What Youll DoAs a Senior Software Engineer at InteractiveAI you’ll be at the center of delivering production-ready features, integrations, and client implementations that power our platform and enterprise deployments.This is a hands‑on high‑ownership engineering role. You will architect, implement, and ship complex backend and frontend systems, building everything from internal tooling and workflow orchestration layers to customer‑facing interfaces and enterprise integrations.You’ll collaborate closely with product, DevOps, and AI engineering teams to deliver high‑quality, scalable, and secure software in a fast‑moving environment.Architect, implement, and maintain microservices and backend modules for our enterprise agent management platform.Build full‑stack features and internal tools using TypeScript, React, and modern UI frameworksDesign and integrate RESTful / GraphQL APIs, 3rd‑party SaaS services, authentication systems, and enterprise connectorsDeploy and manage containerized services on AWS, GCP, or Azure with Docker and KubernetesDefine and maintain Terraform modules and IaC workflows for networking, compute, and storageBuild and optimize data ingestion, transformations, and caching layers using Postgres, Redis, and/or ClickHouseCollaborate with DevOps on CI/CD pipelines, release processes, and environment automationImplement observability tooling (logging, metrics, alerting) to ensure reliability and performanceWork directly with delivery teams to ship client‑facing integrations, connectors, and application flowsTake full ownership of features from design to production, including testing, documentation, and rolloutWhat We’re Looking ForWe’re looking for a top‑tier full‑stack engineer with strong foundations, excellent execution, and the ability to ship high‑quality software quickly.



You should excel at building production systems and integrations even in ambiguous or fast‑changing environments.Minimum Requirements5 years professional experience building and deploying full‑stack or backend‑heavy web applicationsStrong experience with TypeScript, React, and modern frontend frameworksSolid backend engineering experience with Python or similar languagesHands‑on experience with Docker, containerized services, and KubernetesStrong proficiency with relational and/or analytical databases (Postgres, Redis, ClickHouse, etc.)Experience designing and consuming RESTful and/or GraphQL APIsPractical experience deploying workloads to AWS, GCP, or AzureFamiliarity with Infrastructure as Code (Terraform preferred)Solid understanding of CI/CD, automated testing, and release engineeringExcellent communication skills in English and strong ability to work cross‑functionallyNice‑to‑HavesExperience building enterprise integrations (SAML / OAuth, HubSpot / Salesforce, data warehouses, messaging platforms, etc.)Familiarity with event‑driven architectures, message queues, and streaming systemsExperience with system design at scale (multi‑tenant architectures, service boundaries, performance patterns)Contributions to open‑source or participation in engineering communitiesExposure to AI/ML workflows is welcome but not requiredWhat You’ll GetCompetitive base salary ($70,000 / yr to $100,000 / yr) and performance bonusesAccess to equity / share plan as it rolls outHealth & wellness allowancesPrivate health insuranceFlexible work setup, travel when needed (ideally Hybrid in Lisbon or Madrid)25 days of holidays / paid time off (excluding local public holidays)Who You AreProactive & Resourceful:



You solve problems independently and take initiative without waiting for direction.High‑Ownership Engineer: You treat the codebase as your own and deliver with quality and urgency.Execution‑Driven: You thrive in a fast‑paced environment and enjoy shipping high‑impact features.Collaborative & Clear Communicator: You work effectively with product, DevOps, and engineering peers and you mentor others when needed.Interview ProcessWe keep our process focused and respectful of your time. Most candidates complete it in 23 weeks. Here’s what to expect:Intro Call – 30 minutes to align on fit and expectationsTake‑Home Challenge – A practical task based on real‑world product or engineering problemsTechnical Interview – Deep dive into software architecture, system design, and engineering experienceCultural and Values Interview – Discussion on motivation, working style, and value alignmentOffer – Final conversation and offerWe’re forming a team of builders – people who care about impact, quality, and growth. If that’s you, let’s talk.About usInteractiveAI is a fast‑growing startup on a mission to empower enterprises with fully managed AI agent lifecycles.We are building the next generation of enterprise‑AI solutions, delivering an end‑to‑end Agentic IDE alongside an extensible ecosystem of agentic resources and solutions.Our platform allows companies to orchestrate, monitor, evaluate, deploy, and improve AI agents – and soon fine‑tune and own their own models.We value autonomy, speed, and innovation and are building a world‑class team to match. Our squads are lean, focused, and execution‑driven.If you thrive in high‑performance environments and want to be part of a company that rewards transformational outcomes this is for you.Required ExperienceSenior ICKey SkillsSpring, .NET, C / C++, Go, React, OOP, C#, AWS, Data Structures, Software Development, Java, Distributed SystemsEmployment Type : Full‑TimeExperience : yearsVacancy : 1#J-18808-Ljbffr

📌 Senior Software Engineer - $70,000 - $100,000 A Year (Madrid)
🏢 InteractiveAI
📍 Madrid