--- title: 'Software Engineer (ID Verification - Machine Learning team) at Seon' canonical: 'https://feeny.ai/job/software-engineer-id-verification-machine-learning-team-seon-budapest-a80pgfyj69ar' type: 'job' last_seen: '2026-09-06' --- # Software Engineer (ID Verification - Machine Learning team) at Seon - **Company:** Seon - **Location:** Budapest, Hungary - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-08-31 - **Last confirmed live:** 2026-09-06 - **Apply:** https://jobs.ashbyhq.com/seon/0516f334-0d09-4932-af59-8df1a7e7e0fc ## Job description SEON is the command center for fraud prevention and AML compliance, helping thousands of companies worldwide stop fraud, reduce risk and protect revenue. Powered by 900+ real-time, first-party data signals, SEON enriches customer profiles, flags suspicious behavior and streamlines compliance workflows - all from one place. SEON provides richer data, more flexible and transparent analysis, and faster time to value than any other provider on the market. We’ve helped companies reduce fraud by 95% and achieve 32x ROI, and we’re growing fast, thanks to our partnerships with some of the world’s most ambitious digital brands like Revolut, Wise, and Bilt. As a Software Engineer embedded in our IDV ML team you bring strong, hands-on software engineering to a team of machine learning engineers. You act as the bridge between ML research and production-grade software. SEON relies on a product-led growth approach. ## WHAT YOU’LL DO: - Contribute to the ID Verification ML team, building in-house ML solutions - Deliver high-quality NodeJS, TypeScript and Python code with simplicity, performance and scalability in mind - Design, build, and maintain ETL/data pipelines that turn raw data into clean, labeled, versioned training datasets - Build and operate data-intensive backend services across training and eval workflows - Support ML model packaging, delivery, and serving into production - Partner closely with machine learning engineers to translate research prototypes into high-quality, well-tested, production-ready code - Provide expertise, review pull requests and help raise engineering practice across a fast-moving, research-heavy team - Design technical implementations, break down features into development stories, and provide estimates - Mentor colleagues, foster a culture of continuous learning, and recommend new approaches to improve team engineering practices - Participate in hiring interviews, providing technical assessment and team-fit review - Handle sensitive data with rigor: data residency and compliance are first-class engineering concerns ## WHAT YOU’ll BRING: - 5+ years of software engineering experience (NodeJS, TypeScript, React, Python, REST, RDBMS, NOSQL) backend systems or similar stacks - Comfort operating in a research-adjacent, evidence-driven environment - Passion for building the scalable data pipelines that empower our ML engineering efforts. - Agile & iterative mindset (end-to-end ownership; you build it, you run it) - Experience with cloud data/ML infrastructure, AWS preferred - Experience with containerization (Docker) and Kubernetes - Understanding of data modeling across both relational and unstructured data - Strong experience in automated testing - Excellent problem-solving skills - English language proficiency SEON Technologies collects and processes personal data in accordance with applicable data protection laws. If you are a European Job Applicant see the privacy notice https://apply.workable.com/seon-technologies-1/gdpr_policy?lng=en for further details. SEON is an equal opportunity employer. We strive to embrace what makes each one of us unique; we each have our own story. Whether looking at our current staff or future team members, we believe that everyone has something to contribute, and our employment practices reflect that. We do not make an employment decision based upon race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. Please let your recruiter know if you need reasonable adjustments to our recruitment process. ## About Seon ## Company Overview - **One-liner**: SEON provides an AI-powered fraud prevention and AML compliance platform that uses over 900 real-time data signals to help businesses detect hidden threats, automate compliance, and deliver seamless customer experiences. - **Entity Type**: Private (Series C; $187mn total funding) - **Headquarters**: Budapest, Hungary (with offices in Austin, London, Jakarta, and Singapore) - **Founded**: 2017 - **Founders**: Tamás Kádár and Bence Jendruszák ## Core Business - **Primary industries**: Fraud prevention, AML compliance, identity verification, risk management - **Target customers**: B2B – fintech, payments, eCommerce, iGaming, and other online businesses - **Mission**: “Redefine global fraud prevention by safeguarding the entire customer journey, allowing businesses to operate confidently and stay ahead of evolving risks.” [seon.io/about-us](https://seon.io/about-us/) ## Products & Services - **AI Fraud Prevention Platform**: Real-time risk scoring using 900+ first-party signals, device intelligence, behavioral analysis, and customizable rules/ML models. Covers pre-onboarding, onboarding, payments, and post-login activity. (SaaS) - **AML Compliance Suite**: Automated AML screening, suspicious activity report (SAR/STR) generation, regulatory reporting, case management, and network analysis to detect money laundering rings. (SaaS) - **Identity Verification**: Document, selfie, and address verification enriched with fraud signals to accelerate onboarding of legitimate users. (SaaS) - **AI Tools & Automation**: AI rules builder, model tuning, score explainability, context-rich summaries, and AML screening agent that cross-validates hits. [seon.io](https://seon.io/) ## Market Standing - **Valuation/Market Cap**: Not publicly available - **Key Metric**: Total funding of $187mn (Series C led by Sixth Street); has prevented over $300bn in fraud and money laundering; serves 5,000+ businesses globally. - **Notable Investors/Partners**: Sixth Street (lead investor, Series C); global partner program launched in 2025. - **Growth Signals**: Grew from 200 to 300+ employees between 2024 and 2026; opened offices in London (2025) and Singapore (2026); launched identity verification and opened data layer to external AI tools (2026); daily transactions secured exceed 15 million. [seon.io/about-us](https://seon.io/about-us/) [linkedin.com](https://www.linkedin.com/company/seon-tech) ## Competitive Advantages - **Data breadth**: 900+ first-party real-time signals (device, IP, email, behavioral) that other tools miss. - **Speed of implementation**: Average 14 days from deployment to impact, with hands-on support. - **Transparent AI**: Every decision is explainable and auditable – users see which signals drove the risk score. - **End-to-end coverage**: Single platform covers fraud prevention, AML, identity verification, and regulatory reporting across the customer lifecycle. - **Flexible analysis**: Supports both rules-based and AI-driven approaches with full customisation. [seon.io](https://seon.io/) ## Strategic Focus - **AI-driven efficiency**: Cutting manual review time by up to 50% through automated case summaries, model tuning, and AI-generated regulatory reports. - **Global expansion**: New offices in APAC (Singapore) and EMEA (London) to serve a growing international customer base. - **Platform extensibility**: Opening data layer to third-party AI tools and building a partner ecosystem. - **Identity verification launch**: Expanding from fraud detection into identity assurance to cover the full onboarding journey. [seon.io/about-us](https://seon.io/about-us/) ## Why Work Here - **Culture**: “No hierarchy,” open communication, transparency, customer obsession, innovation, and ownership. [seon.io/careers](https://seon.io/careers/) - **Work policy**: Hybrid – encouraged to work from home a few days per week, with office collaboration the rest. - **Perks**: Flexible hours, private health insurance, enhanced parental leave, employee assistance & mental health support, ESOP (employee stock ownership plan), weekly language courses (40+ languages), learning & development budget. - **Team**: 300+ employees across the Americas, EMEA, and APAC; 120+ R&D engineers; strong emphasis on impact and autonomy. - **Growth**: Rapidly scaling company with clear career progression and exposure to cutting-edge AI/ML fraud-fighting technology. [seon.io/careers](https://seon.io/careers/) [apply.workable.com](https://apply.workable.com/seon-technologies-1/) ## Sources 1. [seon.io – Product overview](https://seon.io/) 2. [seon.io/careers – Careers & perks](https://seon.io/careers/) 3. [seon.io/about-us – Mission, milestones, team](https://seon.io/about-us/) 4. [linkedin.com – Company page](https://www.linkedin.com/company/seon-tech) 5. [apply.workable.com – Open positions (archived)](https://apply.workable.com/seon-technologies-1/) ## Other roles at Seon - [Senior Database Administrator](https://feeny.ai/job/senior-database-administrator-seon-budapest-ga7r6edryr5e) — Budapest, Hungary - [Test Engineer](https://feeny.ai/job/test-engineer-seon-budapest-kpxweqt7e7mg) — Budapest, Hungary - [Senior Software Engineer (Customer Platform Team)](https://feeny.ai/job/senior-software-engineer-customer-platform-team-seon-budapest-zhsrjzvngkp4) — Budapest, Hungary - [Workplace Front Desk Coordinator (Part -Time)](https://feeny.ai/job/workplace-front-desk-coordinator-part-time-seon-budapest-2c8c7w1wg7rx) — Budapest, Hungary - [Instructional Designer](https://feeny.ai/job/instructional-designer-seon-united-states-jxg5rb3vn80s) — United States - [Senior Software Engineer (ID Verification Team)](https://feeny.ai/job/senior-software-engineer-id-verification-team-seon-budapest-rmskcvhf7tvx) — Budapest, Hungary - [Lead Competitive Intelligence Manager](https://feeny.ai/job/lead-competitive-intelligence-manager-seon-united-states-frqfh41b9mtf) — United States - [Senior Motion Designer](https://feeny.ai/job/senior-motion-designer-seon-budapest-2sxts8wgjvrn) — Budapest, Hungary - [Senior Revenue Operations Lead](https://feeny.ai/job/senior-revenue-operations-lead-seon-budapest-xd5ncvgbay5y) — Budapest, Hungary - [Senior Account Manager](https://feeny.ai/job/senior-account-manager-seon-london-rcxbdycz5v12) — London, United Kingdom