sick leaves;

Mentorship program;

Courses and Certifications;

Business English courses of all levels;

Team parties, company events, and branded presents.

Anastasiia Sysyn

Recruiter