Top Senior Level Jobs in Portland, ME

The Senior Full Stack Developer will develop web applications, facilitate Scrum ceremonies, guide agile practices, and drive project goals.

The Tax Manager will lead the tax function at a growing investment advisory firm, managing client relationships and developing tax services from the ground up.

Own post-sale customer journey for strategic enterprise accounts, driving onboarding, adoption, value realization, renewals, and expansion. Act as technical advisor on Cortex, SDLC, DevOps, and cloud-native platforms, lead executive business reviews, identify risks/opportunities, influence product roadmap, and contribute to scaling Customer Success. Up to 30% travel.

Design and operate large-scale GPU infrastructure for distributed AI training, ensuring reliability, performance, and efficient customer partnerships.

Provide frontline and advanced application support for radiology imaging workflows: incident triage, user provisioning, configuration changes, DICOM troubleshooting, monitoring interfaces, coordinating with networks/storage/vendors, maintaining SOPs and knowledge base, delivering end‑user training and on‑call doctor support to meet SLAs.

Provide subject-matter expertise in complex tax planning and strategy, develop and validate tax content for AI, create case studies and scenarios, document methodologies, monitor law changes, and advise product and engineering teams.

Lead methodology and modeling for causal inference, experimentation, and predictive analytics. Design and evaluate experiments, build production-ready models and evaluation pipelines, collaborate with Product/Economics/Research/Engineering, communicate findings to varied audiences, and document institutionalized analytical practices.

Lead web strategy and optimization across Employ, Lever, JazzHR, and Jobvite. Drive CRO, SEO/GEO/AEO, content/messaging, information architecture, experimentation, analytics, and development oversight. Manage teams and agencies to turn the web ecosystem into a measurable growth engine that drives engagement, conversion, and pipeline.

Lead impact communications to translate program results into compelling narratives for funders, media, Board, and public audiences. Manage executive communications, funder newsletters and webinars, media pitching, press tracking, and content for digital channels. Collaborate across teams to synthesize data and craft tailored messages that amplify GoodPower's wins and attract resources.

Lead and own corporate tax and compliance for U.S. and international operations. Manage federal, state, local, and indirect tax filings; coordinate external advisors; support Mexico expansion and future UK/EU entry; implement policies, controls, and process improvements; optimize Taxware and NetSuite integrations; and act as primary internal tax partner to cross-functional teams and senior leadership.