Middle Backend Developer (IoT domain)
Company Description: Are you a skilled Backend Developer passionate about cutting-edge IoT solutions? We at Sigma Software invite a Middle-level professional to join our team, working on an innovative smart building automation platform. This role offers flexibility — you can work remotely or onsite in Tashkent, Uzbekistan. In this position, you will contribute to a project that is actively transforming building management through real-time data, automation, and sustainability-focused solutions. You will work with modern technologies and have the opportunity to influence architecture and integrations. Why join us? At Sigma Software, you will be part of a collaborative environment, enjoy challenging tasks, and contribute to impactful projects that make a real difference in energy efficiency worldwide. CUSTOMER Our Customer is a leading IoT-based building management platform that empowers property owners and technical experts to make data-driven decisions. The solution focuses on real-time monitoring, automation, and sustainability, helping optimize energy usage and operational efficiency. PROJECT The project leverages smart building automation to translate real-time data into opportunities that align with operational, sustainability, and compliance objectives. As a result, large commercial buildings have achieved up to 30% reduction in energy consumption. Job Description: Design, develop, and maintain backend services using TypeScript and NestJS within a microservices architecture Integrate third-party services and APIs into the platform, ensuring high reliability and performance Work with PostgreSQL, MongoDB, and Redis for efficient data storage and retrieval Collaborate with cross-functional teams to deliver new features for the platform’s new product Participate in the full software development lifecycle, from requirements analysis to deployment and support Support DevOps activities, including CI/CD processes, infrastructure setup, and monitoring Monitor and optimize application performance, scalability, and security Troubleshoot and resolve technical issues Ensure code quality by following best practices and project conventions Contribute to improving team processes and technical documentation Proactively identify and communicate risks, blockers, and improvement opportunities Adapt to changing requirements and priorities Qualifications: At least 3 years of commercial experience in backend development with JavaScript/TypeScript stack Strong experience with Node.js and NestJS Experience integrating third-party services and APIs Proficiency with PostgreSQL, MongoDB, and Redis Familiarity with microservices architecture and messaging systems (RabbitMQ) Upper-Intermediate English level Strong communication and teamwork skills Ability to work proactively and independently Experience collaborating in cross-functional teams WILL BE A PLUS DevOps experience (Docker, Kubernetes, Terraform) AWS services (EC2, VPC, S3, Step Functions, Lambda, IAM, Cognito) Experience with Grafana, Prometheus, GitHub Actions Knowledge of Kafka, GraphQL, Linux Experience with real-time data processing and/or EV charger integration Additional Information: PERSONAL PROFILE Strong self-organization skills with efficient task management Ability to prioritize tasks to meet project goals Proactive in identifying and resolving blockers Clear and open communication with team members and stakeholders Transparency in work progress and outcomes Comfortable working in a dynamic environment with evolving requirements