Senior Data Engineer

Datacamp

About DataCamp DataCamp's mission is to empower everyone with the data and AI skills essential for 21st-century success. By providing practical, engaging learning experiences, DataCamp equips learners and organizations of all sizes to harness the power of data and AI. As a trusted partner to over 17 million learners and 6,000+ companies, including 80% of the Fortune 1000, DataCamp is leading the charge in addressing the critical data and AI skills shortage. About the role We are looking for a Senior Application Security Engineer to join our Engineering team and own the security posture of our software and development practices. This is a hands-on role for someone with a strong software engineering background who is genuinely passionate about security - not a traditional infosec role, but one that sits at the intersection of engineering and security. You will be our primary security expert embedded in the Engineering organization, acting as the first responder on security topics - from bug bounty programs and penetration testing to vulnerability management and security risk tracking. You will work closely with our engineering teams to embed security guardrails into our development workflows, including our growing AI-assisted and Agentic development practices. We are ISO 27001 certified and take our compliance obligations seriously. You will play a key role in ensuring our controls remain in place, evolving our security awareness program, and continuously improving the tools and practices that keep us ahead of the curve. About you At DataCamp, we seek individuals who embody our core values of data-driven decision-making, action, transparency, ownership, and customer focus. You thrive in a fast-paced, high-performing environment and are driven by a passion for making a meaningful impact. You're adaptable, embracing change and ambiguity with enthusiasm. Your initiative and entrepreneurial spirit push you beyond just meeting targets—you aim to understand the "why" behind our goals and take ownership to drive the business forward. You’re a collaborative team player who values transparency and always seeks to improve and innovate. If this sounds like you, we encourage you to apply! Responsibilities * Own vulnerability management end-to-end: triage, prioritize, track, and drive remediation across the engineering organization * Act as the first responder from Engineering on security topics, including bug bounty programs, penetration testing engagements, and security incidents * Maintain and evolve our application security tooling (JFrog X-Ray, SonarCloud, OWASP ZAP) and integrate security checks into CI/CD pipelines * Partner with engineering teams to embed security guardrails into development workflows - including AI-assisted and Agentic development practices * Drive adoption of secure coding standards and OWASP best practices across the engineering organization (OWASP Top 10 for Web and API) * Support and evolve our ISO 27001 compliance program, ensuring controls are in place, monitored, and continuously improved * Run and evolve our annual security awareness training for developers * Track and communicate security risks to engineering leadership and relevant stakeholders * Evaluate and adopt new security tools and practices as the threat landscape and our technology evolve Qualifications * 6+ years of software engineering or application security experience, with a strong coding background - you can read, write, and review code across multiple languages * Strong TypeScript/Node.js experience; good knowledge of Kubernetes, and AWS * Deep understanding of application security concepts: OWASP Top 10 (Web and API), vulnerability management, secure SDLC, and threat modeling * Hands-on experience with application security tooling such as SAST, DAST, and SCA - experience with JFrog X-Ray, SonarCloud, or OWASP ZAP is a plus * Experience coordinating or participating in bug bounty programs and penetration testing engagements * Experience working within ISO 27001 or similar compliance frameworks - experience with compliance monitoring tools (e.g., Vanta) is a plus * Experience integrating security practices into CI/CD pipelines and developer workflows * Able to take a security initiative from problem identification through to implementation - you drive things to completion and don't wait to be pushed * Already working with AI-assisted development tools (e.g., Claude Code, Cursor) in your day-to-day workflow, with solid understanding of AI Engineering concepts and Agentic systems - including the security implications they introduce * Startup, scale-up, or small-company experience - You have worked in environments where teams are small, ownership is broad, priorities shift quickly, and you are expected to make progress without a large support structure. * Strong communication skills - you can explain complex security topics to engineers and non-technical stakeholders alike * Comfortable working across engineering teams without direct authority - you communicate security risks clearly and pragmatically, without blocking delivery Why Datacamp?  Joining DataCamp means becoming part of a dynamic, creative, and international start-up. Here are just a few of the reasons why you’ll love being on our team: * Exciting challenges: Face new technical challenges daily, keeping your work engaging and rewarding. * Competitive compensation: We offer a competitive salary with attractive benefits. * Flexibility: Benefit from flexible working hours because the future is flexible!  * Continuous learning: Access a yearly learning budget for conferences & training to support your professional growth. * Global retreats: Participate in international company retreats, fostering a global team spirit. * Equipment: Yearly refreshment of your IT Equipment budget for your home working setup. * Amazing team: Collaborate with a truly exceptional team—seriously, we’re awesome!

YLD

Location: Portugal Department: Engineering Employment Type: Permanent ABOUT YLD: Our goal is to help our clients keep moving forward. We work with them to build the skills and capabilities they need to stay ahead of the competition, and we know our success only happens when they succeed. We’re a team of curious, talented people, and we’re committed to making YLD a place where great people want to work, grow, and stay. We’re a remote-first consultancy specialising in software engineering, product design, and data. Our teams are based across London, Lisbon, and Porto, and we create digital solutions that continue to deliver value long after our work is done. ABOUT THE ROLE: As a Senior Software Engineer at YLD, you’ll be part of a client team building innovative products. We’re looking for someone curious, passionate, driven, and enthusiastic. You should be skilled in problem-solving and experienced in designing scalable, resilient, and fault-tolerant architectures. You’re also an effective communicator and a strong team player. Together with your team, you’ll thrive in a fast-paced engineering environment, delivering outstanding results and exciting projects. YOUR DAY-TO-DAY RESPONSIBILITIES WILL LOOK LIKE THIS: * Crafting excellent products! You will be building new features that meet the needs of our clients and customers; * Continuously delivering changes to products, as our client is moving to a full CI/CD model; * Working closely with your team, regularly collaborating and on engineering initiatives, to continually push yourselves to be better; * Learning, growing, and mentoring the engineering team to accelerate their career growth and encourage them to progress; * Working with the Lead to architect, design, build, and deliver highly available, always-on, zero downtime products; * Being responsible for the production operation and monitoring of products in line with SLAs; * Driving good practices within your team, making an impact on the whole department; * Participating in regular show and tells, promoting your work to both your department and the wider company. PREFERRED SKILLS * Proficiency in JavaScript/TypeScript, Python, and/or Go, with the ability to rapidly learn new languages; * Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc.); * Production experience with React, modern build tools, state management, responsive design, and accessibility standards; * Comprehensive testing experience (unit, integration, E2E, security) and performance optimization; * Scalable system design patterns, load balancing, and high-availability architectures; * Database design and optimization (both relational and NoSQL); * API development (REST, GraphQL, gRPC) and event-driven architectures; * Caching strategies and message queue systems (Redis, Kafka, RabbitMQ); * Cloud platforms (AWS, Azure, GCP) with containerisation (Docker, Kubernetes); * CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation); * Monitoring, observability, and performance optimisation tools; * You can keep a cool head when debugging production issues; * Use AI tools to augment your work, applying sound judgement to adopt emerging technologies where they genuinely add value and increase your impact as an engineer. YOU SHOULD APPLY IF YOU ARE: * Self-motivated, proactive and always looking for ways to improve and develop yourself; * A good communicator, both in writing and verbally. You’ll be able to explain technical ideas and concepts in business-friendly language. * Detail-oriented; * Possess strong problem-solving skills that balance innovation with pragmatic technology choices to solve business needs; * Used to working in a team-oriented, collaborative environment; * Analytical and problem-solving-oriented; * A genuine believer in diversity and fairness. Benefits you’ll receive: * Company Private Health care * Enhanced fully paid maternity and paternity leave for up to 6 months * 25 days annual holiday (excluding Public Holidays) * €2000 annual allowance for Training/Conferences * €300 annual allowance for additional hardware * Mental Health support: access to Oli app * Meditation/Sleep support: Headspace or Calm app subscription * Bonus (depending on Company performance and results) * Company laptop * Generous referral schemes Our typical Recruitment Process looks like this: * 1st Interview with someone from the Talent team (30/45 mins) * Technical Interview with our Senior Developers (1h30) Get a glimpse of what it's like working at YLD! 🤳 Check out our LinkedIn page We live and breathe our values, and know you will too: * Growing every day * Including everyone * Relationships built on honesty and ethics * Inspiring solutions * Winning together We’re an equal-opportunity employer and value diversity in all its forms. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, pregnancy or maternity, age, marital status, or disability. We also offer a remote-first working environment, with flexible working and work–life balance as standard for all employees.

Catawiki

At Catawiki, every day brings the extraordinary! Whether it’s Daniel Ricciardo’s Formula 1 Car, a Woolly Mammoth’s Skeleton, Lady Gaga's Jumpsuit or Usain Bolt’s running shoe, we encounter exceptional objects every day. We’re a one-of-a-kind marketplace for buying and selling special objects. Each week, more than 100,000 unique items are auctioned, all carefully curated by our passionate in-house experts. Having sold over 25 million unique objects, our mission is to become the world’s most popular destination for special objects. As a growing, diverse and sustainable scale-up, we proudly live by three core values. If these values resonate with you, we’d love to explore how you can join us. * Taking ownership and driving impact  * Being open to change and feedback * Being passionate about our mission and our customers.  What you will do Winning an object at Catawiki is an exciting moment, but the real excitement comes once the object has been delivered. Whether it’s a classic car, a watch, a painting or a rare stamp, they all need to arrive in the hands of the buyer, and only when the item is according to the description, will we proceed with the pay-out to the Seller. As simple as this sounds, there are many things that can go wrong in this process and with hundreds of thousands of objects in all shapes and sizes, we need to ensure that we help this process go smooth and easy. As we’re rapidly expanding, we’re looking for an experienced Senior Product Manager Shipping to strengthen our team of high performing Product Managers, Engineers, Designers and Data Scientists to scale our business.  As a Sr. PM Shipping at Catawiki, you will work with a multidisciplinary team within our Fulfilment vertical to: * Relentlessly focus on what’s best for our customers and our business. * Empower our Sellers and Buyers with the most convenient ways and processes to ship and receive their desired object. * Responsible for selecting new, and maintaining the relationships with existing, shipping partners. * Manage the process of giving and receiving feedback to the seller. * Understand and identify customer behaviour and needs through research and analysis. * Analyse, understand and share learnings from experimentation to build a strong knowledge base of the product. * Contribute to the overall Product Vision and Strategy for this core part of our value proposition. * Strong stakeholder management and partnership with the commercial organization in Catawiki and specifically the shipping operations team * Take ownership of anything related to shipping, the roadmap and prioritisation of new features and enhancements to existing features. Examples: * Working with various carriers across the world * Working with shipping aggregators * Find projects to make shipping costs more fair * Improve the quality of the overall shipping experience for buyers and sellers * Execute on that roadmap with clear expected outcomes and meticulous measurement. * Empower your team and cross-collaborate with other teams and stakeholders across the company to unlock their full potential. * Manage and work closely with your stakeholders: the commercial teams, Customer support teams, and the experts, to get the best ideas in and subsequently get everyone aligned for fast implementation. * Get. Stuff. Done.   Who you are  In addition to your demonstrable experience as a Product Manager in a fast growing online company, you also have: * A strong belief in Customer Centric product development. * A data driven approach; You base your decisions on facts rather than opinions. * Familiarity with a/b experimentation; You’re aware that valuable information comes from both positive and negative results through experimentation. * An interest and curiosity in the world of (online) auctions. * An intrinsic motivation to drive operational efficiency improvements and overcoming resistance to change. * Energy, a commercial focus, and a sense of urgency to everything you touch; You’re a self-motivated and results driven person who is not afraid to get their hands dirty to solve a problem. * Natural collaboration and communication skills, fluent English, and good in posing probing questions to quickly and fully understand what someone's talking about. * An agile and innovative mindset with the tenacity to thrive in a constantly changing environment plus the ability to deal with complexity and ambiguous situations. * An eagerness to learn; You seek continuous feedback and input. * 3+ years experience as a Product Manager ideally e-commerce focused. * Experience in the Shipping/ Logistics domain  WHY YOU'LL LOVE WORKING WITH US * Create a visible impact by working at scale in a global organisation serving millions of customers across 80+ categories. In our flat structure, every role has a broad scope and directly impacts both our customers and the business. * Learn and grow through our Learning & Development initiatives, including clear development plans and mentorship programmes to support your career progression. * A culture of connection defines us. We’re a passionate, diverse team of 800+ Catawikians representing 60+ nationalities. We foster an inclusive and queer-friendly environment where everyone is encouraged to bring their full self to work. * Celebrate life’s moments with us. You’ll receive a €100 Catavoucher when you join, a €50 Catavoucher on your birthday, and an extra day off each year to “Pursue Your Passion”. We also offer additional leave for key work anniversaries and important life events. Benefits may vary by location. OUR OFFICES AND WAY OF WORKING Our vibrant offices in Amsterdam and Lisbon are designed to inspire collaboration. Most Catawikians operate in a hybrid setup, combining office-based and remote work, with a minimum of two days per week in the office, unless a role is explicitly stated as fully remote or fully office-based. INTERESTED? Apply with an English CV and Cover Letter. By applying, you agree to Catawiki’s Applicant Privacy Policy. If you’re excited about this role but don’t meet every requirement, we still encourage you to apply anyway. You may be just the right candidate for this or other roles.