• Development of project solutions on the Terrasoft Creatio enterprise platform using server-side code (C#) and JavaScript. • Development of new client modules and enhancement of existing ones. • Implementation of integrations between Creatio and other company systems (via API, Kafka). • Participation in solution design, taking into account the capabilities of Terrasoft Creatio products. • Development, adaptation, and configuration of Creatio modules. • Support of the overall infrastructure. • Collaboration with the team — system and business analysts, testers, and infrastructure administrators.

• Create and maintain APIs for integration with financial markets. • Ensure the security of APIs and data by implementing authentication, authorization, and threat protection measures. • Design and implement scalable solutions to handle high volumes of user requests. • Collaborate with the team to define software and database architecture. • Develop unit tests and apply TDD and BDD practices to ensure code quality. • Work closely with the infrastructure and DevOps teams.

• Provide strategic direction and leadership for Wastewater Engineering initiatives across the organization • Lead, mentor, and develop a high-performing engineering team, supporting career development, succession planning, and professional training • Establish staffing needs and ensure balanced project assignments among team members, considering skill fit and workload distribution • Manage, direct, and coordinate the Wastewater Engineering group to ensure projects are on schedule, within budget, and aligned with business goals • Establish and track KPIs related to engineering quality, cost, schedule, and customer satisfaction • Standardize engineering workflows and documentation by developing and maintaining Standard Operating Procedures (SOPs) for the Wastewater Engineering team • Drive innovation by exploring and incorporating emerging technologies and industry trends into designs • Ensure compliance with ESG engineering methodologies, safety standards, and regulatory requirements • Develop and approve technical documentation, including conceptual designs, construction documents, and commissioning plans • Review and approve treatment plant design, process performance, and equipment sizing to meet client deliverables • Collaborate with Sales, Business Development, and Operations for seamless project transitions and alignment with customer goals • Facilitate internal and external communication through clear technical documentation and risk assessments • Work with Project Managers and delivery teams to ensure proper equipment procurement, delivery, installation, and constructability • Support Wastewater Performance Engineers in responding to RFIs during project development and delivery phases • Maintain full technical understanding of energy systems and facility operations throughout the project lifecycle • Serve as a subject matter expert (SME) and technical consultant for internal teams and external clients • Represent ESG at industry events and client engagements • Lead the development of scope of work, cost estimates, and energy savings calculations, ensuring accuracy and financial viability • Assist in the selection and approval of equipment, suppliers, contractors, and sub-consultants in alignment with project requirements and procurement standards • Support training, customer presentations, and technical support efforts as needed • Perform related work as required

• Develop and enhance features in a 100% React Native application • Build interfaces with a focus on usability, performance, and code organization • Work with navigation based on React Navigation • Use TypeScript, ensuring consistent typing and readable code • Integrate and maintain native modules when necessary • Implement and sustain flows using WebView • Contribute to the evolution of the application's componentization • Ensure code quality and maintainability through code reviews and best practices • Identify and resolve complex issues, including production incidents • Analyze and optimize application performance (rendering, resource usage, navigation, etc.) • Work with observability for diagnostics and continuous improvement • Collaborate with UX/UI on the technical implementation of interfaces • Work together with backend teams and stakeholders to define solutions • Actively participate in the full development cycle (planning, development, testing, and delivery)