Talent Job Seeker
Data Engineer (AWS Glue + Elasticsearch)
- directions_car Barcelona
- work Full-time
About the position
Remote | Full-time | SaaS | Data Engineering
OnHires is partnering with Instantly.ai, a high-growth AI-driven sales outreach and lead intelligence platform used by over 35,000 B2B companies worldwide. We are looking for a Data Engineer to take ownership of SuperSearch — the backend infrastructure powering B2B lead discovery and enrichment.
About the Role
As a Data Engineer, you’ll lead the development and maintenance of large-scale data pipelines and infrastructure that drives our core lead intelligence platform. This role blends classic data engineering with semantic search and LLM-powered enhancements — in a fast-paced, high-impact startup environment.
Key Responsibilities
Build and maintain data processing pipelines using AWS Glue (PySpark) and S3
Work with large-scale datasets in Elasticsearch and MongoDB
Create robust workflows for data transformation, cleaning, and normalization
Optimize and tune our search infrastructure, including query design and semantic enhancements (LLMs, DeepL, embeddings)
Collaborate closely with product and engineering teams to deliver scalable solutions
Must-Have Skills
Proven experience with AWS Glue, PySpark, and S3
Deep understanding of Elasticsearch (queries, aggregations, performance optimization)
Strong Python skills (esp. with PySpark and Pandas)
Experience with data quality, schema evolution, and operational monitoring
Familiarity with LLMs, embeddings, or semantic search techniques is a strong plus
Bonus: Experience with Node.js or general JavaScript backend development
Why Instantly.ai?
Join a product-led, profitable SaaS startup on its way to unicorn status
Work directly on a critical product area with full ownership and autonomy
Fast-moving environment with minimal red tape and maximum impact
Collaborate with high-caliber engineers, data scientists, and product minds
Company Perks
Opportunity to work with a rapidly growing SaaS company in a dynamic industry
Chance to work with a talented and passionate team of professionals
Competitive salary and benefits package
Clear path for career growth and advancement
Casual, remote-friendly, and collaborative work culture
Opportunity to make a meaningful impact on the future of our platform
If you’re excited about owning critical data infrastructure in a high-growth SaaS environment - we’d love to hear from you. Apply today, and we’ll get in touch shortly.
Place of work
Barcelona
app.general.countries.Spain
About the company
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Relevant places near
- Barcelona
- Eixample
- L'Hospitalet de Llobregat
- Sant Martí
- Badalona
- Sabadell
- Sants-Montjuïc
- Horta-Guinardó
- Nou Barris
- Sarrià-Sant Gervasi
Job ID: 9699650
/ Ref: febaa155dc0416e0cb3ac37428d90688