About UsHSP Group is the premier provider of global expansion services, helping companies simplify the complex challenges of operating internationally. We deliver a seamless experience acrosslegal entity setup, global HR, payroll, compliance, tax, and advisory, enabling our clients to scale faster, stay compliant, and reduce risk in every market they enter.About Gateway HRGateway HR is our HRIS platform designed specifically for global expansion management. It offers deep integration withGateway GXM— our flagship global entity management platform — enabling capabilities like automatic payslip generation, intelligent contract management, and seamless cross‑border compliance.Our platform ecosystem already includesAI‑powered document recognition and classificationin production,event‑driven serverless architectureon Azure, and a growing suite of integrated tools spanning HR, entity management, and compliance.Job DescriptionThis is a remote roleWe’re looking for aLead Backend Engineerto own the technical direction of Gateway HR and drive its deep integration with GXM. You’ll combinehands‑on platform developmentwithtechnical leadership of external development teams — evolving the architecture, building innovative features, and representing HSP’s engineering standards across the codebase.This is not a pure management role. You’ll be writing code, reviewing PRs, challenging architectural decisions, and shipping features— while also setting the bar for quality and engineering practices.The TeamYou’ll join a small, distributed engineering organization. Day‑to‑day, you’ll work closely with the GXM backend team, an external development partner, and the product team. You report to the Director of Engineering.In your first 90 days, expect to: get hands‑on with both the Gateway HR and GXM codebases, establish your code review cadence with the external team, ship your first meaningful feature and start shaping the integration roadmap.ResponsibilitiesArchitecture & DevelopmentEvolve the Gateway HR architecture for scale,



reliability, and deeper integration with GXMDesign and build backend systems for automated payroll processing, compliance monitoring, and intelligent document handlingExtend AI capabilities already in production (document recognition, classification) to new HR workflowsDesign APIs and event‑driven workflows using Azure Service Bus for complex, multi‑tenant operationsWork across both Mongo DB and Postgre SQL — our ecosystem uses both, and you’ll need fluency in eachEngineering Excellence & External Team ManagementLead and manage external development teams — enforce standards, challenge estimates, catch quality gapsConduct rigorous code reviews and establish testing strategies (unit, integration, end‑to‑end)Build CI/CD pipelines using Git Hub Actions for rapid, safe deploymentImplement observability and monitoring for distributed HR workflowsChampion code quality through documentation, mentoring, and leading by exampleLeadership & CollaborationMentor backend and full‑stack developers — both internal and externalRepresent HSP’s engineering interests when working with external development partnersCollaborate with the GXM team on shared infrastructure, integration patterns, and architectural decisionsWork with product to translate HRIS vision into technical realityImplement feature flag strategies for safe rollout of new capabilitiesQualificationsRequired7+ yearsbackend development,3+ yearsin technical leadershipExperience in a regulated or compliance‑heavy industry — finance, healthcare, HR/payroll, or large‑scale e‑commerce — where data security, audit trails,



and regulatory requirements are non‑negotiableType Script/Node.Js — maintainable, production‑ready codeAzure serverless — Functions, Service Bus, API ManagementPostgre SQLwith ORM experience (Sequelize or similar)Mongo DBwith advanced data modelingExperience managing external development teams — code reviews, quality enforcement, architectural guidanceEvent‑driven architectureand distributed systems designTerraformfor infrastructure as codeGit Hub Actionsfor CI/CDTrack record of establishing engineering practices and raising quality standardsPreferredBackground inHR technology, payroll platforms, or global workforce management— understanding multi‑country employment, compliance, and employee lifecycle challengesCerbosor similar policy‑based authorization enginesWork OSor similar identity/authentication platformsNovuor similar notification infrastructurePythonfor AI/ML integration, data analytics, or workflow scriptingTerragruntfor advanced Ia C patternsSystem migration and refactoring experience — evolving legacy systems while maintaining uptimeMulti‑tenant Saa S architecture and global scalability patternsWhy Join Us?Own the technical directionof a platform deeply integrated with our flagship GXM productLead both internal and external teams— a true engineering leadership role, not just codingReal AI in production— not buzzwords, but working document recognition and classification you’ll extendDirect impacton product direction, architecture, and engineering cultureModern stack— Azure serverless, Type Script, event‑driven, infrastructure as codeRemote‑first culturewith a small, experienced team where your leadership directly shape the productUnique market position— deep integration between HR and general expansion managementIf you’re a driven individual who wants to make your mark in the heart of the innovation economy, we’d love to meet you. Join our#HSPGlobal Solution Teamand help us power the next wave of global growth.

📌 Lead Backend Engineer (Barcelona)
🏢 HSP Group
📍 Barcelona