Top Senior Software Engineer Jobs in Hartford, CT

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

Design, implement, and maintain scalable platform services and data pipelines supporting media workflows. Build media processing, security, and content-management solutions on cloud infrastructure. Collaborate with cross-functional teams, provide production support, and mentor junior engineers to improve reliability, performance, and automation of content supply-chain systems.

Build and maintain on-chain smart contracts and backend services for branded USDC-backed stablecoins. Own issuance, reserves, mint/burn, and rewards systems; drive architecture, security, and operational excellence; ship features with product and design partners and ensure well-tested, auditable production deployments.

Lead technical strategy and architecture for Affirm Bank's cloud, data, vendor integrations, and operational tooling. Design, build, and operate high-stakes systems end-to-end, own incident response, vendor selection, and the Bank↔Affirm Inc integration boundary. Ensure examiner-ready documentation, compliance, reliability, and observability while mentoring engineers and pushing AI-assisted engineering practices to increase velocity and product safety.

As a Senior Frontend Software Engineer, you'll lead the development of major features using React and TypeScript, ensuring performance and integration with backend systems. You'll also manage releases, improve team efficiency, and contribute to a customer-centric product experience.

Lead architecture and implementation of software for autonomous UAS systems; mentor engineers; ensure compliance with aerospace standards; optimize CI/CD pipelines.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

Develop and enhance the new Stores platform while supporting various e-commerce tools to improve seller success online.

As a Senior Fullstack Software Engineer at Vanta, you will lead complex projects, set technical direction, design and develop new functionalities, and contribute to the engineering culture while mentoring other engineers.

The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.

Design, build, and maintain secure, scalable cloud automation and tooling for Azure Government. Operate mission-critical production systems (24x7 on-call), implement IaC and DevOps pipelines, resolve Azure PaaS and app issues, enforce federal security/compliance, manage IAM and deployments, support audits, and maintain technical documentation.

Seeking experienced Senior Backend Engineers to join a collaborative team, focusing on backend systems, shared services, and product features aimed at improving user experiences and monetization.

Design and implement DataPath on silicon. Write efficient, modular code with thorough testing. Requires experience in packet forwarding and virtualized Linux environments.

Develop automated solutions for material handling, including software design, integration, testing, support, and project management, primarily in back-end development.

The Senior Full Stack Software Engineer will oversee technical development in a B2B SaaS healthcare environment, mentor junior engineers, and lead product features.

As a Senior Software Engineer, you'll build AI-powered features, integrate LLMs, design scalable systems, mentor teammates, and collaborate to enhance user experiences.

The Software Engineer will develop customer-facing integrations, build APIs, enhance security, and improve system reliability while collaborating with multiple teams.

The Senior Web Software Engineer will build and maintain web components, own features from inception to production, implement designs, partner with teams, and impact product evolution.

The Senior Mobile Software Engineer will develop user-facing features for a cross-platform app, ensuring code quality and functionality throughout the entire lifecycle of features.

As a Senior Backend Software Engineer at Step, you'll own features from inception to production, improve Kotlin services, ensure code quality, and work collaboratively in a small team.

Lead the bioinformatics pipeline team, setting technical strategy and architecture. Ensure engineering best practices, mentor staff, and oversee DevOps strategy for reliable software delivery in a regulated environment.

The role focuses on optimizing coding practices and collaboration within the engineering team, improving internal tooling, and communicating between teams and leadership.

Design, implement, and ship end-to-end features across backend services and a React web client for a multi-tenant ERP. Own schema design, migrations respecting row-level security, integrations with platform services, and deliver high-quality, performant code with CI/CD, tests, and code review. Leverage AI coding assistants responsibly and collaborate cross-functionally to evolve shared platform libraries and developer tooling.

The Senior Svelte Software Engineer will develop high-quality, scalable Svelte web components, collaborate on design systems, and ensure component reliability.

The Senior Software Engineer will lead teams to build secure, high-scale cloud applications, ensuring system reliability and delivering software solutions.