Security Engineer

About UsAt CryptoNext Security, we are at the forefront of cybersecurity innovation, specializing in post-quantum cryptography solutions. Our mission is to safeguard the critical data of some of the world's largest enterprises and governments against the rising threats posed by quantum computing. As recognized leaders in our field, we collaborate with banks, security institutions, and government entities to deploy our state-of-the-art solutions through advanced technology projects. If you aspire to be part of a pioneering team and contribute to making the world a safer place, CryptoNext is the ideal environment to elevate your skills.Being a rapidly growing organization, we are constantly seeking visionary individuals who offer fresh perspectives, extensive technical expertise, and a genuine passion for cybersecurity. CryptoNext provides a vibrant workplace where talent converges with opportunity, and we are building a diverse pipeline of skilled and motivated professionals who may not find their ideal role advertised today but are eager to make a significant impact on our journey.Areas of Interest:We welcome speculative applications from talented individuals in the following fields: Cryptography & Research: In-depth knowledge of post-quantum cryptography, cryptographic protocols, algorithm design, and side-channel analysis. Software & Embedded Development: Proficiency in low-level software development, secure boot, protocols, hardware security modules (HSMs), and tools such as mbedTLS and cross-compilers. We are also seeking experienced developers well-versed in software architecture. Project Management & Service Delivery: Proven experience in managing technical deployments within complex client environments, preferably with a focus on security and cryptography. Product & Innovation: A passion for developing products that address real-world challenges, coupled with an aptitude for product strategy and user experience. Sales & Marketing for Cybersecurity: An ability to effectively translate technical innovations into client value and a commitment to fostering relationships in high-tech sectors.

Are you struggling to find the perfect job opportunity? Don't worry! You can submit your resume to be considered for upcoming positions.How to Connect with Us:We encourage you to apply online for our job offers. Including a cover letter with your application will be greatly appreciated.Clipperton is committed to promoting diversity and is an Equal Opportunity Employer.We welcome applications from individuals regardless of race, color, age, religion, gender, sexual orientation, gender identity/expression, national origin, or disability.Your data will solely be used for recruitment purposes.About ClippertonClipperton is a premier investment bank specializing in technology and growth companies. We provide strategic and financial advisory services to entrepreneurs, corporate clients, and top-tier investors across Europe, facilitating transactions such as strategic mergers and acquisitions (M&A), private equity deals, and private placements.Established in 2003, Clipperton boasts offices in Paris, London, Berlin, Munich, New York, and Beijing, having successfully completed over 400 M&A and private placement transactions with dynamic technology startups, blue-chip corporations, and esteemed financial investors.Our Benefits Include:An innovative and open-minded work environmentEngagement with a robust deal pipeline and direct client interaction from day oneA steep learning curve supported by collaborative colleaguesA unique corporate culture fostering team spiritOffice locations in Paris, Berlin, and MunichAnd many additional perks that you can discover here

Ascendis Pharma is a pioneering global biopharmaceutical company dedicated to improving patients’ lives through innovative therapies. With our guiding principles centered on Patients, Science, and Passion, we leverage our groundbreaking TransCon® technology platform to develop therapies that meet critical unmet medical needs.Our headquarters are located in Hellerup, Denmark, with research facilities in Heidelberg, Germany, and offices across Europe and the United States. We are at the forefront of advancing programs in our Endocrinology, Rare Disease, and Oncology portfolios. We also engage in collaborations to develop TransCon-based products across various therapeutic areas and markets.If you are passionate about joining a dynamic team but do not see a suitable position listed, we invite you to join our talent pool. We are always on the lookout for skilled individuals to contribute to our expanding company. By submitting your resume, you will be considered for future opportunities.Ascendis Pharma offers diverse roles in departments such as Research & Product Development, Commercial, GCP & GVP, Medical and Regulatory Affairs, Human Resources, Finance and Investor Relations, Communications, and IT, among others.Please ensure your resume is submitted in English; all submissions will be treated confidentially.

About UsCryptoNext Security is a pioneering deeptech startup focused on post-quantum cryptography. We empower institutions and enterprises to navigate a future where quantum computing poses a threat to existing cryptographic standards. Our collaborations span major sectors including finance, defense, and telecommunications, as we deliver state-of-the-art, quantum-safe security solutions.Your RoleIn your capacity as a Full Stack Developer, you will play a key role in advancing DISCOVERY, our innovative observability and orchestration platform tailored for post-quantum cryptography operations.You will engage with the entire technology stack — developing backend services, managing data flows, and crafting frontend interfaces — while working closely with product, backend, and infrastructure teams.Responsibilities Design, develop, and maintain comprehensive full-stack features for the DISCOVERY platform. Create modern, responsive React front-ends that integrate seamlessly with Node.js and Kafka backends. Participate in architectural discussions and propose technical enhancements in line with our long-term product vision. Backend Development & APIs Design and implement efficient REST and event-driven APIs. Ensure optimal performance, scalability, and resilience across distributed components. Collaborate with backend engineers on domain modeling, API contracts, and data flows. Data Visualization & Observability Implement advanced data visualization and monitoring features using the ELK stack (Elasticsearch, Logstash, Kibana). Integrate backend logs, metrics, and analytics into user-friendly frontend dashboards. Engineering Standards Engage in code reviews and maintain high standards of engineering excellence. Contribute to technical documentation and advocate for software craftsmanship. Adhere to the KISS, DRY, SOLID principles, and embrace pragmatic engineering methodologies (“done is better than perfect”). DevOps & CI/CD Assist in deployment workflows, CI/CD pipelines, and automation initiatives. Work within Docker/Kubernetes environments to ensure smooth delivery of applications.

About KonvuAt Konvu, we are dedicated to revolutionizing the security landscape, making it so seamless that it becomes invisible. Our mission is to redefine vulnerability management in an increasingly autonomous world of AI.As artificial intelligence progresses to autonomously generate, test, and deploy code, traditional security measures struggle to keep pace. That's where Konvu's AI agents come into play. They analyze security concerns with the same expertise as seasoned engineers, expertly filtering out noise, verifying potential exploits with concrete evidence, and enabling teams to concentrate on what truly matters.Our agents integrate effortlessly into existing security tools and workflows, eliminating the need for disruptive changes. We empower teams with reliable, evidence-based insights, significantly reducing false positives and highlighting actionable vulnerabilities with confidence.Founded by pioneers from Sqreen (YC W18, acquired by Datadog), we leverage our deep technical expertise to create tools that developers and security teams find indispensable.Having secured $5M in Seed funding, we are supported by prominent venture capital firms in Europe and the US, along with industry leaders from Datadog, GitHub, Docker, Cloudflare, Sumo Logic, and Vanta.

About UsAt CryptoNext Security, we are pioneers in the realm of deep technology, focusing on post-quantum cryptography. Our innovative solutions empower businesses and institutions to safeguard their data against the impending challenges posed by quantum computing. We proudly collaborate with prominent clients across sectors such as finance, defense, and telecommunications.Your Daily ResponsibilitiesCraft and implement dynamic user interfaces utilizing React for our advanced post-quantum cryptography products.Work collaboratively with Product and Backend teams to deliver a seamless and user-friendly experience.Enhance performance while ensuring cross-browser and cross-device compatibility.Integrate REST APIs to facilitate interaction with backend services.Engage in code reviews and uphold best practices, including unit testing, continuous integration, and comprehensive documentation.Propose enhancements to frontend architecture through technological upgrades and refactoring.Foster improvements in our products beyond your typical responsibilities.Adhere to our frontend team principles: “Done over perfect” / we prioritize speed: KISS, DRY (Don't Repeat Yourself), SOLID.Essential SkillsProficient in React / Next.js along with its ecosystem (React Hooks, Context API).Solid understanding of TypeScript and fundamental programming principles.Experience with modern UI libraries such as Tailwind or chadcn/ui.Proven track record in integrating REST APIs.Strong knowledge of frontend performance optimization and related tools (Webpack, Vite, Core Web Vitals).Familiarity with frontend testing frameworks like Jest, React Testing Library, and Cypress.Competence in Git, CI/CD pipelines, and DevOps for automated integration and deployment.Desirable SkillsExperience with gRPC.Understanding of secure coding practices and application security.Basic knowledge of cryptography and cybersecurity.Experience in a startup or deeptech environment.Join Our TeamYou will become a key member of our R&D team, collaborating closely with backend developers, product managers, and UX/UI designers. You will report to the team lead and work with various departments to develop high-performance, user-centric interfaces that align with our clients' needs.Application ProcessInitial conversation with our HR team to discuss your background and motivations.Technical interview to assess your skills and fit for the role.

About HopaeAt Hopae, we are revolutionizing the concept of digital identity with a platform that prioritizes privacy and security, designed for real-world applications.We advocate for individual control over identity, breaking free from archaic systems and centralized authorities.Our cutting-edge technology facilitates instant and privacy-centric verification for individuals and businesses globally, spanning sectors such as fintech, credentials, supply chain, and gaming.Supported by leading global investors, Hopae has a presence in Seoul, Paris, and San Francisco, uniting extraordinary talent from over 10 different nationalities.We operate with agility, think on a global scale, and create products that are shaping the future of identity. Why You’ll Love Working at HopaeGlobal Collaboration: Collaborate with exceptional colleagues across our offices in Seoul, Paris, and San Francisco.Impactful Work: Contribute to technology that is redefining trust and identity on a global scale.Empowered Environment: Experience a culture of trust and accountability, free from micromanagement.High Standards: Thrive in a fast-paced environment with opportunities for accelerated learning and growth alongside world-class peers.Diversity & Inclusion: Join a team of over 10 nationalities, bringing diverse perspectives towards a unified mission.Continuous Growth: Benefit from mentorship, leadership exposure, and ongoing learning opportunities. Why Join Our Paris Talent Pool?We are always excited to connect with curious, driven, and kind individuals, even if there isn't a specific open position that perfectly matches your skills.Paris is the hub where European strategy is developed, regulatory expertise is applied, and global partnerships are formed. As the EU's digital identity landscape rapidly evolves—from eIDAS 2.0 to the European Digital Identity Wallet—Hopae is at the forefront of these developments.Whether your background is in tech, policy, business, design, or operations, if you are passionate about contributing to meaningful projects in one of Europe's most vibrant startup ecosystems, we want to hear from you. Potential Areas of ContributionBased on your expertise, you could:Join one of our core global functions—Engineering, Product, Design, Operations, Marketing, or Business.Assist in shaping Hopae's European regulatory and compliance strategy.

At Theodo HealthTech, we are continually on the lookout for exceptional talent to join our dynamic teams. If you don't find the perfect position among our current job listings, don't hesitate to reach out. We firmly believe that every unique skill set can significantly contribute to our success!

Are you driven by a passion for artificial intelligence and eager to transform the healthcare landscape? At Doctolib, we are at the forefront of developing innovative AI solutions aimed at enhancing access to care while improving the daily experiences of healthcare professionals and patients alike. Our talented AI/ML teams are engaged in groundbreaking projects, including medical natural language processing, recommendation systems, clinical process automation, and more.We are committed to using AI responsibly across our products to empower both patients and healthcare providers. Explore our AI vision here!

Kaluza invites professionals to join its talent community, even when there are no current openings that fit their experience. As a B Corp-certified energy intelligence platform, Kaluza focuses on accelerating the move toward a zero-carbon energy system. The company values people who help drive this mission. Who Can Join Kaluza welcomes interest from individuals with experience in several areas, including: Software engineering, artificial intelligence, and machine learning Product management and design Commercial roles, sales, and partnerships Operations and strategy How the Talent Community Works Submit a CV and a short note describing the type of work or position you are looking for. The talent acquisition team reviews each submission and keeps details on file for up to 12 months. Update your information at any time if your interests or experience change. What Happens Next This is not an application for a specific job, so there is no set timeline. If a suitable position becomes available that matches your background, the team will get in touch directly. Kaluza aims to acknowledge every submission and will reach out if a relevant opportunity arises. Locations Kaluza welcomes talent community submissions from those interested in Bristol, Edinburgh, Lisbon, London, Melbourne, or Paris.

Are you passionate about connecting top tech talent with exciting opportunities? As the Tech Talent Acquisition Lead at Pigment, you will play a pivotal role in shaping our team and driving our growth. You will be responsible for identifying, attracting, and hiring the best candidates in the tech industry, ensuring that we build a diverse and talented workforce that supports our innovative culture.Your strategic mindset and expertise in talent acquisition will help us identify key talent and create a seamless recruitment experience. You will collaborate closely with our leadership and hiring managers to understand their needs and ensure that our hiring processes reflect our company values.

At Outsight, we celebrate the spirit of initiative and welcome talented individuals who wish to join our dynamic team. If you are passionate about our mission and believe your skills can contribute to our goals, we encourage you to submit a spontaneous application.To apply, please upload your resume. Our dedicated recruitment team will carefully review your submission and will reach out if a suitable opportunity arises. Thank you for considering Outsight as your future employer. We look forward to connecting with you!

Are you an enthusiastic individual looking to kickstart your career in recruitment? Malt is seeking a motivated Talent Sourcer Intern to join our team in Paris for a 6-month internship. In this role, you will assist in identifying and engaging top talent for various positions within our fast-growing company.Your contributions will play a vital role in enhancing our talent acquisition strategies and ensuring we attract the best candidates.

At Theodo Apps, we are always on the lookout for exceptional talent to join our dynamic teams. If you don't see your ideal position among our current job listings, don't hesitate to reach out! We firmly believe that every unique talent has the potential to contribute to our success!

Join Our Team with a Spontaneous Application!Are you passionate about innovation and eager to contribute to a dynamic team? If you don’t find an open position that aligns with your skills but are excited about the prospect of working with us, we encourage you to submit a spontaneous application using the form below. We are always on the lookout for talented individuals who can help drive our mission forward.

About PreludePrelude is revolutionizing the way businesses onboard and authenticate users in a landscape where trust, speed, and conversion are paramount.Our solutions enable organizations to verify users with minimal friction, enhanced security, and cost-effectiveness, transforming authentication from a mere expense into a powerful growth catalyst. Our flagship product offers the most competitive price-to-conversion ratio for OTP codes, dynamically choosing the most efficient delivery method in real-time, from optimized SMS routing to popular messaging apps such as WhatsApp.Founded in 2022 and backed by premier venture capital firms, Prelude has swiftly established a solid product-market fit and robust financial standing, catering to rapidly growing companies across Europe while also penetrating the US market. Authentication is just the beginning.With a bold roadmap and an array of market-defining products in the pipeline, we are crafting a scalable platform for trust, empowering businesses to onboard users effortlessly, combat fraud intelligently, and expand globally with assurance.About the TeamOur founders, previous members of the Zenly team, encountered firsthand the challenges of existing authentication solutions. While developing products used by millions, we recognized the escalating costs, unreliability, and vulnerability to spam and fraud in SMS authentication, which ultimately led to the inception of Prelude.Today, we are a dedicated team of 40 and counting, based in Paris, creating products that enable secure and efficient user onboarding for businesses across Europe and the US. We believe that small, highly skilled teams can outperform larger, disjointed organizations, and we are committed to focusing on impact, quality, and speed.We maintain a flat organizational structure and prioritize in-person collaboration, which accelerates the flow of ideas, grounds decision-making, and ensures teams take full ownership of their creations.Our core values guide our daily operations:CareWe deeply care about our customers, our teammates, and the quality of our work.

AREA 17 is always on the lookout for exceptional talents who wish to collaborate with us on a freelance basis. We proudly refer to this network as a 'community' of talents, reflecting our commitment to building enduring relationships and welcoming familiar faces over time.We cherish the arts and culture, education and design, freedom of expression, and social progress. Our team crafts identities and digital products for esteemed museums, academic institutions, and design agencies. We develop editorial platforms across both public and private sectors, as well as for innovative start-ups, brands, and non-profit organizations.As a freelancer, you will be fully integrated into our teams, our work, and our mission. Just as we aim to create sustainable digital products for our clients, we aspire to foster lasting relationships with our freelance talents. Click the link to submit your contact information, and we will get back to you.

At Joko, our mission is to transform the shopping experience by empowering consumers to shop smarter, make informed decisions, and save money. Established in Paris, Joko is a certified B Corp and a cutting-edge tech company. Our vibrant team of over 90 talented individuals spans across Paris, Barcelona, and New York, and we proudly serve more than 5 million users who save money daily at over 10,000 merchants.Our innovative suite of products ranges from cashback opportunities and automatic coupon applications to price alerts and carbon tracking. We are diligently working on an AI-powered shopping assistant to guide users towards the best products based on price, quality, and environmental impact.Having achieved profitability in our core market, we are now embarking on global expansion with a keen focus on the US market.Join us in shaping the future of shopping! Our People TeamThe People Team at Joko is dedicated to creating a robust foundation for our growth, hiring practices, and team support. We aim to shape a culture and operational processes that make Joko a workplace of choice.As part of this team, led by Déborah (VP People), you will focus on attracting exceptional talent, ensuring a fair and efficient hiring process, and providing a world-class experience for every candidate. We work collaboratively across all teams to continuously innovate and enhance our processes. Your RoleAs a People & Talent Intern, your primary goal will be to enhance our hiring efficiency while ensuring that every candidate interaction is personal and engaging. You will tackle real recruitment challenges, contribute to process optimization, and assist the team in operating a streamlined, data-informed recruiting system.Your responsibilities will focus on three key areas:Talent Acquisition & Data Insights:Participate actively in our hiring operations, creating engaging job descriptions, reviewing applications, scheduling interviews, and coordinating feedback to ensure seamless processes.Maintain our ATS (Ashby) with accuracy, ensuring data integrity and extracting insights to inform strategic decisions. This role will provide you with a comprehensive understanding of end-to-end recruitment in a dynamic, data-driven environment.Candidate Experience & Employer Branding:

Are you driven by a passion for sustainability and eager to create meaningful change? If you seek a rewarding opportunity to help shape a more sustainable future, we want to connect with you!At Quantis, we are constantly on the lookout for motivated, impact-oriented professionals ready to apply their expertise to our mission of harmonizing business practices with Planetary Boundaries. Even if you don't find a specific vacancy that aligns with your qualifications, we would still love to hear from you!How You Could ContributeWhether you are an established sustainability expert, a consultant, a recent graduate, or a specialist in support functions, we encourage you to express your interest if you are committed to driving impact through science-based solutions.Our Quantisians play various roles:Consultants focused on Expert Delivery: You will excel in project teams by utilizing your expertise and conducting analytical work while expanding your knowledge in areas such as footprinting, climate, nature, land & agriculture, and stakeholder engagement.Consultants focused on Client Relationships: With your exceptional business development and interpersonal skills, you will cultivate and strengthen client relationships, guiding them in understanding the value of sustainability for their current and future endeavors.Support Function Specialists: Whether your expertise lies in HR, Finance, Marketing, Administration, Digital Solutions, or IT, you will support our teams in thriving and contributing to our mission.What Awaits You at QuantisAt Quantis, we place science at the heart of our operations while also embracing creativity to tackle intricate challenges. We flourish as a collective of passionate individuals united by a shared purpose. We believe that the best ideas arise through collaboration, and you will find your fellow Quantisians to be supportive, inquisitive, and always willing to share their knowledge. Integrity is not merely a term for us; it shapes our interactions with clients and one another.Becoming a part of Quantis means joining a community of continuous learning. Through our internal educational programs, collaborative projects, and informal knowledge-sharing, your expertise will always be advancing.What’s Next?Simply submit your CV or resume along with responses to a few questions to convey your interests, skills, and preferences. Once submitted, your profile will be added to our talent database. If a new opportunity emerges that suits your background and aspirations, our recruiters will reach out. In the meantime, we encourage you to regularly check our job openings page to stay informed about exciting opportunities!If you are motivated by the desire to make a difference and wish to excel in a collaborative, purpose-driven environment, we are eager to hear from you!