Top Software Engineer Jobs in Hartford, CT

Design, build, and lead scalable API and platform features. Mentor junior engineers and drive technical initiatives from design to delivery.

Design, develop, test, and own SDKs and REST APIs for a next-generation analytics platform. Collaborate with Product Management, contribute to DevOps and quality frameworks, perform code reviews, and mentor teammates to deliver performant, well-tested software.

The Senior Software Engineer will lead technical initiatives, design scalable systems using Node.js and AWS, mentor engineers, and improve platform reliability.

As a Senior Software Engineer at MNTN, you'll design and operate backend systems for ad delivery, ensuring high performance and reliability. You'll work with Java, Kotlin, and Scala to handle high-throughput services and contribute to architectural decisions while improving system efficiency.

As a Senior Backend Engineer, you will enhance the Integrations platform for managing large data streams, collaborating with teams, and optimizing connectors.

The Staff Software Engineer will build and maintain GoGuardian's Safety product suite, lead architectural decisions, mentor developers, and champion AI adoption in engineering workflows.

Design, build, and maintain APIs and systems at Telnyx, debug production issues, improve engineering standards, and collaborate across teams.

Lead architecture and implementation of Chainguard Repository: design, build, and operate high-availability backend services in Go that serve package registries and APIs; improve scalability, reliability, observability, and load testing; drive technical decisions, collaborate across teams, and mentor engineers.

Lead design and build of a 0-1 Identity Graph platform for real-time identity resolution. Own architecture, implement high-performance synchronous read models, build data pipelines, enforce PII privacy boundaries, ensure production resilience and observability, and mentor engineering teams while aligning cross-team stakeholders.

Lead technical initiatives to design and build scalable, high-performance batch and real-time data pipelines and microservices. Use Big Data tools (Spark, Kafka, EMR, S3) and AWS services to ingest, store, transform, and query large datasets. Maintain and optimize systems, perform code reviews, mentor engineers, implement security and data governance, and collaborate with product teams in an Agile environment to deliver reliable production software.

The Senior Software Engineer will design and develop the PBM adjudication platform, mentor junior engineers, and maintain production systems using various technologies.

Build and own backend identity APIs and core authentication flows for scale. Partner with product and engineering leadership, author design docs, improve production resilience and observability, handle incident response and on‑call, collaborate across teams, and mentor other engineers.

Lead full-stack feature development for an enterprise IT lifecycle platform: design, build, test, and ship end-to-end solutions. Use AI tools to accelerate work while reviewing and hardening outputs. Mentor engineers, run code reviews, collaborate with stakeholders, set estimates and milestones, and influence product and roadmap decisions. Maintain reliability through testing, CI, and containerization.

Design and develop large-scale Java-based identity management features for PingIDM. Collaborate with distributed teams to analyze requirements, implement secure RESTful APIs, enable cloud deployments, optimize performance, and support customer-facing teams to resolve issues.

Lead architecture and roadmap for Twilio's Compliance Experiences platform, modernizing legacy systems into cloud-native microservices. Drive AI-augmented development, design high-availability APIs and data systems, mentor senior engineers, ensure regulatory-compliant developer experiences, and lead incident remediation and cross-team technical strategy.

Lead design, implementation, and deployment of open-source, cloud-native features (Zarf). Integrate with defense systems, own architecture decisions, mentor engineers, engage open-source communities, produce documentation, and drive product direction with a focus on Kubernetes, cloud, and secure software delivery.

Design, build, and operate production-ready distributed systems and microservices. Deliver new features, improve reliability and scalability, identify bottlenecks, mentor junior engineers, and contribute to architecture and modernization efforts.

Lead as a customer‑embedded principal engineer to design, build, and ship production-grade solutions. Translate business needs into technical approaches, influence senior stakeholders, accelerate delivery in ambiguous environments, and transition work to FDE crews while driving long-term account impact.

Lead architecture and implementation of Revenue Hub (CPQ, Billing, Payments). Design APIs, domain models, and platform contracts; build and ship distributed, event-driven systems; ensure financial correctness and safe AI-agent interactions; own large cross-team initiatives; mentor senior engineers and drive platform patterns, reliability, and extensibility.

Design and implement mainframe-based software for claims processing using COBOL, CICS, DB2 and related tools. Architect solutions, write and test code, debug, perform code reviews, integrate systems, and produce technical documentation. Work in Agile teams, collaborate with stakeholders and offshore vendors, and support claim adjudication and payment processes.

The role involves testing safety-critical embedded software for Aerospace systems, ensuring quality compliance, and may transition into leadership or development.

Design, build, and maintain scalable full-stack systems; own features end-to-end; solve complex distributed-systems problems; mentor junior engineers; collaborate with Product and Design; ensure code quality, testing, and scalability for commerce/3PL applications.

Develop high-reliability software for safety-critical applications in UAS technology. Collaborate with teams, maintain solutions, and automate processes.

Design and implement the core components of the Agents Python framework, focusing on API and abstraction development for AI-driven applications.

SewerAI seeks a Senior Full-Stack Software Engineer to develop an AI-powered sewer inspection platform, focusing on computer vision, geospatial analysis, and robust data pipelines.