Top Senior Software Engineer Jobs in Hartford, CT

Design, build, and scale backend systems for a publishing platform. Lead development, ensure system health, and promote engineering standards.

Lead design, build, and maintain CRM and MarTech integrations and services; lead technical discovery and execution; mentor engineers; collaborate with marketing and cross-functional teams; ensure system stability and participate in on-call rotations.

The Senior Software Engineer will develop backend systems, mentor engineers, and collaborate with cross-functional teams while contributing to product features and roadmaps.

Develop new features, fix bugs, refactor codebase in a TypeScript/React environment, collaborate with teams to meet user needs, and contribute to team culture.

Bitsight seeks a Senior Software Engineer to build and operate large-scale data pipelines. Responsibilities include architecting cloud data warehouses, refining rating algorithms, and collaborating with teams to integrate data sources for actionable security insights.

As a Senior Software Engineer, you will develop solutions for improving support agent experience, focus on backend components, and collaborate with cross-functional teams.

The Staff Software Engineer leads the technical direction of the Quality and Release Platform, focusing on release engineering and code quality. Responsibilities include designing CI/CD systems, mentoring engineers, improving automation, and defining best practices for code quality and AI tools.

As a Senior Software Engineer in Localization, you'll contribute to Mozilla's localization projects and technology, improve internationalization features, and engage with the community of localizers while driving feature development.

As a Senior Software Engineer, you'll design modern scalable platforms, focusing on front-end and back-end development using VueJS/ReactJS and C# microservices, while integrating with AWS and modern data warehouses.

As a Staff Software Engineer at Radiant Security, you'll build and optimize data platforms, ensuring scalable data ingestion and system performance while collaborating across teams.

As a Senior Software Engineer, you will develop scalable applications, collaborate with teams, and improve code quality while maintaining backend system reliability.

The Senior Software Engineer will develop applications using modern programming languages and technologies, collaborating on design and implementation while embracing innovation and Agile practices.

Lead the design, implementation, and optimization of Amazon Connect cloud-based contact center solutions while mentoring the team and collaborating with stakeholders to enhance customer experience.

As a Staff Software Engineer, you will architect and scale AI/MCP Server and Gateway for multi-agent workflows, ensuring reliability and performance while collaborating with cross-functional teams.

As a Senior Software Engineer, you will design and develop high-quality payment systems, improve client transaction processing, mentor engineers, and ensure security and compliance in financial software.

Design and build infrastructure for AI agent systems, focusing on high-performance Rust services and reliable ML infrastructure for large-scale production environments.

As a Staff Software Engineer in Growth, you'll lead technical projects aimed at user acquisition and retention, mentoring engineers and ensuring scalability and reliability of systems.

Design and implement robust Rust services for trading and payments. Write efficient code, collaborate on systems architecture, and mentor engineers.

The Senior Software Engineer will architect and build backend systems, APIs, and developer tools, enhancing team efficiency and reliability, while supporting the Growth Engineering team's mission.

Design and implement robust Rust services for Kraken's core infrastructure, collaborating on distributed systems architecture and ensuring security and maintainability.

As a Senior Product Engineer on the Growth team, you'll tackle complex challenges across web and mobile platforms, collaborating to enhance user engagement and product adoption through high-quality, data-driven solutions.

The Backend Software Development Engineer III will design and implement backend solutions, focus on scalable APIs, data ingestion, and support cross-functional collaboration while ensuring code quality through testing and reviews.

Design and deliver features for the Ready-to-Build product, collaborate with sales and implementation teams, maintain and test code, enhance platform functionality.

The Senior Software Engineer will develop full-stack applications using TypeScript, create UIs from Figma designs, build secure APIs, collaborate with teams, and maintain codebases.

The Senior Software Engineer (Big Data) will build and operate large-scale data pipelines, collaborate with teams to deliver a cybersecurity product, and enhance the data pipeline architecture.