Back-End Team Leader - Server Group @ BioCatch | Joule Ventures Job Board
About this role
Joule Ventures Job Openings at Joule Portfolio Companies Israeli Founders Scaling in the U.S. • jobs · • companies Description BioCatch is the leader in Behavioral Biometrics, a technology that leverages machine learning to analyze an online user’s physical and cognitive digital behavior to protect individuals online. BioCatch’s mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease coexist. Today, 34 of the world's largest 100 banks and 210 total financial institutions rely on BioCatch Connect™ to combat fraud, facilitate digital transformation, and grow customer relationships.. BioCatch’s Client Innovation Board, an industry led initiative including American Express, Barclays, Citi Ventures, and National Australia Bank, helps BioCatch to identify creative and cutting edge ways to leverage the unique attributes of behavior for fraud prevention. With over a decade of analyzing data, more than 80 registered patents, and unparalleled experience, BioCatch continues to innovate to solve tomorrow’s problems. For more information, please visit www.biocatch.com . We are looking for a talented, tech-driven Leader with a strong entrepreneurial spirit to head one of our backend teams. In this role, you will remain deeply hands-on, driving technological agendas, architectural decisions, and system-wide optimizations. Our teams take full end-to-end ownership over their domains, balancing high-quality feature delivery with deep engineering excellence. If you are passionate about building robust systems, love solving complex technical challenges at scale, and have the inner calm to lead through growth and change, this is the place for you. What You’ll Do: Lead & Mentor: Foster a self-driven team culture, mentor experienced developers, and provide constructive feedback. Stay Deeply Hands-On: Work closely with the code, designing and building low-latency, high-concurrency server-side components. Own the Architecture: Drive architectural decisions and resolve complex challenges (performance, scalability, infrastructure costs). Champion AI Adoption: Implement AI-driven development methodologies to elevate the team’s productivity. Requirements 5+ years of hands-on server-side programming experience. 3+ years of proven experience as a Software Team Lead or Tech Lead. Deep experience with production-critical, high-traffic environments (Low SLA / High Availability). Strong hands-on orientation with a passion for backend infrastructure and performance optimization. Calm, confident leadership style with excellent communication and conflict-resolution skills. BSc in CS/EE/Math, military experience in an elite tech unit, or equivalent practical experience. Full proficiency in Hebrew and English. Advantages (Nice to Have): Experience with Python or Rust (and a strong desire to develop in Rust). Experience with AKS (Azure), Microservices, Kafka, Redis, RabbitMQ, Postgres, and CI/CD. Track record of adopting AI tools/methodologies within engineering teams. ","datePosted":"2026-06-05T11:57:33.766Z","validThrough":"2026-11-22","employmentType":[],"hiringOrganization":{"@type":"Organization","name":"BioCatch","description":"BioCatch is the leader in Behavioral Biometrics, which analyzes an online user’s physical and cognitive digital behavior to protect individuals and their assets. Our mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease seamlessly co-exist. Leading financial institutions around the globe use BioCatch to more effectively fight fraud, drive digital transformation, and accelerate business growth. With over a decade of analyzing data, over 60 patents, and unparalleled experience, BioCatch continues to innovate to solve tomorrow’s problems. For more information, please visit www.biocatch.com.","numberOfEmployees":405,"address":[{"address":{"@type":"PostalAddress","addressLocality":"Mumbai, Maharashtra, India"}},{"address":{"@type":"PostalAddress","addressLocality":"São Paulo, SP, Brazil"}},{"address":{"@type":"PostalAddress","addressLocality":"Mexico City, Mexico"}},{"address":{"@type":"PostalAddress","addressLocality":"Singapore"}},{"address":{"@type":"PostalAddress","addressLocality":"Tel Aviv-Yafo, Israel"}},{"address":{"@type":"PostalAddress","addressLocality":"Jaffa, Tel Aviv-Yafo, Israel"}},{"address":{"@type":"PostalAddress","addressLocality":"London, UK"}},{"address":{"@type":"PostalAddress","addressLocality":"New York, NY, USA"}},{"address":{"@type":"PostalAddress","addressLocality":"Ezor Tel Aviv, Israel"}},{"address":{"@type":"PostalAddress","addressLocality":"Sydney NSW, Australia"}}],"sameAs":"https://biocatch.com","url":"https://biocatch.com","logo":"https://cdn.getro.com/companies/b59f7f55-e7ea-45e5-8168-a7decb037b2e-1761788734","keywords":"Analytics, Apps, Artificial Intelligence, Biometrics, Business And Industrial, Computer and Network Security, Cybersecurity, Cyber Security, Data & Analytics, Decision/Risk Analysis, Enterprise Software, Financial Services, Fintech, Fraud Detection, Identity and Access Management, Information Security, Information Technology, Mobile, Mobile Apps, Network Management Software, Network Security, Payments, Platform, Privacy and Security, Security, Software, Technology, Web Apps"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Israel"}}} Back-End Team Leader - Server Group BioCatch Software Engineering Israel Posted on Jun 5, 2026 Apply now Back-End Team Leader - Server Group Software Platform Israel - TLV Management Full-time Description BioCatch is the leader in Behavioral Biometrics, a technology that leverages machine learning to analyze an online user’s physical and cognitive digital behavior to protect individuals online. BioCatch’s mission is to unlock the power of behavior and deliver actionable insights to create a digital world where identity, trust, and ease coexist. Today, 34 of the world's largest 100 banks and 210 total financial institutions rely on BioCatch Connect™ to combat fraud, facilitate digital transformation, and grow customer relationships.. BioCatch’s Client Innovation Board, an industry led initiative including American Express, Barclays, Citi Ventures, and National Australia Bank, helps BioCatch to identify creative and cutting edge ways to leverage the unique attributes of behavior for fraud prevention. With over a decade of analyzing data, more than 80 registered patents, and unparalleled experience, BioCatch continues to innovate to solve tomorrow’s problems. For more information, please visit www.biocatch.com . We are looking for a talented, tech-driven Leader with a strong entrepreneurial spirit to head one of our backend teams. In this role, you will remain deeply hands-on, driving technological agendas, architectural decisions, and system-wide optimizations. Our teams take full end-to-end ownership over their domains, balancing high-quality feature delivery with deep engineering excellence. If you are passionate about building robust systems, love solving complex technical challenges at scale, and have the inner calm to lead through growth and change, this is the place for you. What You’ll Do: Lead & Mentor: Foster a self-driven team culture, mentor experienced developers, and provide constructive feedback. Stay Deeply Hands-On: Work closely with the code, designing and building low-latency, high-concurrency server-side components. Own the Architecture: Drive architectural decisions and resolve complex challenges (performance, scalability, infrastructure costs). Champion AI Adoption: Implement AI-driven development methodologies to elevate the team’s productivity. Requirements 5+ years of hands-on server-side programming experience. 3+ years of proven experience as a Software Team Lead or Tech Lead.
What this role is, and what else it is called
Employers in London advertise this kind of work as Software Engineer, Senior Software Engineer, Web Developer and Full Stack Developer too, so it is worth searching more than one wording. It is a mid-level Software Engineering role in London, advertised as on-site.
How this role compares to the market
1,965 live UK roles list Python right now, from 584 employers. The median advertised salary is £80,000; 30% are advertised as remote. Browse Python roles.
285 live UK roles list Rust right now, from 64 employers. The median advertised salary is £100,000; 65% are advertised as remote. Browse Rust roles.
London has 4,324 live IT vacancies across 1,366 employers, with a median advertised salary of £70,000. Browse London roles.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Joulevc's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site. More IT jobs in London.