Olena

We are a Communication Platform as a Service (CPaaS) designed to streamline how businesses connect with customers across multiple channels. Our flexible, cloud-based solutions integrate communication tools directly into your apps or websites, enabling real-time engagement. Looking for a Tech Lead/Architect who is ready to take responsibility and assume technical leadership and architectural decision-making on our high-load platform. WHAT YOU WILL BE DOING: Developing architecture for new system modules that ensure high performance and scalability of high-load systems. Implementing horizontal and vertical scaling strategies to ensure stable system operation under increasing load. Optimizing system performance. Analyzing and optimizing database queries (MySQL, PostgreSQL) to ensure maximum performance. Coordinating the technical team, distributing tasks among developers, and monitoring their execution. Ensuring effective interaction between different technical teams, as well as between technical and non-technical stakeholders. Implementing and optimizing development processes, ensuring compliance with code quality standards. Critically analyzing and approving architectural decisions, making final decisions on task implementation. YOUR COMPETENCIES: Experience working with high-load systems. High proficiency in PHP (Laravel, Symfony) Deep knowledge of databases (MySQL, PostgreSQL) and query optimization. Experience with queue processing tools (Kafka, RabbitMQ) and caching (Redis). Experience working with Kubernetes and Docker. Experience with Linux platform (debugging and log analysis). Understanding of parallelism principles in PHP and the ability to emulate threads to ensure efficient process operation. Experience in designing and implementing architecture for high-load systems. Strong communication skills for effective interaction with stakeholders. Ability to critically evaluate task acceptance criteria and ensure compliance with code quality standards. WII BE A PLUS IF YOU HAVE: Experience in the telecom industry. Knowledge of SMPP and TCP/IP protocols (telecommunications systems). Experience in reengineering legacy systems. Knowledge of other languages. English at least B1. WE OFFER: You'll have the ultimate authority on technical decisions, shaping the future of our high-load platform. Skilled team. Mature management. Remote work; Competitive salary; 24 days of paid vacation. 3 days off if you need an emotional reboot. Holidays, vacation, sick leaves — according to the local legislation. Other benefits.