Top Tech Jobs & Startup Jobs

Build and evolve Polar’s finance and monetization platform for AI products. Own product development end-to-end across frontend and backend systems, create intuitive developer experiences, ship reliable software quickly, engage with merchants, and translate feedback into product improvements. The role requires strong technical foundations, product judgment, design sensibility, autonomy, engineering quality, and comfort working across the stack. Payments, billing, developer tools, open-source contributions, and side projects are valued.

Work directly with the CEO and Marketing Lead to shape company narratives, manage LinkedIn content, grow engagement among finance leaders, build an expert network, support events, and create AI-powered workflows that repurpose content efficiently. The role also involves cross-functional growth projects, sales enablement, and adapting to evolving company priorities.

Manage end-to-end HR operations, including employee lifecycle activities, onboarding, engagement, grievances, benefits, HRMS administration, compliance, performance management, and policy implementation. Serve as the primary HR contact, support training initiatives, prepare leadership reports using Excel and PowerPoint, and drive process improvements through technology and automation.

Develop and integrate construction equipment in Unity for a BIM visualization application. Prepare FBX models and prefab hierarchies for procedural animation and inverse kinematics, implement equipment behaviors and reusable C# action sequences, and convert manufacturer data into accurate runtime structures. Extend an existing codebase, validate equipment motion, and test implementations for reliability. Preferred experience includes cranes, heavy equipment, Unity Animation Rigging, version control, 3D modeling, and construction or simulation software.

Create and refine product concepts through sketching, CAD, models, and prototypes; iterate form, CMF, usability and brand expression; collaborate with engineering, manufacturing, and brand teams; produce CAD models, renderings, and manufacturing documentation; support prototyping and testing; manage project timelines and present design work while learning under senior designer mentorship.

Supports recruitment, onboarding, HR policies, benefits administration, compliance, employee records, performance processes, and workplace operations. Partners with the COO on people decisions, process improvement, operational planning, events, travel, and cross-functional projects. The role focuses on building consistent, efficient people systems for a growing international SaaS company across the UK, Ireland, and Europe.

Manage a large portfolio of Chinese SMB customers through scalable onboarding, activation, product adoption, renewals, and upsells. Create customer education content, provide targeted account guidance, manage commercial communications, and identify expansion opportunities. Analyze customer feedback, maintain CRM records, collaborate with internal teams, and enable channel partners. The role requires strong Mandarin and English communication, SaaS or technology experience, and familiarity with customer success tools.

Develop and deploy production-grade generative AI systems, including fine-tuned LLMs, agentic workflows, function calling, and RAG pipelines. Build scalable data and MLOps infrastructure, manage vector databases, containerize applications, and monitor model performance, security, privacy, bias, and drift. Collaborate with data, product, and engineering teams to translate business requirements into AI solutions, including document and image analysis applications.

Leads Academian’s U.S. K-12 content solutions portfolio, including strategy, solution design, curriculum and assessment programs, publishing workflows, accessibility, AI-enabled content operations, and delivery models. Advises executive clients, supports proposals and account growth, oversees program economics and quality, and coaches content solution leaders while coordinating cross-functional and global teams.

Lead the research, development, testing, deployment, and maintenance of complex machine learning and generative AI models. Design MLOps pipelines for CI/CD, monitoring, retraining, and production operations. Solve complex technical problems, evaluate emerging AI technologies, deliver high-risk prototypes, integrate models with existing systems, and ensure model safety, security, performance, and reliability. Mentor junior team members and provide specialist generative AI expertise for public sector and national security projects.