Top 14 Senior .net developer Jobs in Richfield, Oh

Senior .NET Engineer
NAVIGATE360 LLC —Richfield, OH
- Full-time
- Remote
- Computer science
- 7 years
- Computer Science
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SR Application Engineer -Hybrid
National Interstate Insurance Company —Richfield, OH
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Office
- Commuter assistance
- Employee stock purchase plan
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6d
SR Application Engineer -Hybrid
National Interstate —Richfield, OH
- Full-time
- Hybrid work
- 6 years
- Computer Science
- Office
- Commuter assistance
- Employee stock purchase plan
6d
Senior Applications Developer
Foundation Software —Strongsville, OH
- Full-time
- Computer science
- Computer Science
- 5 years
- Paid holidays
- Disability insurance
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Senior Software Engineer
AmTrust Financial Services, Inc. —Cleveland, OH
- $100,200 - $125,000 a year
- Full-time
- Hybrid work
- Azure
- 5 years
- SQL
- Health insurance
- Dental insurance
Senior Integration Developer
Quadax —Middleburg Heights, OH
- Full-time
- Computer science
- Azure
- Computer Science
Quick Apply
Engineer, Software - Senior
Arrow International, Inc. —Cleveland, OH
- Full-time
- 7 years
- Computer Science
- System design
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Senior Applications Developer
Sherwin-Williams —Cleveland, OH
- $132,891 - $140,086 a year
- Full-time
- 18 years or older
- Microsoft Access
- Computer Science
Sr. Java Developer [US Citizen]
Smart Computer Engineers —Cleveland, OH
- Up to $70,000 a year
- Email
- Mid-level
- Office
- US work authorization
Sr. Software Engineer II – Back End - Access Control
AXS —Cleveland, OH
- $131,400 - $148,500 a year
- Full-time
- Hybrid work
- Computer science
- 6 years
- Computer Science
- Health savings account
- Paid holidays
13d
Senior MES Developer
The Lincoln Electric Company —Cleveland, OH
- $116,671 - $155,561 a year
- Full-time
- Computer Science
- 5 years
- SQL

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Senior .NET Engineer

NAVIGATE360 LLC -
Richfield, OH

Quick Apply

Job Details

Full-time

Qualifications

Containerization systems
DevSecOps Practices
Test scanning software
Software engineering
Engineering development testing
Managing projects in an engineering role
IT transformation
.NET Core
C#
Data retrieval time improvement
Agile scheduling
Managing IT teams
SQL
Team development
VB.NET
Supervising experience
Mentoring
Leading team collaboration initiatives
Agile software development
DevOps automation
Application security testing
Query management
Managing software development teams
Project stakeholder communication
Cross-functional communication
Agile planning

Full Job Description

Summary:

We are seeking a Senior .NET Engineer / Team Lead to drive both the technical execution and day-to-day leadership of an engineering team responsible for a safety-critical platform used by schools, public safety organizations, and law enforcement agencies.

This is a hands-on leadership role, combining active software development with team leadership responsibilities. You will guide a multi-phase platform modernization—transitioning a legacy VB.NET Web Forms application to modern ASP.NET Core—while ensuring reliable, secure, and high-quality delivery through strong agile execution and engineering practices.

You’ll operate in a greenfield-meets-brownfield environment, building modern systems while incrementally improving and decommissioning legacy components. This role also includes ongoing ownership and evolution of the platform and team beyond the migration effort.

We Value:

Honest, open, frequent, and clear communication
Honoring commitments and meeting goals and deadlines
Curiosity, passion, and intellect
Supporting, teaching, learning, and succeeding together
Preparation, engagement, responsiveness, and highly efficient use of time and resources
Being the best at what we do

You Have:

A passion for technology and cutting-edge tools, approaches, and architectures
An aptitude for analytical problem solving
The ability to quickly learn new technologies
An attitude where no technical challenge is too great
The ability to communicate and collaborate cross-functionally, and work well in a team environment
Receptivity to feedback, challenge, and growth

Key Responsibilities:

Technical Leadership & Architecture
Define and drive the technical roadmap for a phased migration from VB.NET Web Forms to ASP.NET Core (strangler fig pattern)
Ensure team implementations align with approved architecture and engineering standards
Make team-level design decisions and facilitate architecture discussions
Identify and reduce technical debt to maintain a scalable, maintainable codebase
Architect and implement core system components, including data access and service layers

Problem Solving & Cross-Team Coordination
Serve as the primary escalation point for technical challenges
Identify risks early and drive cross-functional resolution
Coordinate dependencies across teams and systems

Release & Deployment
Oversee releases across legacy and modern environments (IIS and containerized platforms)
Collaborate with DevOps to improve CI/CD pipelines and deployment reliability
Support cloud infrastructure and container orchestration (AWS, Docker, Kubernetes/EKS)

Migration & Platform Modernization
Execute phased migration strategy:
- Security hardening
- Business logic extraction
- C# port
- ASP.NET Core implementation
- Incremental feature migration
- Legacy decommission
Consolidate legacy systems into a unified modern platform
PWA architecture)

Security & SDLC Ownership
Enforce engineering and secure SDLC practices (SAST, DAST, threat modeling, SNYK)
Lead security hardening efforts (encryption, session management, CSRF protection, tenant isolation)
Coordinate with AppSec on reviews, signoffs, and incident response
Ensure compliance with security standards such as OWASP Top 10

Mentorship & Team Development
Mentor engineers through code reviews, pairing, and technical guidance
Foster a collaborative, high-performance engineering culture
Support onboarding and ongoing growth of team members
Facilitate design discussions and resolve technical disagreements

Team Leadership & Agile Execution
Lead sprint ceremonies (planning, standups, retrospectives) and coordinate execution
Manage team capacity, remove blockers, and ensure consistent delivery
Serve as the primary point of accountability for development execution and quality
Partner with Delivery, Architecture, DevOps, and Security teams for alignment and signoffs
Act as the voice of the development team to stakeholders

Hands-On Development
Contribute actively to the codebase (C#, VB.NET, ASP.NET Core)
Perform code reviews and enforce coding standards and testing practices
Lead development of new features while supporting and improving legacy systems
Use modern tooling, including CI/CD pipelines and AI-assisted development workflows

Required Qualifications:

Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience
7+ years of professional software development experience
Strong expertise in:
- C#, VB.NET, .NET Framework, and ASP.NET Core
- SQL Server (query optimization, security, multi-tenant patterns)
- Modern architecture and migration patterns (e.g., strangler fig)
- CI/CD pipelines and containerization (Docker, Kubernetes/EKS)
- AWS ecosystem (S3, RDS/Aurora, ALB, Secrets Manager, etc.)
Experience leading agile teams and sprint ceremonies
Strong understanding of SDLC and secure development practices
Proven mentorship and leadership experience
Strong communication and cross-functional coordination skills
Experience with security tools and practices (SAST/DAST, SNYK, OWASP)

Preferred Qualifications:

8+ years of experience in software engineering
Scrum Master certification or equivalent
Experience with:
- Razor Pages, HTMX, Tailwind
- MediatR and CQRS patterns
- Multi-tenant SaaS architectures
- FedRAMP, CJIS, or GovCloud environments
- Terraform or infrastructure-as-code
Experience managing cross-team dependencies and large-scale migrations
Interest in progressing into formal engineering management

Tech Stack
Current:
VB.NET Web Forms, .NET Framework, IIS, SQL Server, jQuery
Target:
ASP.NET Core, C#, Razor Pages, HTMX, MediatR, Docker, Kubernetes (EKS), GitHub Actions, AWS

Normal Working Hours and Conditions: Core business hours are generally 8:00 am – 5:00 pm. However, this position will require work to be performed outside of normal business hours based on Company operations.

Physical Requirements: Primary functions require sufficient physical ability and mobility to work in an office setting including verbally communicating, seeing and hearing to exchange information and fine coordination including use of a computer keyboard. Daily physical functions include standing, sitting and walking for prolonged periods of time and occasionally stooping, bending, kneeling, crouching, reaching, and twisting. The employee may engage in lifting, carrying, pushing, and pulling light to moderate amounts of weight up to 25 pounds. The position also requires the operation of office equipment requiring repetitive hand movement.

Navigate360 is an Equal Opportunity Employer and does not discriminate against applicants due race, color, religion, national origin, sex, age, disability, veteran status, sexual orientation, gender identity, or other legally protected status.

Quick Apply

Refine Your Search

senior .net developer jobs in richfield, oh

Senior .NET Engineer

SR Application Engineer -Hybrid

SR Application Engineer -Hybrid

Senior Applications Developer

Senior Software Engineer

Senior Integration Developer

Engineer, Software - Senior

Senior Applications Developer

Sr. Java Developer [US Citizen]

Sr. Software Engineer II – Back End - Access Control

Senior MES Developer

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