Full-stack Developer

Creatio is a global vendor of an AI-native platform to automate workflows and CRM with no-code and a maximum degree of freedom. Our platform combines an AI-first architecture, composable no-code tools, and enterprise-grade governance to help organizations build and scale faster.We're proud to be recognized by top industry analysts as a Leader and Strong Performer in multiple Gartner and Forrester reports. In 2025, Creatio was named to Inc.'s Best Workplaces list, highlighting our commitment to employee wellbeing and a strong workplace culture.Creatio is seeking a skilled and motivated Full-stack Developer (Creatio Platform) to join our project development team. The ideal candidate will design and implement business solutions, build integrations, ensure application stability, and contribute to the continuous improvement of the Creatio ecosystem.Key ResponsibilitiesSolution Design & DevelopmentIndependently design and develop Creatio customizations (UI, business logic, schemas)Implement client-side functionality in JavaScript/TypeScriptExtend Creatio server-side logic using .NET, following platform guidelinesBuild complex business processes, data models, and reusable componentsIntegrations & APIsDevelop and support integrations with external systemsWork with REST/SOAP APIs, including authentication and security modelsWrite efficient SQL queries and optimize database operationsDiagnose integration and performance issuesQuality & StabilityConduct unit and integration testingEnsure code quality, maintainability, and adherence to internal standardsPerform refactoring and improve existing solutionsContribute to documentation and architectural decisionsCollaboration & DeliveryCollaborate effectively with BAs, PMs, QAs, and architectsProvide estimates and communicate risks proactivelyParticipate in code reviews and mentor junior developersWork within Agile/Scrum frameworks and maintain clear delivery disciplineCandidate ExpectationsTechnical Skills2+ years of commercial development (preferably enterprise)Strong knowledge of C#/.NET, including debugging and async patternsConfident experience with JavaScript/TypeScriptProficiency in SQL and relational databasesSolid understanding of REST architecture and security aspectsExperience working with existing codebases (analysis, refactoring, extensions)Creatio Platform (experience is a strong advantage, but not mandatory)Understanding of low-code platform principles and configuration-driven developmentExperience with Creatio (customizations, schemas, integrations) is highly beneficial but not a strict requirementAbility to learn platform specifics quickly and adapt engineering solutions to Creatio's architectureFamiliarity with Freedom UI concepts, integration patterns, or business process design is a plusReadiness to work within platform limitations while producing scalable, maintainable solutionsEngineering CultureStrong focus on code quality and maintainabilityExperience conducting and participating in code reviewsUnderstanding of testing principles (unit/integration)Ability to evaluate technical trade-offs in designSoft Skills & CommunicationEnglish B1+–B2 (comfortable in calls and written communication)Ownership mindset and responsibility for deliveryAbility to articulate technical decisions clearlyMentoring attitude toward junior developersWhat You Should Expect From UsThe award-winning product (a Leader in Gartner Quadrants) to be proud ofA remote-first hybrid model: while giving plenty of space for personal focus, we encourage regular meetings in one of our five hubs worldwideCulture of genuine care, ownership, dedication, and high standardsA vibrant corporate life: explore your teammates' cultures in online and offline events, take part in sports competitions, art masterclasses, and unforgettable partiesHealth support: multiple medical insurance options provided with our trusted partnerCompetitive pay for all team membersPaid leave options for life events, sickness, and moreA modern and welcoming hub in the Warsaw city center for collaboration or focused work