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Senior Full Stack Developer (C#)

Innosphere Recruiting
Full-time
Remote

This is a remote position.<\/p>

Innosphere<\/span> is seeking a <\/span><\/span>Senior Full Stack Developer with advanced expertise in C#, concurrency models, and modern architectural design principles. This role is pivotal in modernizing our core systems by re\-engineering legacy synchronous workflows into highly concurrent, thread\-safe architectures that drive superior performance and scalability.<\/span><\/span> <\/span>
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Roles & Responsibilities:<\/b><\/span><\/span> <\/b><\/span><\/span>
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  • Lead the design and development of highly concurrent, multi\-threaded applications in C#.<\/span><\/span> <\/span>
    <\/span><\/li> <\/ul> <\/div>
    • Re\-architect legacy synchronous workflows into scalable, thread\-safe solutions.<\/span><\/span> <\/span>
      <\/span><\/li> <\/ul> <\/div>
      • Apply advanced knowledge of threading models, synchronization primitives, and performance tuning to <\/span>optimize<\/span> system throughput and minimize contention.<\/span><\/span> <\/span>
        <\/span><\/li> <\/ul> <\/div>
        • Design, develop, and <\/span>optimize<\/span> complex SQL queries, stored procedures, and large\-scale data operations, including staging and transformations.<\/span><\/span> <\/span>
          <\/span><\/li> <\/ul> <\/div>
          • Utilize Apache Spark for distributed data processing at scale.<\/span><\/span> <\/span>
            <\/span><\/li> <\/ul> <\/div>
            • Deploy and manage solutions on AWS, ensuring reliability, scalability, and cost efficiency.<\/span><\/span> <\/span>
              <\/span><\/li> <\/ul> <\/div>
              • Diagnose and resolve concurrency issues, perform application profiling, and drive continuous improvements in system performance.<\/span><\/span> <\/span>
                <\/span><\/li> <\/ul> <\/div>
                • Collaborate with cross\-functional teams to define technical requirements, align architecture with business goals, and deliver high\-quality solutions.<\/span><\/span><\/span>
                  <\/li> <\/ul> <\/div>

                  Qualifications:<\/b><\/span><\/span> <\/b><\/span><\/span>
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                  • Bachelor's degree in Computer Science or related program and\/or relevant experience. <\/span><\/span> <\/span>
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                  • Significant professional (5+ years) of experience building commercial applications with modern software engineering practices. <\/span><\/span> <\/span>
                    <\/li>
                  • Expert\-level proficiency in C# with hands\-on experience in multi\-threaded and parallel processing.<\/span><\/span> <\/span>
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                  • Strong understanding of threading models, synchronization primitives, and concurrency debugging.<\/span><\/span> <\/span>
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                  • Proven experience in performance tuning and application profiling for large\-scale systems.<\/span><\/span> <\/span>
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                  • Advanced proficiency in SQL (query design, optimization, and data operations).<\/span><\/span> <\/span>
                    <\/span><\/li>
                  • Hands\-on experience with Apache Spark for distributed data processing.<\/span><\/span> <\/span>
                    <\/span><\/li>
                  • Proven experience deploying solutions on AWS.<\/span><\/span> <\/span>
                    <\/span><\/li>
                  • Exceptional problem\-solving and debugging skills with a strong focus on scalability and reliability.<\/span><\/span> <\/span>
                    <\/span><\/li> <\/ul> <\/div>

                    Nice to H<\/b><\/span>ave<\/b><\/span>:<\/b><\/span><\/span> <\/span>
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                    • Experience in re\-engineering legacy systems into modern architectures.<\/span><\/span> <\/span>
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                    • Familiarity with microservices design principles and cloud\-native development patterns.<\/span><\/span> <\/span>
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                    • Strong communication and collaboration skills with a track record of working in cross\-functional teams.<\/span><\/span> <\/span><\/span> <\/span>
                      <\/li> <\/ul>
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                      About <\/b><\/span>Innosphere<\/b><\/span>:    <\/b><\/span><\/span> <\/b><\/span><\/span>
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                      Founded in 1997, <\/span>Innosphere<\/span> provides technology staffing solutions to clients across North America. We have specialized in remote work for over 15 years. Our staffing solutions include fully managed development teams coupled with expert consulting, full\-time hiring, and flexible staffing.    <\/span><\/span> <\/span><\/span>
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                      Innosphere<\/span> is a permanent remote <\/span>company<\/span> but we do have an office location in Guelph to provide employees opportunities to work intermittently in an office environment. We have collaborative space for meetings, lunches, and company events. Our employees have the freedom to choose where they prefer to work.    <\/span><\/span> <\/span><\/span>
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                      Innosphere<\/span> is committed to providing its employees with endless possibilities to learn new things and to work with the latest technologies.    <\/span><\/span> <\/span>
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                      When we hire, we look for people who align with our core values:    <\/b><\/span><\/span> <\/b><\/span><\/span>
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                      Remote First<\/b><\/span><\/span>: <\/span>Innosphere<\/span> is a remote company but offers in\-office workspace. Employee connections are fostered through shared experiences and events<\/span>.  <\/span>  <\/span><\/span> <\/span>
                      <\/span>Community Involvement<\/b><\/span><\/span>: <\/span>Innosphere<\/span> strives to make a difference in the community through charity initiatives and volunteer opportunities<\/span>.  <\/span>  <\/span><\/span> <\/span>
                      <\/span>Employee Growth<\/b><\/span><\/span>: <\/span>Innosphere<\/span> provides opportunities to work with <\/span>new technologies<\/span> and funds employee training. Our philosophy is to promote internally when possible<\/span>.  <\/span>  <\/span><\/span> <\/span><\/p> <\/div>

                       <\/span>
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                      Life as an <\/b><\/span>Innospherian<\/b><\/span> \- Who we are and how we work:    <\/b><\/span><\/span> <\/b><\/span><\/span>
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                      • Work From Home<\/span><\/span> <\/span>
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                      • Flexible Work Schedule<\/span><\/span> <\/span>
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                      • Team Owned Deliverables    <\/span><\/span> <\/span>
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                      • Charity Initiatives    <\/span><\/span> <\/span>
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                      • Promote From Within    <\/span><\/span> <\/span><\/span><\/span>
                        <\/li> <\/ul> <\/div>

                        Some other perks:    <\/b><\/span><\/span> <\/b><\/span><\/span>
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                        • Generous Time Off <\/span><\/span> <\/span>
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                        • Above Average Benefits (Dental, Health, Vision, STD, LTD, AD&D, Life, Dependent Life)    <\/span><\/span> <\/span>
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                        • Home Office Benefit Program   <\/span><\/span> <\/span>
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                        • Yearly Professional Development Budget    <\/span><\/span> <\/span>
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                        • Annual Fitness Benefit   <\/span><\/span> <\/span>
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                        • Lunch & Learns and Virtual Events   <\/span><\/span> <\/span>
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                        • Annual In\-Person Celebrations    <\/span><\/span> <\/span>
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                        • RRSP with Company Match    <\/span><\/span> <\/span>
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                        • Volunteer Days  <\/span><\/span> <\/span>
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                        • Sports Tickets for Blue Jays games   <\/span><\/span> <\/span>
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                        • Birthday Club   <\/span><\/span> <\/span>
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                          <\/li> <\/ul> <\/div>

                          Innosphere<\/span> welcomes and encourages applications from people with disabilities. <\/span>Accommodations are<\/span> available on request for candidates taking part in all aspects of the selection process. Only applicants meeting the criteria outlined above will be contacted as part of the shortlisting process. All applicants are subject to a criminal, educational, and employment history background check. Must be currently residing in Canada and legally permitted to work in Canada. No phone calls please.<\/span><\/span> <\/span>
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