Top Senior Software Engineer Jobs in Hartford, CT

The Staff Software Engineer will lead design and development of cryptocurrency platforms, provide technical mentorship, and drive system reliability, while staying current on blockchain trends.

Design, build, and operate reliable backend systems while mentoring engineers, participating in design discussions, and improving system performance.

The Lead Systems HPC Engineer will optimize GPU clusters' performance, troubleshoot issues, integrate new hardware, and collaborate with teams on system-level software development.

The Senior Fullstack Engineer will build fullstack features for Real User Monitoring, working with backend services, APIs, and frontend visuals. Responsibilities include designing data ingestion systems, optimizing queries, and collaborating with SDK engineers to enhance user experience. Candidates should have strong backend and frontend expertise, particularly in high-volume data systems.

As a Senior SDET, you will enhance testing practices, improve CI pipelines, mentor engineers, and ensure platform reliability through comprehensive testing strategies.

As a Senior Software Engineer, you will build and enhance internal systems and tools that enable product engineering, focusing on high-quality software across the core platform, and contribute to intelligent AI-driven product capabilities.

Lead design and delivery of scalable front-end features using HTML, CSS, and JavaScript/TypeScript. Drive architecture decisions, code reviews, testing (TDD/A-B), CI/CD, and on-call support. Collaborate with product, design, and engineering, build reusable libraries, troubleshoot client issues, mentor teammates, and participate in hiring and interviews.

Design and implement core Web3 protocol features and secure smart contracts. Develop and deploy Solidity-based contracts, ensure scalability and performance, review code, mentor junior engineers, and collaborate across teams to integrate blockchain and DeFi solutions.

The Staff Software Engineer will enhance the Edge platform by improving its architecture, mentoring engineers, and guiding technical strategy while contributing code, ensuring reliability, and promoting AI-assisted development practices.

Lead architecture and implementation of high-throughput, low-latency AdServer and Exchange services. Design scalable, resilient distributed systems, integrate demand/supply partners, improve RTB/auction capabilities, advance observability and automation (including AI-driven testing/IaC), and mentor engineers to increase platform reliability and revenue growth.

Design and implement embedded firmware and low-level software for server BMCs and GPU/HPC platforms. Enhance OpenBMC, enable real-time telemetry of power/thermal sensors, debug low-level drivers and interfaces, validate hardware-firmware integration, and contribute to long-term firmware architecture for cluster reliability.

Lead the design and development of scalable solutions on cloud platforms, drive IT strategy, and manage stakeholder communication while building high-performing teams.

The Staff Software Engineer will develop web applications using React and TypeScript, enforce best practices, mentor teams, and enhance frontend security and testing strategies.

Build and scale the Libraries product UI, designing high-performance web applications that handle millions of packages. Partner with backend, product, and design to deliver end-to-end features, iterate from 0→1, integrate AI-driven workflows, and improve developer experience, performance, and usability.

Develop and maintain web and desktop applications using .NET technologies. Requires strong programming skills, experience with databases, and project management.

Design, build, and optimize edge data-collection agents for Windows, Linux, and Mac. Collaborate with product, UX, and engineering to deliver backend features, own development lifecycle, create automated tests, support SaaS products, and participate in 24x7 on-call rotations.

Define and drive full-stack architecture and technical vision across teams, write high-quality production code, lead zero-to-one projects, productionize ML systems, own reliability and SLOs, mentor senior engineers, and align engineering roadmaps with product and company strategy.

The Senior Software Engineer at Alkami builds user experiences for bank administrators and customers, focusing on coding best practices, system design, and technical guidance in an agile environment.

The Principal Software Engineer at Snout will define architectural direction, build features across the stack, and enhance team effectiveness, ensuring quality and performance.

As a Senior Software Engineer, you'll develop and enhance the Snout web platform, collaborate with teams, and lead technical projects while ensuring performance and reliability.

Design and implement a video processing engine, develop a cross-platform rendering engine, integrate systems, and optimize performance while collaborating with other engineers.

Design and scale backend services and APIs, develop user interfaces, mentor peers, and improve system performance and reliability.

The Senior Software Engineer will design, build, and maintain backend services and REST APIs while supporting data pipelines and governance practices within the Infrastructure team.

Lead reliability, availability, and resiliency strategies for large-scale systems, drive operational excellence, and provide technical mentorship across engineering teams.

The Staff Engineer will build web APIs and data pipelines for electricity cost modeling, collaborating across teams and ensuring efficient code in the energy analytics domain.