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

298 - 352 USDNet per day - B2B
JavaScript

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

JavaScript
-, Poznań +4 Locations

Upvanta sp. z o.o.

Full-time
B2B
Manager / C-level
Remote
298 - 352 USD
Net per day - B2B

Job description

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.

Tech stack

    React

    advanced

    .Net

    advanced

    TypeScript

    advanced

    Microservices

    advanced

    Python

    advanced

Office location

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

298 - 352 USDNet per day - B2B
Summary of the offer

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

-, Poznań
Upvanta sp. z o.o.
298 - 352 USDNet per day - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest Upvanta sp. z o.o z siedzibą w Warszawie, ul. Prosta 70_(dalej jako "administrator"). Masz... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.