Strong Junior/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 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 2 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