Lead Full-Stack Engineer

Join to apply for the Lead Full-Stack Engineer (Supervisory) | Dayshift (50k Sign-On Bonus) role at MicroSourcing

Work setup & shift: WFH | Day Shift

Sign-On Bonus: 50,000

Keep in mind that terms & conditions apply.

Kepler is seeking an experienced Lead Full-Stack Engineer to guide our engineering team in the ongoing development and evolution of our platform. The ideal candidate will have a strong background in both frontend and backend technologies, with particular emphasis on React, TypeScript, and Python. This role offers the opportunity to lead a talented team while making significant technical contributions to a sophisticated platform used by marketing professionals.

• Lead a team of full-stack engineers, providing technical guidance, mentorship, and code review
• Design and implement robust full-stack solutions using:
• React/TypeScript frontend with Mantine component library
• Python backend services (Flask, FastAPI, or similar)
• GraphQL APIs with Apollo Client (frontend) and Python-based GraphQL servers
• Drive technical decision-making processes while balancing business requirements with technical constraints
• Establish best practices for code quality, testing, and deployment processes across the entire stack
• Collaborate with product management and UI/UX designers to translate requirements into technical specifications
• Design and implement scalable data models and APIs to support complex business logic
• Optimize application performance and ensure high availability across multiple applications
• Champion type safety and code reusability across the frontend and backend
• Participate in the full development lifecycle from planning to deployment

• 5+ years of experience in full-stack development with at least 2 years in a leadership role, with experience managing others in both project work and career progression
• Experience with SQL databases, ORM technologies (SQLAlchemy), and GraphQL (Apollo Client and Python-based servers)
• Proficiency with UI component libraries (particularly Mantine or similar)
• Experience with form management in complex React applications
• Strong understanding of state management patterns, testing frameworks, and deployment strategies
• Experience with build systems, module bundlers, and CI/CD pipelines
• Excellent verbal and written communication skills in English for technical discussions, documentation, and knowledge sharing
• Demonstrated proficiency with preferred development environment (Mac or Linux) and related development tools
• Experience leading technical teams and mentoring junior developers

• Experience in advertising technology or marketing analytics
• Knowledge of budget management and financial data systems
• Experience developing multi-app workspaces or monorepos
• Familiarity with data visualization libraries and techniques
• Understanding of accessibility standards and best practices
• Experience with real-time data processing systems
• Understanding of data privacy regulations and security best practices
• Experience designing, implementing, or maintaining systems compliant with ISO 27001 and other security frameworks such as SOC 2, NIST 800-53, or HIPAA requirements
• Contributions to open-source projects or technical community
• Knowledge of first principles and strategic thinking skills
• Advanced degree in Computer Science or related field

We are building innovative data-driven solutions that power informed decision-making across advertising and marketing technology. Our platform leverages advanced analytics, real-time data processing, and sophisticated budgeting and pacing capabilities to deliver actionable insights and automated controls for campaign management. As a team of technologists, we aim to produce human-copiloted systems for creative groups to propel humanity and society forward.