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Urgent! Lead Full Stack Engineer (C#/.NET/Java & React) Job Opening In Kraków – Now Hiring StoneX
Overview
Permanent, full-time, hybrid
Connecting clients to markets – and talent to opportunity.
With 4,300 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, Nasdaq-listed provider, connecting clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.
Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, The StoneX Group is made up of four segments that offer endless potential for progression and growth.
Business Segment Overview: A Swift-accredited service bureau and member, our Payments division provides NGOs, institutions and non-profits the ability to make a local difference, globally – with transparent pricing across 180+ countries and 140+ currencies.
Technology Ecosystem:
Responsibilities
Position Purpose: We are seeking a Lead Full Stack Engineer to head the development of Connect, a mission-critical platform enabling trading, pricing, and more for our clients.
This role combines hands-on engineering excellence with team leadership, making it ideal for someone who thrives in a high-impact environment, enjoys full stack development, and is motivated to grow people as well as products.
As Lead, you will manage a small, agile team of around five engineers, while also contributing directly to the technical direction and codebase.
You will be accountable for engineering quality, delivery predictability, and team growth, ensuring that the team operates effectively and efficiently.
This is a career-defining opportunity for an experienced full stack engineer with strong .NET, React, and Azure expertise to step into a leadership role with direct people management.
Primary duties will include:
Guide software design and architecture decisions to ensure scalable, robust, and maintainable solutions.
Own the refinement process - break down complex features into clear, actionable development tasks.
Contribute production-ready code while setting high standards in testing, CI/CD, and documentation.
Act as a technical mentor, supporting professional growth and upskilling within the team.
Drive delivery predictability and ensure commitments are met, partnering closely with Product and QA engineers.
Communicate progress, risks, and technical decisions clearly to engineering leadership and stakeholders.
Stay ahead of emerging technologies, especially within .NET, React, and Azure ecosystems, and recommend improvements to tools and practices.
Qualifications
To land this role you will need:
Strong proficiency in C#/.NET/Java for backend development, including building and maintaining RESTful APIs.
Hands-on expertise with React and modern frontend practices (TypeScript, component-driven design, state management).
Experience with Azure cloud services (App Services, Functions, Kubernetes, etc.) and cloud-native architecture.
Deep understanding of system architecture, scalable design patterns, and performance optimization across the stack.
Ability to facilitate refinement sessions and translate product requirements into technically sound, manageable work.
Strong grounding in CI/CD pipelines, automated testing, and DevOps principles.
Excellent communicator, able to inspire and guide technical teams while also engaging effectively with non-technical stakeholders.
Comfortable working in Agile environments with cross-functional teams.
Education / Certification Requirements:
Working environment:
#LI-Hybrid #LI-DK1
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Unlock Your Lead Full Potential: Insight & Career Growth Guide
Real-time Lead Full Jobs Trends in Kraków, Poland (Graphical Representation)
Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph below. This graph displays the job market trends for Lead Full in Kraków, Poland using a bar chart to represent the number of jobs available and a trend line to illustrate the trend over time. Specifically, the graph shows 1831 jobs in Poland and 226 jobs in Kraków. This comprehensive analysis highlights market share and opportunities for professionals in Lead Full roles. These dynamic trends provide a better understanding of the job market landscape in these regions.
Great news! StoneX is currently hiring and seeking a Lead Full Stack Engineer (C#/.NET/Java & React) to join their team. Feel free to download the job details.
Wait no longer! Are you also interested in exploring similar jobs? Search now: Lead Full Stack Engineer (C#/.NET/Java & React) Jobs Kraków.
An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at StoneX adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Lead Full Stack Engineer (C#/.NET/Java & React) Jobs Poland varies, but the pay scale is rated "Standard" in Kraków. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Lead Full Stack Engineer (C#/.NET/Java & React) typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Before the Interview:To prepare for your Lead Full Stack Engineer (C#/.NET/Java & React) interview at StoneX, research the company, understand the job requirements, and practice common interview questions.
Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the StoneX's products or services and be prepared to discuss how you can contribute to their success.
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