Software Engineer

Software Developer – Trading Systems

As a Software Developer, you'll play a critical role in building and maintaining one of Nasdaq’s core systems powering trading at the heart of Nasdaq Stockholm.

You'll thrive in this position if you're detail-oriented, collaborative, and passionate about working on complex systems where precision and reliability are paramount. This is a long-term opportunity to grow deep expertise in financial technology alongside a stable, experienced team.

Key Responsibilities

• Participate in all phases of the lifecycle of software application development with an emphasis on architecture, design, quality, code reviews and implementation
• Develop and maintain backend systems that process real-time equity trades with ultra-low latency requirements.
• Write clean, well-tested code and conduct thorough code reviews to ensure system reliability and quality.
• Collaborate with a small, focused team of developers to deliver enhancements to critical trading infrastructure.
• Troubleshoot and resolve complex technical issues using data analysis, scripting, and network diagnostics.
• Contribute to system architecture decisions with a focus on scalability, maintainability, and performance.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 2–3+ years of experience in software development, ideally in backend or systems programming.
•  Proficiency in Java and object-oriented programming principles and design patterns.
• Solid understanding of Linux/Unix environments
• Excellent attention to detail and a structured approach to problem-solving in high-stakes environments.

Preferred Qualifications

• Understanding of network protocols and ability to analyze network traffic (e.g., tcpdumps).
• Background in financial services, capital markets, or fintech.

This position will be located in Stockholm and offers the opportunity for a hybrid work environment at least 3 days a week in-office, subject to change, providing flexibility and accessibility for qualified candidates.

Come as You Are

Nasdaq is an equal opportunity employer. We welcome applications from candidates of all backgrounds and identities. We are committed to fostering an inclusive workplace where diverse perspectives, experiences, and identities are valued and celebrated. We ensure that individuals with disabilities are provided with reasonable accommodation throughout the hiring process. To request accommodation, contact us directly.

Benefits & Rewards

We offer a competitive, well-rounded rewards package that supports you and your family - inside and outside work.

Actual pay depends on your skills, experience, education, and location. 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:

What We Offer

• Competitive base salary
• Annual bonus
• Annual equity grant
• Employee Stock Purchase Plan offering discounted company shares
• Pension plan
• 32 paid vacation days
• 6 additional days off per year
• Work from (almost) anywhere – up to 20 days/year
• Paid time off to volunteer
• Health insurance
• Friskvårdsbidrag/Wellness Allowance
• 24/7 mental health support for you and your family
• Global mentoring program
• Unlimited access to e-learning platforms
• Hybrid work setup

For more information, visit Nasdaq Benefits & Rewards Career Page.

Come as You Are

Nasdaq is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, color, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation.