Senior Application Engineer - NMS

What you will do

Role Overview

As a Senior Software Engineer reporting to Head of Engineering, you'll play a critical role in designing, building, and evolving software solutions that power Nasdaq's global technology platforms. Based in Poland, you'll work across architecture, development, and delivery to create scalable, high-quality systems that drive real business impact. You'll thrive in this position if you're a collaborative problem-solver with a strategic mindset, a passion for technology, and the ability to mentor others in a fast-paced, high-impact environment.

Key Responsibilities

• Design, develop, and implement software solutions across new and existing applications, systems architecture, and infrastructure to meet complex business needs.
• Analyse and review system requirements and business processes, translating them into robust, well-tested, and maintainable code.
• Evaluate emerging technology and market trends to identify opportunities, inform technology decisions, and maintain competitive advantage for clients.
• Collaborate across functions and geographies to deliver end-to-end solutions spanning architecture, database design, software development, and testing.
• Mentor and challenge team members to drive continuous improvement, efficiency, and adoption of industry best practices.

What we offer

We offer a competitive, well-rounded rewards package that supports you and your family - inside and outside work. The annual gross base pay for this role is zł169,000 - zł330,000. In addition to base pay, we offer short-term incentives (bonus or commission) and long-term incentives (equity), where applicable, as well as the following benefits:

• Competitive base salary
• Annual bonus
• Annual equity grant
• Employee Stock Purchase Plan offering discounted company shares
• Pension plan PPK
• 26 vacation days
• 6 additional flex days per year
• Work from (almost) anywhere – up to 20 days/year
• Paid time off for volunteer work - up to 2 days/year
• Comprehensive Health Insurance program
• Group Life Assurance
• 24/7 mental health support for you and your family
• Global mentoring program
• Unlimited access to e-learning platforms
• Hybrid work setup (at least 3 days a week in-office)
• Modern and comfortable office work environment with fresh fruit, snacks, and weekly fika breaks

Requirements

Required Qualifications

• Bachelor's degree in Computer Science, Information Systems, or a related field — or equivalent practical experience.
• 8+ years of experience in software engineering, including design, development, testing, and implementation of complex solutions.
• Proficiency in C++ with demonstrated experience developing and maintaining high-performance, production-grade software.
• Strong understanding of systems architecture, application infrastructure, and software development lifecycle.
• Clear communicator with experience working in collaborative, cross-functional environments.

Preferred Qualifications

• Advanced degree or specialization in financial markets, finance, mathematics, or a related discipline.
• Relevant professional certifications across specialist technology disciplines.
• Experience working with global teams or contributing to enterprise-scale systems in regulated industries.