GT HQ

Senior Data Scientist / AI Consultant

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This Senior Data Scientist / AI Consultant role at Mercer involves transforming fragmented data into actionable insights and delivering production-ready, LLM-powered solutions to drive Mercer’s AI strategy. The ideal candidate will have proven experience in productionizing ML models and working with Large Language Models. You will collaborate with various teams on AI initiatives, shaping data strategies, and owning problems end-to-end, balancing multiple priorities with technical excellence and strategic insight, aligning with Mercer’s 2026 AI strategy.

React Native Engineer

<p class="my-4 text-gray-700 leading-relaxed">GT was founded in 2019 by a former Apple, Nest, and Google executive. GT’s mission is to connect the world’s best talent with product careers offered by high-growth companies in the UK, USA, Canada, Germany, and the Netherlands.</p><p class="my-4 text-gray-700 leading-relaxed">On behalf of Mercer, GT is seeking a Senior Data Scientist / AI Consultant to partner with multiple teams across the client's organization — transforming fragmented data into actionable insights, and delivering production-ready, LLM-powered solutions that drive Mercer’s AI strategy.</p><p class="my-4 text-gray-700 leading-relaxed"><strong>Contract Duration:</strong> 6 months (with possible extension until the end of 2026)</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Client</h3><p class="my-4 text-gray-700 leading-relaxed"><a href="https://www.mercer.com/en-us/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200"><strong>Mercer</strong></a> is a global consulting leader in advancing health, wealth, and career outcomes for organizations and individuals. Headquartered in New York City, Mercer operates in over 130 countries with more than 25,000 employees and 180+ office locations worldwide. As part of Marsh McLennan, Mercer provides data-driven insights and tailored solutions in areas such as HR transformation, compensation and benefits, workforce analytics, and employee experience. The company fosters a collaborative, inclusive, and purpose-driven culture that values innovation, integrity, and impact.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">About the Role:</h3><p class="my-4 text-gray-700 leading-relaxed">We are looking for a <strong>Senior Data Scientist / AI Consultant</strong> with proven experience in <strong>productionizing ML models</strong> and working with <strong>Large Language Models (LLMs)</strong>.</p><p class="my-4 text-gray-700 leading-relaxed">In this role, you’ll work on a variety of AI initiatives, collaborating with different teams to solve complex problems, shape data strategies, and deliver production-ready solutions. You’ll have the opportunity to influence multiple parts of the business while working with autonomy and the support of experienced stakeholders, all aligned to <strong>Mercer’s 2026 AI strategy.</strong></p><p class="my-4 text-gray-700 leading-relaxed">If you thrive in environments where you can <strong>own problems end-to-end</strong>, balance multiple priorities, and combine technical excellence with strategic insight, this role is for you.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Responsibilities:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>End-to-End Model Deployment:</strong> Design, productionize, and validate machine learning and LLM-based solutions for real-world applications.</li><li class="leading-relaxed"><strong>AI Infrastructure Planning:</strong> Help shape the foundations for Mercer’s AI capabilities, ensuring scalability and maintainability.</li><li class="leading-relaxed"><strong>Requirement Analysis & Prioritization:</strong> Gather, assess, and prioritize requirements from multiple stakeholders and projects.</li><li class="leading-relaxed"><strong>Data Structuring & Guidance:</strong> Identify fragmented data sources and define optimal structures for analysis and ML use.</li><li class="leading-relaxed"><strong>Strategic Data Insights:</strong> Provide actionable recommendations that connect technical solutions to business objectives.</li><li class="leading-relaxed"><strong>Cross-Project Collaboration:</strong> Engage with multiple teams to deliver AI solutions that address diverse business needs.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Essential knowledge, skills & experience:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">5+ years in a <strong>data science or ML engineering</strong> role.</li><li class="leading-relaxed">Proven track record of <strong>productionizing</strong> machine learning models, including validation, monitoring, and maintenance.</li><li class="leading-relaxed">Strong <strong>Python</strong> skills for data analysis, ML pipelines, and LLM integration.</li><li class="leading-relaxed">Proficiency in <strong>SQL</strong> for querying and manipulating large datasets.</li><li class="leading-relaxed">Experience with LLM frameworks such as <strong>OpenAI</strong> or <strong>Hugging Face</strong>.</li><li class="leading-relaxed">Solid understanding of <strong>data modeling, exploratory data analysis, and statistical testing</strong>.</li><li class="leading-relaxed">Strong <strong>critical thinking</strong> skills for navigating complex, multi-stakeholder environments.</li><li class="leading-relaxed">Ability to work independently and handle multiple projects in parallel.</li><li class="leading-relaxed">Excellent communication skills to bridge technical and non-technical audiences.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Nice-to-have:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Experience in the HR, people management, or compensation domains.</li><li class="leading-relaxed">Knowledge of <strong>MLOps best practices</strong> for deployment, CI/CD, and model monitoring.</li><li class="leading-relaxed">Experience with data visualization tools (e.g., Tableau, Power BI).</li><li class="leading-relaxed">Background in product management or product strategy.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Interview Process</h3><p class="my-4 text-gray-700 leading-relaxed">1.  Interview with GT Recruiter</p><p class="my-4 text-gray-700 leading-relaxed">2.  Technical Interview</p><p class="my-4 text-gray-700 leading-relaxed">3.  Final Interview</p>

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<p>- This assessment gives us an idea of your C++ skills<br>- Companies that evaluate this skillset in interviews: <strong>Rockstar Games, Ubisoft, Mayhem Studios, etc.</strong><br>- 10 Multiple Choice questions<br>- Average time to complete: <strong>7 to 10 minutes</strong></p>

<p>Let's assess your Data Structures! 📋<br>&nbsp;- This assessment gives us an idea of your problem solving skills using DSA<br>- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.<br>- 10 Multiple Choice questions<br>- Average time to complete: 7 to 10 minutes</p>

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Instawork is seeking a Head of Strategic Communications to shape and amplify its external narrative, focusing on how AI, technology, and its community are transforming hourly work. This leadership role involves thought leadership, strategic media relations, and AI-powered storytelling to position Instawork as an authority on flexible work and labor economics. The role requires a hands-on approach, working five days a week in the San Francisco office, and delivering results that advance the company's vision.

At Instawork, we’re driven by our vision to create economic opportunity for local businesses and skilled hourly professionals  in communities around the world. With a growing number of hub cities across the world in the U.S., Canada, India, and beyond, we’re looking for top talent to help rapidly scale our high-tech and high-touch labor marketplace. Our accomplished and dedicated team is passionate about our mission and committed to crafting revolutionary products, all with the backing of our world-class investors, including Benchmark, Spark Capital, Craft Ventures, Greylock Capital, Y Combinator, and more!

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<p class="my-4 text-gray-700 leading-relaxed">Instawork’s vision is to create economic opportunities for local businesses and skilled hourly workers in communities around the world. With an AI-first approach, we’re supercharging the leading online labor marketplace and looking for exceptional talent to help us build the future of hourly work. Backed by world-class investors like Benchmark, Spark Capital, Craft Ventures, Greylock, Y Combinator, and more, we want you to help us continue to scale quickly and make an even greater impact.</p><p class="my-4 text-gray-700 leading-relaxed">This position blends thought leadership, strategic media relations, and both human and AI‑powered storytelling to position as the authority on flexible work, labor economics, and workforce technology. The role requires a hands‑on, ownership mindset: being highly engaged, present with the team in our office five days a week, and focused on delivering results that advance our vision.</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Who You Are:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">A proven leader with a strategic mindset, willing to roll up sleeves to execute.</li><li class="leading-relaxed">Deep experience leveraging AI tools for content creation, media monitoring, and data storytelling.</li><li class="leading-relaxed">6-12+ years in progressive roles in strategic communications, corporate PR, or journalism, ideally with a tech or data-driven focus.</li><li class="leading-relaxed">Proven ability to translate complex AI and workforce trends into clear, impactful stories for press, customers, and policy stakeholders.</li><li class="leading-relaxed">Experience serving as chief spokesperson with strong relationships with tech, business, and labor/economics media outlets (preferred).</li><li class="leading-relaxed">Exceptional writing and editing skills.</li><li class="leading-relaxed">Experience handling crisis and/or complex situations with speed and sound judgment.</li><li class="leading-relaxed">Executive presence and confidence representing the company with media, policy leaders, the board, and investors.</li><li class="leading-relaxed">Ability to work from our San Francisco office five days per week.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">What You'll Do:</h3><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Communications Strategy</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Develop and execute comprehensive communications strategy to influence multiple internal and external stakeholders and drive business results.</li><li class="leading-relaxed">Shape narratives around vision, product innovation, and labor economics research.</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Media & AI Thought Leadership</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Build and expand relationships with top-tier media, policy makers, and industry influencers.</li><li class="leading-relaxed">Translate AI advancements and workforce data into engaging, human-centered stories.</li><li class="leading-relaxed">Partner with leadership to secure high-profile speaking opportunities, awards, and recognitions.</li><li class="leading-relaxed">Collaborate with Product and Marketing to highlight AI capabilities in product launches, research, and brand campaigns, positioning as a leader in applying AI to hiring, workforce optimization, robotics, and economic insights.</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Data & AI Storytelling</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Collaborate with marketing to showcase how is driving economic opportunity and revitalizing local economies, positioning these community-level impacts as compelling stories for media coverage and to promote on owned channels.</li><li class="leading-relaxed">Leverage Economic Research program to turn raw data and AI-driven insights (e.g., Pay Signal Index, Flexible Workforce Reports) into compelling communications.</li><li class="leading-relaxed">Package proprietary “data exhaust”, including dashboards, reports, and AI-powered forecasts, into media-ready content.</li><li class="leading-relaxed">Collaborate with internal teams and Partners and Professionals, to mine the real human-centric stories that enables by helping people thrive at work and helping businesses grow more efficiently.</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Internal Communications</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Work closely with CEO, HR and other executives to build programs and communications to ensure employees are informed and engaged.</li></ul><h4 class="text-lg md:text-xl font-semibold mt-6 mb-2 text-gray-800">Issue Management</h4><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Serve as senior advisor to the executive team, overseeing communications planning and execution during sensitive or high-stake situations.</li></ul><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">For CA based applicants:</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">The base salary for this position is $250,000 - $325,000</li><li class="leading-relaxed">This position is eligible for equity in the form of stock options.</li><li class="leading-relaxed">This position is eligible for benefits, including:</li></ul><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">A variety of medical, dental, and vision plans with coverage beginning on the date of hire</li><li class="leading-relaxed">Flexible paid time off</li><li class="leading-relaxed">At least 8 paid company holidays annually</li><li class="leading-relaxed">Phone stipend</li><li class="leading-relaxed">Commuter stipend</li><li class="leading-relaxed">Supplemental pay on qualified leaves</li><li class="leading-relaxed">Employee health savings accounts (HSA) contribution</li><li class="leading-relaxed">Flexible spending plans</li><li class="leading-relaxed">401K plan</li><li class="leading-relaxed">Perkspot - discount program through Lumity</li></ul><p class="my-4 text-gray-700 leading-relaxed">A variety of factors are considered when determining someone’s compensation including a candidate’s professional background, experience, and location. Final offer amounts may vary from the amounts listed above.</p><p class="my-4 text-gray-700 leading-relaxed">#LI-Onsite</p><h3 class="text-xl md:text-2xl font-bold mt-8 mb-3 text-gray-800">Our Values</h3><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Empathy, Trust & Candor</strong></li></ul><p class="my-4 text-gray-700 leading-relaxed">We put ourselves in the shoes of our colleagues and customers and don’t shy away from uncomfortable conversations, instead building trust through honest and direct feedback.</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Bias for Action</strong></li></ul><p class="my-4 text-gray-700 leading-relaxed">We practice high-velocity decision-making, clear-eyed that we often operate with incomplete information. Growing quickly means it’s OK to be wrong, so long as we learn from our mistakes and course correct!</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Always Be Learning</strong></li></ul><p class="my-4 text-gray-700 leading-relaxed">We’re a curious bunch, and with AI transforming our workplace we encourage everyone to learn from each other, compounding our knowledge and experience to help us change an entire industry.</p><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed"><strong>Act Like an Owner</strong></li></ul><p class="my-4 text-gray-700 leading-relaxed">We work long, hard, and smart, building products that delight our users and drive growth. Your ability to impact is limited only by your courage and conviction, not your job description.</p>

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This assessment gives us an idea of your C++ skills- Companies that evaluate this skillset in interviews: Rockstar Games, Ubisoft, Mayhem Studios, etc.- 10 Multiple Choice questions- Average time to complete: 7 to 10 minutes

Let's assess your Data Structures! - This assessment gives us an idea of your problem solving skills using DSA- Companies that evaluate this skillset in interviews: MPL, LILA Games, GSN Games, etc.- 10 Multiple Choice questions

Data Structures and Algorithms

Let's assess your Programming Patterns! ????- This assessment gives us an idea of your code architecture skills- Companies that evaluate this skillset in interviews: Dirtcube, PTW, Playshifu, etc.

Programming Patterns

Let's assess your OOPs skills! ????- This assessment gives us an idea of your fundamental OOPS concepts and Solid principles skills- Companies that evaluate this skillset in interviews: Hitwicket, GSN Games, Tomo Club, etc.

Object Oriented Programming

Let's assess your Unity Skills ????- This assessment gives us an idea of your Unity fundamentals- Companies you can apply for after taking this assessment: Godspeed games, Salvation Games, nCore Games, etc.