Top Senior Software Engineer Jobs in Hartford, CT

Design, build, and own operator services that provision, repair, and manage bare-metal GPU servers. Implement secure, extensible code across firmware, imaging, DPU initialization, and network configuration. Operate and monitor GPU fleets at scale, serve on-call rotations to resolve incidents, and apply AI tools across the SDLC while driving automation, telemetry, and reliability improvements.

Lead design and delivery of cloud and AI production systems, partner with stakeholders to translate needs into architecture, ensure security and quality, mentor engineers, and drive customer adoption and scalable reusable solutions across engagements.

Lead architecture and engineering for Azure core platform: define technology requirements, resolve cross-team issues, drive systemic reliability/performance improvements, mentor engineers, support on-call operations, and apply AI/ML to cloud operations.

The role involves designing, building, and optimizing a data platform, collaborating with cross-functional teams, and ensuring data quality and security.

Lead and implement backend and developer-experience initiatives across Clojure and Go systems. Define architecture, build and operate distributed services, event pipelines, databases and APIs, improve observability and reliability, mentor senior engineers, and drive cross-team delivery from ambiguity to measurable outcomes while participating in on-call rotation.

Design, build, and operate high-performance, distributed .NET and TypeScript/React applications and cloud APIs. Implement microservices on AWS, automated testing, GitHub Actions CI/CD, observability with OpenTelemetry, and diagnose production issues to ensure scalable, reliable systems.

Build and improve Fleet and Streams UI in Kibana using TypeScript, React, and Node.js. Own end-to-end features, lead architecture and design discussions, enforce coding standards and testing, conduct code reviews, and collaborate asynchronously with designers and product managers to deliver intuitive, scalable user interfaces for log and agent management.

Design, build, and maintain high-performance, distributed full-stack applications using C#/.NET and TypeScript/React. Implement microservices on AWS (DynamoDB, RDS, SQS, Lambda, API Gateway), automated testing, and GitHub Actions CI/CD. Troubleshoot production issues, optimize performance, and instrument observability (OpenTelemetry, tracing, metrics). Collaborate with product and engineering teams to deliver scalable, secure, multi-tenant solutions.

Build, enhance, and maintain backend API services and integrations for the VA BTSSS. Implement secure, performant services, support CI/CD and cloud deployments, troubleshoot production incidents, participate in two-week sprints, code reviews, testing, documentation, and ensure VA compliance (508, security).

Lead end-to-end design, development, and delivery of enterprise-scale software. Architect scalable, fault-tolerant systems, drive DevOps/CI-CD, ensure testing and code quality, mentor engineers, collaborate with stakeholders, and manage project risks to deliver high-impact features.

Own and improve Plane's automated test suite for web and desktop clients: design frameworks, cover hard-to-test scenarios (concurrency, offline/recovery, agent-driven nondeterminism), keep tests fast and reliable, run suites in CI, test cloud and self-hosted environments, and triage failures across teams and community PRs.

Design, develop, secure, and deploy high-scale, resilient healthcare software and web applications. Participate in all SDLC phases on a scrum team, resolve escalated support issues, and deliver cloud-based services (preferably AWS) to global and government environments while complying with corporate policies.

Design, build, and operate large-scale distributed host networking systems for Azure. Develop host agent services for network configuration, connectivity, and traffic orchestration; improve reliability, observability, and deployment safety; lead incident RCA and mentor engineers while driving architectural direction.

The Staff Software Engineer will enhance expert call services, develop software solutions, mentor team members, and contribute to technical strategy at AlphaSense.

The Senior Platform Engineer will enhance internal tooling, optimize CI/CD pipelines, and ensure AWS infrastructure reliability and security while facilitating fast software development and deployment.

Build and maintain platform systems that provision, secure, and observe isolated agent execution environments. Design reusable primitives for queues, jobs, locks, and service-bus mechanics. Extend Pulumi-based IaC, work with containers, Linux internals, storage, permissions, logging, and runtime debugging. Ship reliable, maintainable infrastructure-driven application code and collaborate in a small cross-functional team.

Design, build, and maintain scalable backend services and APIs; deliver product features end-to-end; maintain integrations; diagnose and resolve performance and reliability issues; improve engineering practices and architecture; support large-scale data ingestion and unified data access layers.

Senior backend engineer building secure, scalable microservice infrastructure. Translate product requirements into technical designs, implement high-availability services, design APIs and schemas, embed security across app/API/infrastructure layers, build observability (metrics, alerts, tracing), collaborate with product/design, and participate in hiring while working remotely.

Lead design and delivery of scalable, reliable software using C#/.NET, SQL Server, React, and Azure. Own complex initiatives from design through operations, mentor engineers, improve CI/CD, observability, and apply DDD/TDD/VSA practices. Use modern APIs, microservices or modular monoliths, and AI-assisted tooling to improve delivery.

Senior full-stack engineer responsible for designing, building, and maintaining TypeScript/React frontends and backend services. Lead architecture, mentor engineers, write automated tests, optimize systems for scalability and performance, and collaborate with product and stakeholders to deliver secure, reliable cloud-based solutions.

Work with customers and cross-functional teams to design, build, and deliver cloud-based solutions. Lead design, identify dependencies, mentor engineers, act as DRI and on-call, and improve availability, reliability, observability, and performance. Contribute to open-source assets and collaborate with Microsoft product teams to produce extensible, maintainable code and scalable solution patterns.

Design and build high-throughput database integrations and data-intensive systems. Ensure end-to-end reliability, debug production issues, improve tooling and observability, participate in on-call rotation, collaborate with customers and cross-functional teams, and drive product and open-source innovation.

Design, build, deploy, and operate backend services, APIs, integrations, and web applications. Own end-to-end features, improve CI/CD and observability, troubleshoot cross-service issues, participate on-call, and collaborate with product and leadership to deliver reliable production systems.

Lead design, develop, test, and maintain complex software solutions across cloud platforms. Provide technical leadership, mentor engineers, resolve critical incidents, implement APIs, IaC, observability, and improve delivery practices.

Design, build, test, and maintain React Native features for Hertz consumer mobile apps on iOS and Android. Collaborate with cross-functional teams, integrate APIs and third‑party services, optimize performance, resolve production issues, contribute to CI/CD and testing, and improve mobile UX and accessibility.