upwork

Contract: AI Productivity Solutions Engineer

Lead Platform Engineer

Senior/Lead Machine Learning Operations Engineer

Commercial Counsel

Principal Software Engineer - AI Native Experiences

Lead Product Designer (P4)

Chief Accounting Officer

Senior Director of Engineering, Developer Enablement

Upwork is seeking an AI Productivity Solutions Engineer to develop AI-powered applications and services that enhance team efficiency. This role involves designing and building server-side services, integrations, and user-facing applications that embed AI capabilities into business tools and workflows. The engineer will also architect data pipelines, apply modern security practices, and experiment with emerging AI technologies to optimize productivity in a high-growth, global environment. This position requires deep technical expertise in software development, AI innovation, and business process optimization.

Chief of Staff to the President & CEO

Upwork ($UPWK) is the world’s work marketplace. We serve everyone from one-person startups to over 30% of the Fortune 100 with a powerful, trust-driven platform that enables companies and talent to work together in new ways that unlock their potential.Last year, more than $3.8 billion of work was done through Upwork by skilled professionals who are gaining more control by finding work they are passionate about and innovating their careers.This is an engagement through Upwork’s Hybrid Workforce Solutions (HWS) Team. Our Hybrid Workforce Solutions Team is a global group of professionals that support Upwork’s business. Our HWS team members are located all over the world.---In this role, you’ll shape the future of work by developing AI-powered applications and services that help our teams work smarter, faster, and more effectively. We believe AI should be a force multiplier for human talent, and we’re looking for an engineer who thrives at the intersection of software development, AI innovation, and business process optimization.You will design and build server-side services, integrations, and user-facing applications that embed AI capabilities into the tools and workflows that power our business. You’ll also architect data pipelines, apply modern security practices, and experiment with emerging AI technologies to unlock new possibilities.This role combines deep technical expertise, fluency in AI technologies (MCP, LLM APIs, prompt engineering), and a keen understanding of the tools and processes that drive productivity in a high-growth, global environment.Work/Project Scope:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Design and develop AI-powered tools and applications to improve productivity across Upwork.</li><li class="leading-relaxed">Build and maintain scalable, secure, and reliable server-side services and APIs.</li><li class="leading-relaxed">Integrate AI technologies, LLMs, MCP, RAG, and other advanced architectures into workflows and business systems.</li><li class="leading-relaxed">Develop and maintain integrations with existing SaaS solutions via their APIs, leveraging integration platforms or custom connectors.</li><li class="leading-relaxed">Collaborate with stakeholders to identify pain points, map business processes, and design AI-driven solutions.</li><li class="leading-relaxed">Develop end-user applications that make AI capabilities intuitive and accessible to non-technical audiences.</li><li class="leading-relaxed">Create and manage ETL processes, pipelines, and data models for AI and analytics workloads.</li><li class="leading-relaxed">Prototype and experiment with emerging AI tools to evaluate potential business impact.</li><li class="leading-relaxed">Apply modern authentication and security practices, including OAuth 2.0, OpenID Connect, and SAML.</li><li class="leading-relaxed">Ensure operational excellence in the deployment, monitoring, and scaling of AI solutions.</li></ul>Must Haves (Required Skills):<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Proven track record building production-grade server-side applications (Node.js, Python, or similar).</li><li class="leading-relaxed">Deep understanding of AI concepts, including LLM APIs, prompt engineering, MCP, and related frameworks.</li><li class="leading-relaxed">Experience designing integrations between AI solutions and enterprise tools (e.g., Google Workspace, Jira, Slack, Notion) via APIs or middleware platforms.</li><li class="leading-relaxed">Familiarity with SaaS ecosystem APIs and integration solutions.</li><li class="leading-relaxed">Understanding of modern authentication and security protocols, including OAuth 2.0, OpenID Connect, and SAML.</li><li class="leading-relaxed">Solid grounding in cloud infrastructure (AWS, GCP, or Azure) and DevOps practices.</li><li class="leading-relaxed">Experience with ETL, data transformation, and working with large structured/unstructured datasets.</li><li class="leading-relaxed">Strong communication skills to translate technical concepts into business value.</li><li class="leading-relaxed">Ability to work autonomously on complex projects and deliver measurable outcomes.</li></ul>---Upwork is proudly committed to fostering a diverse and inclusive workforce. We never discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical condition), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.Additionally, a criminal background check may be run on a candidate after a conditional offer to perform your services for Upwork is made. Qualified applicants with arrest or conviction records will be considered in accordance with applicable law, including the California Fair Chance Act and local Fair Chance ordinances.To learn more about how Upwork processes and protects your personal information as part of the application process, please review our <a href="http://upwork.com/careers/job-applicant-privacy-notice" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">Global Job Applicant Privacy Notice</a>

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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

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ComeOn Group

Data Scientist

Side

QA Lead - Video Game Tester

Functionality Quality Assurance Test Lead (FQA Lead) - Gaming

hogarth

Account Director/ Senior Account Director (6 months Contract)

Aeries technology

Trainee Developer

Mapbox

Software Development Engineer II, iOS, Navigation SDK

Sprinkler

Director - Product Management

ComeOn Group is seeking a Data Scientist to join their Data Science team. The role involves developing, delivering, and maintaining Data Science and Machine Learning products for various departments. The successful candidate will explore data sources, build and deploy models, evaluate performance, and communicate results to stakeholders. This position requires a professional and organized individual with a strong background in data science and a focus on business impact.

People & Talent Partner

Customer Experience Hero

Legal Counsel

Payment Solutions Manager

Finland CRM Executive

Data Engineer

Denmark CRM Manager

German Speaking Customer Experience Agent

Responsible Gaming Analyst - Scandinavian, Nordic or Dutch Speaking

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Description</h2>ComeOn Group in short:Founded in 2008, ComeOn Group is a leading global player in the rapidly growing iGaming market. Having launched its first online brand in 2010, ComeOn Group is running a wide range of exciting brands across multiple markets. Operating more than 16 brands on its proprietary platform providing a secure, innovative and entertainment-led player experience across casino and sports betting. ComeOn Group is an international employer within the iGaming industry and has over 500 talented employees across 7 main locations.The role:Forming part of the Data Science team, the successful candidate will assist in developing, delivering, and maintaining the Data Science and Machine Learning products used by various departments within the organisation as well as actively participate in exploratory efforts within the DS/ML/AI space with clear business cases.Reporting to the Senior Data Scientist, this is a position that requires a highly professional and organised individual.Responsibilities:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Explore various sources of data to determine the key inputs for modelling desired outputs</li><li class="leading-relaxed">Build, train, and deploy statistical and ML models</li><li class="leading-relaxed">Evaluate models, both offline and online, as well as monitoring model performance</li><li class="leading-relaxed">Visualise and communicate with tech/non-tech stakeholders about model operation and results</li><li class="leading-relaxed">Identify, explore, and justify opportunities with clear business cases where DS/ML/AI can be leveraged with good ROI.</li></ul>About you:<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">BSc in Computer Science or other quantitative field with at least 2 years of Data Science experience or at least 2 years of experience in a field with a strong Data Science overlap (AI, FinTech), especially if in iGaming</li><li class="leading-relaxed">MSc or higher in Data Science or other field with a strong Data Science overlap (AI, FinTech)</li><li class="leading-relaxed">Comfortable with SQL</li><li class="leading-relaxed">Comfortable with Python, particularly with packages related to statistical modelling, machine learning, and deep learning</li><li class="leading-relaxed">Familiar with best practices for the modelling of tabular data</li><li class="leading-relaxed">Familiar with the circular lifecycle of models in production</li><li class="leading-relaxed">Interested in Agentic AI</li><li class="leading-relaxed">Comfortable with cloud computing platforms, preferably GCP</li><li class="leading-relaxed">Understand business financials, ROI & profitability</li><li class="leading-relaxed">Able to present complex information in simple terms with clear recommendations based on data insight</li><li class="leading-relaxed">Able to work in a fast-paced environment, adapt easily to changing situations and demonstrate flexibility in juggling priorities</li></ul>At ComeOn, we have adapted a Hybrid Work model which means that we offer our employees an option to pick their workstation for the day. Want to work from the office a few days a week and some days from home? That’s totally fine with us! ComeOn is known for their inviting and vibrant offices that offer creative areas for collaboration and desk set-ups designed for a Hybrid Work model. When you visit one of our offices you will always be welcomed by a friendly face that will take good care of you. It’s our curiosity that drives our innovative business forward and we work hard in a run together spirit and we always make sure to top it up by having fun! You will not regret picking ComeOn as your next place of work.We value diversity, and we take concrete action to ensure fairness in our recruitment process. We are committed to assess candidates on their merit without discriminating against any applicant for whatever reason that is protected by law. We truly value you, as you are. Want to know more about us just visit our website or any of our social media channels to take a deep dive into our culture!Want to know more about us just visit our website <a href="http://www.comeon-group.com/" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">www.comeon-group.com</a> or any of our social media channels to take a deep dive into our culture!<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Benefits</h2>So what can you expect from ComeOn as a place of work?<ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">A competitive remuneration package inc. a company bonus scheme! 💰</li><li class="leading-relaxed">Fantastic quarterly team events and weekly company events 😎</li><li class="leading-relaxed">A one-time Hybrid Allowance of €250 to help you set up a comfortable workstation at home (we’re truly Hybrid!)</li><li class="leading-relaxed">On top of our Hybrid work arrangement, up to 40 days a year to work fully remote from anywhere</li><li class="leading-relaxed">A comprehensive, International private Health Insurance.</li><li class="leading-relaxed">And more benefits offered based on office location 🥳</li></ul>

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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

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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.