Senior Software Engineer / Lead Developer – Java, Python & Agentic AI

SwankTek Inc.; Minneapolis (MN); On-site; USD 140,000 - 190,000; Full time

Job summary

SwankTek Inc. is seeking a Senior Software Engineer / Lead Developer in Minneapolis to design and implement large-scale AI-enabled applications.

You will work with Java, Python, and agentic AI tools to orchestrate LLMs, build AI agents, and deliver enterprise-grade backend services. You will collaborate with architects, product owners, and data scientists on end-to-end AI solutions, leveraging frameworks like LangChain and OpenAI tools, while ensuring scalable, secure, and cost-efficient

Qualifications

• 7+ years of software development experience.

Responsibilities

• Design and develop scalable applications using Java (Spring Boot) and Python.
• Build and deploy ChatBot, Agentic AI solutions using frameworks listed in the ad.
• Design REST APIs and microservices with Spring Boot and Python frameworks.
• Develop Retrieval-Augmented Generation (RAG) solutions with vector databases.
• Integrate enterprise data sources, APIs, databases and third-party systems.
• Mentor peers, contribute to architecture reviews, and improve performance and security.

Skills

Java

Python

Spring Boot

Agentic AI

Communication

Tools

LangChain

LangGraph

CrewAI

AutoGen

Semantic Kernel

OpenAI Agents SDK

Azure OpenAI

Pinecone

ChromaDB

Weaviate

Cosmos DB

Docker

Kubernetes

Git

CI/CD

Job description

• Open Source LLMs (Llama, Mistral)
• Cosmos DB

Job Title: Senior Software Engineer / Lead Developer – Java, Python & Agentic AI

Location: Minneapolis, MN

Duration: Long Term Contract

Job Summary

We are seeking a highly skilled Java and Python Developer with hands-on experience in Chat bot, Agentic AI systems, LLM orchestration, and AI-powered application development. The ideal candidate will design, develop, and deploy intelligent AI agents capable of reasoning, planning, tool usage, memory management, and autonomous task execution. You will work closely with architects, product owners, and data scientists to build next-generation AI solutions leveraging Large Language Models (LLMs), Agentic AI frameworks, and enterprise-grade backend systems.

Key Responsibilities

• Design and develop scalable applications using Java (Spring Boot) and Python.
• Build and deploy ChatBot, Agentic AI solutions using frameworks such as:

• LangChain
• LangGraph
• AutoGen
• CrewAI
• Semantic Kernel
• OpenAI Agents SDK

• Develop AI Agents With Capabilities Including

• Planning and reasoning
• Multi-agent collaboration
• Tool calling and function execution
• Memory management
• Knowledge retrieval (RAG)

• Integrate LLMs Such As

• Azure OpenAI
• OpenAI GPT Models
• Claude
• Gemini
• Open Source LLMs (Llama, Mistral)

• Design and implement REST APIs and microservices using Spring Boot and Python frameworks.
• Build Retrieval-Augmented Generation (RAG) solutions using vector databases.
• Develop AI workflows using prompt engineering and agent orchestration patterns.
• Integrate enterprise data sources, APIs, databases, and third-party systems into AI applications.
• Optimize AI agent performance, scalability, security, and cost efficiency.
• Participate in architecture reviews, code reviews, and technical mentoring.

Required Qualifications

Technical Skills

• 7+ years of software development experience.

Strong expertise in

• Java 11/17+
• Spring Boot
• Python

Experience with

• LangChain
• LangGraph
• CrewAI or AutoGen
• Semantic Kernel

Strong understanding of

• Agentic AI
• Generative AI
• Machine Learning fundamentals
• Prompt Engineering
• RAG architecture

Experience with Vector Databases

• Pinecone
• ChromaDB
• Weaviate
• Azure AI Search

Cloud experience

• Microsoft Azure (preferred)
• AWS or Google Cloud Platform

Knowledge of

• Docker
• Kubernetes
• CI/CD pipelines
• Git

Database Skills

• SQL Server
• PostgreSQL
• MongoDB
• Cosmos DB

Preferred Qualifications

• Experience building multi-agent AI platforms.
• Hands-on experience with Azure OpenAI Service.
• Familiarity with MCP (Model Context Protocol).
• Experience with AI observability, evaluation, and monitoring tools.
• Knowledge of graph databases such as Neo4j.
• AI certifications in Azure AI, OpenAI, Claude, LangChain, or related technologies.

Nice to Have

• React.js or Angular experience.
• Experience developing AI copilots and intelligent assistants.
• Knowledge of event-driven architectures and distributed systems.
• Experience in banking, financial services, or enterprise digital transformation projects.

Key Competencies

• Strong problem-solving and analytical skills.
• Excellent communication and stakeholder management.
• Ability to lead technical design discussions.
• Passion for emerging AI technologies and innovation.
• Mentoring and leadership capabilities.