Analyze complex Web3 security cases to extract recurring attack patterns and build comprehensive SOPs.
Proactively identify operational gaps and propose systematic improvements to enhance team efficiency.
Partner with AI agents to crystallize security insights into a high-quality knowledge base for faster response.
Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. Trusted by over 300 million people across 100+ countries, we are a fast-paced, user-centric organization with a flat structure and a focus on innovation.
Analyze large-scale on-chain data to identify anomalous transactions and develop robust detection mechanisms.
Use community discovery algorithms to identify associated malicious accounts and provide actionable intelligence.
Utilize supervised and unsupervised machine learning to detect irregular patterns across decentralized networks.
Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume. We are trusted by 300+ million people in 100+ countries and offer a range of products from trading and finance to education and Web3 features.
Design and develop server-side systems for the GEO tech team, owning core backend module implementation.
Build and maintain automation tools and data pipelines supporting large-scale data processing.
Collaborate with cross-functional teams to align requirements and define technical solution boundaries.
We are a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange by trading volume and registered users. Trusted by over 300 million people in more than 100 countries, we are committed to advancing the freedom of money and improving financial access.
Design and architect scalable, secure, and high-performance backend systems for Netomi's core platform.
Build and optimize low-latency applications capable of handling high-throughput workloads using Java, Spring Boot, and AWS.
Lead technical design discussions, mentor engineers, and drive engineering excellence across the team.
Netomi is the leading agentic AI platform for enterprise customer experience, helping global brands automate customer journeys. Backed by WndrCo, Y Combinator, and Index Ventures, they are a growing company focused on AI-driven innovation and engineering excellence.
Design and implement secure application architectures considering authentication, authorization, data protection, and vulnerability management.
Develop and maintain secure coding guidelines, conduct security reviews, and implement security controls.
Communicate security risks to stakeholders and provide guidance on secure coding practices.
Binance is a leading global blockchain ecosystem behind the world’s largest cryptocurrency exchange. With over 300 million users in 100+ countries, it offers a diverse, fast-paced, and innovative work environment.
Design, build, and scale backend services and APIs for Flex's core financial infrastructure, including payments and ledger systems.
Drive end-to-end delivery of high-impact initiatives from requirements to operational excellence.
Partner with cross-functional teams including Product, Finance, Risk, and Compliance to build scalable, compliant payment experiences.
Flex is a growth-stage FinTech company creating a better rent payment experience by allowing users to pay rent on a schedule that fits their budget. The company has a global team across the US, Australia, Canada, and South America, and fosters an inclusive culture with a focus on deliberate growth.
Build backend services and APIs for onboarding, accounts, payments, cards, transfers, rewards, travel, FX, KYC and risk flows.
Design reliable systems that can support real customer transactions, operational workflows and future financial products.
Integrate with internal systems, financial partners, payment providers, AI services and third-party platforms.
BJAK is a mobile-first insurance platform enabling insurance accessible online, and now expanding to spending, saving, investing, and more. Founded in 2019, the company has a global team of over 20 nationalities and seeks talented, driven individuals who work for passion.
Conduct technical research on new blockchain and DeFi projects to identify architecture risks and security gaps.
Deconstruct attack logic and exploit techniques to develop actionable detection rules and security strategies.
Collaborate with the wallet team to implement security measures balancing robust protection with user experience.
Binance is a leading global blockchain ecosystem behind the world's largest cryptocurrency exchange by trading volume and registered users. They are trusted by over 300 million people in 100+ countries and offer a diverse, inclusive work environment with a flat structure.
Design and scale backend services powering Flex's core financial infrastructure, including payments, billing, and ledger systems.
Lead architecture of highly available, fault-tolerant financial platforms processing millions in transactions.
Partner with Product, Finance, Risk, Compliance, and Engineering teams to deliver scalable payment experiences.
Flex is a growth-stage FinTech company that creates the best rent payment experience, enabling users to pay rent on a flexible schedule. With unprecedented investor support and an enthusiastic user base, Flex fosters an inclusive culture with a diverse team across the US, Australia, Canada, and South America.
Design and develop scalable backend services and APIs for identity verification and security workflows.
Own database architecture, schema design, and query optimization for reliable system performance.
Partner with product and design teams to deliver secure, customer-focused features.
Our partner builds identity verification and account protection solutions for a fast-growing platform. They operate as a remote-first engineering team with a collaborative culture.
Build backend services that power claims automation workflows end-to-end.
Design and implement logic for claims submission, validation, assessment, approval and payout processes.
Integrate with insurer systems, internal workflow engines and external data sources.
BJAK builds automation systems that help customers move through insurance journeys faster. They are a global engineering team working across multiple countries with a focus on high-impact engineering and a modern engineering culture.
Design and build highly scalable platform services to improve reliability and performance of the Chainlink Runtime Environment (CRE).
Lead development of production-grade backend services and APIs supporting multiple internal stakeholders and platform consumers.
Drive architectural improvements enabling vertical and horizontal platform scaling while improving workflow execution durability and resilience.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering decentralized finance (DeFi). Chainlink Labs, the core developer, is a large global organization with a remote-first culture, tens of billions in transaction value, and partnerships with major financial institutions.
Design and build scalable backend systems, APIs, and data pipelines for the vulnerability intelligence platform.
Own services end-to-end including architecture, development, deployment, and operation.
Lead technical design discussions and contribute to system architecture decisions while mentoring junior engineers.
VulnCheck transforms vulnerability intelligence by helping security teams act faster with more confidence. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a fast-growing team of experts.
Design and deliver large-scale, real-time systems with high quality, scalability, and operability.
Collaborate with product management, data engineering, and teams to bring end-to-end solutions to customers.
Take operational ownership using monitoring and observability tools to identify and respond to issues.
Signifyd helps merchants grow their businesses by building trusted relationships and providing fraud-free commerce solutions. We securely process billions of transactions annually and foster a culture of commitment, empathy, and creativity.
Collaborate with cross-functional teams to design and implement complex backend solutions using Java Spring Boot.
Write maintainable, scalable code following best practices and stay up-to-date with latest frameworks.
Develop, test, and deploy backend solutions, providing ongoing maintenance and support documentation.
KTO is an iGaming company founded in 2018, offering online sports betting and casino entertainment with a proprietary platform. They are a rising leader in LATAM, ranked among Brazil's top 10 iGaming brands, and foster a culture of innovation, transparency, and diversity.
You will triage, diagnose, and fix customer-reported bugs across backend services.
You will build tooling and automation that let customers and internal teams self-serve answers.
You will work directly with customers to understand blockers and decide whether the fix is a patch, tool, or process change.
Harmonic Security governs AI usage across enterprises, providing real-time visibility and control to minimize risk. They are a small, fast-growing startup backed by N47, Ten Eleven Ventures, and In-Q-Tel, with a high-trust culture and recognition in the Rising in Cyber 2026 list.
Design and implement APIs, services and workflows for quote, policy issuance, renewals, endorsements and claims.
Improve APIs, queues, background jobs, retries and asynchronous processing pipelines.
BJAK builds automation systems that help customers move through insurance journeys faster, from quote to policy issuance to claims. They are a global team focused on scalable engineering and international exposure.
Drive adoption of Chainlink products in capital markets by building relationships with major institutions and providing technical guidance.
Lead requirements gathering, project scoping, and design of innovative solutions using Chainlink for capital markets use cases.
Contribute to product strategy by providing market feedback and collaborating with Sales, Marketing, Product, Engineering, and Legal.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering decentralized finance. The team has enabled tens of trillions in transaction value and works with global financial institutions and top protocols.
Build backend services, APIs and workflows for the finance super app.
Support products across insurance, payments, wallet, savings, investing, travel and financial services.
Design reliable systems for user accounts, transactions, partner integrations, reconciliation, notifications and operations.
BJAK is a mobile-first insurance platform in Southeast Asia, now expanding into spending, saving, investing, and more. With over 20 nationalities working globally, they seek talented and driven people who love building next-generation products.
Build backend services that power policy issuance automation end-to-end.
Design and implement logic for policy creation, validation, issuance and lifecycle updates.
Integrate with insurer systems, internal workflow engines and external APIs.
BJAK builds automation systems that help customers move through insurance journeys faster. The company operates remotely with a global engineering team.