Top Software Engineer Jobs in Hartford, CT

Build and operate backend and platform services for the Wikidata Query Service and related data pipelines. Improve reliability, scalability, observability, and automation; respond to incidents; support migrations and deployments; integrate with other Wikimedia systems; participate in design, code review, documentation, and knowledge sharing.

Lead technical direction and execution for Code Plane products (Batch Changes, Agentic Batch Changes, Code Monitors, Code Insights, src CLI). Translate customer feedback into roadmap, ship agent-focused features, mentor engineers, own architecture and quality, participate in on-call, and partner with Product, Design, and Customer teams to deliver scalable AI-agent developer tools.

Lead design and build of scalable backend systems and data platforms; own architecture and production deployments; improve reliability, performance, and observability; mentor engineers and collaborate with Product, Data Science, SRE, and Security.

Owner of core clinical backend systems: design and build TypeScript/Nest.js APIs, model clinical domains in PostgreSQL/Prisma, implement onboarding/migration flows, ensure CI/CD, monitoring, HIPAA/SOC2 readiness, collaborate with clinical stakeholders, and build monitoring/reporting with Sentry/Datadog on AWS.

Develop, test, and maintain production-quality C++ software implementing Government Reference Architectures for mission-critical defense systems. Translate MBSE (SysML/Cameo) artifacts into interoperable components, implement APIs/ICDs, integrate distributed messaging frameworks (ActiveMQ/DDS/ZeroMQ), and maintain CI/CD, automated testing, containerized builds, and static analysis. Collaborate with systems engineers, architects, autonomy engineers, and government stakeholders to validate interoperability and performance.

Develop and integrate open-architecture, standards-based software for defense and aerospace systems. Implement and map interoperability standards (SOSA, FACE, AMS GRA, UCI), work with serialization formats (OMG IDL, protobuf, XSD, XMI), perform structural and semantic gap analysis, support interface/data model transformations, collaborate with multidisciplinary teams, produce documentation and interface specifications, and participate in architecture and design reviews.

Develop systems software to parse, reverse-engineer, and deterministically generate complex engineering data. Build tooling for schema translation, compiler/transpiler solutions, reproducible CI/CD pipelines, and automated document generation. Collaborate with multidisciplinary teams, support verification/validation, and apply MBSE concepts for engineering integration.

Own and improve cloud infrastructure and CI/CD for a production platform: design IaC (Terraform/CloudFormation), operate AWS services (EKS/ECS/Lambda), implement security and observability, automate operations, lead incident response, and contribute to QA automation and application reliability.

Build a high-performance, low-latency Rust backend and core AI platform for an AI-native trading experience. Implement streaming responses, tool orchestration, caching, secure APIs (auth, rate limits, auditing, tracing), and safe trading action infrastructure (previews, confirmations, idempotency, audit logs). Partner with product and frontend to enable AI-native UX and translate business domain requirements into secure, resilient platform primitives.

As a Senior Backend Engineer, you'll build cloud-native backend services using Golang, deploy in Kubernetes, and lead architecture projects in a startup environment.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Seeking a Software Engineer responsible for designing and developing scalable software solutions, participating in Agile processes, and collaborating with teams.

Build and ship full‑stack features for North, an enterprise AI workspace. Develop secure autonomous agents, execution engines, integrations, observability and evaluation systems. Collaborate with researchers to productionize models and deliver performant, low‑resource deployment code while adhering to strict security and privacy constraints.

As a Founding Software Engineer, you'll architect and evolve core backend systems and streaming data pipelines, optimize performance and storage, and define data models to enhance AI deployment safety and performance in real-time environments.

As a Founding Software Engineer, you will design and maintain backend services, develop APIs, and collaborate with teams to improve performance and architecture for an AI recruiting platform.

The Lead Rust Software Engineer will design and build scalable applications, mentor teams on Rust, and contribute to complex product development.

The role involves developing APIs, building internal tools, and collaborating with teams to enhance system performance while solving engineering challenges.

As a Backend Engineer, you'll develop software for backend systems and APIs, ensuring high quality and performance. You'll collaborate with cross-functional teams, take ownership of your projects, and manage on-call duties.

As a Software Engineer on the Edge team, you will own edge networking configuration, manage DNS, and improve observability while shaping the team's engineering practices.

Develop, test, and maintain web applications across the full application lifecycle. Write clean object-oriented code, implement REST APIs, work with relational and NoSQL databases, deploy to cloud-native infrastructure, participate in Agile teams, support production systems (on-call), and create automated tests for reliability and performance.

Develop and maintain scalable Node.js/JavaScript services on AWS (Lambda, Fargate), build and monitor RESTful APIs, manage data in S3, contribute infrastructure-as-code (CloudFormation/CDK), and support integrations with Salesforce (LWC, Apex). Collaborate with senior engineers and product managers, improve systems, and document work.

Design, build, and maintain scalable cloud-based mobile and web backend systems using TypeScript/Node.js and NestJS. Develop and integrate REST APIs, support an AWS-hosted SaaS product, troubleshoot production issues, improve performance and reliability, participate in Agile/Scrum, contribute to architecture and engineering standards, and collaborate cross-functionally to translate product goals into reliable software.

Lead full-stack development across Superset frontend and backend services. Design and ship end-to-end features, improve performance and scalability, own major technical initiatives, mentor engineers, set engineering standards, and collaborate with product, design, and the open-source community.

Develop, maintain, and automate Twilio's Compute cloud infrastructure including scalable cloud-native environments, VM orchestration, hardened AMIs, ASG/EC2 management, container images, and OS libraries. Collaborate with architects and engineers, produce IaC-compliant implementations, author documentation and runbooks, participate in on-call rotation, and support legacy and new platform components using automation and best practices.