Top Software Engineer Jobs in Hartford, CT

The Senior Software Engineer will develop scalable web applications, lead technical projects, design complex systems, and enhance engineering culture through mentoring and collaboration.

As a Senior Software Engineer, you will design best practices for AI Agents, develop standards, collaborate on product opportunities, and stay updated on emerging Agent techniques.

Design, build, and operate backend platform services for ESPNdelivering live sports data. Own features end-to-end, troubleshoot production incidents, collaborate across teams, mentor engineers, and contribute to architecture and technical direction.

As a Software Engineer, you will design and build backend services for Relativity's generative AI platform, focusing on scalability and reliability in distributed systems.

Build and ship end-to-end features for Dover's marketplace and ATS. Propose product ideas, implement designs, launch, iterate in production, and collaborate closely with a small engineering team to move quickly and maintain high quality.

Design, build, and maintain scalable, secure backend services in Python. Implement SQL and NoSQL data models, CI/CD pipelines, and containerized deployments. Collaborate with product, front-end, and design teams, perform code reviews, optimize performance, troubleshoot production issues, mentor junior engineers, and improve development processes and infrastructure.

Build and maintain integrations with cloud providers and third-party security tools; design data pipelines to normalize and validate diverse API inputs; implement authentication flows (OAuth2/OIDC/API keys); ensure reliability with error handling, retries, observability; document integrations and collaborate with engineering to deliver consistent data for downstream features.

Design, develop, test, and support full-stack healthcare applications across the application stack. Modify and maintain existing software, enforce development best practices, participate in QA and SDLC processes, and collaborate with product, architecture, and support teams to deliver reliable solutions.

Build and enhance full‑stack cloud-native applications using Java/Spring and JavaScript/React. Own the full SDLC, apply TDD and CI/CD, troubleshoot production issues, mentor junior engineers, and drive technical direction as experience increases from contributor to Lead.

Develop, configure, integrate, and operationalize command-and-control (C2) and Common Operating Picture (COP) applications. Build workflow automation, event management, alerting, data fusion, dashboards, and operator-focused UX. Support testing, interoperability validation, demonstrations, and operational readiness while collaborating with systems engineering and stakeholders.

Join cross-functional XP teams to deploy and adapt the Imogen platform into client public cloud environments. Pair-program, collaborate with client infosec and infrastructure teams, lead technical discovery, apply XP practices (TDD, CI/CD, pair programming), onboard and mentor engineers, build deployment tooling, participate in on-call rotations, and travel periodically for client engagements.

Lead design and implementation of scalable backend services and member-facing APIs using Python/Django, PostgreSQL, BigQuery/dbt and GCP. Own infrastructure as code (Terraform), container orchestration (Docker, Kubernetes), async/event-driven systems, observability, and performance tuning. Mentor engineers, collaborate with Product and Data teams, and ensure secure, low-latency, AI-driven member experiences.

Support and enhance Power Automate and back-office platforms by designing, coding, testing, and maintaining automation and integration solutions. Collaborate with business and technology teams to gather requirements, build prototypes, implement CI/CD and TDD practices, and drive continuous improvement under senior guidance.

Lead backend TypeScript development and maintain services used by ~5M users. Contribute to full-stack features, code reviews, architecture discussions, mentor engineers, and collaborate with PM/design to build React-based web and mobile experiences.

Design, build, and operate highly scalable cloud-native microservices and web applications. Own features from design through production, improve observability, CI/CD, and cloud infrastructure, mentor teammates, collaborate across teams, and leverage AI developer tools to automate and accelerate engineering workflows.

Define and own autonomy architecture for large-scale UAV swarms: design perception, planning, control, and inter-robot/C2 protocols; make system tradeoffs; mentor engineers; write production-quality code; support test events (up to 25% travel).

Develop on-vehicle and simulation software across the autonomy stack: planning behaviors, sensor and payload integration, embedded/vehicle platforms, realistic UxS simulation, and electronics prototyping. Ensure reliable, testable code and support onsite test/integration events (up to 25% travel).

Design, build, scale, and operate a Kafka-compatible, object-storage-backed streaming platform. Own backend services, storage engine, multi-tenant control plane, transactions and multi-region features. Troubleshoot complex distributed systems, ensure operational readiness and SLAs, participate in on-call rotation, and contribute across the full stack including developer console UI.

Design, develop, deploy, and support Epic integrations and related applications. Contribute to architecture and technical decisions, participate in code reviews, and maintain CI/CD pipelines. Provide Tier-2 production support, incident management, root cause analysis, and documentation. Collaborate with Epic analysts, product, QA, and operations to deliver scalable, secure healthcare integration solutions.

Design, develop, test, and maintain web and mobile applications using .NET and Angular within an AWS and Agile environment. Implement AI-assisted tooling, agentic frameworks, RAG-style workflows, and UI prototypes; audit AI-generated code for quality and security; collaborate with cross-functional teams to deliver production-ready features.

Lead long-term technical strategy and execution across multiple teams, architecting and evolving foundational frontend/backend systems and platforms at massive scale. Drive AI/ML adoption, solve ambiguous, high-impact problems, remain hands-on in critical system design and implementation, and align senior leaders on roadmaps and engineering standards.

The Staff Software Engineer will design and implement solutions for the Websites product, collaborate across teams, and innovate on a scalable web platform for restaurants.

Build and own user-facing features and core platform architecture across frontend, backend, and ML pipelines. Integrate AI workflows (LLMs, embeddings) for curriculum generation and automated evaluation. Manage end-to-end development: requirements, design, implementation, CI/CD, testing, observability, and iteration while collaborating with product, design, ML, and customer teams.

Build and maintain scalable frontend platform features in a client-facing environment. Collaborate with designers, engineers, and stakeholders, contribute to technical design and code reviews, improve performance and stability, support testing and releases, and help maintain internal tooling and long-term system ownership.

Join as an early founding full-stack engineer to architect, build, and deploy a scalable platform serving AI-driven voice applications. You will own frontend and backend development, design infrastructure with the CTO, and deliver reliable production systems for enterprise customers.