Top Remote Software Engineer Jobs in Hartford, CT

Own quality engineering and test automation for BRINC's LiveOps web platform and backend services. Design and maintain automated API, integration, and end-to-end test frameworks, validate security/IAM controls and ML/vision outputs, build test infrastructure, run performance/load testing for real-time streaming and teleoperation, integrate tests into CI/CD, triage failures, and produce quality metrics and release-readiness reports.

Develop and maintain the Keycard Agent SDK, ensuring compatibility with various languages and frameworks, while engaging with the developer community to enhance agent applications.

As a Software Engineer at Keycard, you'll design, develop, and implement identity and access infrastructures for dynamic, agent-native systems. You'll work on innovative projects that enhance developer experience and security, collaborating closely with a distributed team.

Design, develop, test, and deploy .NET solutions (APIs and web apps). Build and consume RESTful services, work with SQL and NoSQL databases, use cloud (Azure/AWS) and Docker, apply unit/integration/performance testing, participate in code reviews, define features via spikes, and architect scalable, high-performance systems. Support occasional after-hours and on-call rotation.

The Software Engineer will develop and operate the Praetorian Guard platform, implement backend and frontend solutions, and collaborate with security engineers on features and scalability.

Design, develop, maintain, and extend healthcare billing and enrollment software. Collaborate with architects and engineers on APIs and architecture, triage production issues, write unit tests, perform impact analysis, research solutions, follow secure coding practices, and mentor junior engineers on an Agile scrum team.

Lead full-stack development across backend and frontend systems, implement and maintain features, fix bugs, collaborate with product and design, support client projects, and contribute to a distributed remote engineering team focused on high-impact startup missions.

Design, build, and maintain scalable, responsive frontend applications using React, Vue, and TypeScript. Convert UI/UX designs to pixel-perfect interfaces, optimize performance and memory usage, ensure accessibility, integrate with backend APIs, and contribute to architectural and technical decisions while collaborating with product, design, and backend teams.

Build and maintain front-end and back-end platform features for a SaaS compliance product using React, TypeScript, and Go. Collaborate with product, design, and engineering leads to design relational schemas, write reliable code, debug defects, and automate repetitive tasks to improve team velocity and software quality.

Design, build, test, and deploy scalable front-end and back-end software for a remote literacy assessments team. Collaborate with product, design, data science, and DevOps to improve APIs, reporting, and classroom reliability. Participate in code review, automated testing, deployment automation, monitoring, and cross-functional learning to deliver equitable education tools.

Lead design and operation of test infrastructure at scale: test orchestration, smart selection, parallel sharding, flaky-test detection, observability, SLOs, and on-call. Define technical strategy, drive cross-team projects, mentor engineers, and reduce test feedback time to accelerate engineering velocity.

The Software Engineer in Platform Operations designs and manages core infrastructure, ensuring secure, scalable, and reliable platform operations while collaborating with software engineers to improve deployment experiences.

Design, build, and scale backend services and APIs; own AWS infrastructure and CI/CD; optimize codebase and databases; ensure security, reliability, and observability; collaborate cross-functionally and evaluate AI tooling.

As an AWS Software Engineer II, you will develop microservices, support legacy systems, and guide junior engineers, while improving operational workflows in an Agile team.

Lead technical direction and hands-on execution for major products and systems. Design scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; write code; make architecture trade-offs; solve complex production issues; improve engineering quality; lead critical initiatives; and mentor engineers across teams.

Owns technical direction and execution for major products and systems. Designs scalable backend, frontend, API, database, and infrastructure solutions; writes production code; drives architecture decisions; resolves complex engineering problems; improves testing, security, observability, and development practices; and mentors engineers across teams. The role requires leading major initiatives from design through production in a globally distributed environment.

Owns technical direction and execution for major products and systems. Designs scalable, reliable architectures across backend, frontend, APIs, databases, and infrastructure; writes code; leads architecture decisions; resolves production issues; improves engineering quality; and mentors engineers across teams. The role requires hands-on leadership, strong system design, and experience delivering complex production systems in distributed international teams.

Build end-to-end production features across backend, frontend, and database. Integrate LLM APIs and agentic workflows into products and internal developer tools. Improve CI/CD, deployment, and developer infrastructure. Debug production issues on GCP and containerized services; participate in code reviews and architecture discussions on a small collaborative team.

Own and modernize the governance domain (auth, roles/permissions, orgs, billing) as a Staff-level backend IC: set architecture, refactor for scale and AI-native workflows, write critical-path code (70-80%), mentor engineers, and partner with product to deliver enterprise-grade governance and compliance features.

Design and implement high-performance networking infrastructure for large-scale AI training on Azure. Lead architecture, produce secure, maintainable code, define test strategies, use AI tools for development and automation, review code, and collaborate across teams to ensure performance, scalability, reliability, and observability.

Build and improve a browser extension and serverless backend using a strongly-typed functional stack. Design algorithms to locate page elements, extract structured data, and integrate AI for web automation. Collaborate on a small distributed team focused on usability and reliability.

The role involves building platforms and core systems for identity services at Keycard, focusing on developing distributed systems and CI/CD automation while creating a best-in-class developer experience.

Design and build operational data systems, including pipelines, storage layers, and APIs for near real-time enforcement and insights, balancing streaming and batch paradigms.

Own and deliver major features across the flight booking funnel: flight search, booking creation, and post-booking fulfillment. Implement award ticket pricing, point transfers, and integrations with airlines and GDS partners. Collaborate with the flights expert to scale routing, booking engines, and partnership integrations.

As a Compiler Engineer, you'll enhance compiler performance, support multiple operating systems, develop toolchains, ensure interoperability, and contribute to open source.