Let’s get started
By clicking ‘Next’, I agree to the Terms of Service
and Privacy Policy
Jobs / Job page
Senior Back-end Developer (.NET) image - Rise Careers
Job details

Senior Back-end Developer (.NET)

BlueFlag LLC is seeking an experienced Senior Back-End Engineer with expertise in .NET to join our team. In this remote role, you will design and develop robust, scalable back-end systems that power our web applications. Collaborate closely with front-end engineers working with Angular and TypeScript, as well as UI/UX designers, to ensure seamless integration and deliver exceptional user experiences. Your work will leverage technologies such as .NET, C#, Postgres, CosmosDB, Redis, Azure, and ASP.NET to drive performance, security, and scalability.

What You'll Do

  • Architect and develop scalable, high-performance back-end systems using .NET and C#.
  • Design, implement, and maintain RESTful APIs for front-end consumption and third-party integrations.
  • Collaborate with front-end engineers to ensure seamless integration between back-end services and front-end applications built with Angular and TypeScript.
  • Manage and optimize databases, including Postgres, CosmosDB, and Redis, ensuring data integrity, performance, and scalability.
  • Leverage Azure cloud services for deployment, scaling, and monitoring of back-end systems.
  • Optimize back-end performance, identifying and resolving bottlenecks in application and database layers.
  • Implement security best practices to protect sensitive data and ensure compliance with industry standards.
  • Participate in code reviews and mentor team members.
  • Stay current with emerging back-end technologies and frameworks.
  • Participate in Agile development cycles, contributing to sprint planning, refinement, and retrospectives.
  • Ensure code quality through automated testing and enforce coding standards across the development team.
  • Work with product managers to define and refine project scope, timelines, and deliverables.

Why Join BlueFlag

At BlueFlag, we value innovation and excellence. You'll work on transformative projects in a flexible, remote environment where your contributions are valued and encouraged.

If you're ready to leverage your front-end development skills in an impactful way, we want to hear from you. Join BlueFlag and be part of a team that’s changing the landscape of technology!

  • Extensive experience with .NET framework and C#, with a strong portfolio showcasing recent back-end projects.
  • Proven ability to design and implement scalable, high-performance APIs using ASP.NET.
  • Proficiency in working with relational and NoSQL databases, including Postgres, CosmosDB, and Redis.
  • Strong experience with Azure cloud services, including deployment, scaling, and monitoring of back-end applications.
  • Understanding of security best practices for back-end systems, including authentication, authorization, and data protection.
  • Familiarity with front-end technologies such as Angular and TypeScript to facilitate effective collaboration with front-end teams.
  • Experience with version control systems, especially GitHub.
  • Excellent communication and teamwork skills.
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field.
  • 5+ years of professional experience in back-end development.

This position is eligible for supplemental health insurance for both the employee and family.

The role also includes paid time off.

What You Should Know About Senior Back-end Developer (.NET), BlueFlag LLP

BlueFlag LLC is on the lookout for a passionate and experienced Senior Back-End Developer (.NET) to join our remote team! If you thrive in a collaborative environment where your skills can shine, this role is perfect for you. As a Senior Back-End Developer, you'll be at the forefront of designing and developing robust back-end systems that power our innovative web applications. You will be working closely with talented front-end engineers who specialize in Angular and TypeScript, as well as our creative UI/UX designers. Together, you'll ensure that the integration between the back and front ends is seamless, leading to exceptional user experiences. Your expertise in .NET, C#, and various databases is essential as you architect scalable systems, manage databases like Postgres and CosmosDB, and leverage Azure for deployment and monitoring. We value security, so implementing best practices to protect sensitive data is a key responsibility. Moreover, you'll get the chance to mentor team members and participate in Agile development cycles, actively contributing to how we build and refine our projects. At BlueFlag, we cherish innovation and excellence; your contributions will not just be noted but celebrated within our flexible and supportive work culture. If you're excited about leveraging your back-end development skills to make a real impact, we want to hear from you!

Frequently Asked Questions (FAQs) for Senior Back-end Developer (.NET) Role at BlueFlag LLP
What are the responsibilities of a Senior Back-End Developer at BlueFlag LLC?

As a Senior Back-End Developer (.NET) at BlueFlag LLC, your primary responsibilities will include designing and developing high-performance back-end systems using .NET and C#. You'll implement RESTful APIs, collaborate with front-end teams for seamless integration, manage databases like Postgres and CosmosDB, and utilize Azure for deployment and monitoring. Security best practices are crucial, and you'll participate in Agile cycles and mentor junior team members.

Join Rise to see the full answer
What qualifications are needed for the Senior Back-End Developer position at BlueFlag LLC?

To qualify for the Senior Back-End Developer position at BlueFlag LLC, you should have a Bachelor’s degree in Computer Science or a related field, along with extensive experience with the .NET framework and C#. Proven ability in designing scalable APIs, proficiency with both relational and NoSQL databases, strong knowledge of Azure cloud services, and effective communication skills will also be essential for this role.

Join Rise to see the full answer
What technologies will a Senior Back-End Developer work with at BlueFlag LLC?

In the role of Senior Back-End Developer at BlueFlag LLC, you'll work with a variety of technologies including .NET, C#, Postgres, CosmosDB, Redis, and Azure services. You'll also ensure the integration with front-end applications built using Angular and TypeScript, which fosters a well-rounded development experience.

Join Rise to see the full answer
Is remote work an option for the Senior Back-End Developer role at BlueFlag LLC?

Absolutely! The Senior Back-End Developer position at BlueFlag LLC is fully remote. We believe in a flexible working environment that allows our team members to excel in their roles while maintaining work-life balance. You can contribute from anywhere and still feel connected to the team.

Join Rise to see the full answer
What is the working culture like at BlueFlag LLC for a Senior Back-End Developer?

At BlueFlag LLC, the working culture for a Senior Back-End Developer is centered around collaboration, innovation, and continuous learning. You'll be part of a supportive team that values your contributions and encourages you to leverage your skills in impactful ways. We participate in Agile methodologies, promoting effective teamwork, feedback, and project refinement.

Join Rise to see the full answer
Common Interview Questions for Senior Back-end Developer (.NET)
Can you describe your experience with the .NET framework?

When answering this question, reflect on specific projects where you've successfully used the .NET framework. Discuss your understanding of various versions and how you utilized components like ASP.NET for building robust applications.

Join Rise to see the full answer
What strategies do you use to optimize database performance?

In your response, emphasize specific techniques like indexing, query optimization, and database normalization. Give examples from your work experience at BlueFlag LLC or past roles, focusing on results achieved through these strategies.

Join Rise to see the full answer
How do you ensure the integration between back-end services and front-end applications?

Discuss your collaborative process with front-end teams, mentioning tools and methodologies like RESTful APIs and documentation standards that you follow to facilitate smooth integration between back-end and front-end.

Join Rise to see the full answer
What security measures do you implement in back-end systems?

Highlight your knowledge of security best practices such as data encryption, authentication, and authorization processes. Provide examples of situations where these measures were crucial to project success.

Join Rise to see the full answer
Can you give an example of a challenging bug you solved?

Share a detailed story of a past bug that you encountered in a project. Explain how you diagnosed the issue, the steps you took to resolve it, and the lessons learned that improved your debugging skills in the future.

Join Rise to see the full answer
How do you keep up with emerging back-end technologies?

Your answer should reflect a proactive approach. Mention specific blogs, podcasts, or forums you follow and describe how you apply new technologies and practices to your work at BlueFlag LLC.

Join Rise to see the full answer
Explain your experience with Agile development methodologies.

Discuss your involvement in Agile processes, such as sprint planning and retrospectives. Provide examples showcasing your contributions during these cycles and how they’ve improved team performance and project outcomes.

Join Rise to see the full answer
What is your experience with cloud services, particularly Azure?

Summarize your experience using Azure for deployment, scaling, and monitoring applications. Mention specific Azure services you've utilized and how they benefited your projects at BlueFlag LLC.

Join Rise to see the full answer
How do you approach code reviewing?

Describe your methodology for conducting code reviews, emphasizing the importance of best practices, constructive feedback, and ensuring adherence to coding standards. Maybe provide an example of how this has improved team performance in previous roles.

Join Rise to see the full answer
Why do you want to work at BlueFlag LLC as a Senior Back-End Developer?

Share your passion for technology and innovation. Highlight what excites you about BlueFlag LLC's projects and culture, and explain how your skills will directly contribute to the company's goals and mission.

Join Rise to see the full answer
Similar Jobs
Photo of the Rise User
Posted 9 days ago
Inclusive & Diverse
Mission Driven
Rise from Within
Diversity of Opinions
Work/Life Harmony
Empathetic
Feedback Forward
Take Risks
Collaboration over Competition
Medical Insurance
Dental Insurance
Vision Insurance
Mental Health Resources
Life insurance
Disability Insurance
Health Savings Account (HSA)
Flexible Spending Account (FSA)
Conferences Stipend
Paid Time-Off
Maternity Leave
Equity

Become a pivotal part of ServiceNow, a leader in AI technology, as a Senior Staff Software Engineer focused on enhancing and building platform applications.

Photo of the Rise User
Persist Ventures Remote No location specified
Posted yesterday

Lead the development of an innovative dating app that merges real-life events with AI-powered matchmaking as a founding Flutter Developer.

Photo of the Rise User
ManTech Hybrid US, Loudoun County, VA; Virginia, Chantilly, Loudoun County, VA
Posted 3 days ago

Seeking a skilled Application Developer at ManTech in Chantilly, VA to enhance and develop innovative software solutions.

Photo of the Rise User
ManTech Hybrid US, Maryland, Maryland
Posted 3 days ago

Join ManTech as a Senior Software Engineer to work on cutting-edge software systems and deliver innovative solutions.

Photo of the Rise User

Join Woven by Toyota as a Senior Software Engineer in DevOps, where you will enhance the ecosystem for autonomous vehicle software development.

Photo of the Rise User

Join Amadeus as a Software Development Engineer and be part of shaping the future of travel with innovative technologies.

Photo of the Rise User
DRW Hybrid Chicago, Illinois, United States
Posted 10 days ago

Join DRW as a Senior Frontend Engineer and play a key role in developing cutting-edge trading UI solutions.

Photo of the Rise User

Join Sensor Tower as a Senior Full Stack Engineer to shape the future of gaming data through innovative analytics solutions.

MATCH
Calculating your matching score...
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
No info
HQ LOCATION
No info
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
April 6, 2025

Subscribe to Rise newsletter

Risa star 🔮 Hi, I'm Risa! Your AI
Career Copilot
Want to see a list of jobs tailored to
you, just ask me below!
LATEST ACTIVITY
n
Someone from OH, Columbus just viewed Product Management Intern at nVent
Photo of the Rise User
Someone from OH, Cleveland just viewed Operations Associate (Part-Time) - Pinecrest at Alo Yoga
Photo of the Rise User
11 people applied to Front end developer at Viseven
Photo of the Rise User
Someone from OH, Dayton just viewed Medical Receptionist at LifeStance Health
Photo of the Rise User
Someone from OH, Coldwater just viewed Engineering Design Checker Jobs at Lockheed Martin
Photo of the Rise User
Someone from OH, Loveland just viewed SEO Admin & Business Support at Outliant
Photo of the Rise User
Someone from OH, Columbus just viewed Casting: Cedar Lake - Pilot Episode at Backstage
Photo of the Rise User
Someone from OH, Mount Orab just viewed Software Development Manager at Assured Guaranty
H
Someone from OH, Mansfield just viewed Medical Appointment Setter (Remote LatAm) at HireHawk
Photo of the Rise User
Someone from OH, Lewis Center just viewed Third Party Risk Analyst at Experian
Photo of the Rise User
Someone from OH, Columbus just viewed Lead Preschool Teacher at Guidepost Montessori
A
Someone from OH, Cincinnati just viewed Global Supply Manager - Taiwan at Also
Photo of the Rise User
Someone from OH, Cincinnati just viewed Global Supply Manager (Raptor Machining) at SpaceX
Photo of the Rise User
Someone from OH, Reynoldsburg just viewed Summer 2025 Financial Services Internship at Nationwide
Photo of the Rise User
Someone from OH, Brunswick just viewed Staff Software Engineer C++ / Computer Vision at ABBYY
Photo of the Rise User
Someone from OH, Columbus just viewed Label Machine Operator I - 2nd Shift at Avery Dennison
Photo of the Rise User
Someone from OH, North Ridgeville just viewed Java, Javascript, Python, NodeJS Software Engineer at Walmart
R
Someone from OH, Dublin just viewed Supply Chain Lead (Clinical Supply) at Resultance