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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Fullstack Engineer - **Company:** adMarketplace, Inc. - **Location:** New York, NY, United States - **Experience:** Expert - **Salary:** $170,000.0 - $200,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Automation of Tests, Software Quality, Databases, Continuous Integration, Relational Databases, Software Debugging, Distributed Systems, MySQL, Software Engineering, TypeScript, Usage Analysis, ReactJS, Spring-boot, Reliability of Systems, Backend, Solid Principles, Information Technology, Apache Kafka, Graphql, Front End Software Development, Vertica, Restful APIs, Code Restructuring, Microservices - **Published:** June 12, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=249e701c67bf2488 ## About the Role Do you have experience in TypeScript?, * Bachelor's degree in Computer Science, Engineering, or related technical field preferred, or equivalent practical experience. * 5+ years of professional software engineering experience. * 3+ years of hands-on experience with React and preferably TypeScript. * 3+ years of hands-on experience with Java (preferably Spring Boot) * Experience working with relational databases, preferably MySQL. * Experience designing and maintaining microservices and GraphQL/REST API endpoints. * Experience with microservices, distributed systems, and production-grade applications. * Strong understanding of software design principles, clean code, testing, refactoring, and maintainable architecture. * Experience with CI/CD practices, automated testing, observability, and production support. * Experience using AI-assisted development tools responsibly and effectively for prototyping, architecting, coding, debugging, testing, refactoring, documentation, and learning. * Ability to validate AI-generated code for correctness, security, scalability, performance, and maintainability. Core Competencies * Strong problem-solving and analytical thinking. * Strong stakeholder management and communication skills. * Sound technical judgment and ability to evaluate tradeoffs. * High ownership, accountability, and delivery orientation. * Ability to mentor engineers and improve team practices. * Comfort operating in a fast-paced, evolving environment., * Experience querying analytical databases such as ClickHouse for reporting and product analytics. * Experience with Kafka or similar event-driven technologies preferred. * Experience in ad tech, search, marketplace systems, analytics, or high-scale transactional platforms is a plus. ## Description We are looking for an AI-first full-stack engineer to join Workflows team - building AI-native UI and agentic workflow Amplify platform. Amplify is a control plane for all advertiser & publisher activity within adMarketplace. You will own full-stack end-to-end projects - you'll work closely with internal & external users, design, product, drive architecture and full stack implementation. Your work will have a direct and measurable impact on our revenue. You will have a clear career progression path and numerous opportunities for both personal and professional growth in an intellectually stimulating and dynamic work environment. What You'll Do: * Deliver production-ready features that improve client-facing and internal product workflows. * Build intuitive, reusable, and performant frontend experiences using React and other frontend technologies. * Develop scalable, secure, and observable backend microservices using Java. * Design and optimize database schemas, queries, indexes, and transactions. * Improve system reliability, performance, maintainability, and code quality. * Use AI-assisted development tools responsibly to increase productivity, testing quality, debugging speed, and documentation. * Mentor engineers, contribute to technical design, and raise engineering standards across the team. ## Related Videos - [Behind the Curtain: How Recruiters Shortlist Devs in an AI-Driven Market and How You Stand Out](https://www.wearedevelopers.com/videos/100229-behind-the-curtain-how-recruiters-shortlist-devs-in-an-ai-driven-market-and-how-you-stand-out) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)