Top Software Engineer Jobs in Hartford, CT

Build and scale backend systems for a high-traffic donor CRM and payments platform. Own performant SQL and realtime querying, optimize payment flows, implement AI agents, and collaborate across product and design to ship resilient, production-grade features at scale.

Lead design and implementation of highly scalable, secure backend services and APIs. Define architecture for databases and microservices, own projects end-to-end, resolve reliability/performance issues, improve CI/CD and observability, mentor engineers, and align technical strategy with product and security requirements.

Lead architecture and build scalable, secure production services while championing AI-native development. Mentor engineers, influence technical direction, review PRs, and help evolve a legacy monolith to a modern stack in partnership with product and exec leadership.

The Software Engineer will design and build full-stack features, enhance CI/CD pipelines, support production systems, and collaborate with teams.

Design and build scalable web applications, collaborate on product direction, and implement complex systems using ML techniques, ensuring software quality.

As a Staff Software Engineer, you'll enhance Airbnb's build infrastructure, optimize performance, and mentor engineers to improve software development processes.

As a Senior Software Engineer at NexHealth, you'll build scalable back-end systems, maintain integrations with EHRs, and manage cross-functional engineering projects to support the company's growth.

As a Senior Software Engineer on the Infrastructure team, you'll build and manage critical systems, contribute code, handle incidents, and enhance developer tooling.

As a Distributed Systems Engineer, you'll design and evolve LiveKit's core systems, implement resilient architectures, and enhance reliability and developer velocity, working on critical features in production environments.

The Staff Software Engineer will lead the development of a Civic Engagement product, establishing engineering practices and overseeing technical strategy across multiple teams and systems while ensuring product reliability and security.

Architect, build, and scale full-stack applications and high-throughput backend services. Develop React/TypeScript frontends and Ruby on Rails/Java backends, design APIs and real-time microservices (dispatch/logistics focus), introduce automated testing and CI/CD, improve scalability and observability, support AI initiatives, and mentor engineers while collaborating with product and UX teams.

The Senior Software Engineer will lead projects, architect solutions, mentor junior staff, and work full stack on platform development.

The Staff Software Engineer will lead technical projects, develop full-stack software, mentor teams, and drive product direction at Propel, focusing on impactful solutions.

Design, develop, and maintain software in a Java environment. Collaborate with cross-functional teams, troubleshoot complex issues, and optimize performance.

Design, implement, test, and maintain full‑stack features and services for the Cayuse Research Platform. Drive architecture, prototypes, and technical debt reduction while practicing TDD, expanding automated QA, collaborating cross‑functionally, and ensuring high quality delivery in an Agile environment.

Lead design, development, and implementation of complex software systems for life & annuity policy administration. Provide technical leadership, mentor engineers, architect scalable mainframe solutions, troubleshoot critical issues, and collaborate with stakeholders to meet performance, reliability, and security goals.

As a Senior Software Engineer, you will design and build backend services for Postgres integration with ClickHouse, ensuring operational excellence and contributing to automation and tooling for database management.

The Principal Software Engineer will lead the development of Node-based applications, ensuring alignment with business goals and mentoring engineers. Responsibilities include designing scalable systems, managing product requirements, and utilizing AI tools for software development.

Design and build high-throughput database integrations and data-intensive systems. Ensure end-to-end reliability, debug production issues, improve tooling and observability, participate in on-call rotation, collaborate with customers and cross-functional teams, and drive product and open-source innovation.

Responsible for designing, building, and operating AI-powered features, scalable APIs, and maintaining integrations within ClickHouse's AI/ML ecosystem.

Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.

Lead the development of scalable software solutions, design user interfaces, build backend services, manage AWS infrastructure, and optimize database schemas.

The Software Engineer, Mobile Transports will advance Ditto's mobile transport technologies focusing on networking performance and reliability across platforms. Responsibilities include designing, implementing, and optimizing mobile transport infrastructure, collaborating with teams, and monitoring system performance.

Design, implement, and maintain cloud-native full-stack software to migrate, preserve, and make large volumes of government records searchable and accessible. Build Section 508-compliant frontends and secure backend APIs, follow API-first and CI/CD practices, defend against vulnerabilities, mentor engineers, and collaborate with cross-functional teams to deliver reliable, performant systems.

Lead backend development on the scheduling platform modernization. Contribute across Python and .NET ecosystems, write APIs, review code, and support AI-accelerated development workflows while collaborating in a remote team environment.