Software Development Engineer

Apex Systems, LLC; Redmond (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

Apex Systems, LLC is seeking a Software Development Engineer with hands-on AI and cloud engineering experience in Redmond, WA. You will design and build intelligent systems that automate manual workflows, deploying scalable agent-driven solutions in production.

Required are 3+ years in software engineering, strong C#/.NET and Python skills, Azure cloud experience, and hands-on work with LLMs and AI services. You will work with stakeholders to deliver secure, robust AI-enabled features.

Qualifications

• 3+ years of professional software engineering experience.
• Experience building cloud applications on Microsoft Azure.
• Strong programming experience with C# and .NET (preferably newer versions).
• Hands-on experience with LLMs and AI services.
• Knowledge of prompt engineering and AI workflow orchestration.
• Experience delivering AI-powered features into production or near-production environments.
• Secure authentication and authorization implementation experience.
• Excellent debugging and problem-solving skills.
• Strong communication with business stakeholders.

Responsibilities

• Design and build intelligent systems that automate workflows.
• Develop cloud-based solutions on Azure and integrate AI services.
• Deliver production-ready AI features and automation.
• Collaborate with stakeholders to translate requirements into scalable software.

Skills

C# & .NET

Python

SQL

API development

Azure

LLMs & AI services

Prompt engineering

AI workflow orchestration

Retrieval & grounding

Agentic AI

Authentication & authorization

Debugging & problem-solving

Stakeholder communication

Production deployment

Microsoft Agent Framework

Semantic Kernel

LangGraph

Model Context Protocol (MCP)

React

AI evaluation frameworks

Tools

Microsoft Agent Framework

Semantic Kernel

LangGraph

MCP (Model Context Protocol)

React

Job description

## Job Description# Software Development EngineerWe're looking for a **Software Engineer with hands-on AI and cloud engineering experience** to help design and build intelligent systems that automate how organizations operate. This role sits at the intersection of **software engineering, AI, automation, and platform development**, transforming manual, repetitive workflows into scalable, agent-driven solutions deployed in production.* 3+ years of professional software engineering experience.* Strong programming experience with:+ **C# and .NET (preferably .NET 8/9/10 or newer versions)**+ **Python**+ **SQL*** Experience building cloud applications on Microsoft Azure.* Strong understanding of API development, backend architecture, and database design.* Hands-on experience working with **LLMs and AI services**.* Practical knowledge of:+ Prompt engineering+ AI workflow orchestration+ Retrieval and grounding techniques+ Agentic AI concepts* Must have built and delivered **at least one AI-powered feature, agent, assistant, or automation into production or near-production environments** and be able to discuss the implementation in technical depth.* Experience enhancing and maintaining existing AI solutions through feature development, bug fixes, and workflow optimization.* Experience implementing secure authentication and authorization solutions.* Excellent debugging and problem-solving skills.* Strong communication skills and ability to work directly with business stakeholders.* Comfortable working in ambiguous environments and driving solutions from concept through production.* Previous Microsoft experience.* Experience with:+ Microsoft Agent Framework+ Semantic Kernel+ LangGraph+ MCP (Model Context Protocol)* React development experience.* Experience building evaluation frameworks for AI systems.* Experience deploying and supporting AI solutions at scale.* Familiarity with Responsible AI practices and enterprise compliance requirements.* Proven record of modernizing manual business processes through automation.