Top 10 principal software engineer Jobs in carmel, in

Principal Software Engineer - AI
OnBoard —Indianapolis, IN
- Remote
- Computer science
- Computer Science
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Principal Software Quality Engineer
ILAB LLC —Indianapolis, IN
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- 11+ years
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Software Principal Engineer -onsite in Raymond, Ohio US Citizen
Thomas & Reed, LLC —Carmel, IN
- 8 years
- Analysis skills
- In-person
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Principal Embedded Systems Engineer (T05)
Vertex Professional Service LLC —Indianapolis, IN
- Hybrid work
- 11+ years
- Master's degree
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Principal Software Engineer (Connectivity)
Rheem Manufacturing —Indianapolis, IN
- Full-time
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Senior Principal Engineer - Automation Engineering – Systems and Digital Integration-Lilly Medicine Foundry
Lilly —Lebanon, IN
- $114,000 - $181,500 a year
- Full-time
- Bachelor of Science
- Engineering
- 8 years
- Health insurance
- Dental insurance
Senior Principal Engineer - Automation Engineering – Laboratory and Analytical Equipment - Lilly Medicine Foundry
Lilly —Lebanon, IN
- $114,000 - $167,200 a year
- Full-time
- Bachelor of Science
- Engineering
- Laboratory experience
- Health insurance
- Dental insurance
Senior Principal Software Engineer
SAIC —Indianapolis, IN
- Full-time
- Hybrid work
- Computer science
- Computer Science
- Master's degree
1d
Senior Principal Process Control & Automation Engineer
Lilly —Lebanon, IN
- $66,000 - $171,600 a year
- Full-time
- Computer Science
- Engineering
- US work authorization
- Health insurance
- Dental insurance
Senior Principal Engineer - Automation Engineering – Hybrid Manufacturing - Lilly Medicine Foundry
Lilly —Lebanon, IN
- $64,500 - $167,200 a year
- Full-time
- Bachelor of Science
- Engineering
- 8 years
- Health insurance
- Dental insurance

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Principal AI Engineer
MIDCONTINENT INDEPENDENT SYSTEM —Carmel, IN
A Bachelor’s degree in Computer Science, Software Engineering, Data Science, Data Analytics or related field. Bachelors or better in Computer Science or related…
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Principal Software Engineer - AI
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Principal Software Engineer - AI

OnBoard -
Indianapolis, IN

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Job Details

Benefits

Health savings account
AD&D insurance
Paid holidays
Disability insurance
Health insurance
Dental insurance
Flexible spending account
Paid time off
Employee assistance program
Vision insurance
Life insurance

Qualifications

AI models
Software engineering
Project management in technology
Tooling
Team leadership
Enterprise software
Application Architecture Design (Architecture design skill)
.NET Core
C#
SOC 2
AI platforms (beyond public GPTs)
Machine learning projects
Enterprise software systems development
Microservices
Information security compliance
Machine intelligence
SaaS (as product category for technical sales engineers)
Web applications
Agile software development
Technical troubleshooting support
Cloud solution engineering
DevOps automation
AI-driven automation
Machine learning frameworks
Developer tools

Full Job Description

Title: Principal Software Engineer

Date: 2026.03

Function: Engineering

Reports to: Director, Engineering

Position Summary

The Principal Software Engineer will play a critical role in designing, developing, and implementing high-quality software solutions. This position is responsible for the development of next-generation SaaS applications - including AI-powered and agentic experiences - as well as providing technical leadership for long-range investments and planning. The Principal Software Engineer has a passion for building maintainable, scalable, and beautiful applications, with heavy emphasis on optimizing user experience, solving problems, and delighting customers and business stakeholders. The Principal Software Engineer must be able to break down complex problems and design elegant, easy-to-maintain solutions that are resilient and robust. Additionally, this role provides technical leadership, mentorship, and guidance to the engineering team, while driving innovation in AI-assisted development practices and ensuring established best practices are followed.

Critically, this role involves AI/ML integration including semantic search, RAG (Retrieval-Augmented Generation) frameworks, vector database architectures, LLM operations, orchestration patterns, and AI tooling integration. We recognize that exceptional engineers may have depth in some areas and breadth in others - experience across these areas is strongly desired but not required. We value engineers who have experience learning and leading the adoption of emerging technologies.

Key Responsibilities

Lead the design, development, and implementation of complex software systems and solutions including advanced AI-powered capabilities such as semantic search systems, vector databases, RAG-based architectures, and LLM orchestration patterns.
Translate business requirements into a well-formed technical design and help bring that design to life with the team, in an iterative fashion.
Collaborate with cross-functional teams to define project goals, scope, and timelines as well as translate business requirements into scalable and robust software designs.
Mentor and coach team members, fostering their professional growth and promoting a culture of knowledge sharing and continuous learning.
Write reusable code, build libraries for future use, conduct code reviews, ensure code quality, and enforce coding standards.
Champion the adoption of AI-assisted development tools (e.g., Claude Code, GitHub Copilot, Codex) to accelerate development velocity and code quality.
Build "golden pathways" and developer experience tooling that scales engineering capability across the organization.
Drive technical innovation and identify opportunities for process improvements and optimization.
Champion architectural integrity alongside an iterative, gated delivery approach
Stay up to date with emerging technologies and industry trends and evaluate their potential impact on our software solutions.

Skills and Experience Needed

Bachelor's Degree in software engineering, computer science, information technology, or commensurate experience.
10+ years proven experience in SaaS development, primarily developing user-facing production features on a modern web stack.
5-7 years' experience developing web applications with C# and .NET Core.
5+ years' experience with RESTful design patterns and microservices architecture; including high-scale cloud mechanisms like event hubs, messaging systems, and data lakes.
1+ years' experience with AI-powered development tools (Claude, GitHub Copilot, Cursor, or similar) with demonstrated track record of leveraging AI assistants to accelerate development velocity and code quality.
Experienced in one or more AI/ML areas: semantic search, vector databases, RAG frameworks, LLM orchestration, prompt engineering, or AI tooling development.
Excellent troubleshooting skills with the ability to analyze and resolve difficult problems quickly.
Experience working in a high transaction, high security environment where SOC2, ISO27001 compliance is required.
Strong proficiency in CI/CD pipelines, git workflow, etc.; ideally in Azure DevOps.
Mastery of agile development methodologies and DevOps practices.
Demonstrated technical leadership experience in software development projects.

Competencies

Accountability
Adaptability
Applied Learning
Business Acumen
Customer Focus
Dealing w/Ambiguity
Driving for Results
Initiating Action
Operational Decision Making
Technical/Professional Skills and Knowledge
AI Adoption

About the Company:

Boards set the standard for what organizations can achieve. At OnBoard, our board management software helps boards function at a higher level so every organization can make a bigger difference in the world.

Launched in 2011, today, OnBoard serves as the board intelligence platform for more than 5,000 organizations and their 12,000 boards and committees in 60 countries worldwide. With customers in higher education, nonprofit, healthcare systems, government, and enterprise business, OnBoard is the leading board management provider.

OnBoard has grown from a class project at Purdue University in West Lafayette, Indiana in 2003 into the world's leading board management software platform today. Backed by JMI Equity and the acquisitions of eScribe and Govenda, OnBoard is positioned to become the industry leader in Board Management and Meeting Solutions for private and public sector entities.

Diversity Statement - Culture of Togetherness:

At OnBoard, our mission is to encourage and celebrate a culture of togetherness. We acknowledge that uniqueness is powerful, and we welcome, foster, and appreciate all. Diversity, Equity, and Inclusiveness fuel the Pathfinder atmosphere and all our efforts. Our power is in our people and we Pledge 1% to give back to our communities and across the globe.

OnBoard is an equal opportunity employer and committed to a diverse and inclusive working environment. Passageways does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. For individuals with disabilities who would like to request an accommodation please email [email protected].

Benefits and Perks:

Fully remote work with company provided equipment (laptop, software, etc.)
Employment with a growing, casual, fun, philanthropic minded company
US Based Employees
- Comprehensive, high-quality medical/prescription drug plan options, as well as dental and vision plan offerings.
- An employer contribution to your Health Savings Account (HSA) if you participate in a High Deductible Healthcare Plan.
- Medical Flexible Spending Accounts available.
- Dependent Care Flexible Spending Accounts available.
- Basic life insurance in the amount of $50,000 or 1 X's your salary (whichever is higher).
- Short and long-term disability and Accidental Death and Dismemberment benefits at no cost to you.
- 401K Retirement Savings Plan with automatic enrollment at the first of the month following 60 days of employment at 5% to help you secure your financial freedom. We offer a generous company match that starts on the first of the month following 60 days of employment. The company match is dollar for dollar on the first 3% of your pay that you contribute and $0.50 on the dollar on the next 2%, for a total match of 4%.
- Paid Time Off (PTO)/Holiday
CAN Based Employees
- Employer paid Life and Accidental Death Insurance
- Contribution to Health Care Spending Account
- Dependent Life Insurance
- Optional Life Insurance
- LTD Insurance
- Drug and Paramedical Coverage
- Dental Insurance
- Vision Insurance
- EAP
AUS Based employees
- Superannuation rate of 12%
- Monthly stipend of $400 AUD to purchase private medical insurance
UK Based Employees (via EPG)
- Pension - Aegon
  - Passageways/OnBoard contributes 8% of the employee's basic salary
  - Employees can contribute up to 100% of salary subject to max limits
  - Enrolled from Day 1 of employment
- Private Medical Insurance
- Life Assurance
- Income Protection
- Critical Illness
- Employee Assistance Programme
- Serious Illness Benefit
- Help@Hand
- Cashplan

Diversity Statement - Culture of Togetherness:

OnBoard is an equal opportunity employer and committed to a diverse and inclusive working environment. We do not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Interview Transparency & Technology Disclosure
We use video/audio recordings and artificial intelligence (AI) tools during our interview process to transcribe responses, evaluate skills, and streamline evaluations. Your data is processed securely and handled in line with our Privacy Policy and local data protection laws

Apply Now

Refine Your Search

principal software engineer jobs in carmel, in

Principal Software Engineer - AI

Principal Software Quality Engineer

Software Principal Engineer -onsite in Raymond, Ohio US Citizen

Principal Embedded Systems Engineer (T05)

Principal Software Engineer (Connectivity)

Senior Principal Engineer - Automation Engineering – Systems and Digital Integration-Lilly Medicine Foundry

Senior Principal Engineer - Automation Engineering – Laboratory and Analytical Equipment - Lilly Medicine Foundry

Senior Principal Software Engineer

Senior Principal Process Control & Automation Engineer

Senior Principal Engineer - Automation Engineering – Hybrid Manufacturing - Lilly Medicine Foundry

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