Senior .Net Core Developer
3B Staffing LLC
Key Responsibilities
- Design, build, and operate ASP.NET Core services and APIs (REST/gRPC) with a focus on reliability, performance, and maintainability
- Build cloud-native solutions on Azure , leveraging services such as App Service / AKS , Azure networking, identity, and managed data services
- Implement modern architecture patterns: microservices , event-driven messaging , resilient integrations, and API-first design
- Establish strong engineering quality: unit/integration testing , code reviews, static analysis, security scanning, and CI/CD automation
- Build and tune observability: structured logging, metrics, tracing, dashboards, and actionable alerts
- Partner with platform and security teams to implement secure-by-default designs (identity, secrets, encryption, access controls)
- Apply agentic Copilot practices to accelerate delivery and improve quality:
- Use Copilot Agent Mode to plan/execute changes across multiple files, assist with refactors, and generate tests and documentation
- Create and maintain repo-level Copilot guidance (e.g., "copilot instructions") to standardize AI-assisted workflows across teams
- Contribute patterns for "spec → implementation" decomposition and repeatable engineering automation
- 7+ years of professional software engineering experience with strong depth in C# and .NET / ASP.NET Core
- 3+ years building and running services on AWS or Microsoft Azure (AKS/App Service, networking, identity, storage, monitoring)
- Strong experience with microservices , API design, distributed systems fundamentals, and integration patterns
- Solid experience with CI/CD , branching strategies, automated testing, and release practices
- Working knowledge of containers (Docker) and orchestration (preferably Kubernetes/AKS )
- Excellent troubleshooting skills in production environments; experience with performance tuning and incident response
Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Senior .Net Core Developer in Chicago, IL vacancy
- ...Job Title: .NET Core Developer Location: Chicago, IL(Hybrid) Job Description/Responsibilities: The ideal candidate will have... ...experience ~2+ years of Cloud development experience ~ Senior Developer with strong leadership and communication skills...Suggested
Georgia IT Inc
Chicago, IL2 days ago $55 - $60 per hour
A leading global technology firm is seeking a Senior Analyst with expertise in recruiting and staffing. The ideal candidate will manage... ...Agile methodologies. Proficiency in AWS technologies and Microsoft .NET Framework is essential. This role offers a competitive pay range...Senior- A growing software development company based in the United States is seeking an experienced developer with a strong background in Xamarin and C#. The ideal candidate should possess at least 4 years of experience in mobile application development and the software development...SeniorPermanent employmentFull time
- We are looking for an experienced Senior .NET SQL Developer / Support Engineer who will play a key role in maintaining, monitoring, troubleshooting, and enhancing enterprise applications. This position requires strong expertise in .NET, SQL, and production support, including...SeniorPermanent employmentContract workLocal areaShift workAfternoon shift
$90k - $150k
...This position will report into a Senior Director of Software... ...days a week. Role Overview and Core Responsibilities Lead FactorTrust... ...TU security standard Design, develop and implement enterprise scale... ...background in Microsoft technologies (.NET framework, SQL Servers)...SeniorFull timeTemporary workWork experience placementWork at officeLocal areaFlexible hours2 days per weekTransUnion
Chicago, IL1 day ago$130k - $150k
...Hirewell Our client is a well-known Healthcare firm seeking a Senior .NET Developer. 2-3x a week hybrid in Chicago, IL. Unable to work through... ...Microsoft .NET/C#, including modern versions of .NET including .NET Core. • 5+ years of experience demonstrating strong understanding...SeniorFull timeWork experience placement- Description Keeper Security is hiring a Senior Client Software Engineer to join our engineering... ...built for any IT environment. Its core offering, KeeperPAM®, is an AI‑enabled, cloud... ...platforms. Responsibilities Design, develop and maintain client‑side applications and...SeniorTemporary workRemote work
- ...Experience Strong and practical expertise in .NET development. Solid experience with... ...sense of ownership in getting work done. Seniority Level Mid-Senior level Employment Type... ...Technologies by 2x Get notified about new Dotnet Developer jobs in Chicago, IL. #J-18808-Ljbffr...SeniorFull timeWork at office
- A leading technology solutions provider is seeking an experienced Senior .NET SQL Developer / Support Engineer to maintain and enhance enterprise applications. You will be responsible for developing Web and Windows applications, preparing documentation, managing SQL scripts...SeniorShift work
$120k - $150k
...range $120,000.00/yr - $150,000.00/yr Job details 100% Remote Senior .NET Engineer up to $150K base This Jobot Job is hosted by Chuck Wirtz... ...with them. As a collective team, they discover, design, develop, deploy and direct their clients to solutions through digital...SeniorLocal areaRemote workFlexible hours$140k - $200k
...seems to be working. We’re #1 in our category, and experiencing exponential growth. Overview We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify’s product...SeniorRemote work- ...information. For more information, visit The Core Platform team facilitates millions of API... ...the sources of truth for Reddit. As a Senior Engineer on this team, you’ll be a... ...build the future of Reddit! You will: Develop and design new and innovative solutions to...SeniorRemote workFlexible hours
- ...Senior MDM Solutions Architect / Principal Consultant (Syndigo / Riversand) Key Requirements (Bullhorn / LinkedIn / AI Hunting Tool) # Mandatory experience with Syndigo and/or Riversand MDM platform (current or previous experience required). # Strong experience...Senior
Myticas Consulting
Chicago, IL2 days ago - ...Job Title:.NET Developer with VB6 Location: Chicago (Local or day one relocation candidates only) Duration: 6+ Months Job Description: Note: Need to be your companies W2 Candidate for this position. Do not submit consultants through layers. 1. Understands...Local areaRelocation
Zortech Solutions
Chicago, IL3 days ago - ...Senior Director, Principal Gifts About the Company Philanthropic organization supporting Indigenous culture & individuals... ...and a proven track record in fundraising, particularly with high net-worth donors. The ideal candidate will have 8-12+ years' of progressive...Senior
Confidential
Chicago, IL2 days ago - The University of Chicago is seeking a Senior Gifts professional in MBSD to implement programs and meet fundraising goals with moderate guidance. You will build relationships with alumni, faculty, administrators and organizations with potential to make principal gifts,...Senior
- ...Job Title Skills: Chatbot development using Python, Dialog flow. Conversational flow, AWS, C#,.Net /.Net core, Restful APIs development Responsibilities Proficient in .NET framework, including asp.net, MVC, and web API for building robust web applications....
Omni Inclusive
Chicago, IL1 day ago $111.1k - $170.3k
...Hybrid) to build an enterprise payments platform. Responsibilities include designing and maintaining payment services using C# and .NET/.NET Core, integrating with payment processors, and troubleshooting issues. Required qualifications are 5–10 years of software engineering...SeniorCamping World
Chicago, IL19 hours ago$210k - $256.67k
Infosys is seeking a Senior Principal with expertise in healthcare program management to join their consulting team in Chicago. This leadership role involves managing transformative strategy programs and overseeing project proposals in the healthcare payer sector. The...Senior- This is an ONSITE position. Please find below additional details about this job. Job Description Senior Level C# ASP.NET Enterprise Developer who has experience working in large organizations. Interoperability experience across mainline ERP systems. Strong experience in...
- ....NET / C# Developer blueStone Recruiting is a national search firm with a focus of placing top ERP talent from the Analyst level to Architects with prestigious organizations nationwide Our client is a household name Fortune 500 company. They are looking to increase...
Bluestone Solutions Group
Chicago, IL4 days ago - A technology solutions company based in Chicago is seeking a skilled .Net Developer. The ideal candidate should have strong development experience with C#, a solid understanding of OOP concepts, and familiarity with technologies such as Webservice, WCF, MVC4, and SQL Server...
$120k - $150k
...platform. The ideal candidate will bring roughly equal strength in C#/.NET software engineering and advanced SQL Server and data... ...applications, REST APIs, and microservices using C# and .NET 8 Develop complex T-SQL queries, stored procedures, functions, and views...SeniorRemote workShift work$65 - $68 per hour
...Job Title:.NET Developer Position Details: Industry: Banking/Finance Work Location: Chicago, IL (Fully Onsite) Duration: 12 Months... ...web applications ~ Strong hands-on experience with.NET/.NET Core development ~ Strong experience with React or Angular (...Hourly payTemporary workBanking
Chicago, IL1 day ago- ...someone that wants to be apart of a team with some of the brightest developers in the logistics industry. You will have an opportunity to be... ...8-10 Years of development experience ~ Experience coding in .NET ~ Knowledge of .NET, WPF/XAML (MVVM) ~ Experience with real...SeniorFull time
360 -tsg
Chicago, IL19 hours ago - ...Job Posting Title: .NET Full Stack Developer Location: Louisville, KY / Chicago, IL / Dallas, TX / Arlington, VA Duration: Fulltime Job Description: • Hands on experience in Vue3Js,.NET, NodeJs (Mandatory) • Firm grasp of the JavaScript and TypeScript...Full timeImmediate startRelocation
JConnect Infotech
Chicago, IL4 days ago - ...NET Developer III Location: Chicago, IL (Hybrid-Day 1 Onsite) Duration: Longterm Notes: Will conduct interviews via video... ...services orchestration layer across functionalities. As a senior software developer, you will be responsible for the development...Work experience placementLocal areaRemote workRelocation
Zortech Solutions
Chicago, IL4 days ago - ...most updated copy of your resume in word document ASAP Duration: 6 Months Location: Chicago, IL Immediate Interview • Strong .Net back-end developer, with some front-end experience • Able to confidently speak about previous projects and C# and Object-Oriented programming...Immediate start
- ...critical role in helping customers design, develop, and mature their cyber resilience... ...Manage renewals, upsells, expansions, and net new logo acquisition to drive account growth... ...dashboards ~Experience working with C-suite and senior executive stakeholders, including CISOs,...SeniorContract workFlexible hours
NCC Group
Chicago, IL9 days ago - ...Full Stack .NET Developer Location: Evanston, IL Duration: 4-6 Months Rate: DOE US Citizens And Green Cards Only. No Third-party C2C Available For This Job We need to identify the suitable candidate ASAP. Hence kindly request you to please take required at...Casual workWork at officeLocal areaImmediate start2 days per week
Georgia IT Inc
Evanston, IL1 day ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior .Net Core Developer. Be the first to apply!
Related searches
- .net developer Chicago, IL
- senior net developer remote Chicago, IL
- .net engineer Chicago, IL
- microsoft .net developer Chicago, IL
- senior .net developer Chicago, IL
- sr net developer Chicago, IL
- c# .net web developer Chicago, IL
- senior c# .net software developer Chicago, IL
- senior business analyst Chicago, IL
- senior risk manager Chicago, IL