ppSinch is a Customer Communication Cloud company powering conversations across messaging voice and email helping businesses deliver personalized customer experiences at scale More than businesses including leading integral tech companies rely on Sinch /p h3The Role /h3 pWe are building the next generation of conversational AI infrastructure.br/As a Senior Java Software Engineer on the Agentic Orchestration Platform team you will design build and own core components that coordinate AI agents workflow execution and multichannel communication via SMS WhatsApp and voice at scale. /p pThis is a zero to one opportunity to build a new platform from the ground up. /p pYou will work on complex problems with high autonomy as part of a small senior team with significant impact. /p pYou will collaborate with Engineering Manager Tech Lead Product Manager Domain Architect and cross functional teams /p h3What You Will Do /h3 pDesign and build core platform components with high ownership and autonomy /p pDrive system design and create technical proposals /p pWork on distributed event driven systems combining deterministic workflows and AI agent behavior /p pWrite production grade software including clean maintainable code with tests and documentation Build systems that are observable debuggable and resilient /p pOwn full lifecycle including design deployment monitoring and on call responsibilities /p pFollow build ship run approach /p pDevelop platform components integrating LLMs and AI agents /p pWork with prompt management context handling function calling guardrails and error recovery /p pAddress challenges like testing non deterministic systems fallback strategies latency and cost optimization /p pContribute to engineering excellence through architecture discussions code reviews and standards definition /p pMentor team members and share knowledge /p pCollaborate across teams with product and technical stakeholders /p pProvide technical guidance and trade offs and align solutions with business needs /p h3What We Are Looking For /h3 pFive to eight plus years of professional software engineering experience /p pStrong backend and platform skills including distributed systems microservices event driven architectures and cloud native design. /p pAbility to explain architectural trade offs clearly. /p pStrong engineering fundamentals including clean code testing strategies debugging production systems and building reliable long lasting systems /p pExperience with Java Spring AI TypeScript or React Deep expertise in at least two core backend technologies and willingness to learn others quickly /p pExperience using AI coding tools such as Copilot Claude Code Cursor or similar /p pUnderstanding benefits risks and best practices /p pAbility to work autonomously define scope and deliver solutions independently Strong decision making on prioritization /p pExperience with cloud and operations including AWS Docker Kubernetes CI CD GitOps infrastructure as code and monitoring /p pStrong communication skills with both technical and non technical stakeholders Fluent English required /p h3Nice to have /h3 pExperience with Temporal and Kafka Experience with conversational AI LLMs or agent based systems Experience building platforms from scratch Background in CPaaS or communication platforms /p pThe annual salary for this position is between €60.000 until €80.000 Factors which may affect pay within this range may include skills, education, experience, and other qualifications /p h3OUR HIRING PROCESS /h3 pWe are committed to ensuring a recruitment process that is fair, objective, consistent, and inclusive. Our approach includes structured, competency-based interviews designed to evaluate your skills, experience, and qualifications relevant to the role. At times, we may include a data-driven assessment to enhance our hiring success and identify candidates likely to excel. /p pWe believe in a two-way process and encourage you to ask questions throughout the journey. If this role isn't what you're looking for, please explore the other opportunities listed on our career page: No matter who you are, we hope you find an exciting path forward - hopefully with us! /p /p #J-18808-Ljbffr

📌 Sr Software Engineer (España)
🏢 Sinch
📍 España