Software Engineer, Portfolio Engineering

Institutional Fabric for the Digital Asset Market Founded in 2018, Talos provides institutional-grade trading technology for the global digital asset market, powering many of the major players in the crypto ecosystem. Our mission is clear: to advance the mass adoption of digital assets by seamlessly connecting institutions to the digital asset ecosystem. We are committed to building the most innovative and trusted platform in the world, supporting the entire trading lifecycle. At Talos, you’ll find an environment that champions kindness and respect, values diverse perspectives, and upholds inclusivity at every turn. We believe every member of our team brings invaluable insights and abilities that drive Talos forward. In our pursuit of excellence, we foster a culture of trust, integrity, collaboration, and mutual growth. We are a tight-knit yet globally distributed team of highly experienced engineers and business leaders, with hubs in New York, London, Singapore, and Cyprus. Whether in-office or remote, you’ll be part of a hybrid-friendly environment where your unique talents and insights will play a crucial role in building something extraordinary. Software Engineer, Portfolio Engineering Talos is seeking a Software Engineer to join the Portfolio Engineering team. This team builds the systems that power institutional portfolio construction, optimization, risk modeling, and systematic strategy deployment across digital assets. The Portfolio Engineering platform integrates directly with the Talos OEMS, enabling clients to design, validate, and execute investment strategies within a unified, production-grade environment. You will contribute to core systems that require correctness, performance, and scalability. Responsibilities Design and implement core components of the Portfolio Engineering platform, including the backtester, portfolio optimizer, rebalancer, and reporting engine. Own features end-to-end: requirements definition, technical design, implementation, testing, and documentation. Develop high-performance backend services primarily in Java, with supporting Python components. Contribute to distributed, cloud-native systems deployed across AWS and GCP. Ensure systems meet production standards for reliability, scalability, and performance. Collaborate cross-functionally with Product, Quant, and Client teams to deliver institutional-grade solutions. Qualifications 5+ years of experience building backend systems in Java. Strong understanding of concurrency, high-throughput system design, and distributed architectures. Experience developing REST and WebSocket services. Proficiency with SQL databases and modern development workflows (Git, CI/CD, Jira). Experience working in cloud environments (AWS or GCP). Preferred Exposure to Python data libraries (NumPy, pandas). Familiarity with portfolio construction, risk modeling, or systematic trading systems. Understanding of regression techniques, time-series analysis, or constraint-based optimization concepts. Check out these videos and links to learn more about Talos and our culture: Spotlight Article: Talos Snapshot by DRW Podcast: 2023 episode with co-founders Anton & Ethan Website: Explore Talos: Products, Investors, Team & More Case Studies: Real world examples of client solutions Awards: Talos Wins Hedgeweek Global Digital Assets Award 2024 Culture: Award-winning, Forbes-listed, low-attrition team Andreessen Horowitz re: Talos: "The company best suited to drive institutional adoption is one that understands traditional capital markets deeply and is forward-thinking enough to fully grasp the promise of crypto. Talos is that company." Benefits You will also enjoy a comprehensive array of competitive benefits, regardless of your location, within our warm, welcoming, and ambitious company culture. Our offerings include a monthly wellness credit for personal use, such as gym memberships, massages, or even a ski pass for your next holiday. Additionally, we provide paid lunches in the office, monthly fitness and evening socials to foster connections with colleagues, and annual offsite events to engage with the wider team. Talos is proud to be an Equal Opportunity employer.  We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.  Talos is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process.  If you need any assistance or accommodations due to a disability, please let us know at [email protected] . To protect the interests of all parties, Talos Trading, LLC and its affiliates (“Talos”) strongly discourage submission of unsolicited resumes from any source other than directly from a candidate . Talos will NOT pay fees, commissions or compensation of any kind (“Fees”) for any placement or hire resulting from the receipt of an unsolicited resume. Talos will consider any candidate for whom an Agency has submitted an unsolicited resume to have been referred by the Agency free of any charges or fees and Talos reserves the right to contact, interview, and hire the candidate directly. Agencies, search firms, recruitment firms and similar organizations (“Agencies”) must obtain advance written approval from Talos’s internal recruiting team to submit resumes, AND must sign a valid fully executed placement agreement with Talos in order to be eligible to receive any Fees from Talos. Talos will not pay a Fee to any Agency that does not have such agreement in place.  By submitting a resume without a signed agreement, you acknowledge and accept these terms. © Talos Trading, [email protected] By submitting your application and pursuing job candidacy, you consent to the processing of your personal information in connection with our Applicant & Employee Privacy Notice .

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