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Optiver is looking for a Senior Digital Assets Software Engineer to join our Digital Assets Tech Team in London. In this role, you’ll build and evolve trading systems for cryptocurrency markets, working closely with traders and researchers to deliver solutions in a fast-moving and constantly changing environment. You’ll play a key role in building out our digital assets platform, helping shape both the technology and engineering practices from the ground up. You’ll work side-by-side with traders and researchers, iterating quickly on ideas and translating market insights into production systems. From integrating with major centralised exchanges to improving system reliability in real-world conditions, your work will directly impact how we trade in this rapidly growing space. What you’ll do Design and build trading systems for digital asset markets Develop and manage connectivity to centralised exchanges such as Binance, Deribit, and OKX Work directly with traders and researchers to prototype and iterate on trading strategies Improve system reliability through automation, monitoring, and robust recovery mechanisms Troubleshoot issues across trading systems and exchange integrations Contribute to architecture and help shape the digital assets platform Take ownership of production systems and drive continuous improvements Who you are 5+ years of experience in software engineering, ideally in trading, crypto, or other real-time systems Strong C++ development skills, with experience building reliable production systems Hands-on experience integrating with centralised cryptocurrency exchanges (e.g., Binance, Deribit, OKX) Experience working with cloud technologies (e.g., AWS, GCP, or similar) is a plus Good understanding of distributed systems, networking, and failure handling Strong problem-solving skills and ability to operate effectively in fast-paced environments Comfortable working in a highly collaborative environment, partnering directly with traders and researchers Able to translate ambiguous trading requirements into practical engineering solutions Ownership-driven mindset with a focus on building resilient systems Who we are At Optiver, our mission is to continuously improve the market. By providing liquidity and accurate pricing in various financial instruments, to multiple exchanges across the world, we participate in the safeguarding of healthy and efficient markets. 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, enabling all of our employees to benefit from our global profit pool. 27 paid vacation days plus all UK public holidays. Daily breakfast and lunch, along with support on commuting expenses. Private medical insurance, pension scheme, and ClassPass fitness membership. Training and continuous learning opportunities, including access to conferences and tech events. International transfer opportunities for global career growth. How to apply Apply directly via the form below. If you have any questions feel free to contact our Recruitment team via recruitment@optiver.com. Please note: We do not require any assistance from third-parties including agencies in the recruitment of this role We cannot accept applications via email Diversity statement Optiver is committed to diversity and inclusion .
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.