Top Senior Software Engineer Jobs in Hartford, CT

Design, develop, and maintain scalable web applications using .NET backend and Angular/React frontend. Collaborate on requirements, implement RESTful APIs, optimize performance, debug, maintain documentation, support end-users, and work within CI/CD and DevOps workflows.

Design, develop, customize and integrate Microsoft Dynamics 365 CRM/CE solutions. Build entities, forms, workflows, plugins, reports and dashboards using CRM SDK, C#, JavaScript, ASP.NET and SQL. Troubleshoot issues, estimate implementation approaches, collaborate with stakeholders, document solutions, and mentor junior developers. Banking domain experience preferred.

The Senior Backend Software Engineer will design and scale backend systems using Python and FastAPI, collaborate with researchers, optimize infrastructure, and implement testing and monitoring systems.

The Senior .NET Developer will work on developing and maintaining applications, mentor junior developers, and ensure compliance with regulations. The role requires expertise in full-stack development, particularly with SQL Server databases and Azure.

Design, build, and maintain scalable end-to-end systems and APIs/SDKs for an enterprise custody platform. Work full-stack across databases, cloud deployments, CI/CD, and security; troubleshoot issues, integrate emerging technologies, and mentor junior engineers.

Develop and enhance software solutions for mineral exploration, collaborating with geologists and data scientists, and driving insights from data systems.

The Senior Backend Software Engineer will develop and optimize critical systems for the aerospace industry, managing project priorities and overseeing various software projects.

Seeking an experienced Software Engineer for the Spacetime team to develop systems for satellite communication, requiring expertise in algorithms and large-scale distributed systems.

Lead the development of analytics infrastructure for clinical AI/ML products, focusing on product performance monitoring, data management, and cross-functional collaboration.

Lead and optimize enterprise client implementations, develop frameworks for efficiency, conduct end-to-end testing, and collaborate across teams to drive impactful technology in healthcare.

The Senior Bilingual Software Engineer will align U.S. teams with the Platform Core team in Japan, focusing on high-impact problems and maximizing platform leverage through clear communication and collaboration.

The Backend Software Engineer will develop and maintain backend systems for data processing related to coffee farming, utilizing Python and PostgreSQL. Responsibilities include feature development, problem-solving, and adapting systems to regulatory changes while ensuring system resilience.

The Software Engineer III - Voice AI develops and maintains the Voice AI platform for patient calls, optimizing real-time conversational AI features and mentoring team members.

Design, build, and maintain scalable full-stack web applications. Implement backend APIs and responsive frontends, deploy to cloud, ensure security/performance, write tests, debug issues, participate in reviews, and mentor junior developers.

The role involves building and optimizing data pipelines and models, collaborating with teams to ensure data accessibility and accuracy, and mentoring junior engineers.

Hands-on senior full-stack engineer building and supporting user-facing features, infrastructure, and AI-powered workflows (LLM integration, RAG, agents). Drive architecture, dev experience, CI/CD, and partner with product and program teams to deliver a scalable education platform.

Seeking a Senior DevOps Engineer for OpenSesame, focusing on CI/CD pipelines, cloud infrastructure, and automation. Responsibilities include improving developer experience and mentoring teams.

The Senior HPC Cluster Engineer will optimize GPU clusters, troubleshoot InfiniBand networks, integrate new hardware, enhance automation systems, and manage GPU devices in HPC environments.

Build and maintain scalable, cloud-native full‑stack features and services. Collaborate with Product and Design to prototype, deliver, and document solutions. Work across backend and frontend, apply modern engineering practices, mentor teammates, and own product domains to improve transit operations.

Develop, test, and maintain a complex distributed processing application using Python and Java. Collaborate with product owners, data coaches, analysts, DBAs, and Agile teams to meet backend/frontend requirements. Work with distributed workloads (Spark/Hadoop), SQL/Snowflake, AWS, shell scripting, and job scheduling/process automation. Support delivery under Agile/SAFe practices and ensure alignment with program standards.

The role includes leading a team of database engineers, designing and optimizing Oracle databases and AWS data services, and overseeing data migration efforts. Responsibilities involve collaboration across teams, performance tuning, and managing production support.

Seeking a Senior Software Engineer with 5+ years of experience to design and develop large-scale distributed systems, mentor junior engineers, and manage complex projects in a dynamic setting.

Lead design, development, testing, and support of cloud-native full-stack features using .NET backends and Angular frontends. Build microservices, containerized deployments on AKS, integrate AI/ML models, improve reliability and scalability, mentor engineers, run architecture reviews, and support production operations and incident retrospectives.

Design, develop, and maintain web applications, console apps, and RESTful APIs using C# and JavaScript. Collaborate on agile teams, perform code reviews, build internal tools, troubleshoot front-end issues, and deploy to Azure/Jenkins. Improve processes, follow best practices, and support CI/CD pipelines.

The Senior Full Stack Software Engineer will design and develop software solutions, collaborate on product ideation, and improve tooling. They'll work autonomously to build an exceptional product in the fintech space.