Senior Software Engineer (C# / .NET) Job at Tech Holding

Senior Software Engineer (C#.NET, SQL Server)

We’re partnering with a growing, product-driven organization that’s rebuilding a...

Location

United States , Cedar Rapids

Salary:

100000.00 - 125000.00 USD / Year

Robert Half

Expiration Date

Until further notice

Requirements

Senior-level experience building and maintaining web-based software systems, huge plus having built a new Content Management System from the ground up
Deep strength in backend development with a modern, object-oriented language and relational databases
Strong experience with frontend frameworks and modern JavaScript-based UIs
Solid grounding in enterprise software design principles (clean architecture, design patterns, scalable systems)
Comfort mentoring other developers and helping teams do their best work
Experience working in CI/CD environments with automated testing
Working knowledge of common web security risks and best practices

Job Responsibility

Designing and building a new, modern web platform, a CMS - Content Management System, using established backend and frontend technologies (C#.Net, SQL Server)
Leading small project teams while remaining deeply hands-on in development
Translating business and user needs into clean, scalable technical solutions
Acting as a go-to expert across the stack, offering guidance internally and to external stakeholders
Improving existing systems with an eye toward performance, security, and long-term maintainability
Writing high-quality code, automated tests, and technical documentation
Setting and maintaining engineering standards across CI/CD workflows, code quality, and system design
Collaborating closely with cross-functional partners and periodically demoing solutions to end users

What we offer

medical
vision
dental
life and disability insurance
company 401(k) plan

Fulltime

Senior C#.Net Software Engineer

We are looking to recruit an SC Cleared Senior C#.Net Software Engineer for a le...

Location

United Kingdom

Salary:

80000.00 - 90000.00 GBP / Year

DataCareers

Expiration Date

Until further notice

Requirements

Strong experience with .NET / C# development
Solid background building and consuming REST APIs
Hands-on experience with Microsoft Azure
Experience with Azure DevOps and CI/CD pipelines
Good understanding of authentication and security (OAuth, JWT, API security)
Experience writing unit and integration tests (xUnit, NUnit or similar)
Proven experience in production environments

Job Responsibility

Design, build, and maintain applications using .NET (Core/Framework) and C#
Develop and integrate RESTful APIs in a secure, scalable environment
Work with Azure services (App Services, Functions, Storage, SQL)
Build and optimise CI/CD pipelines using Azure DevOps
Embed best practice across security, testing, and code quality
Lead on improving engineering processes and standards
Drive adoption of AI coding tools (e.g. GitHub Copilot, Claude) to enhance productivity and consistency

Fulltime

Senior Software Engineer (.NET / C#)

Brightree, a ResMed company, is looking for a Senior Software Engineer to join t...

Location

United States , Peachtree Corners, GA

Salary:

Not provided

ResMed

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science or related field
5+ years of experience in software engineering, preferably using Microsoft technologies in a web-based, high-traffic system
Strong architectural design skills, with experience building scalable, distributed, and event-driven systems
Expertise in ASP.NET, including Razor, WebForms, Web API, WCF, JavaScript, CSS, and caching services
Proficiency in MS SQL Server (T-SQL/SQL) in a high-volume transaction environment
4+ years of experience developing and operating applications in AWS, with a strong understanding of key AWS services and tools
3+ years of experience developing front-end applications using React or React Native or other front-end framework
Proven ability to design and implement RESTful APIs and microservices
Hands-on experience with CI/CD pipelines, deployment strategies, and zero-downtime deployments
Production experience with event-driven architectures or message-broker solutions (e.g., Kafka, RabbitMQ)

Job Responsibility

Own and lead architecture discussions, designing highly scalable, performant, and resilient software solutions in a cloud-native environment
Demonstrate strong ownership of software components from design to deployment, ensuring system reliability and maintainability
Apply AI-assisted development tools (e.g., GitHub Copilot, Augment, MCP servers, and Agentic AI frameworks) to enhance productivity and code quality
Design data-centric architectures, treating data as a first-class citizen for secure transport, storage, and analytics
Champion a quality-first approach, implementing unit tests, automation frameworks, and robust functional testing
Identify codebase and system design gaps, setting and maintaining high-quality engineering standards through code, security, and design reviews
Enhance product scalability and self-service capabilities, ensuring efficient onboarding and customer adoption
Take an active role in mentoring junior engineers, sharing technical expertise, and fostering a culture of collaboration and innovation
Support hiring efforts, participating in interviews and attracting top engineering talent

Fulltime

Senior Software Engineer – C#/.NET, Angular, Security & Compliance

We are seeking a seasoned Senior Software Engineer with deep expertise in C#/.NE...

Location

India , Hyderabad

Salary:

Not provided

Codvo AI

Expiration Date

Until further notice

Requirements

Strong hands-on experience in C#/.NET (Framework and Core) and Angular (v8+)
Exposure to SOA and microservices architecture in recent implementations
Familiarity with OWASP Top 10 and secure coding practices
Experience working with legacy codebases and refactoring strategies
Knowledge of Black Duck or similar software composition analysis tools
Experience integrating third-party connectors in enterprise environments
Understanding of secure data processing, input validation, output encoding, and JWT management
Excellent debugging and problem-solving skills

Job Responsibility

Maintain and enhance legacy applications built on C#/.NET with Angular front-end components
Implement bug fixes and security patches identified through compliance testing and tools like Black Duck
Apply OWASP best practices to secure service-oriented architectures (SOA) and modern microservices
Collaborate with external vendors to integrate and maintain third-party connectors
Conduct code reviews and ensure adherence to secure coding standards
Participate in secure SDLC activities including threat modeling, static analysis, and test-driven security
Document technical changes and maintain traceability for compliance audits

Fulltime

Senior C# Software Engineer

As a Senior C# Software Engineer, you will take ownership of major components an...

Location

South Africa , Gauteng - Northern Suburbs

Salary:

Not provided

Skye Business Solutions

Expiration Date

Until further notice

Requirements

6–9 years of software development experience, with demonstrated ownership of complex systems
Strong professional experience in C#/.NET (backend and/or services), including design and refactoring for maintainability
Proven experience leading technical work: design input, complex debugging across components, and delivery ownership
Solid SQL experience (performance considerations, query refactoring, data integrity)
Practical experience working in an agile delivery environment and using Azure DevOps (or equivalent), with the ability to mentor others in good usage
Bachelor’s degree in a relevant field (e.g., Computer Science, Software Engineering, Information Systems)

Job Responsibility

Design, build, and maintain C#/.NET services and components that meet quality and performance expectations
Take end‑to‑end ownership of complex work: analysis, design, implementation, testing, deployment readiness, and operational support
Drive refactoring and technical debt reduction with a focus on maintainability and business value
Lead or contribute to design reviews and architecture discussions across teams
Apply strong design principles (e.g., SOLID) and guide others in their practical application
Make strategic technical decisions that improve system health and reduce long‑term complexity
Set and uphold coding standards and engineering practices within the team
Help define and reinforce a strong testing culture (unit, integration, component, regression as appropriate)
Raise the quality bar through reviews, coaching, and pragmatic improvements to the Definition of Done
Use Azure DevOps effectively for delivery transparency and discipline (work items, code reviews, pipelines, traceability)

Fulltime

Senior .NET Software Engineer (Data Infrastructure)

At the core of Bentley's global infrastructure solutions lies a critical data se...

Location

Lithuania , Vilnius; Kaunas

Salary:

4000.00 EUR / Month

Bentley Systems

Expiration Date

Until further notice

Requirements

A Bachelor’s degree in Computer Science, Software Engineering, or a related field
At least 5 years of proven experience in software development with C#, .NET Core, and a strong understanding of OOP, data structures, and test frameworks
Expert-level, hands-on experience with major object storage platforms (Azure Blob Storage, Google Cloud Storage, AWS S3). This must include deep knowledge of storage usage optimization, lifecycle policies, and designing cost-efficient data access patterns
Solid experience with Docker and Kubernetes for deploying and managing containerized applications
Proven ability to write clean, maintainable, testable, and secure code, with an intuitive understanding of the long-term impact of architectural decisions
A self-motivated and proactive mindset, with the ability to work effectively as an individual contributor and as part of a high-performing team in an Agile/Scrum environment
Strong verbal and written communication skills in English

Job Responsibility

Architecting for Scale & Stability: Design and develop robust, event-driven cloud services and core components, with a primary focus on stability, performance, and long-term maintainability
Modernizing Our Storage Solutions: Implement and optimize solutions using the latest cloud object storage technologies (Google Cloud storage, Azure Blob, AWS S3, etc.) to enhance performance and cost-efficiency
Hands-On Implementation: Use the latest .NET development tools to turn complex architectural designs into high-quality, production-ready software
Championing DevOps & Automation: Develop and utilize fully automated CI/CD pipelines to deliver both application and infrastructure changes seamlessly and safely into production
Driving Technical Excellence: Mentor and share your deep expertise with colleagues, elevating the team's technical capabilities
Ensuring System Health: Support the existing code base, troubleshoot complex production issues, and collaborate across teams to ensure end-to-end service reliability

What we offer

A great Team and culture
An exciting career as an integral part of a world-leading software company
An attractive salary and benefits package
A commitment to inclusion, belonging and colleague wellbeing
Training and professional development opportunities (certifications programs, conferences etc.)
Additional annual leave days and extra paid days for different occasions (marriage, moving day, bereavement leave etc.)
Health insurance package and accidents insurance 24/7
Referral program with bonuses
Extra paid day for volunteering in the organization of your choice
Ability to work from office or hybrid from home

Fulltime

Senior .NET Software Engineer

Join us as a Senior .NET Software Engineer at Barclays, where you'll spearhead t...

Location

Czechia , Prague

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Strong Experience in .NET development (preferably C#)
Understanding of .NET ecosystem and asp.net applications
Knowledge of the design patterns and their application in real solutions

Job Responsibility

Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth
Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions
Implementation of effective unit testing practices to ensure proper code design, readability, and reliability

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime