Top Tech Jobs & Startup Jobs in Jacksonville, FL

Design, build, and maintain scalable data pipelines, data lakes, and databases; ingest and map customer financial datasets; monitor pipeline reliability; translate business requirements into data flows and analytical insights to ensure high-quality, usable data.

Design mobile user experiences for iOS and Android: create information architecture, user flows, wireframes, prototypes and high-fidelity UI. Run stakeholder workshops and usability testing, produce design specs, component libraries, and support developers to deliver accessible, consistent mobile products aligned with client brand.

Design, simulate, verify, and validate analog, digital, power, mixed-signal, or RF circuits for an AI training project. Translate requirements into schematics, netlists, HDL, models, and simulation inputs; automate workflows with Python; analyze electrical results; perform corner and Monte Carlo analyses; compare simulations with physical measurements; troubleshoot hardware and review AI-generated circuit solutions. Requires real fabricated or shipped circuit-design experience and command-line or programmatic EDA expertise.

Create realistic business scenarios and complex Excel, PowerPoint, and Word deliverables; interact with language models; evaluate AI-generated responses; and document detailed, actionable feedback. The role applies Fortune 500 business experience across financial modeling, executive presentations, strategic proposals, reporting, and data analysis while collaborating asynchronously with project coordinators.

Remote contract CAD expert role supporting AI training for manufacturing workflows. Responsibilities include reviewing and refining AI-generated manufacturing content, providing CAD, CAM, and CNC process feedback, and developing evaluation rubrics. Candidates need hands-on CAD experience, strong communication skills, and coding-agent experience with Python. Work is flexible at 15–20 hours per week, with output-based compensation and immediate availability preferred.

The Account Executive, Wellness will grow Catalent's Consumer Healthcare business by managing client relationships, developing account strategies, and leading sales opportunities in the nutritional dietary supplement industry.

Manage partnerships and sales operations by owning CRM data and reporting, coordinating partner onboarding and activations, building SOPs and automations, tracking partner performance, and supporting sales outreach and pipeline management to ensure flawless execution and scalable processes.

Create and execute Instagram and LinkedIn content for trip-specific and between-trip engagement, including reels, posts, stories, annual content calendar, platform management, and monthly analytics reporting to support a luxury travel brand.

Lead end-to-end employer payroll onboarding, including account setup, tax configuration, deductions, benefits, garnishments, data migration, audits, and first payrolls. Train software partners to onboard employers independently by creating programs, materials, exercises, and job aids. Manage onboarding pipelines, resolve payroll issues, improve playbooks, identify recurring errors, and collaborate with product and engineering to automate processes.

Resolve complex payroll corrections, amended returns, tax notices, and multi-jurisdiction payroll issues for employer customers. Diagnose root causes, coordinate with tax operations, product, and engineering, explain resolutions to partners, and help document and automate recurring processes. The role requires payroll-provider experience across prior-quarter and prior-year amendments, state and local taxes, agency notices, and Canadian equivalents.

Provide expert US payroll support to partners and customers, resolve complex payroll and tax issues, educate support teams, lead training, and build scalable knowledge and customer experience processes. The role collaborates with product and engineering on platform improvements, audits payroll operations, analyzes data, and serves as a primary partner contact. It requires strong payroll expertise, customer communication, spreadsheet skills, ticketing-system experience, and comfort working autonomously in a fast-paced startup.

Lead strategic development for creative briefs and campaigns: uncover audience insights, translate business objectives into briefs, support concept development, assist pitches and new-business strategy, collaborate with creatives and clients, and conduct research to convert data into actionable insights.

Drive new revenue by developing business development strategy, prospecting and building relationships with Fortune 1000 clients, pitching and closing six- to seven-figure deals, collaborating with creative teams on RFPs and pitches, tracking performance against targets, and identifying market opportunities for content marketing growth.

Identify and qualify US market opportunities, build and maintain partner relationships, generate leads with publishers/distributors/advertisers, represent the company at events, create presentations and proposals, collaborate with internal teams, track partnership performance, support negotiations, and report pipeline and competitive analysis to leadership.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Volunteer product specialist to drive product lifecycle: requirements gathering, market and competitor research, roadmap and roadmap execution, prototyping requirements for engineering, cross-functional planning, timelines, go-to-market strategy and product launch. Initial assignment includes launching a fundraising campaign. Remote, part-time (minimum 4 hours/week) with weekly standups.

Volunteer research analyst to conduct market and competitor analysis, build market-fit reports and pitch deck content, support R&D research, develop research tools and coordinate research activities. Requires weekly standups and a 4+ hour weekly commitment.

Develop full-stack enterprise applications and microservices using Java, Spring Boot, REST/OpenAPI, relational databases, JMS, and Kafka. Build automated tests, Docker containers, Kubernetes deployments, CI/CD pipelines, API portals, and React or Angular interfaces. Troubleshoot application, database, messaging, and cloud-native infrastructure issues while applying secure coding, API governance, observability, and event-driven architecture practices. The role supports federal civilian programs remotely during East Coast hours, requires U.S. citizenship, quarterly travel, and either Public Trust eligibility or an active Secret clearance depending on program.