• Lead the design, implementation, and continuous improvement of critical systems powering the ServiceTitan platform. • Drive enhancements in security, availability, reliability, and performance, and contribute to key architectural and strategic decisions, particularly those related to scale. • Actively contribute to research, development, support, and cross-company initiatives, designing solutions that address both current and future business needs and infrastructure plans. • Partner closely with Product Engineering teams to plan and execute seamless product releases. • Work with Engineering leadership to build and scale infrastructure and shared services that support platform and application requirements. • Define and embed non-functional requirements (NFRs) throughout the product lifecycle, influencing designs, standards, and best practices for highly scalable, distributed systems. • Build strong relationships with company leadership to ensure effective adoption and alignment of technology strategies. • Oversee performance, scalability, and availability across key data systems including Azure SQL, PostgreSQL, MySQL, Cosmos DB, MongoDB, Redis, and Kafka. • Drive improvements in query performance, system optimization, capacity planning, high availability/disaster recovery (HA/DR), and replication strategies. • Mentor and guide engineers across the organization, fostering technical excellence and a strong engineering culture. • Maintain a strong hands-on approach with approximately 60% focus on development and 40% on strategy, operations, and cross-functional initiatives. • Partner closely with Recruiting to help build high-performing teams—participating in candidate interviews and co-owning activities related to talent pipeline development.

Role Description As a Full stack Developer, you will be involved in development of projects for internal clients and will provide quality coding to support PSI business processes and operations with the focus on AI solutions. Full-time employment based in Lithuania. - Architect, develop and maintain business applications - Process user requests for developing of new and support for existing IT systems - Prepare documentation related to development and maintenance of business applications - Execute and implement software tests, participate in code reviews - Follow the development standards applied within the department - Track the development, maintenance and related tasks in the tracking system used within the team - Follow the progress of systems development technologies and advance professional skills as necessary Qualifications - BSc/BA in computer science, software engineering or relevant discipline - Full working proficiency in English - Knowledge of web technologies including JS(ES+) - Knowledge of C# language, Microsoft .NET frameworks, technologies and best practices - Knowledge of Transact SQL, MS SQL functions, stored procedures and other SQL objects Requirements - Experience with Machine Learning, Deep Learning, Neural Networks (CNNs, RNNs, Transformers), Natural Language Processing (NLP), Computer Vision (Good to have) - Python development experience (Good to have) - Experience with Blazor (Good to have) Benefits - Stable, privately-owned company, organically growing since 1995 - Opportunity to work remotely in Lithuania - Intensive induction program, technical and industry-related trainings for an optimal start and continuous development - Diverse projects that include but are not limited to web and desktop apps, ERP system, BPM system, document management system, AI initiatives and more - Friendly and supportive atmosphere in a committed team - International environment, with colleagues around the world - Opportunities to quickly see the results of your work - Gross salary range for Middle Developer: 3200-5000 EUR monthly (based on your overall experience and qualifications) - Corporate benefits: performance-based bonus, supplementary health insurance, annual team events

• Build and ship product features end-to-end • Ability to write clear and well defined design documentation • Mentor fellow engineers • Lead application architecture decisions • Troubleshoot, debug and resolve software bugs • Implement back-end APIs in Node.JS • Work on our Ember SPA front-end • Collaborate with engineers, designers, and product managers • Participate in an Agile software development life cycle • Write well-designed, maintainable & testable code • Be product-minded and think about the customer • Work with JavaScript, Node.JS, Ember(or other relevant frameworks), Python, PostgreSQL • Contribute to open-source projects

• Embrace and champion engineering best practices within the product engineering teams • Work closely with product teams to plan and build scalable, resilient and cost-effective infrastructure systems that meet launch goals, reach new markets and scale with product demand • Partner with fellow engineering teams to deliver on complex initiatives together • Develop simple, elegant solutions to complex problems • You will work in a solution stack that extends all the way from complex back-end data through web services to highly usable web-based user interfaces • You will be able to directly shape system design, development methodologies, and implementation technologies