Haystack
← Back to Jobs
Technology

Senior Software Engineer Agentic AI Platform

eSolutionsFirst, LLCVienna, VA🇺🇸United StatesPosted 12 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

 

Senior Software Engineer – Agentic AI Platform

10 -12 Months contract –   extension   

Vienna, VA

Job Description:

Role Overview

  • We are seeking a highly experienced Senior Software Engineer to design, build, and scale our next-generation Agentic AI Platform.
  • The role focuses on LLMs, RAG, Multi-Agent Systems, and MCP, with strong software engineering expertise in Golang, Python and Java.

Key Responsibilities

  • Design, develop, test, deploy, and maintain scalable AI platform components using Golang, Python, and Java/Spring Boot.
  • Build LLM-powered agents supporting reasoning, planning, tool use, decision-making, and multi-step workflows.
  • Develop RAG pipelines, prompt engineering, function/tool calling, context management, and agent memory.
  • Design multi-agent architectures and integrate MCP with enterprise tools and systems.
  • Build scalable microservices, REST APIs, and distributed systems.
  • Integrate LLMs, APIs, internal platforms, and third-party services.
  • Optimize solutions for performance, reliability, latency, cost, and quality.
  • Participate in architecture, development, testing, deployment, monitoring, and production support.

Required Qualifications

  • Bachelor''s/Master''s degree in Computer Science, Engineering, or related field.
  • 7+ years of software engineering experience.
  • Strong hands-on expertise in Golang and Python; experience with Java/Spring Boot is preferred.
  • Strong experience building scalable, production-grade applications, microservices, APIs, and distributed systems.
  • Solid understanding of algorithms, data structures, OOP, and software design principles.
  • Hands-on experience with AI/ML, LLMs, Generative AI, prompt engineering, and tool/function calling.
  • Experience with RAG, embeddings, vector databases, and semantic search.
  • Knowledge of Agentic AI, multi-agent systems, agent orchestration, and MCP.
  • Experience with SQL/NoSQL databases and data pipelines.
  • Experience with AWS
  • Strong understanding of CI/CD, testing, version control, and production engineering.
  • Excellent problem-solving, communication, and collaboration skills.

Skills

Microservices
SQL
Spring
Spring Boot
AWS
Generative AI
Go
Java
LLM
Python
REST

Similar jobs