Middle Backend Developer (IoT domain)

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
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