• Building and improving AI systems that process and analyse real-time data streams • Developing and maintaining machine learning models that work alongside our crowdsourcing platform • Providing intelligent data analysis and insights to clients • Working with real-time data processing and building scalable ML solutions • Implementing efficient data storage and retrieval systems

• Analyze business requirements to design and implement new features to systems • Provide guidance and recommendations on technical direction, driving innovation to take advantage of advances in technology • Develop in .NET C#, JavaScript, and SQL Server • Collaborate on user story creation, coding, unit test development, code reviews, troubleshooting, documentation, and deployment to ensure the delivery of timely, high-quality solutions

Req ID: 133844 Remote Position: Yes Region: Americas Country: USA State/Province: New Hampshire City: Remote Employee US 4 Month Opportunity Celestica is a global electronics manufacturing services company, headquartered in Toronto, Canada, with over 28,000 employees across 40 sites in North America, Europe, and Asia. Working with the world’s leading technology companies across a broad range of industries, Celestica delivers a full suite of services – from design and engineering, to manufacturing and supply chain management – to help its customers develop and manufacture products that are transforming the global economy. These products span key areas such as data centre technology, green energy, healthtech, and autonomous vehicles. Working at Celestica is more than a job. It’s about being part of something bigger and shaping the future with your work. You’ll take on exciting and challenging projects, get hands-on experience, collaborate with a global team, and learn from some of the greatest minds in the industry. And just as we aspire to imagine, develop and deliver a better future with our customers, we’re just as committed to delivering the best employee experience. Benefits for the program Include: - Experience working for one of the largest Canadian global technology companies - The opportunity to add Celestica to your resume to attract future work opportunities - Participate with other students & join intern activities including celebration events and networking What’s in it for you? - Opportunity: Job experience at a large Canadian-based global company - Collaboration: Will work as part of global teams, enabled by collaborative technology Sustainability: We uphold strong ethics, reduce our impact on the environment and empower employees to give back to the community. We encourage and support diversity & inclusion. - Development opportunities: on-the-job training, self-serve development courses, mentorship - Networking: Strategically build your professional network to advance the development of your goals and understand your career path following the completion of your educational studies. Detailed Description The Summer Student will be involved with modernizing site operations. This role focuses on transitioning our proprietary AMS/ITAD suite from legacy systems to a scalable, global-ready architecture. You will work alongside the senior team to eliminate technical debt, improve production turnaround, and scale our physical hardware infrastructure. Areas of Focus: - Legacy Modernization: Assist in application development rewrite, migrating codebase into a modern framework for enhanced analytics. - Technical Debt & Documentation: Identify and replace "band-aid" fixes with production-grade code; author technical manuals and user guides. - Systems Maintenance: Support application development through bug fixes and feature requests to accelerate production. - Operational Support: Manage Manufacturing Execution System report maintenance, routing configurations, and container logic. - Hardware Scaling: Provide manual support for the Server Rack Project, including assembly and testing Preferred Skills: - Experience with one or more of the following programming languages: C, C#, C++, Java or Python. SQL would also be considered an asset. - Problem solving skills and willingness to learn and adapt to new/changing opportunities. - Experience with Linux would be an asset. - Experience with AI/ML models. The successful candidate is preferred to be located in: - Rochester/Portsmouth, New Hampshire - Boston, Massachusetts - Atlanta, Georgia - Dallas/Fort Worth, Texas Physical Demands - Duties of this position are performed in a normal office with exposure to manufacturing environments. - Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data - Repetitive manual movements are frequently required (e.g. data entry, using a computer mouse, using a calculator, etc). - Basic manufacturing system knowledge. Salary The range described in this posting is an estimate by the Company, and may change based on several factors, including but not limited to a change in the duties covered by the job posting, or the credentials, experience or geographic jurisdiction of the successful candidate. The hourly wage is determined by the years of study completed and is non-negotiable as per company policy. Hourly Wage: $24.00-$27.00 USD/hr Notes Area: Engineering Start Date: May 2026 Location: Multiple Locations Available (Texas, Georgia, Massachusetts, or New Hampshire) Vacancies: 1 Experience: No formal experience is required Celestica is an equal opportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on any protected status (including race, religion, national origin, gender, sexual orientation, age, marital status, veteran or disability status or other characteristics protected by law). At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Special arrangements can be made for candidates who need it throughout the hiring process. Please indicate your needs and we will work with you to meet them. COMPANY OVERVIEW: Celestica (NYSE, TSX: CLS) enables the world’s best brands. Through our recognized customer-centric approach, we partner with leading companies in Aerospace and Defense, Communications, Enterprise, HealthTech, Industrial, Capital Equipment and Energy to deliver solutions for their most complex challenges. As a leader in design, manufacturing, hardware platform and supply chain solutions, Celestica brings global expertise and insight at every stage of product development – from drawing board to full-scale production and after-market services for products from advanced medical devices, to highly engineered aviation systems, to next-generation hardware platform solutions for the Cloud. Headquartered in Toronto, with talented teams spanning 40+ locations in 13 countries across the Americas, Europe and Asia, we imagine, develop and deliver a better future with our customers. Celestica would like to thank all applicants, however, only qualified applicants will be contacted. Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.

Location: USA Remote Status: Fully Remote (#LI-Remote) LivePerson (NASDAQ: LPSN) is a leader in trusted enterprise conversational AI and digital transformation. The world's leading brands use our award-winning Conversational Cloud platform to connect with millions of consumers. We power nearly a billion conversational interactions every month, providing uniquely rich data analytics and safety tools to unlock the power of conversational AI for better business outcomes. Fast Company named LivePerson the #1 Most Innovative AI Company in the world. Position Overview In this role as a Software Development Engineer II, you will be a highly contributing member of the team building Syntrix Evals — the AI evaluation framework behind LivePerson's synthetic customer simulation platform. Syntrix Evals enables enterprise teams to automatically score and analyze AI-driven conversations at scale, providing deep insight into agent performance, simulation outcomes, and LLM quality. You will work alongside the broader Syntrix engineering team to design and build the event-driven microservices, messaging infrastructure, and evaluation pipelines that power this system. You must be a collaborative team player, motivated by the challenge of building reliable, high-throughput data pipelines, and curious about the intersection of distributed systems and applied AI. You Will: Key Responsibilities & Impact - Design, build, and maintain Java-based services that process simulation lifecycle events and conversation data through event-driven pipelines - Build and extend the transport-agnostic messaging library supporting RabbitMQ, Apache Kafka, and Google Cloud Pub/Sub - Contribute to the LLM evaluation pipeline — resolving Freemarker-templated metric prompts, calling the LLM Gateway, and storing scored results in Couchbase - Develop and extend the Evals REST API for querying simulation results, conversation assessments, and agent performance metrics - Work on routing and fan-out logic in the simulation event router, bridging Kafka streams and RabbitMQ queues in a hybrid architecture - Implement reliable message processing patterns: retry with exponential backoff, Dead Letter Queues, and idempotent operations for correctness across multi-pod deployments - Maintain and evolve the custom metrics model, including classification criteria, success criteria, and multi-select evaluation support - Work with Couchbase for document persistence, implementing optimistic concurrency patterns (CAS locking) for consistency under concurrent processing - Write high-quality, well-tested code with a focus on behavior-driven unit and integration testing - Participate in on-call rotation and contribute to production observability with structured logging, Prometheus metrics, and OpenTelemetry tracing You Have: Required Skills & Qualifications - 4+ years of software development experience - Strong proficiency in Java, including Java 21 features, and experience with the Spring Boot ecosystem (Spring Data, Spring AMQP, Spring Actuator) - Experience building event-driven services with message brokers such as RabbitMQ, Apache Kafka, or Google Pub/Sub - Familiarity with Couchbase, MongoDB, or other document/NoSQL databases - Experience with Docker and Kubernetes for containerized, cloud-native deployments - Solid understanding of distributed systems concepts: optimistic concurrency, idempotency, retry strategies, and stateless service design - Experience with Git and modern CI/CD workflows (GitLab CI preferred) - Solid understanding of data structures, algorithm design, and object-oriented principles - Analytical and problem-solving skills with a customer-centric mindset - Commitment to automated testing strategies across all developed code Good to have: - Experience with Apache Avro or other binary serialization formats (Protobuf, Thrift) - Familiarity with LLM integration or AI evaluation frameworks - Experience with template engines such as Freemarker or similar - Familiarity with Google Cloud Platform (GCP) and GKE - Experience with Prometheus/Grafana for metrics and observability - Exposure to multi-tenancy patterns in SaaS or enterprise platforms Will be expected to use: - Programming Language: Java 21 - Frameworks: Spring Boot 3, Spring AMQP, Spring Data Couchbase - Messaging: RabbitMQ (AMQP + Streams), Apache Kafka, Google Cloud Pub/Sub - Serialization: Apache Avro, Jackson JSON - Database: Couchbase - Build Tools: Maven and Gradle - Deployment: Docker, Kubernetes (GKE) - Observability: SLF4J/Logback (logstash-logback-encoder), Prometheus, OpenTelemetry - Version Control: GitLab - Collaboration: Agile/Scrum, Jira, Confluence The salary range for this role will be between $120,000 to $135,000 USD. Final compensation will be determined by a variety of factors, including, but not limited to your location, skills, experience, education, and/or professional certifications. Our Benefits & Perks We are committed to supporting the complete well-being, health, financial security, family, and professional growth of our permanent employees. 🏥 Health & Wellbeing - Medical, Dental, and Vision Insurance: Comprehensive plans to support your health needs. Wellness Resources: Access to wellbeing resources and programs including our EAP plan.Health & Mental Support: Access a confidential and free Employee Assistance Program (EAP), providing professional counseling. 💰 Financial Security & Growth - 401(k) Retirement Plan: To help you plan for your financial future by offering both the plan and a 4% employer match (100% match on the first 3% contribution and 50% match on the next 2% contribution) HSA & FSA Plans: To help you plan for health related expenses on a pre-tax basis - Employee Stock Purchase Program (ESPP): Participate and receive a discount on company shares, allowing you to directly share in LivePerson's success and growth. - Additional Insurances: Basic and supplemental life insurance, Accidental Death & Dismemberment (AD&D) insurance, long-term and short-term disability insurance coverage, legal plan, identity theft protection plan, and critical illness supplemental insurance. - Development: Access to internal professional development resources. 👨‍👩‍👧‍👦 Time Away & Family Support - Flexible Paid Time Off (PTO): Discretionary PTO package for flexible days off with manager approval. - Paid Public Holidays. - Generous Parental Leave Policy: Including maternity/paternity support and fertility services. 💻 Workplace Flexibility - Remote-First Model: This role is fully remote (#LI-Remote), offering excellent work-life balance and flexibility. We also maintain dedicated WeWork space for those who wish to meet colleagues or collaborate in person. Why You’ll Love Working Here As leaders in enterprise customer conversations, we celebrate diversity, empowering our team to forge impactful conversations globally. LivePerson is a place where uniqueness is embraced, growth is constant, and everyone is empowered to create their own success. We're very proud to have earned recognition from Fast Company, Newsweek, and BuiltIn for being a top innovative, beloved, and remote-friendly workplace, and recognized by Gartner as a leader in the Conversational AI space. Belonging at LivePerson: Equal Opportunity Employer We are committed to fostering an inclusive workplace and are proud to be an Equal Opportunity Employer (EOE). We believe that diverse perspectives drive innovation. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other characteristics protected by US Federal, State, or Local law. Accessibility Commitment LivePerson is dedicated to the accessibility needs of our applicants and employees. We provide reasonable accommodations to job applicants with disabilities. Applicants who require a reasonable accommodation for any part of the application or hiring process should inform their recruiting contact upon initial connection. Important Candidate Notice The talent acquisition team at LivePerson has recently been notified of a phishing scam targeting candidates applying for our open roles. Scammers have been posing as hiring managers and recruiters in an effort to access candidates' personal and financial information. The phishing scam is not isolated to only LivePerson and has been documented in news articles and media outlets. Please note that any communication from our hiring teams at LivePerson regarding a job opportunity will only be made by a LivePerson employee with an @liveperson.com email address. LivePerson does not ask for personal or financial information as part of our interview process, including but not limited to your social security number, online account passwords, credit card numbers, passport information, and other related banking information. If you have any questions and or concerns, please feel free to contact recruiting-lp@liveperson.com