Senior Backend Engineer – TypeScript & AI - Remote work | REF#304002

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

In this role, you'll build distributed systems that process data at scale, combining strong TypeScript backend engineering with large-scale data processing and vector search capabilities. Working on RAG pipelines and LLM integrations, you'll build the infrastructure that lets AI systems reason over real data reliably. This is your opportunity to work where distributed systems engineering meets applied AI, building backend services that power intelligent, data-driven applications.

What You'll Do

• Build distributed systems handling large-scale data processing.
• Design and maintain PostgreSQL databases with vector search capabilities.
• Build RAG pipelines, including chunking and embedding strategies.
• Integrate with LLM APIs to power AI-driven functionality.
• Implement event-driven messaging to coordinate distributed workflows.

What We Are Looking For

• 5+ years of experience in software engineering.
• Strong proficiency in TypeScript.
• Experience with distributed systems.
• Hands-on experience with large-scale data processing using Apache Spark.
• Strong PostgreSQL skills.
• Experience with vector databases such as pgvector or Qdrant.
• Background building RAG pipelines.
• Experience with chunking and embeddings.
• Experience with LLM APIs such as Anthropic, OpenAI, or Bedrock.
• Experience with event-driven messaging using AWS SQS, RabbitMQ, or BullMQ.
• Advanced proficiency in English.

Nice To Have

• Experience with DuckDB.
• Familiarity with Redis.
• Experience with multi-agent orchestration, including planner, router, and evaluator patterns.
• Familiarity with LLM observability tools such as Langfuse or LangSmith.

How we do make your work (and your life) easier:

• 100% remote work (from anywhere).
• Excellent compensation in USD or your local currency if preferred
• Hardware and software setup for you to work from home.
• Flexible hours: create your own schedule.
• Paid parental leaves, vacations, and national holidays.
• Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.
• Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Join a global team where your unique talents can truly thrive and make a significant impact!

Apply now!

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