POWER A WORLD OF TRUSTIncode is the leading provider of world‑class identity solutions that is reinventing the way humans authenticate and verify their identities online to power a world of digital trust.Through our revolutionary identity solutions, we are unleashing the business potential of universal industries including finance, government, retail, hospitality, gaming, and more, by reducing fraud and transforming human interactions with data, products, and services.We’re in the process of rapidly scaling our diverse global team and we’re looking for entrepreneurial individuals and leaders who are curious, driven, and excited by ownership to join a Unicorn‑status scale‑up!About IncodeIncode is a Series B unicorn ($1.25 B valuation) rewriting how the world proves identity. Our AI‑powered platform lets leading banks, fintechs, marketplaces, and governments deliver friction‑free experiences while defeating fraud and safeguarding privacy. Customers such as Citi, Air Bn B, Block, Chime, Sixt, and Tik Tok rely on Incode to power their identity verification and security. Recently named a leader in the Gartner® Magic Quadrant™ for Identity Verification, we’re scaling fast—and we need a product‑marketing leader who can turn breakthrough technology into a category‑defining narrative.The Impact You’ll MakeWe are seeking a highly skilledBackend Engineerto join our team of backend and Dev Ops experts. In this role, you will design and implement scalable, resilient backend services that power products used by millions of users. You'll tackle complex engineering challenges, from designing robust APIs and data migrations to building fraud detection systems, while ensuring performance, stability, and maintainability.What You’ll Own & DriveEngineering Excellence & Scalability– Architect and implement backend systems that are robust, scalable, and capable of supporting millions of active users. Ensure high availability and reliability through thoughtful system design.Service Development Lifecycle– Build and maintain services from initial model design to production support. Contribute across all phases, including prototyping, implementation, testing, deployment, and de Quality & Best Practices– Write clean, maintainable, and well‑tested code.



Participate in code reviews to maintain high standards and mentor peers on engineering best plex Problem‑Solving– Tackle challenging engineering problems such as designing large‑scale graph‑based systems, managing large‑scale data migrations, and optimizing system performance.Observability & Resilience– Implement logging, monitoring, and tracing practices to ensure system health and reliability. Proactively identify and address performance bottlenecks.Cross‑Team Collaboration– Work closely with Dev Ops, ML engineers, product managers, and other engineers to ensure smooth integrations and high‑quality deliverables. Collaborate with ML teams to bring fraud detection models into production. Align engineering solutions with business needs and operational goals.The Qualities That Set You ApartTechnical Mastery– Deep knowledge of Java/Kotlin and the Spring framework ecosystem, with proven expertise in backend architectures.Database Expertise– Strong understanding of Postgre SQL, Mongo DB, and Redis, with the ability to design schemas, optimize queries, and ensure data consistency. Hands‑on experience with graph databases (e.G. Neo4j, Memgraph, Amazon Neptune) and columnar databases (e.G. Click House, Apache Cassandra).API Design Proficiency– Experience in designing, building, and maintaining REST APIs with a focus on clarity, scalability, and long‑term maintainability.Analytical Mindset– Skilled at breaking down complex systems and applying logical, systematic approaches to engineering problems.Quality‑Driven Approach– Commitment to writing high‑quality, maintainable code with comprehensive test coverage.Adaptability & Growth– Thrives in dynamic, fast‑paced environments. Willing to take ownership of difficult problems and continuously grow technical llaborative Spirit– Strong communication and teamwork skills, enabling seamless collaboration across engineering, ML,



and Dev Ops teams.Your Background5+ years of professional software development experienceProficiency in Java/Kotlin and the Spring framework ecosystemExperience with observability tools (logging, monitoring, tracing)Solid understanding of Postgre SQL, Mongo DB, and RedisHands‑on experience in domain modeling and REST API designTrack record of delivering scalable and maintainable systemsNice to have:Experience with AWS cloud servicesHands‑on work with Kubernetes for orchestrationFamiliarity with Kafka for messaging and event‑driven architecturesExposure to machine learning‑centric systemsExperience with graph databases (e.G. Neo4j, Memgraph, Amazon Neptune) or columnar databases (e.G. Click House, Apache Cassandra)Why Incode?Mission with Meaning– Shape how billions of people prove identity—safely, simply, and ethically.Rocket‑Ship Growth– Join at an inflection point where your strategies will compound in value for years.Elite Team & Backing– Work with a truly global group of top engineers, designers, and investors who share your ambition to dominate a category.Ownership & Autonomy– Operate like a founder with the resources of a unicorn.General Impact– Every program you launch will reverberate across industries and continents.Ready to ignite the future of trust?Lead the narrative. Empower the field. Join Incode and turn innovation into unstoppable market momentum.Aspects of our CultureHigh performanceFreedom & responsibilityContext, not controlHighly aligned, loosely coupledContinuous FeedbackPromotions & DevelopmentLearn more about Life at IncodeBenefits & PerksFlexible Working Hours & WorkplaceOpen Vacation PolicyEqual OpportunitiesIncode is an equal opportunity employer, committed to creating a diverse and inclusive work environment. We take great pride in having an inclusive, diverse, and global team, and we are always looking for talented and passionate individuals from all backgrounds and walks of life. As part of our commitment to inclusion, we ensure that reasonable accommodations are available throughout the hiring process. If you require any accommodation due to a disability or specific need, please let our Talent Acquisition team know—we’ll do our best to support you.Applicant Data PrivacyWe will only use your personal information concerning Incode’s application, recruitment, and hiring processes.

📌 Backend Engineer (Madrid)
🏢 Incode
📍 Madrid