Top Senior Software Engineer Jobs in Hartford, CT

The Senior Engineer in Software Development in Test designs and develops testable services and frameworks, ensuring quality is embedded in production-quality code. Responsibilities include applying TDD, collaborating in Agile teams, and integrating automated validation into CI/CD pipelines, with a focus on backend logic and APIs.

The Lead Software Engineer will architect systems, develop and improve software practices, manage projects, mentor engineers, and engage with stakeholders.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

The Senior Software Engineer will architect, develop, and deliver scalable software solutions, mentor junior engineers, and act as a technical leader in cross-functional teams.

As a Senior Software Engineer, you will design, build, and maintain scalable web applications, leverage AI tools, optimize performance, and mentor fellow engineers, ensuring high-quality software delivery.

The Senior Software Engineer will design, build, and maintain scalable software solutions, collaborating with cross-functional teams to improve public transit services using modern technologies.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

The Senior Software V&V Engineer will oversee verification and validation activities for software systems in bioinformatics, ensuring compliance and rigorous testing of diagnostic tools.

Design and build internal web applications and tooling, integrate systems, enhance security, and improve operational efficiency while collaborating with cross-functional teams.

As a Senior Software Development Engineer, you'll solve client challenges through technical design, development, testing, and collaboration, while mentoring peers and improving processes.

As a Senior Software Engineer at Connectly, you'll design, launch, and optimize AI-driven solutions for enterprise clients, collaborating across teams and mentoring others.

Lead development of Dutchie’s cross-platform mobile apps using Flutter, delivering customer-facing features from design through deployment. Optimize performance, accessibility, and cross-platform consistency, collaborate with product and design, improve code quality and developer experience, and act as a technical leader on the mobile team.

As a Senior Software Engineer, you'll lead efforts to improve configuration management and tackle challenges in identity and access management while promoting a culture of clean code and effective architectural solutions.

Build and maintain performant, accessible frontend interfaces using modern component architecture and AI-driven features. Integrate REST APIs and LLM services, use agentic development tools, participate in code reviews, contribute to CI/CD with Azure DevOps, monitor frontend performance with Azure App Insights, and collaborate with Product and Design.

The Senior Software Engineer will develop and maintain big data applications, focusing on distributed computing, automation, and collaboration with teams to enhance healthcare solutions.

As a Senior Software Engineer at Algolia, you will enhance user experiences, mentor engineers, design scalable solutions, and collaborate with cross-functional teams to improve product growth and quality.

The role involves architecting and developing an AI-integrated EHR/EMR system and video conferencing platform, leading cloud infrastructure scaling and enhancing patient engagement through AI-driven solutions.

As a Senior Software Engineer, you will design and implement AI technologies to address complex logistics challenges and mentor team members.

Develop core backend components for a blockchain network, focusing on reliability and scalability, mainly using Rust. Ensure code quality through testing and debugging.

Design, build, and deploy scalable cloud-based solutions; translate product requirements into technical architecture; contribute to roadmaps, code, and reviews; shape engineering practices and culture in a fast-paced startup.

The Senior Software Engineer will build and operate systems for Vanta's FedRAMP environments, focusing on reliability, compliance, and incident response, while collaborating with product teams and improving operational readiness.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.

Design, implement, and optimize core frontend, backend, and model-integration components. Drive engineering direction, ship and scale LLM-powered applications, build robust APIs and streaming systems, establish CI/CD and instrumentation, and deliver production-grade agentic workflows with measurable reliability and performance.

As a Staff Backend Engineer at FloSports, you'll lead backend development initiatives, focusing on scalable distributed systems, authentication frameworks, and mentoring engineers while collaborating with product teams for technical solutions.

Design and build backend functionalities for Temporal's high-availability services, ensuring reliability and scalability across cloud environments. Document processes and maintain service metrics.