Software Engineer - Automated Trading Systems
- Level
- Mid
- Visa
- Sponsors visas
Not stated in the posting: salary, work type.
Open. First seen 3 October 2026.
About the role
Optiver leverages technology to solve a variety of complex problems: optimising for scarce bandwidth, responding to market events with nanosecond speed, automatically pricing complex sets of financial instruments with extremely low error tolerance, and analysing huge volumes of data. Our systems are built to add to the stability of the market, not detract from it; therefore they must operate at peak efficiency in the most extreme market conditions. To achieve this, our user interfaces must present coherent, responsive, real-time visualisations of market activity and system performance while providing intuitive control of a highly complex system.
Our Core Software Engineers focus on the infrastructural and strategic components of our software landscape, ensuring the core elements provide a stable, performant, and trusted foundation upon which our systems are built.
WHAT YOU'LL DO:
Our systems play an essential role in everything we do in the trading domain. That is why our Technology and Trading Teams collaborate closely to jointly explore ideas and establish the new directions. Together, they build and maintain an outstanding suite of reliable, high-performing systems and applications.
As a member of the Core Software Team:
- You will provide the rock-solid software backbone on which the business relies every single day, and will define the technical arena in which the trading-focused development teams continue to innovate.
- You will not only be challenged on your technical knowledge and skills, but also on your capacity for producing simple and elegant solutions in face of an incredibly fast-paced and ever changing business environment.
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 performance-based bonus structure unmatched anywhere in the industry. We combine our profits across desks, teams and offices into a global profit pool.
Optiver's standard text
The opportunity to work alongside best-in-class professionals from over 40 different countries.
25 paid vacation days and fully paid first-class commuting expenses.
Training opportunities and discounts on health insurance.
Extensive office perks, including breakfast and lunch, world-class barista coffee, sports and leisure activities, Friday afternoon drinks, and weekly in-house chair massages.
Competitive relocation packages and visa sponsorship where necessary for expats.
WHO YOU ARE:
- A Software Engineer with a genuine and deep desire to write clean and correct code, combined with a strong interest in delivering architectural and strategic solutions, topped off with a considerable dose of realistic and sustainable pragmatism allowing you to simply get things done
- 4+ Years of experience (doesn't require experience in Finance)
- A solid grasp of computer science, knowing your algorithms, memory and concurrency models, CPU-architecture, operating systems and relational databases etc
- As our main body of software is written in C++ and runs on Linux, you will either need to have extensive experience in this language and platform or be more than willing to learn on the job. Next to C++, we also extensively use Python, C# and other languages in Optiver, and you are therefore expected to be willing and able to learn new languages quickly
- We are looking for both senior and junior brilliant minds. If you feel comfortable with the characteristics outlined above, we strongly encourage you to apply!
WHO WE ARE:
At Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.
HOW TO APPLY:
Are you interested in furthering your career on one of the most dynamic and exciting trading floors in Europe?
Apply directly via the form below for the position of Core Software Engineer. If you are selected from your application to proceed to the next round for the position of Core Software Engineer, you will be required to take an online assessment. If you have any questions feel free to contact our Recruitment team via our recruitment inquiry form.
Please note:
- We cannot accept applications via email for data protection reasons.
- We do not require any assistance from third-parties including agencies in the recruitment of this role.
Optiver's standard text
DIVERSITY STATEMENT:
Optiver is committed to diversity and inclusion.
What this role asks for
Particular to this role
C#
Rare in Optiver's other 92 open postings.
Standard for software engineering roles
Python
Common in software engineering postings at any company.
97% of this description is written for the role. The rest is Optiver's standard text, folded away below.
Compared with Optiver's other open jobs.
The team: Software HIRES STEADILY
This role is one of 32 open in Software. 3 were posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
C++ (24 of 32), Python (22 of 32), Machine Learning (9 of 32), C (8 of 32), Java (8 of 32), C# (5 of 32), Linux (5 of 32)
OTHER ROLES ON THIS TEAM
- Software Engineer (C++) - Derivatives posted Oct 22
- Software Engineer - Agentic SDLC posted Oct 8
- Data Operations Engineer posted Oct 7
- Senior Software Engineer posted Aug 20
- Senior Software Engineer posted Aug 18
- Senior Software Engineer posted Aug 18
- Software Engineer Internship (2027 Start) posted Aug 17
- Software Engineer Internship (2027 Start) posted Aug 17
- 2027 Shanghai Software Developer Summer Internship posted Aug 12
- 2027 Shanghai Machine Learning Engineer Summer Internship posted Aug 12
- Software Engineer - Build Platform posted Aug 12
- Lead Quantitative Engineer posted Aug 11
- AI Engineer posted Aug 3
- Software engineer - Real-Time Pricing posted Jul 22
- Senior Software Engineer - Research Platform posted Jul 15
- Quantitative Developer - Pricing Data posted Jul 14
- Software Engineer - Research Infrastructure posted Jul 10
- Software Engineer Intern (Summer 2027 - Austin) posted Jul 1
- Software Engineer Intern (Summer 2027 - Chicago) posted Jul 1
- Software Engineer - Trading Strategies posted Jun 26
- Senior Software Engineer – Critical Engineering posted Jun 2
- Software Engineer posted May 29
- Software Engineer - Equities/ETFs posted Apr 24
- Software Engineer - C++ posted Apr 24
- Senior Software Engineer C++ posted Apr 23
- Data Operations posted Mar 24
- Expressions of Interest - Graduate Software Developer 2027 posted Mar 6
- Software Engineer - Research Platform posted Jan 22
- Data Support Engineer posted Nov 28
- Software Engineer - Research Platform posted Sep 25
- AI Engineer posted Apr 22
From the team and dates on Optiver's own job board.
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