Senior Backend Engineer

TypeScript | Node.js | Go | AWS | Kubernetes | Kafka | PostgreSQL

Who is Parser?

Technology alone does not create impact—the right teams do. Founded in 2018, Parser is a boutique technology services and consulting firm helping global organisations solve complex business challenges through digital transformation, product development and AI enablement.

We are a fast-growing team of 340+ engineers and consultants across Europe (UK, Spain, Portugal), the Americas (US, Argentina, Uruguay, Colombia), and the Middle East. We combine global reach with a mindset focused on agility, senior expertise, and close collaboration.

We work as an extension of our clients’ teams, helping them define the right problems, shape solutions, and deliver technology-driven outcomes that create measurable business value. Our expertise spans software engineering, AI & data, product development, and customer experience, delivered by teams that combine strong technical depth with a consulting mindset.

Why Join Us? If you are looking for a place where you can think beyond execution,



take true ownership of outcomes, influence decisions, and continuously learn alongside top-tier specialists in a truly integral environment, we’d love to meet you.

How will you impact?

Senior Backend Engineer, you will own backend services powering a new conversational AI product. You’ll design high-throughput microservices, build real-time event-driven pipelines, and integrate LLM-driven tool-calling capabilities to create responsive, scalable user experiences.

Your key responsibilities:

Your responsibilities include, but are not limited to:
- Design, build, and maintain high-performance microservices and REST/gRPC APIs primarily using TypeScript (Node.js) and Go.
- Architect event-driven and asynchronous streaming workflows utilizing Kafka, SQS/SNS, or similar distributed systems.
- Model, optimize, and tune relational and search data stores, including PostgreSQL/MySQL, OpenSearch, and

📌 Senior Backend Engineer (Barcelona)
🏢 Parser
📍 Barcelona