Full-Time
Sr.Fullstack Engineer-Merrimack
NH
Photon
Global AI and digital solutions provider
Compensation Overview
$40k - $142k/yr
Merrimack, NH, USA
In Person
 Software Engineering (1) |
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- Bachelor’s Degree in Computer Science, Information Systems, or related field
- 10+ years of development experience with strong working knowledge of Java and Spring/SpringBoot, Angular TypeScript, JavaScript, HTML5 and CSS3
- Strong experience with web services (JSON, XML, REST, SOAP, YAML, etc.)
- Conversant in REST API authentication including OAuth, SAML and JWT
- Deep understanding of API design, including versioning, isolation, micro-services, and experience in detailing APIs using an API documentation framework (Swagger)
- Strong knowledge in application development with micro architectures.
- Strong knowledge of API gateways such as Stratum, WSO2, and Tomcat
- Experience with writing manual test cases as well as experience using test automation and frameworks like Cucumber, Karate, Insomnia
- Knowledge of logging and observability concepts and the usage of tools such as Datadog and Splunk
- Proven experience in building and deploying software solutions using public cloud provider services like AWS using Continuous Integration/Continuous Deployment (CI/CD) tools like Terraform, Jenkins, Udeploy
- Exposure to domain design, micro services architecture, data aggregation, service integration
- Ability to understand and adapt to changing business priorities and technology advancements
- Knowledge of end-to-end DevSecOps automation with CI and CD pipelines including Unit, Component, Functional, Performance, and Security test automation
- Certifications in, and working experience with, AWS
- Perform troubleshooting and triaging in Assist in production and nonproduction environment
- Standout colleague, self-starter, collaborative, innovative and eager to learn every day.
- Excellent communication and documentation skills.
- Ability to multi-task within various initiatives if needed
- 2-3 years of experience in Agile development
- Experience with Jira
- Design and development of IWMS products and services platform, focusing on delivering business capabilities across a globally distributed team of IT professionals.
- Work with project managers, systems analysts, offshore resources, tech leads, quality assurance, and architects to build solutions that meet critical business needs.
- Translate application storyboards and use cases into functional applications.
- Design and implement software solutions that meet requirements and are aligned to the project/program strategic direction.
- Adhere to engineering best practices and participate in design and code reviews.
- Develop and maintain partnerships across the organization.
- Collaborate with peers through code reviews, pair programming or interactive discussions daily.
- Engage with distributed team of developers in leading standard methodologies for software engineering.
- Follow outstanding software engineering practices and always looking to improve engineering skills and industry knowledge.
- Bring a data-driven and team approach to decision making, both in day-to-day work and in making strategic trade-offs.
- Collaborate with business and technology partners to define and deliver our strategy and roadmap based upon business requirements.
- Help maintain code quality, security, organization, and automation.
- Initiative and self-motivation
- Formal project life cycle methodology experience – waterfall and agile
- Organizational and presentation skills
- Willingness to explore and learn new technologies
- Understanding of building net new UI’s as well as integrating with other applications and services
- Ability to multi-task within various initiatives if needed
- Experience with Jira
Photon helps large enterprises accelerate AI adoption and digital growth. It delivers AI management, digital innovation, product design thinking, and engineering to implement and run AI solutions, scale products and experiences, and improve operations. By serving thousands of employees across many countries and working with a sizable portion of the Fortune 100, Photon combines global delivery with a broad skill set to handle billions of daily touchpoints. Its goal is to keep clients agile and future-ready by expanding AI capabilities and digital initiatives across industries.
Company Size
N/A
Company Stage
N/A
Total Funding
N/A
Headquarters
London, United Kingdom
Founded
N/A
Simplify's Take
What believers are saying
- Generative AI boosts Photon's UX/UI prototyping for Fortune 100 clients.
- Omnichannel MarTech consolidation expands Photon's Salesforce integrations.
- AI personalization aligns with Photon's data-driven 1 billion interactions.
What critics are saying
- Salesforce Einstein GPT undercuts Photon's integrations for Fortune 100 clients.
- Accenture's Navisite acquisition steals 40% of Photon's Fortune 100 clients.
- TCS launches rival Digital HyperExpansion in Q1 2026, undercutting pricing.
What makes Photon unique
- Photon manages 1 billion daily customer interactions via Digital HyperExpansion.
- Photon deploys 7,500 digital engineers for Fortune 100 infrastructure modernization.
- Photon excels in vertical-specific consulting for financial services and healthcare.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
401(k) Retirement Plan
Paid Vacation
Paid Holidays
Performance Bonus
Company News
Exein unveils next-generation runtime security to protect the ai-native world. * Photon blocks cyberattacks before execution across physical AI and IoT, autonomous AI agents and cloud and edge infrastructure * Kernel-level prevention sets a new standard beyond traditional user-space detection * Builds on Exein's position as the world's largest runtime security provider, protecting over two billion devices Mar 23, 2026 Prev Next 1 of 42,872 Exein, the global leader in runtime cybersecurity, unveiled Photon, a preemptive breakthrough solution that blocks cyberattacks at the point of execution. Designed for the AI-native world - where digital and physical systems are now inseparable - Photon marks a fundamental shift in how critical infrastructure protects itself. Unlike traditional cybersecurity solutions that detect threats after compromise - typically operating in user space and relying on a cloud network - Exein's Photon operates directly inside the kernel, preventing malicious execution paths before they can run. By blocking attacks before the point of execution, the technology dramatically reduces latency and eliminates entire classes of threats before damage occurs. If malicious instructions cannot execute, the attack itself cannot take place. This advancement establishes a new category of runtime security designed for systems that cannot be disconnected: physical AI and IoT environments, autonomous AI agents, and local hybrid cloud and edge infrastructure. In these environments, from industrial robotics and critical infrastructure to AI-driven platforms, downtime is not an option, and protection must be more precise and granular, blocking malicious threats without shutting down the entire process. The announcement at the RSA Conference (RSAC) comes as cyber threats increasingly target physical systems. Last month, the Munich Security Report 2026 warned that cyber operations are now engineered to cause real-world disruption, accelerating regulatory intervention after voluntary measures failed to address systemic vulnerabilities. At the same time, the speed of attacks is accelerating dramatically: recent threat intelligence shows average attacker 'breakout times' fell to just 29 minutes in 2025, 65% faster than the previous year, driven in part by AI-assisted automation. Protecting the digital and physical in the AI era Artificial intelligence is already capable of identifying vulnerabilities in software and infrastructure. In the near future, these models will not only detect weaknesses but exploit them autonomously to launch attacks at machine speed. As the scale and sophistication of these attacks grow, traditional runtime security systems that rely on detection alone will no longer be sufficient. Photon introduces a new model of preemptive runtime security designed for this AI-driven environment. Rather than detecting attacks after they begin, it prevents malicious execution paths from running in the first place, blocking threats in real time before they can impact the system. Unlike conventional security tools that operate in user space alongside the applications they protect, Photon operates directly within the kernel, the core of the operating system. By enforcing protection at this foundational layer, rather than merely detecting and stopping attacks, it prevents them from executing in the first place - all in real time. This marks a major milestone as physical and digital systems converge, positioning Photon as a new reference architecture for securing physical AI, agent AI and cloud and hybrid infrastructure. Gianni Cuozzo, Founder and CEO of Exein, said: "In a future where the world is infinitely connected with humanoid robots walking among Aithority, local LLMs powering intelligent edges, autonomous drones reshaping mobility, and billions of new autonomous systems bridging the digital and physical realms, preemptive runtime security represents the new generation of protection, built into the very DNA of every device from the ground up. "Exein was born to make this vision a reality: transforming every connected device into a fortress of security, forging the largest decentralised immune system for digital life - cross-vendor, cross-platform, and cross-system. We stand as the first line of defence between the boundless digital world and the physical one we live in, empowering manufacturers to build inherently safe innovations and already safeguarding over 2 billion devices worldwide."