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Top C# Jobs in Hartford, CT

385+ Job Results
9 Hours Ago
United States
Remote
3,900 Employees
137K-198K Annually
Mid level
3,900 Employees
137K-198K Annually
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
The Software Engineer will work on the Zero Trust desktop client, focusing on developing high-performance networking code. Key responsibilities include improving code quality, building testable foundations, and collaborating with product managers to implement features while considering security and performance requirements.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+60 More
12 Hours Ago
US
Remote
3,900 Employees
137K-198K Annually
Mid level
3,900 Employees
137K-198K Annually
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer on the Zero Trust team, you will develop and enhance the Zero Trust desktop client. Key responsibilities include writing high-quality code in Rust and other languages while ensuring optimal security and performance across multiple platforms. You will engage in systems programming and contribute significantly to project design and implementation.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+60 More
12 Hours Ago
United States
Remote
3,900 Employees
137K-198K Annually
Mid level
3,900 Employees
137K-198K Annually
Mid level
Cloud • Information Technology • Security • Software • Cybersecurity
As a Software Engineer in the Zero Trust team, you will develop the Zero Trust desktop client, applying advanced web filtering and policies. Your role entails writing high-performance networking code using Rust, improving code quality, ensuring thorough documentation, and contributing to major projects by collaborating with product teams. Knowledge of OS concepts, networking protocols, and security standards is essential.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+60 More
16 Hours Ago
United States
Remote
400 Employees
140K-175K Annually
Senior level
400 Employees
140K-175K Annually
Senior level
Fintech • Insurance • Machine Learning • Other • Analytics • Automation
As a Senior Backend Engineer, you will lead back-end development initiatives, create and maintain server-side APIs, improve system health, collaborate with product teams, mentor fellow engineers, and enhance operational stability by producing high-quality, modular software.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+49 More
Yesterday
United States
Remote
2,600 Employees
Expert/Leader
2,600 Employees
Expert/Leader
Artificial Intelligence • Fintech • Information Technology • Software • Data Privacy
Lead QA and test strategies for complex distributed systems. Oversee automation frameworks across development teams and enforce quality assurance measures. Establish and report on KPIs and metrics for product quality. Mentor QA and software engineers, and identify automation opportunities within Continuous Integration processes.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+64 More

Featured Jobs

2 Days Ago
United States
Remote
170 Employees
Mid level
170 Employees
Mid level
Fintech • Software • Financial Services
As a Staff Backend Engineer, you will shape the technical direction by leading complex product initiatives, optimizing engineering processes, and mentoring engineers. Responsibilities include designing and deploying server application code, ensuring secure coding standards, and improving system performance while participating in on-call schedules.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+38 More
3 Days Ago
United States
Remote
2,780 Employees
Entry level
2,780 Employees
Entry level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Software Engineer, you will engage in the full software development lifecycle for a Commercial Lines insurance software product, participating in agile sprints, designing web-based solutions, implementing RESTful services, and ensuring scalability and security in the tech stack.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+53 More
4 Days Ago
United States
Remote
299 Employees
200K-250K Annually
Senior level
299 Employees
200K-250K Annually
Senior level
Cloud • Enterprise Web • Software
As a Member of Technical Staff at Chronosphere, you will design and implement enhancements to the metrics API and ingestion pipeline, focusing on distributed systems and data storage challenges. Your role includes collaborating with cross-functional teams, mentoring peers, and optimizing the reliability and performance of the storage engine.
Top Benefits:
401-K
Adoption Assistance
Commuter Benefits
+45 More
5 Days Ago
United States
Remote
300 Employees
133K-170K Annually
Mid level
300 Employees
133K-170K Annually
Mid level
Healthtech • Insurance
As a Software Developer II, you will support internal applications, modernize systems, and apply engineering principles to design, develop, test, and maintain software. You'll ensure high-quality code delivery, collaborate with various teams, provide maintenance support, and seek automation opportunities.
Top Benefits:
401-K
401-K Matching
Company Outings
+38 More
6 Days Ago
United States
Remote
2,500 Employees
135K-182K Annually
Senior level
2,500 Employees
135K-182K Annually
Senior level
Fitness • Hardware • Healthtech • Retail • Software
As a Senior Software Engineer at Peloton, you will design, develop, and monitor microservices integrated with our platform and third-party partners. Your role involves writing maintainable code, leading technical discussions, engaging in code reviews, and mentoring junior engineers while contributing to the growth and evolution of the music catalog systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+52 More
6 Days Ago
United States
Remote
900 Employees
Mid level
900 Employees
Mid level
Consumer Web • eCommerce • Enterprise Web • Events • Sports
As a Lead Software Engineer at SeatGeek, you will run a containerized service-oriented architecture, ship code to production frequently, solve complex technical challenges, build user-friendly interfaces, and evaluate new technologies to enhance the software stack. Your background in building business-critical software will be valued, and you'll work collaboratively within the R&D team.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+57 More
7 Days Ago
United States
Remote
10,000 Employees
135K-210K Annually
Senior level
10,000 Employees
135K-210K Annually
Senior level
Cloud • Information Technology • Sales • Security • Cybersecurity
As a Senior Software Development Engineer in Test (SDET), you will be responsible for designing and implementing large-scale test automation frameworks, collaborating with teams to ensure software quality, and leading the development of the testing architecture for CrowdStrike's Next-Gen SIEM platform.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+47 More
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