Software Engineer Internship (2026 Start)

Gewis; Amsterdam; Hybrid; EUR 17,000 - 23,000; Full time

Benefits offered by this job

Competitive internship compensation

Flights and accommodation in city-cent

Office perks: meals, coffee, drinks

Intern cohort social events

Job summary

Optiver in Amsterdam offers a Software Engineer Internship starting in 2026. Over ten weeks you will be mentored by Optiver engineers, contribute to world-class trading systems, and work on projects that push performance and efficiency.

You will partner with senior engineers and traders to design, develop, test, and ship code to production, gaining hands-on exposure to complex financial systems. You’ll receive a highly competitive internship package, including flights and accommodation in the

Qualifications

• Penultimate-year student in CS/CE or equivalent
• Able to work full-time after graduation in 2027
• Proficient in C++, Python, or Java and strong architecture knowledge

Responsibilities

• Deep dive into trading fundamentals and technology
• Collaborate with senior engineers and traders to design, develop, test, and ship code to production
• Tackle real-world problems to improve performance and efficiency

Skills

C++

Python

Java

Education

Penultimate-year CS/CE student

Job description

Software Engineer Internship (2026 Start)

at Optiver

Description

What you’ll do

During the ten week internship, you will be mentored by Optiver engineers, play a key role in advancing our world-class trading systems and work on projects that push the boundaries of performance and efficiency. You will:

• Deep dive into trading fundamentals, from theoretical concepts to financial markets, strategies and cutting-edge technology
• Work closely with senior engineers and traders to design, develop, test, and ship your code to production
• Tackle complex, real-world problems to enhance your critical thinking and problem-solving skills

Based on your performance during the internship, you could receive an offer to join our firm full-time after your studies.

What you’ll get

You’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Motivated by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the toughest problems in the financial markets.

In addition, you’ll receive:

• A highly competitive internship compensation package
• Optiver-covered flights and accommodation in the city centre for the duration of the internship
• Extensive office perks, including breakfast and lunch, world-class barista coffee and Friday afternoon drinks
• The opportunity to participate in sports and leisure activities, along with social events exclusively organised for your intern cohort

Who you are

• Penultimate year student in Computer Science, Computer Engineering or equivalent, with the ability to work full time upon graduation in 2027
• Passionate for clean code, simple, well-architected systems and continuous improvement
• Proficient in industry-standard coding languages such as C++, Python, or Java, with a strong understanding of underlying computer architecture and system operations
• Have an entrepreneurial attitude and an interest in the financial industry
• An analytical mindset and strong problem-solving skills
• Able to work closely with other engineers,traders and business operations

We encourage applications from candidates from any and all backgrounds, and we welcome requests for reasonable adjustments during the process to ensure that you can best demonstrate your abilities.

For answers to some of our most frequently asked questions, refer to our Campus FAQs .

For applicants based in India, our entry route is via the placement office internship hiring season (July/August).

*We accept one application per role per year. If you have previously applied to this position during this season and have been unsuccessful, you can reapply once the next recruitment season begins in 2026.