Full Stack Software Engineer

Description

Summary: Seeking a Full Stack Software Engineer to build and improve internal platforms for AI training data, localization, and financial operations within a fast-moving, highly collaborative team. Highlights: 1. Build and maintain frontend and backend features for complex workflows 2. Collaborate with diverse teams to translate business needs into software 3. Work in a dynamic, highly energetic team environment **About the Role** We are looking for a **Full Stack Software Engineer** with **3\+ years of professional experience** to join our engineering team. This role will focus on building and improving our internal annotation and project management platform used for AI training data, localization workflows, financial operations, and customer\-specific annotation projects. The ideal candidate is strong in **React, TypeScript, and backend API development**, comfortable working in a large codebase, and excited to work in a fast\-moving, highly collaborative engineering team. **What We’re Looking For** We are looking for someone who can contribute quickly, communicate clearly, and help us build reliable, scalable tools for complex annotation and operational workflows. This person should be comfortable balancing speed with quality and should enjoy working closely with a motivated, high\-energy team. **Key Responsibilities** * Build and maintain frontend features using **React, TypeScript, Material UI, Redux Toolkit, and Vite** * Develop and enhance backend APIs using **Node.js, NestJS, TypeScript, TypeORM, and MySQL** * Work on platform features across annotation workflows, user management, project operations, finance, reporting, and integrations * Collaborate with product, operations, and engineering teams to translate business needs into scalable software * Write clean, maintainable, tested code using unit, integration, and E2E testing practices * Participate in code reviews, sprint planning, architecture discussions, and production support * Improve performance, reliability, observability, and user experience across the platform **Required Skills** * **3\+ years** of professional software engineering experience * Strong experience with **TypeScript** and modern JavaScript development * Frontend experience with **React, hooks, component\-based architecture, Material UI, Redux Toolkit, React Router, Formik/Yup, Axios** * Backend experience with **Node.js, NestJS, REST APIs, TypeORM, MySQL, validation, authentication, and API documentation** * Experience with testing tools such as **Jest, React Testing Library, Cypress, Supertest, or Testcontainers** * Familiarity with **Git\-based workflows**, code reviews, and Agile/Scrum development * Comfortable working with large, modular applications and complex business logic **Nice to Have** * Experience with **AWS services** such as S3, SQS, SNS, Lambda, Cognito, RDS, ECR, or EKS * Familiarity with **Docker, Kubernetes, Helm, CI/CD pipelines, SonarQube, and Datadog** * Experience with **Recharts, SurveyJS, or rich data\-heavy UIs** * Exposure to **LLM/AI integrations** such as OpenAI, Google GenAI, AWS Bedrock, or LangChain * Experience with localization, data annotation, workflow systems, vendor management, invoicing, or financial platforms * Python experience for scripting, automation, or data processing **Soft Skills** * Strong written and verbal communication * Ability to work independently and take ownership of features * Collaborative mindset with openness to feedback and code reviews * Strong problem\-solving skills in complex, fast\-changing product areas * Attention to detail around data quality, security, performance, and UX * Ability to learn quickly and adapt to new tools, integrations, and customer requirements * Comfortable working in a **dynamic, highly energetic team environment** **Tech Stack** **Frontend:** React, TypeScript, Material UI, Redux Toolkit, Vite, Axios, Cypress **Backend:** Node.js, NestJS, TypeScript, TypeORM, MySQL, Swagger/OpenAPI, Jest, Supertest **Infrastructure:** Docker, Kubernetes/EKS, Helm, AWS, CI/CD **Observability \& Quality:** Datadog, ESLint, Prettier **Integrations:** OpenAI, Google GenAI, AWS Bedrock, SendGrid, Google APIs, QuickBooks, XTRF Job Type: Contract Application Question(s): * Please describe the most complex software product or platform you have worked on recently. What was your role, what technologies did you use, and what were your main responsibilities? * What percentage of your current work is frontend versus backend? Please describe the technologies you use most hands\-on today and what you consider your strongest technical area. Work Location: Remote