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Senior FullStack Developer (.NET+React) (Na)

Intellectsoft is a software development company delivering innovative solutions since 2007. We operate across North America, Latin America, the Nordic region, the UK, and Europe.We specialize in industries like Fintech, Healthcare, EdTech, Construction, Hospitality, and more, partnering with startups, mid-sized businesses, and Fortune 500 companies to drive growth and scalability. Our clients include Jaguar Motors, Universal Pictures, Harley-Davidson, Qualcomm, and London Stock Exchange.Together, our team delivers solutions that make a difference. Learn more at www.intellectsoft.net

We're seeking a driven and experienced Senior Full Stack Engineer with a strong foundation in back-end development using .NET and solid front-end skills—ideally with React. This role offers the opportunity to contribute to a high-impact project within a fast-moving team at Intellectsoft, in collaboration with a prominent client in the financial sector.

  • A degree in Computer Science, Software Engineering, or a closely related discipline.
  • 5+ years of hands-on experience developing robust backend systems with .NET technologies (C#, .NET Core, ASP.NET).
  • Solid front-end development skills using React, with a focus on efficient state management and performance tuning.
  • Strong background in cloud environments—ideally Microsoft Azure—working with services like Azure Functions, App Services, and Azure DevOps.
  • Comfortable working with a range of databases, including relational systems like SQL Server and PostgreSQL, as well as NoSQL options.
  • Proven experience designing, building, and maintaining microservices-based architectures.
  • Familiarity with CI/CD workflows and experience integrating automated testing into delivery pipelines.
  • In-depth understanding of RESTful API design and modern integration strategies.
  • Practical experience in Agile environments, collaborating via tools like Jira and Confluence.
  • Excellent English communication skills—ideally at a C1 level; strong B2 candidates will also be considered.

Nice to have skills

  • Bonus points for knowledge of other front-end frameworks like Angular or Vue.js.
  • Understanding of container technologies such as Docker and orchestration tools like Kubernetes.
  • Hands-on exposure to DevOps methodologies, including infrastructure automation using tools like Terraform or Ansible.
  • Previous involvement in developing applications within the fintech or broader financial services space is a strong asset.

Responsibilities

  • Architect, build, and support robust backend systems using .NET, with a focus on scalability, efficiency, and performance.
  • Craft responsive and maintainable user interfaces with React, ensuring smooth connectivity between the frontend and backend layers.
  • Utilize Azure-based cloud infrastructure to enhance system uptime, scalability, and overall reliability.
  • Collaborate with product owners, designers, and other engineers to translate business requirements into technical solutions.
  • Champion clean code practices, prioritizing maintainability, security, and software craftsmanship throughout the development lifecycle.
  • Guide and support fellow developers through code reviews, technical mentoring, and active knowledge sharing.
  • Play a key role in advancing DevOps efforts, streamlining build and deployment workflows through automation and CI/CD enhancements.
  • Continuously explore new technologies, tools, and techniques—bringing forward ideas to improve architecture and development processes.
  • 35 absence days per year for work-life balance
  • Udemy courses of your choice
  • English courses with native-speaker
  • Regular soft-skills trainings
  • Excellence Сenters meetups
  • Online/offline team-buildings

Average salary estimate

$105000 / YEARLY (est.)
min
max
$90000K
$120000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Senior FullStack Developer (.NET+React) (Na), Intellectsoft

If you're a tech-savvy individual with a knack for both front-end and back-end development, we have the perfect opportunity for you! Intellectsoft is on the lookout for a Senior FullStack Developer (.NET+React) to join our dynamic team. In this role, you'll leverage your expertise in .NET technologies, along with your solid React skills, to create innovative solutions for our valued clients in the financial sector. With over 5 years of hands-on experience, you should be comfortable developing robust backend systems and crafting seamless user interfaces. At Intellectsoft, we embrace a culture of collaboration and continuous improvement, allowing you to work with cutting-edge cloud environments, particularly Microsoft Azure, and contribute to microservices architectures. You will collaborate with product owners and designers to transform business requirements into technical realities while adhering to clean code practices. Beyond just coding, you’ll guide and mentor fellow developers, enhancing our team spirit and skill sets. Plus, we offer ample perks like 35 absence days for a healthy work-life balance, access to Udemy courses, and team-building activities! If you thrive in a fast-paced, innovative environment and are eager to make an impact, Intellectsoft is the place for you. We're excited to meet a passionate Senior FullStack Developer eager to push boundaries and drive excellence in software development!

Frequently Asked Questions (FAQs) for Senior FullStack Developer (.NET+React) (Na) Role at Intellectsoft
What are the responsibilities of a Senior FullStack Developer (.NET+React) at Intellectsoft?

As a Senior FullStack Developer (.NET+React) at Intellectsoft, you'll be responsible for architecting and building robust backend systems using .NET, alongside crafting responsive user interfaces with React. Your duties will also include collaborating with other team members, guiding junior developers through code reviews, and playing a key role in advancing our DevOps processes.

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What qualifications are required for the Senior FullStack Developer (.NET+React) position at Intellectsoft?

To qualify for the Senior FullStack Developer (.NET+React) position at Intellectsoft, candidates should hold a degree in Computer Science or a related field and possess over 5 years of experience in .NET development, complemented by strong React skills. Familiarity with cloud environments like Microsoft Azure, database management, and Agile methodologies is also essential.

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What skills will help me stand out as a Senior FullStack Developer (.NET+React) at Intellectsoft?

In addition to advanced .NET and React skills, having knowledge of other front-end frameworks (such as Angular or Vue.js), as well as experience with container technologies like Docker, will distinguish you in the Senior FullStack Developer (.NET+React) role at Intellectsoft. Understanding DevOps practices and direct experience in the fintech sector will also be beneficial.

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What does the work culture look like for a Senior FullStack Developer at Intellectsoft?

The work culture at Intellectsoft for a Senior FullStack Developer is collaborative, innovative, and supportive. We believe in continuous learning and offer opportunities such as Udemy courses, as well as regular team-building activities. You’ll have a chance to contribute to meaningful projects while enjoying a healthy work-life balance with generous leave allowance.

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How does Intellectsoft support the professional development of a Senior FullStack Developer?

Intellectsoft is committed to the professional development of our Senior FullStack Developers by offering access to various learning resources, including Udemy courses and English training sessions with native speakers. We encourage exploration of new technologies and ideas, which fosters innovation and keeps your skills sharp.

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Common Interview Questions for Senior FullStack Developer (.NET+React) (Na)
Can you describe your experience with .NET technologies as a Senior FullStack Developer?

In your response, highlight specific .NET technologies you have utilized, such as C#, ASP.NET Core, and any backend systems you've built. Share examples of projects where you've implemented these technologies to solve real problems.

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How do you manage state in React applications?

Discuss your experience using state management libraries like Redux or Context API. Explain how you handle data flow and manage component states to ensure efficient performance in your React applications.

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What role does Azure play in your development process?

Talk about your familiarity with Microsoft Azure services, such as Azure Functions or App Services. Provide insights into how you have utilized Azure to enhance the performance and scalability of applications.

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Can you explain the importance of RESTful APIs in your previous projects?

Elaborate on your experience designing RESTful APIs, including the principles of statelessness and resource-based interactions. Sharing examples of how these APIs were crucial to application functionality can strengthen your answer.

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What are some challenges you've faced while implementing CI/CD workflows?

Use this opportunity to discuss specific challenges related to automation and integration in your CI/CD pipelines. Describe how you overcame these hurdles and what best practices you implemented to ensure smooth deployments.

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How do you ensure code quality while working under tight deadlines?

Discuss your approach to maintaining code quality, such as leveraging code reviews, writing unit tests, and following best practices, even when time constraints are present. Highlight any tools or methodologies you apply.

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Can you provide an example of a microservices architecture you've designed?

Share a real-world example where you architected a microservices solution, detailing the technologies used and the advantages this architecture provided, such as scalability and maintainability.

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What strategies do you employ for effective collaboration in an Agile environment?

Explain your experience using tools like Jira or Confluence for project management. Discuss how you communicate with team members and facilitate collaboration to ensure project goals are met on time.

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What motivates you to keep learning in tech?

Share your passion for technology and the importance of keeping up with industry trends. Discuss specific areas you're currently exploring or interested in, such as new frameworks or practices.

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How would you approach mentoring a junior developer?

Illustrate your mentoring philosophy and provide examples of how you would guide a junior developer in improving their skills. Discuss the importance of knowledge sharing and building a supportive team environment.

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Dental Insurance
Life insurance
Health Savings Account (HSA)

Intellectsoft began developing mobile apps in 2007. Today, we have grown to a full-service software and mobile application development company. Intellectsoft helps enterprise organizations transform their business processes using mobile technolog...

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Full-time, remote
DATE POSTED
April 21, 2025

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