Senior Full-Stack Developer (C# / Angular) | Poland @ Deloitte

• Advanced knowledge of C# and .NET Framework/.NET Core • Strong software engineering and system integration experience • Excellent knowledge of JavaScript / Angular • Experience designing scalable enterprise applications • Strong SQL and database design skills • Extensive experience designing and implementing REST APIs • Experience with OData services and enterprise integrations • Strong understanding of Git workflows and branching strategies • Hands-on experience with Azure DevOps, CI/CD, and release management • Strong knowledge of design patterns, architecture principles, and clean code practices • Experience conducting code reviews and technical mentoring • Experience leading technical workstreams or development teams • Ability to contribute to project estimation and solution design • Strong stakeholder communication skills • Willingness to obtain Creatio certifications within the first year if not already certified • Communicating in English at a B2 level or higher • EU citizenship or valid work permit to work in Poland is required We are currently looking for experienced Senior Creatio CRM Developers to join our technology leadership team. If you enjoy solving complex business and technical challenges, designing scalable enterprise solutions, and helping other developers grow, we would like to meet you. Previous Creatio experience is highly valued; however, experienced Senior Software Engineers from CRM, BPM, or enterprise application backgrounds who are willing to learn the platform are also encouraged to apply. You will work on strategic digital transformation initiatives and help shape technical delivery standards across our growing Creatio practice. About the team: Our Creatio practice delivers enterprise CRM and BPM solutions across Sales, Service, and Process Automation domains. We are one of the largest and fastest-growing Creatio teams in the region, delivering complex international programs while maintaining a strong engineering culture. We partner closely with Creatio, participate in platform initiatives, and collaborate directly with product experts to help our clients maximize the value of their investments. Our team combines architects, consultants, business analysts, developers, DevOps engineers, and delivery leaders who share a passion for innovation, technical excellence, and continuous learning. This creates an environment where experienced professionals can have real impact while continuing to grow their careers. What we offer: • Opportunity to work in the largest Creatio practice in the region • Strategic and enterprise-level projects with international clients • Direct collaboration with Creatio Product Management and platform leadership • Influence over development standards, architecture approaches, and engineering governance • Opportunity to shape the growth of a rapidly expanding Creatio community • Supported certification program and advanced technical training • Defined career path toward Technical Architect, Solution Architect, and Practice Leadership roles • Access to a broad network of technology specialists and business consultants • Participation in innovation initiatives and platform strategy discussions • Competitive compensation and comprehensive benefits package • Flexible working model supporting work-life balance • A collaborative culture that values expertise, initiative, and knowledge sharing ,[Lead development streams within complex Creatio implementations, Drive technical quality and development best practices across projects, Work closely with Solution Architects and Technical Architects on solution design, Design scalable, maintainable, and secure CRM and BPM solutions, Develop advanced customizations using C#, JavaScript, Freedom UI, and platform capabilities, Review technical solutions and code produced by project teams, Mentor Mid-Level and Junior Developers, Define implementation approaches, integration patterns, and development standards, Support estimations, proposal preparation, and pre-sales activities, Collaborate directly with client technical teams and stakeholders, Contribute to internal accelerators, reusable assets, and innovation initiatives] Requirements: CRM, BPM, C#, .NET Core, .NET Framework, System integration, JavaScript, Angular, SQL, REST API, OData, Git, Azure, DevOps, CD, Design Patterns, Clean Code, Communication skills