Senior Software Engineer (Modern .NET)
$120k - $160kComputer Information Concepts
Location : Remote — must reside in CO, FL, IA, IL, KS, MO, NE, OH, or TN
Travel : Twice yearly — company offsite and customer conference
Salary : $120,000–$160,000 annually depending on experience
Reports to : CTO
**Applicants will receive a Culture Index survey by email after applying. Completion of the survey is a required step in our hiring process. **
About the Company
We are an established software company with a long history of serving county and city governments. Today, we are transforming a broad portfolio of Windows-based applications into a modern SaaS suite of integrated products.
Our engineering organization supports both established products and the development of our next-generation SaaS platform. As products transition to the new platform, an increasing share of our engineering investment will focus on modernization.
Role Overview
As a Senior Software Engineer (Modern .NET), you will play a key role in building new web-based ERP products for county and city governments.
This is a senior, backend-focused individual contributor role with meaningful ownership and influence. You will design and deliver substantial product capabilities—from domain and API design through data modeling, testing, deployment, and production support. Success in this role means taking ownership, making sound technical tradeoffs, and delivering reliable, maintainable software that the team can build on over time.
Our backend stack is C#/.NET and ASP.NET Core using vertical slice architecture, backed by EF Core + SQL Server and running in Azure. Our frontend is built with React and TypeScript. You will work closely with platform, frontend, product, design, and domain experts to turn complex government workflows into reliable, maintainable software. You will also help shape backend standards and product architecture as the new platform evolves.
Key Responsibilities
- Design and deliver REST APIs, domain logic, and background workflows for finance, payroll, and future ERP product areas.
- Model durable data structures and manage EF Core migrations, SQL performance, and production data changes.
- Own complex capabilities from technical discovery and design through implementation, deployment, and production follow-up.
- Partner with product, design, and frontend engineering to break complex workflows into practical, testable increments.
- Help define integration and data-import approaches as customers transition from established desktop products to the new SaaS suite.
- Build appropriate unit and integration testing around business rules, API contracts, data integrity, and failure scenarios.
- Collaborate with the platform lead on CI/CD, observability, infrastructure, releases, and production diagnosis.
- Design secure, permission-aware, and auditable workflows appropriate for financial and government software.
- Contribute to technical leadership through code review, mentoring, documentation, and shared engineering standards.
Qualifications
- 6+ years of professional software engineering experience, including meaningful ownership of production backend systems.
- Strong production experience with C#/.NET and ASP.NET Core.
- Strong fundamentals in REST APIs, application architecture, and data modeling.
- Production experience with relational databases, including SQL Server, EF Core, schema migrations, and query optimization.
- Strong unit and integration testing practices, with the ability to align testing effort to technical and business risk.
- Experience deploying or operating cloud-hosted applications, preferably in Azure.
- Experience working with CI/CD pipelines and Git-based development workflows.
- Working familiarity with modern frontend architecture and browser/API integration; deep frontend specialization is not required.
- Strong collaboration and communication skills, with experience working across engineering, product, and design
- Experience using AI-assisted development tools responsibly while maintaining ownership of design, security, and code quality.
Preferred Qualifications
- Production experience with React, Angular, Vue, or another modern TypeScript framework.
- Familiarity with Figma or similar design collaboration tools.
- Experience with infrastructure-as-code tools such as Terraform or Bicep.
- Greenfield or 0-to-1 product development experience.
- Experience modernizing desktop or client/server applications into SaaS products.
- Experience with finance, payroll, ERP, fintech, or local-government software.
- Experience working in regulated or audit-focused environments, including SOC 2, GovRAMP, or FedRAMP readiness.
Why Join CIC
- Help build the backend and data foundations of a new ERP platform backed by decades of customer and domain knowledge.
- Own meaningful product capabilities from design through production.
- Influence technical patterns and architecture while the platform is still taking shape.
- Work with experienced engineering, product, design, and domain professionals in a lean, collaborative team.
- Build software that local governments rely on to support important financial and operational workflows.
- Medical, dental, and vision coverage, with the company paying 75% of monthly premiums.
- 401(k) with company contributions.
- Vacation, sick leave, and paid holidays to support work-life balance.
$56.57k - $143.12k
...network architecture, reverse engineering, software and hardware development... ...development of Web solutions using .Net framework and the latest... ...Sofware Engineer Senior - Min $83,028 - Target - $11... ...stack. Build web API using modern frameworks such as .NET Core...Senior.netFull timeWork experience placementLocal areaWorldwide- ...Wellmark is building innovative, modern solutions using cutting edge... ...is seeking two talented Software Engineers to join the Enterprise Data Services... ..., and CI/CD practices. As a Senior Software Engineer, you will... ..., NodeJS, TypeScript, C++, .NET, Java, SQL) OR 6 years of...Senior.netPermanent employmentH1b
$94k - $115k
...capabilities for critical business functions.The Senior Software Engineer will serve as a hands-on Murex Developer... ...SQL Server, Oracle, SSIS, SSRS, .NET/C#, Java, Python, APIs, batch scheduling, test automation, and cloud or modern data platforms. Provides support for...Senior.netFull timeContract workWork at officeRemote workWorldwideWork visaRelocation packageFlexible hours3 days per week- ...and bring value.Job Summary:Greenstone is seeking a mid-level Software Engineer to join our integrations team. This role is ideal for someone... ...in an enterprise B2B context.• Strong proficiency in C# and .NET Core.• Experience with B2B integration patterns (e.g., REST, SOAP...Senior.netFull timeRemote work
$130k - $170k
What You'll DoWe’re looking for a Senior Software Engineer II to join our Retirement & Income Solutions (RIS) organization, supporting a critical modernization initiative across the enterprise. This role sits on a newly formed engineering enablement team, where you’ll help...SeniorHourly payPermanent employmentTemporary workWork experience placementH1bWork at officeRemote work- ...position by sending your details to ****@*****.*** A senior software engineer designs and builds enterprise application systems and responds... ...Qualifications : ~Three or more years of experience in ASP.NET web design and development in C#. ~Three or more years of...Senior.net
- The software engineer participates in the design, programming, testing, documentation and implementation... ...knowledge with hands-on experience in .NET and/or Java. Other current programming... ...knowledge with hands-on experience in modern web frameworks, such as React or Angular...Senior.netPermanent employmentWork experience placementH1bLocal area
- ...is building innovative, modern solutions using cutting... ...of high performing software solutions that are efficient... ..., TypeScript, C++, .NET, Java, SQL) OR 6 years... ...patterns.Experience mentoring engineers and providing technical... ...level: Mid-Senior LevelIndustry: InsuranceSenior.netPermanent employmentH1b
- ...is building innovative, modern solutions using cutting... ...-performing, scalable software and data solutions that... ...a focus on modern data engineering practices and emerging... ...role can be filled at the Senior or Lead level. Please... ...NodeJS, TypeScript, C++, .NET, Java, SQL) OR 9 years...Senior.netPermanent employmentH1b
- ...DescriptionOld Republic Bitco is seeking is seeking a Senior Software Developer to join our Home Office located in... ...financial services is a major plus.Expertise in Modern Microsoft Technologies: Proven skills in C#, .NET (Blazor/Razor, Entity Framework), SQL, and Microsoft...Senior.netTemporary workHome officeFlexible hours
- ...Senior .NET Developer Location: Des Moines, Iowa, USA | Type: CTC, W2, Full-Time |... ...improvement Professional development in modern DevOps and cloud technologies Key Responsibilities... ...continuous improvement throughout the software development lifecycle. Contact: pan....Senior.netFull time
- ...Description Position Overview: The Senior Software Engineer – Full Stack is responsible for designing... ...position plays a key role in shaping modern cloud-based application architecture, improving... ....js and modern front-end tooling .NET / .NET Core C# SQL and relational...Senior.netRemote workFlexible hours
- ...Senior UI/UX & Front-End Developer (Angular/.NET) Who We Are: The Iowa Farm Bureau Federation (IFBF) is committed... ...Development: Design and implement modern, visually appealing user... ...designers, product managers, and backend engineers. Stay up to date with the latest...Senior.netFull timeWork at office
- ...Best-in-Class Employer by Gallagher ++About The Role++ The Senior Software Engineer role is responsible for developing, maintaining, and improving... ...that support business needs, with a focus on C#, ASP.NET, Entity Framework, Blazor, and Microsoft SQL Server as well...Senior.netRemote work
$94k - $120k
...help us continue to change with it.The Senior Software Engineer utilizes web and cloud technologies, APIs... ...Framework, IIS, Swagger, Odata, .NET API 2, .NET API Core, AutoMapper)Knowledge... ...automation) in a Ci/CD pipelineFamiliarity with modern frontend development frameworks (e.g....Senior.netFull timeContract workWork at officeLocal areaRemote workWorldwideWork visaRelocation packageFlexible hours3 days per week- Overview We're hiring! Kemin is seeking a Senior Software Engineer to join our team in Des Moines, Iowa. As a Senior Software Engineer, you will... ...Lead the design and development of complex features across .NET services, Angular, Flutter mobile, and middleware layers, aligned...Senior.netSecond jobWork at officeLocal areaRemote work3 days per week
$127k - $171k
What You'll DoWe’re looking for a Senior Software Engineer to join our Retirement & Income Solutions (RIS) business. In this role, you’ll serve... ...leader providing architectural oversight for the modernization of our process orchestration and workflow platform by designing...SeniorHourly payPermanent employmentTemporary workWork experience placementH1bWork at office$130k - $170k
What You'll DoWe’re looking for a Senior Software Engineer to join our Retirement & Income Solutions (RIS) business. In this role, you’ll be... ...lead providing architectural oversight for the modernization of our retirement recordkeeping platform by designing scalable...SeniorHourly payPermanent employmentTemporary workWork experience placementH1bWork at officeRemote work$94k - $120k
...com . Job Description Summary The Senior Software Engineer utilizes web and cloud technologies,... ...Entity Framework, IIS, Swagger, Odata, .NET API 2, .NET API Core, AutoMapper) Knowledge... ...a Ci/CD pipeline Familiarity with modern frontend development frameworks (e.g....Senior.netFull timeContract workWork at officeLocal areaRemote workWorldwideWork visaRelocation package3 days per week- ...Job Title: Senior Site Reliability Engineer Job ID: 26-02914 Location: Urbandale, IA, 50322 Duration... ..., performance, and security of software applications. Evaluates and implements... ...Java, Java(Scala), JavaScript, .NET, Go, Python and others are used in...Senior.netContract work
- ...requires attendance during standard business hours Monday through Friday, with on-site presence strongly preferred. As a Senior .NET Developer, your responsibilities will include: • Designing and implementing scalable DevOps processes to support the...Senior.netRemote workMonday to Friday
$77k - $156k
What You'll DoAs an Experienced Software Engineer at Principal, you’ll work with engineers to help lead our efforts to continue modernizing our technology and to enable great solutions for... ...: AWS, Java, Python, TypeScript, .NET, Salesforce (Apex, Lightning), mainframe....netHourly payPermanent employmentTemporary workWork experience placementH1bWork at officeLocal area3 days per week- ...Technology,Recruiting / Staffing,Software,Telecommunications Are you an experienced Software Engineer who enjoys solving complex... ...in agile environments, embrace modern engineering practices, and want... ...high-impact projects.The RoleAs a Senior Software Engineer, you'll play...SeniorRemote workVisa sponsorshipFree visaFlexible hours
- ...Wellmark is building innovative, modern solutions using cutting edge... ..., maintain, and document software solutions in support of Wellmark... ...Angular, NodeJS, TypeScript, C++, .NET, Java, SQL) OR 5+ years of... ...timeFunction: FinanceExperience level: Mid-Senior LevelIndustry: Insurance.netPermanent employmentH1b
$183.8k - $263.6k
...distributed security infrastructure for modern networking environments. Within Hypershield... ...is responsible for core control plane software that enables policy configuration,... ...integration. You will work closely with engineers across control plane, data plane, and platform...SeniorFull timeTemporary workLocal areaRemote workFlexible hours$86.8k - $165.2k
...Collins Aerospace is currently seeking qualified candidates for Senior Software Engineer roles in our Military Avionics Flight Management department... ...relocation.Learn More & Apply Now!Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible...SeniorPermanent employmentTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours$86.8k - $165.2k
...of aerospace and defense.Collins Aerospace is looking for a Senior Software Engineer with a passion for engineering and the desire to be part of... ..., AI/ML assisted development and test automation and a modern tool chain.Qualifications You Must Have:Typically requires...SeniorTemporary workWork experience placementStart working todayWork at officeRemote workFlexible hours$86.8k - $165.2k
...Technology is Collins’ startup-style innovation engine. Small, focused teams explore, prototype... ..., at the range, and on platforms. As a Senior Software Engineer, you join a small, high-impact... ..., Rust, Python, Bash). Proficient with modern build systems (Make, CMake, SCons) and...SeniorTemporary workWork experience placementWork at officeRemote workRelocation packageFlexible hours$86.8k - $165.2k
...seeking a qualified candidate to fill the role of the Product Line Software Engineer within the Open Platforms Applications Software department... ...relocation.Learn More & Apply Now!Collins Aerospace makes modern flight possible. Of course, that wouldn’t be possible without...SeniorContract workTemporary workWork experience placementWork at officeRemote workRelocationFlexible hours- ...Job Description Job Description Job Summary The Sr. Software Engineer - External Data Integrations will code, test, and document software... ...secure external integrations, including APIs built using .NET and Azure services, file-based interfaces, and ETL processes supporting...Senior.netWork at officeRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer (Modern .NET). Be the first to apply!
- agile software developer Iowa
- experienced software developer Iowa
- software developer fintech Iowa
- financial software developer Iowa
- software engineer Iowa
- part time software developer remote Iowa
- junior software developer remote Iowa
- software engineer travel Iowa
- federal - software developer Iowa
- security software engineer Iowa



