> Markdown version of [/jobs/ext/1432202-backend-engineer](https://www.wearedevelopers.com/jobs/ext/1432202-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** - Tackle meaningful work in a high-growth, ever-evolving environment. - **Location:** Barcelona, Spain (Remote available) - **Salary:** €94,000.0 - €117,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Audit Trail, Microsoft Azure, Software as a Service, Cloud Computing, Information Engineering, Design of User Interfaces, Power BI, Software Systems, Tableau (Software), Google Cloud, Large Language Models, Snowflake, Grafana, Multi-Agent Systems, Prompt Engineering, Software Application Programming, Indexer, Backend, Usage Tracking, Data Management, Looker Analytics, Api Management, Databricks - **Published:** July 25, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Strong engineering skills: Solid experience building production-grade, user-facing software systems. You're a self-starter, capable of tackling complex engineering problems and making UI design decisions with minimal supervision. + AI experience with a practical mindset: You're familiar with AI technologies and frameworks, and you focus on delivering high-quality solutions that work in the real world, not just in theory. + Quick iteration and experimentation: You're comfortable releasing prototypes, collecting feedback, and iterating with a pragmatic mindset. + Proven initiative: You take ownership and drive projects forward, pushing boundaries to find the most impactful solutions. You can deal with ambiguity and are able to define scope where things are loosely defined. + Collaborative attitude: You communicate effectively with your peers. You're open to feedback, and you bring a solutions-oriented mindset to the table. + Experience with LLMs, prompt engineering, and building applications powered by GenAI. + Proven track record of delivering software that made it into production and is actively used by users. + Exposure to working in cloud-native environments (e.g., AWS, GCP, Azure). + Experience using observability tools to understand and troubleshoot system behavior. Bonus Points for: + Experience building or working with agent frameworks or multi-agent workflows. + Experience as a data analyst or work with data platforms (e.g., Looker, Tableau, PowerBI, Snowflake, DataBricks) + Experience building tools for data engineering. ## Description The new team is a mix of seasoned Grafanistas and new hires. We operate with a high degree of autonomy and ownership, both as individuals and as a team. Engineers are empowered to make decisions, move quickly, and validate ideas early - while being supported by a deeply collaborative culture that values curiosity, feedback, and cross-functional partnership. We're looking for a Staff-level Backend Engineer to help build the first production services for this context layer management system. You will design and ship the core backend architecture that powers ingestion, context storage, retrieval APIs, and agent-facing integrations. This is an early-stage role on a high-autonomy team, so you should be comfortable working through ambiguity, making pragmatic architectural decisions, and building systems that can evolve from internal dogfooding to production-grade SaaS. As the team matures, there's a broad opportunity to expand or redefine this role based on impact and initiative. What You'll Be Doing: + Build the core backend services: Design, implement, test, and operate the first services for context ingestion, context indexing, retrieval orchestration, API access, source configuration, and system administration. + Create a scalable SaaS foundation: Help define and build the architecture for a multi-tenant service, including tenant isolation, usage tracking, quotas, audit logs, background jobs, and reliable service boundaries. + Power agent-facing retrieval workflows: Build APIs and service interfaces that allow AI agents, MCP tools, CLIs, and internal applications to retrieve relevant context, provenance, confidence signals, and warnings. + Work across product and infrastructure: Partner with the team to make practical tradeoffs between fast experimentation and long-term reliability, especially as the project moves from prototype to production. + Operate what you build: Instrument services with metrics, logs, traces, alerts, and dashboards. Use observability tools to understand system behavior and improve reliability. + Contribute to technical direction: Help shape the architecture, service boundaries, storage choices, API contracts, deployment patterns, and engineering practices for a new product area. + Effective communication: You'll be working in a highly dynamic and collaborative environment, so we need someone who can communicate effectively and contribute across teams. + Ownership and impact: Take full ownership of the AI solutions you develop, ensuring they are not only innovative but also scalable, maintainable, and aligned with real user workflows. 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