JustJoin.IT Praca zdalna Expert New

Full Stack Development Lead (React & C# .NET Core) (m/k/n)

Upvanta sp. z o.o.

⚲ Poznań, Warszawa, Wrocław, Gdańsk, Kraków

1 100 - 1 300 PLN/dzień netto (B2B)

Wymagania

  • React
  • .Net
  • TypeScript
  • Microservices
  • Python

Opis stanowiska

About the Role We are seeking a highly accomplished Full Stack Development Lead with over 15 years of software engineering experience and deep technical expertise across React, C# .NET Core, Python (pyspark), and Power BI. This is a senior leadership role responsible for driving solution architecture, technical strategy, and full stack development within a dynamic capital markets environment. Experience in credit risk and market risk domains, as well as modern engineering practices such as microservices, event driven architectures, and CI/CD automation, is essential. This role blends hands-on engineering with team leadership, technical governance, and stakeholder engagement across risk, data, and product functions. ________________________________________ Key Responsibilities Technical Leadership • Lead the design, development, and delivery of complex full-stack solutions using React and C# .NET Core. • Own the architectural direction for microservices, APIs, cloud deployments, and event-driven systems. • Provide technical leadership in Python (pyspark)-based data pipelines and Power BI reporting solutions. • Drive engineering standards, coding best practices, architectural patterns, and documentation culture. • Oversee solution design reviews, performance optimizations, and technical decision-making across teams. • Team & Delivery Management • Lead, mentor, and upskill a team of full stack developers, data engineers, and BI developers. • Foster a high-performance engineering culture focused on quality, automation, and innovation. • Partner with product owners, risk SMEs, and data teams to define technical roadmaps and delivery strategies. • Manage delivery timelines, sprint planning, workload allocation, and cross-team collaboration. • Ensure adherence to Agile/Scrum practices and continuous improvement initiatives. Technical Execution • Design and develop scalable user interfaces with React and TypeScript. • Build and maintain backend services, APIs, and microservices using C# .NET Core. • Oversee development of Power BI dashboards, semantic models, and enterprise grade data visualizations. • Architect and implement pyspark based workflows for risk analytics, data quality, and pipeline automation. • Maintain robust CI/CD pipelines across build, test, deployment, and monitoring layers. • Contribute to cloud engineering initiatives (Azure preferred), including containerization and orchestration. ________________________________________ Required Skills & Experience Core Technical Expertise • 15+ years in software engineering with at least 5+ years in technical leadership or engineering lead roles. React / Front-end: • Advanced knowledge of React, TypeScript, state management patterns, component architecture. C# .NET Core / Backend: • Deep expertise in C#, API design, microservices, distributed architectures. Python (pyspark): • Experience building scalable distributed data pipelines and integrating with analytics platforms. Power BI: • Strong hands-on experience with dashboard development, data modelling, DAX, governance, and performance tuning. Architecture: • Proven ability to design microservices, event-driven solutions, and cloud-native systems. DevOps / CI/CD: • Strong knowledge of automated pipelines, build and release engineering, and deployment strategies. Cloud Expertise: • Azure/AWS experience, preferably Azure (App Services, Functions, Storage, Event Hub, DevOps, Databricks). Databases: • Strong SQL, data modeling, and performance optimization experience across relational and NoSQL stores. Containers: • Hands-on experience with Docker, Kubernetes, and container orchestration. ________________________________________ Domain Knowledge Strong understanding of capital markets, particularly: • Credit risk: PD, LGD, EAD, counterparty exposure, credit decisioning. • Market risk: VaR, sensitivity measures, stress testing methodologies. Familiarity with regulatory frameworks (Basel III, FRTB, IFRS9) is highly desirable. ________________________________________ Leadership & Soft Skills • Strong people leadership, mentoring, and team development capabilities. • Excellent communication and stakeholder interaction skills across tech, risk, and business groups. • Proven ability to make sound architectural and technology decisions. • Strong problem-solving, analytical thinking, and delivery management. • Ability to balance hands on engineering with strategic leadership responsibilities.