Senior Software Developer (.NET)

Knack Solutions
New York, NY

About the job Senior Software Developer (.NET)

***W2 only***

Position: Senior Software Developer (.NET)

Work Authorization: US citizens and Greencard holders only

Location: 100% Remote

JOB DESCRIPTION:

  • As a Sr. Software Developer you will be responsible for the analysis, design, development, implementation, and support of high-performance, highly scalable .NET scientific simulation platforms using leading agile development practices.
  • This is a hands-on role that works both independently and collaboratively in a team environment.
  • You must be a self-starter, delivery-focused, and possess a broad set of technology skills to take this complex modeling platform to the next level of usability, performance, automation, and scalability.

RESPONSIBILITIES:

  • Redeveloping our WPF UI into a new modern experience, using web technologies based on industry standards with a proven track record.
  • Developing new customer online experiences in user portals, online distribution/delivery, licensing, help, news/announcements, etc.
  • Supporting our path to Azure (and other cloud providers).
  • Support our transition from .NET Framework to .NET Core.
  • Enhancing our external and internal telemetry, online reports, and dashboards.
  • Work directly with actuaries, experts in reinsurance, and capital modeling to develop user interfaces and APIs for advanced modeling analyses.
  • Work with embedded QA and domain experts to design, implement, test, and support software products, tools, and applications.
  • Meet with product users to understand their goals and the domain. Use their feedback to further improve the user experience of the modeling software.
  • Develop high-performance applications, features, and functionality in C# / .NET using the latest standards and technologies.

QUALIFICATIONS:

  • 10+ years software development experience.
  • Expert working knowledge of C# (7.3 9.0), .NET Framework/Core, and Visual Studio.
  • Has a deep understanding of threading, LINQ, async/tasks, pattern matching, and pinvoke interoperability.
  • Has the ability to architect complex code solutions that are understandable, maintainable, flexible, and expandable.
  • Has experience with using Azure and related C# Azure packages.
  • Have a proven ability to extract goals, ideas, and approaches from domain experts and translate them into requirements, code, UI, and applications.
  • Experience with Protobuf and gRPC technologies.
  • Knowledgeable of WPF/XAML and/or WinForms or Web UI frameworks.
  • Experience with interactive charting and graphing packages for the visual display of quantitative information.
  • Understanding of SQL technologies and languages
  • Has experience with Python, Kubernetes, C++, C++/CLI, and/or strong math background.
  • Has excellent verbal and written communication skills. Demonstrates self-motivation, resourcefulness, and independent action.
  • Experience working directly with users on an agile development team.
  • Proven record of shipping commercial software and/or online experiences.
  • Can work remotely and in-person. Must be able to travel (at least 4 times a year if not in Seattle).
#J-18808-Ljbffr
Posted 2026-05-01

Recommended Jobs

Fundraising Team Member (Hiring Immediately)

Octagon Ventures
Garden City, NY

About Us Octagon Ventures works alongside nonprofit organizations to increase visibility and public awareness through strategic events, promotions, and community-driven engagement that move people t…

View Details
Posted 2026-04-30

Psychiatrist 3, Outpatient, Buffalo Psychiatric Center, P26819

New York State Civil Service
Buffalo, NY

NY HELP No Agency Mental Health, Office of Title Psychiatrist 3, Outpatient, Buffalo Psychiatric Center, P26819 Occupational Category Administrative or General Management Salary Grade 668 …

View Details
Posted 2026-04-24

Technical Designing Architect: Job Captain

New York, NY

Technical Architectural Designer / Job Captain New York, NY (Corporate / Commercial / Workplace Interiors / Retail banking Interiors Maitland, FL: Retail Banking Interiors Practice     Our…

View Details
Posted 2026-04-24

Remote AI Training & Test Automation Engineer

DataAnnotation
New York, NY

A leading AI development platform is seeking proficient programmers for remote work, offering a flexible schedule and competitive pay up to $60/hour. Responsibilities include solving coding problems f…

View Details
Posted 2026-05-01

Vice President, Risk / Policy Management

Morgan Stanley
New York, NY

Company Profile: Morgan Stanley is a leading global financial services firm providing a wide range of investment banking, securities, investment, and wealth management services. The Firm's emplo…

View Details
Posted 2026-04-18

Retail Sales Associate - The UPS Store

The UPS Store #0691
Garden City, NY

Retail Sales Associate - The UPS Store (Customer Service, Shipping & Printing) Locations: Multiple openings across Long Island and NYCPay: $17 - $20/hour (based on experience)Job Type: Full-time or …

View Details
Posted 2025-10-21

Key Account Manager

TSP (A Syneos Health Company)
Queens, NY

Location: Queens, NY, United States Date Updated: Apr 17, 2026 Job ID: 14969 Description Arrowhead Pharmaceuticals, Inc. (Nasdaq: ARWR) is a clinical stage biopharmaceutical company that dev…

View Details
Posted 2026-04-18

Live Chat Agent

ADF Medical Services Inc.
New York, NY

JOB OPENING — Live Chat Agent ADF Medical Services Inc. We're hiring an energetic and professional Live Chat Agent to deliver real-time support to our patients and clients online. If you're a…

View Details
Posted 2026-04-12

Part-Time Sales Associate

Coach
Brooklyn, NY

Coach is seeking a Part-Time Sales Associate in Brooklyn, NY. The role involves engaging customers, achieving sales targets, and maintaining store standards. Ideal candidates will have strong communic…

View Details
Posted 2026-02-23

Quality Engineering Internship at Superior Metals Manufacturing - CPP - Summer 2026

Superior Metals Manufacturing
Chittenango, NY

✈️ Join the Superior Metals Manufacturing Team As A Summer 2026 Engineering Intern! ✈️   Location: Chittenango, NY Term: Summer 2026 (May – August) Pay: $22-$25/hr Job Type: Temporary Fulltim…

View Details
Posted 2026-04-01