Lead/Senior Solution Engineer - Turkey

WHO ARE WE? WA.Technology is a B2B supplier of iGaming solutions with a rapidly growing number of clients and partnerships in emerging markets. We offer a state-of-the-art iGaming platform, turnkey solutions, and standalone products that allow operators to enter or expand into emerging markets quickly and easily. WA Platform is a fully scalable and customizable solution, featuring over 75+ game providers, 15.000+ games, and multi-currency support with 80+ payment methods. WA Technology enables operators to build their own Casino, Sportsbook, Lottery and Fantasy business precisely how they envision it. We have offices across Europe and Latin America, supporting our clients with on-the-ground presence and regional expertise. WHERE AND HOW WE WORK? We currently have teams based in Malta, Lisbon (PT), Sofia (BG), London (UK) and Bucharest (RO). Our hybrid work model encourages regular in-person collaboration while also allowing flexibility to work remotely. LONG STORY SHORT We're looking for a Lead Node.js Engineer (Architecture) - CMS who enjoys solving complex technical challenges and wants to make a real impact on a high-scale platform. This is a hands-on technical leadership role, where you'll combine software architecture with active development. You'll lead the design and evolution of our CMS platform and backend services, make key architectural decisions, and work closely with other engineers to build scalable, reliable, and high-performing solutions. You'll play a central role in shaping our backend ecosystem—improving platform resilience, designing efficient data flows, and ensuring our systems can scale as the business grows. Working across engineering and product teams, you'll help turn technical vision into robust, production-ready solutions while staying close to the code and mentoring those around you. ALL THE RESPONSIBILITIES WE WILL TRUST YOU WITH: * Lead technical and architectural discussions, translating business needs into scalable backend solutions. * Design, build, and maintain secure, high-performing backend systems, with a strong focus on hands-on development. * Drive architectural decisions, coding standards, and engineering best practices to ensure high-quality, maintainable code. * Develop and maintain APIs, backend services, and system integrations that power reliable, scalable applications. * Own code quality through testing, debugging, performance optimisation, and technical reviews. * Collaborate with engineers and cross-functional teams to improve platform resilience, system performance, and delivery. * Enhance CI/CD pipelines, deployment processes, and production support to enable faster, more reliable releases. * Identify and implement architectural improvements that support the long-term evolution of the platform. * Explore and champion modern engineering practices, including AI-assisted development tools, to boost developer productivity and delivery efficiency. Your areas of knowledge and expertise : * Experience with Content Management Systems (CMS), including greenfield development, content modelling, migrations, and re-platforming to modern solutions. * 7+ years of backend development experience (Node.js or similar), including senior or lead roles with ownership of architecture and technical design decisions. * Deep understanding of modern backend engineering practices, with experience building scalable, high-availability systems. * Hands-on experience with Node.js and its frameworks such as Express.js, NestJS, or similar. * Proven track record designing REST APIs, microservices, and integrations with frontend and backoffice systems. * Solid experience with databases such as SQL, MongoDB, or Redis, including data modelling, optimisation, and performance tuning. * Good understanding of event-driven and asynchronous architectures, as well as API performance best practices. * Experience working in Agile environments (Scrum or Kanban). * Familiarity with AI-assisted development tools (e.g. Claude Code, Cursor, OpenAI Codex) is a strong plus. * Strong problem-solving skills with the ability to troubleshoot and resolve complex cross-system issues. * Clear communicator, able to explain technical decisions to both technical and non-technical stakeholders. * Comfortable taking ownership and driving work independently in a collaborative team environment. Nice to have: * Experience in the iGaming industry * Experience with cloud platforms (Google Cloud, Azure) * Experience with containers (Docker, Kubernetes) * Experience with PHP (Symfony) WHY WORK WITH US? * Flexible work environment with a hybrid work setup * Opportunity to work with well-connected industry leaders. * A leadership approach that fosters innovation, creativity, and trust. * Opportunity to experience the buzz of highly driven and motivated work colleagues. * Experience a start-up feel in a fast-paced growth-driven environment. "We are committed to fostering an inclusive workplace that values and promotes diversity. Our aim is to create a vibrant, accessible, and welcoming environment for individuals of all backgrounds, experiences, and perspectives. We believe in equal opportunity for everyone and encourage candidates from diverse backgrounds to apply, including those from underrepresented groups. Our hiring decisions are made based on the merits of skills, experience, and potential, ensuring fairness and equality for all applicants."

**This is a remote position open to candidates in Europe and Turkey. For those based in the Czech Republic, a hybrid work model is available. ABOUT US We are a leading product development partner specializing in custom web and mobile application development. With Silicon Valley founders and top-tier European tech talent, we operate from Prague and have successfully delivered over 65 software products for early-stage startups, scaleups, and global enterprises. * Founded in 2016 * Headquartered in Prague * Built and launched 65+ products * 90+ team members * Driving product innovation for leading US companies At OAK’S LAB, we take an AI-first approach, utilizing AI on almost every project. From streamlining design and testing workflows to enhancing developer productivity, our teams leverage tools such as Figma MCP Server, Playwright MCP Server, and Cursor, and we’re actively experimenting with remote AI agents to push the boundaries of what’s possible in product development. OUR PROJECTS Here are a few from our portfolio: * Nasdaq Private Market (Series C, Finance)- nasdaqprivatemarket.com * Blackpoint Cyber (Series B, Cybersecurity) - blackpointcyber.com * OpenLoop (Series A, Healthcare) - openloophealth.com THE ROLE Our product development team is seeking a Senior Full-Stack Engineer who brings creative thinking, problem-solving, and proactive technical expertise to build outstanding web and mobile applications for our clients. You’ll be working on cutting-edge projects, solving challenges that were previously unsolvable without the use of AI We are specifically looking for engineers who have hands-on experience building AI-driven solutions and integrating AI models into production applications. This includes practical experience working with LLM APIs, AI-powered workflows, retrieval systems, or other AI integrations that deliver meaningful value to end users. In this role, you will work within a dedicated product team consisting of the Tech Lead for the specific product, a Product Manager, a Designer, and a skilled team of engineers to drive the product’s success. From engaging in technical discussions to engineering complex features, your involvement spans the entire product development lifecycle. RESPONSIBILITIES * Design scalable, modular, and maintainable architectures for AI-powered applications * Collaborate with product teams to understand feature requirements and translate them into technical solutions leveraging AI models * Integrate APIs (e.g., LLM APIs (e.g. OpenAI), Hugging Face API) into applications for tasks such as NLP and image recognition * Implement prompt engineering, embeddings, and other techniques to customize model outputs without building models from scratch * Implement vector databases in Postgres for RAG * Use tools like Hugging Face’s Transformers to further customize pre-trained models to suit specific project requirements * Optimize server-side logic to ensure efficient querying and integration with AI tools * Work with unstructured data (text, images, etc.) and convert it into model-ready formats * Validate the output quality from AI models to ensure it aligns with business needs and provides value to end-users SKILLS & REQUIREMENTS * 6+ years in engineering * 3+ years of experience in building web solutions using Node.js and React * Experienced with Javascript/Typescript * Hands-on experience building AI-driven solutions and integrating AI models or AI-powered services into production applications * Focus on code quality * Desire to learn new technologies * Strong analytical and problem-solving skills * Proactiveness and the capability to make a difference * Driven, hard work ethic, showing commitment * Ability to work effectively in a team environment, following Agile methodologies * Proficiency in English TECH STACK * TypeScript * Node.js * React + Next.js * React Native * GraphQL, tRPC * Google Cloud Platform * HuggingFace API, LLM APIs (eg OpenAI API), Langchain * Postgres/Vector Databases for RAG Important Notice: OAK'S LAB communication, including interview requests and job offers, are only sent from an "@oakslab.com" or "@oaks-lab.com" email addresses (e.g., john@oakslab.com or john@oaks-lab.com). Any message from a different email domain is not associated with OAK'S LAB. We will never ask for payment information or banking details via email, phone, or any other communication channel during the interview process. If you receive messages using our name, domain, or brand assets in an attempt to impersonate us or act on our behalf, do not engage. Instead, report it to Econsumer.gov at Government Shutdown Notice / Aviso de cierre del gobierno (if you are in the EU), Federal Trade Commission (FTC) at Government Shutdown Notice / Aviso de cierre del gobierno , or the Securities and Exchange Commission (SEC) in case of investment fraud at SEC.gov | Report Suspected Securities Fraud or Wrongdoing (if you are in the US).