Software Engineer Jobs in New Hampshire, United States

Peraton Labs cybersecurity research team develops advanced defenses and AI-driven analysis to protect mission-critical systems. The Software Engineer designs and implements secure software, conducts vulnerability research, and integrates modern networking and cloud technologies.

Software Engineering team at Sirsi Corporation builds and maintains enterprise software solutions. The role designs, develops, and tests Java applications using Spring Boot, REST APIs, and databases while collaborating with architects and product managers.

Intralinks Platform team at SS&C Technologies builds a secure, highly available SaaS content management and collaboration platform used across the Intralinks portfolio. The Senior Software Engineer designs and implements scalable web applications, collaborates with architects, mentors junior developers, and drives performance and quality in a cross‑functional Scrum environment.

Cognizant is hiring a Senior Software Engineer to design, develop, and enhance modern full stack applications that deliver exceptional user experiences and drive business value. Day-to-day work includes translating business requirements into scalable technical solutions, driving CI/CD automation and code quality, collaborating with cross-functional teams in an Agile environment, and troubleshooting application issues.

Cognizant is seeking a Senior Software Engineer to design, develop, and enhance modern full stack applications that deliver exceptional user experiences and drive business value. You will translate business requirements into scalable, secure, and high-performing solutions while collaborating with product owners, architects, developers, and stakeholders.

Liberty Mutual Insurance is hiring a Backend Software Engineer for its Technology organization in Portsmouth, New Hampshire. The role focuses on platform modernization initiatives using REST, microservices, and cloud platforms (AWS, Azure, or Google Cloud) with Java, NodeJS, and Spring Boot.

Senior Software Engineer at Liberty Mutual Insurance's Technology organization in Portsmouth, New Hampshire, United States. You will design and develop technical solutions within an agile team, collaborating with Scrum Masters, Product Managers, data scientists, and stakeholders to deliver data-driven solutions.

AI & Full-Stack team at Worksoft builds modern, AI‑integrated web applications that power the enterprise automation platform. The Senior Software Engineer designs and delivers full‑stack features and AI‑powered capabilities—from responsive UI and REST APIs to LLM model integration—ensuring scalability and business impact.

Parallel Wireless is reimagining mobile networks with innovative, energy-efficient Open RAN solutions. Join us as we lead the future of telecommunications, driving innovation through green and sustainable networks.

Architecture and Technology Foundation (ATF) at Fidelity builds integrated web and desktop experience platforms, design systems, and shared UI frameworks that power Asset Management applications. The Director leads engineering strategy, execution, and evolution of these platforms, balancing people management with deep technical craftsmanship and guiding teams through complex trade‑offs.

Principal Software Engineer role at Fidelity in Merrimack, NH, building end-to-end solutions that integrate diverse data sources, distributed systems, and cloud-native services at enterprise scale. The role defines application-level architecture, develops complex Java-based full stack web applications, optimizes high-volume mission-critical workflows, and advises senior management on technical strategy while mentoring junior team members.

EFI R&D Software Engineer on the Print Solutions team, building and evolving unified printer software platforms. Develops C++/C# applications, integrates with printer control systems, cameras, and hardware, and supports legacy and new products.

SmartCop, part of Harris Computer's Frontline portfolio, delivers integrated public safety software for law enforcement and first responders. The Software Engineer builds reliable, scalable applications for SmartCop systems, collaborates across the software development lifecycle, and leverages AI‑assisted development tools to improve code quality and testing.

CAMP Systems is the trusted leader in aircraft compliance and health management, serving the global business aviation industry with platforms supporting over 20,000 aircraft. As a full-stack Software Engineer on an Agile Scrum team in Merrimack, NH, you will design, build, scale, and maintain enterprise-grade web applications using .NET and Angular, working closely with product managers, designers, and other developers.

Consumer Experience and Analytics within CVS Health's DDAT organization builds AI-powered digital experiences for members. The Principal Software Development Engineer leads architecture and development of cloud‑native, AI‑driven platforms that personalize health information and support.

CVS Health's Consumer Experience and Analytics organization, within the Data, Digital, Analytics, and Technology (DDAT) group, is seeking a Principal Software Development Engineer to drive AI-powered innovation and build a cloud-native platform that transforms healthcare experiences for hundreds of millions of consumers. Day-to-day, you will lead strategic technical initiatives across value streams and Agile Release Trains, design microservices and micro-frontend architectures, evaluate emerging

DEKA Research & Development's Quality Engineering team builds and validates software tools for life‑changing medical devices. The Senior Software Quality Engineer leads requirement capture, designs system‑level test strategies, and supports device teams with modern, validated software solutions.

CVS Health Digital is seeking a Staff Software Development Engineer to serve as both a Technical Lead and Individual Contributor on a high-energy team reinventing pharmacy and health care in the digital world. Day-to-day work includes designing and implementing scalable solutions, creating Proof of Concepts, driving delivery excellence, partnering with business and IT leaders to build digital assets, and providing expert-level support and RCA for complex issues.

CVS Health is seeking a Lead Director of Software Engineering to drive technical strategy across a multi-team engineering organization of 50–150+ engineers, setting architectural standards and embedding LLMs, generative AI, agentic workflows, and ML-powered automation into production systems. The role partners with Product, Data Engineering, and healthcare business leaders to translate business strategy into engineering bets, own delivery at velocity, and advocate for the right engineering inves