Senior Software Engineera (Lead Full Stack)

O projekcie: Senior Software Engineer (Lead Full Stack Engineer) Location: Kraków (hybrid model – 2 days per week from the office) Industry: FinTech / Risk & Compliance Technology Contract type: B2B Rate: 180–210 PLN/hour About the Role We are looking for an experienced Senior Software Engineer / Lead Full Stack Engineer to join a global Risk & Compliance technology team within a large international financial organization (client name confidential). You will play a key role in designing and building a brand-new internal web platform - Design Management Tool (DMT) - created to support end-to-end Business Architecture Design Management. The platform will automate, standardize, and optimize architecture design processes, enabling design capture, compliance checks, optimization workflows, and advanced analytics. This is a greenfield project with real impact across global business units. This role is ideal for someone who enjoys ownership, architectural decision-making, and hands-on development across the full technology stack. What’s Offered - Hybrid work model with flexibility - Private medical care - Multisport card - Flexible working hours - Opportunity to build a high-impact platform used across a global organization Wymagania: - 8+ years of professional software engineering experience - 3+ years in a Full Stack Engineer or Lead Engineer role delivering end-to-end web platforms - Strong knowledge of modern frontend frameworks (React, Angular, or Vue) - Solid backend experience with Java - Experience designing RESTful APIs, microservices, and scalable system architectures - Proven experience building platforms or tools from scratch - Strong understanding of relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra) databases - Experience with Git and modern version control workflows - Ability to work independently, own technical decisions, and deliver with minimal supervision - Excellent communication skills, able to explain complex technical concepts to technical and non-technical audiences Nice to Have - Experience with cloud platforms (GCP, AWS, Azure) - Hands-on experience with DevOps practices: CI/CD, monitoring, auto-scaling, site reliability engineering - Knowledge of Infrastructure as Code, Docker, Kubernetes - Familiarity with data science tools (Pandas, NumPy, Jupyter Notebooks) - Interest or experience in Generative AI frameworks and techniques Codzienne zadania: - Architect, design, and build a scalable web platform from scratch (frontend and backend) - Lead development of user-facing features using modern frameworks (React, Angular) - Design and implement backend services, APIs, and microservices using Java - Define data models, business logic, and API contracts - Ensure high performance, security, scalability, and maintainability of the platform - Collaborate closely with product managers, business stakeholders, and engineers in an Agile (SCRUM) environment - Drive CI/CD processes, automated testing, and code quality standards - Design and implement cloud infrastructure (preferably GCP) using Infrastructure as Code, containers (Docker, Kubernetes), and serverless services - Mentor and support other engineers, promoting architectural standards and technical excellence