Top Senior Software Engineer Jobs in Hartford, CT

The Senior Software Engineer will design and develop systems for processing communication data, ensure software quality, provide technical leadership, and solve complex problems in real-time media systems.

The Senior Software Engineer (Full Stack) designs, builds, and implements full-stack software solutions while mentoring other engineers and collaborating with cross-functional teams to deliver business value.

Lead design and implementation of scalable, cloud-native full-stack systems. Own features end-to-end, participate in coding, code reviews, debugging, production monitoring, and on-call rotations. Mentor engineers, improve development tools and test coverage, optimize performance, design data and caching strategies, and champion API-first integrations. Collaborate cross-functionally with product, design, and operations to maintain system health and deliver reliable SaaS solutions.

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.

Lead design, develop, test, and deploy large-scale software systems. Collaborate with product, design, and engineering teams; write scalable TypeScript/Node.js code; resolve defects and performance issues; perform code reviews; mentor engineers; improve CI/CD and IaC processes; and stay current on technologies.

Support P-8A mission and combat systems engineering: perform CONOPS analysis, requirements decomposition, roadmaps, ECP/TD implementation, troubleshooting, Agile support, create technical documentation, use cases, and software development plans to meet fleet expectations.

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.

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

As a Senior Software Engineer, you'll build high-performing, scalable applications for Joyride's auction platform, working on new features and existing code.

Lead technical strategy and architecture for Attentive's AI-assisted developer platform and productivity systems. Build and scale CI/CD, local dev environments, CLI tooling, service scaffolding, and orchestration layers across a large Java/Spring Boot Gradle monorepo on AWS. Drive cross-team adoption, author RFCs/ADRs, mentor engineers, and improve developer productivity, reliability, and scalability of internal tooling and AI-assisted workflows.

Build and ship full-stack features in weekly loops, owning problems end-to-end from stakeholder discovery to production, using TypeScript/Node backend and React/React Native frontends, leveraging AI-paired tools, and making scalable architectural decisions while collaborating with cross-functional teams.

The Senior Software Engineer role involves modernizing healthcare payment systems using C#, .NET, SQL, and cloud technologies while leveraging AI tools for efficiency.

As a Lead Software Engineer, you will optimize the pre-purchase experience, implement AI-driven onboarding solutions, and enhance application performance while collaborating across teams to improve user conversion rates and experiences.

Lead end-to-end platform engineering projects to build and operate a multi-tenant data lakehouse and scalable compute infrastructure, partner with cross-functional teams, improve reliability/observability, support platform users, and drive platform usability and ML/analytics enablement.

Design and develop scalable software solutions, lead engineering workstreams, ensure code quality, mentor junior developers, and collaborate on technical strategies to enhance digital experiences for BECU members.

The Senior Software Engineer will design and maintain internal systems and automations for sales and marketing, focusing on integrations with CRMs and data management.

As a Senior Software Engineer, you will develop efficient systems to enhance healthcare delivery and collaborate with various teams to innovate features for patient care tools.

This role involves operationalizing data pipelines, deploying ML tasks, and providing architectural support in AWS environments for federal government projects.

The role involves architecting solutions for federal clients, supporting AI data pipelines, and providing technical advisory on identity management systems, with a focus on AWS cloud technologies.

As a Senior Software Engineer, you'll develop and enhance a user-centric Android app, focusing on 3D scanning, architecting the app, and tackling hardware integration challenges. You'll collaborate with teams to translate user needs into technical solutions and establish CI/CD processes.

Design, develop, and test software applications while mentoring junior developers and collaborating with cross-functional teams. Analyze data, solve problems, and create user-friendly products with a focus on engineering excellence.

Lead design, develop, test, deploy and maintain software solutions across systems. Drive technical direction, mentor engineers, resolve high-impact incidents, and collaborate with stakeholders to deliver cloud-based APIs and applications.

The Senior Full Stack Engineer designs and implements high-performance web apps, mentors colleagues, and collaborates on translating business requirements into production-ready solutions.

As a Senior Software Engineer, you will develop and optimize high-performance APIs, ensuring reliable, low-latency access to user data and collaborating closely with various teams on essential API infrastructure.

The Software Support Engineer III provides technical assistance for operational support, troubleshoots issues, writes cloud manifests, and documents solutions for future reference.