As a Fullstack AI Engineer, you will design and develop scalable applications, integrating AI solutions and collaborating with the CTO in a startup environment.
This is a remote position.
We are looking for a Fullstack AI Engineer to join an innovative AGR Tech project from the ground up, focused on building a communication system for client interactions. In this role, you will work directly with the CTO, contributing to both technical architecture and product evolution in a highly collaborative environment.
You will be responsible for designing, developing, and scaling modern fullstack applications, with a strong emphasis on AI-driven solutions and LLM integrations. This role is ideal for someone who enjoys building products from scratch, has strong ownership mindset, and is excited about applying artificial intelligence to solve real business problems.
Opportunity for Brazil residents only
Design and develop scalable fullstack applications from scratch
Build and maintain backend services using Python and FastAPI
Develop modern frontend interfaces using React
Collaborate directly with the CTO on technical decisions and product strategy
Design and implement AI-powered workflows and LLM integrations
Research, test, and apply new AI technologies to improve product capabilities
Create and maintain APIs, integrations, and data pipelines
Contribute to system architecture, scalability, and performance improvements
Participate in rapid product iterations and technical validations
Translate business and product requirements into technical solutions
Collaborate with cross-functional stakeholders in a fast-paced startup environment
Ensure code quality, maintainability, and best development practices
Requirements
+3 years of experience in Fullstack Software Development
Knowledge in Python backend development
Experience building frontend applications with Javascript/React
Experience designing and consuming REST APIs
Interest in or hands-on experience with LLMs, AI tools, or AI-based products
Strong problem-solving skills and critical thinking
Ability to work autonomously and take ownership of technical decisions
Comfort working in early-stage products with evolving requirements
Collaborative mindset and strong communication skills
Nice-to-have:
Experience with Python and FastAPI
Experience with AI agents, prompt engineering, or RAG architectures
Experience with cloud platforms such as AWS
Experience with Docker and CI/CD pipelines
Startup or product-building experience
Experience working closely with technical leadership or founders
Similar Jobs
Information Technology • Software
The Senior Full-stack Engineer will develop and maintain scalable applications, collaborate with stakeholders, mentor other engineers, and ensure high-quality code for a SaaS platform.
Top Skills:
Ci/CdGitMongoDBNode.jsPostgresReactRest ApisTypescript
Food
The Senior Full Stack Engineer will integrate third-party platforms, oversee full-stack projects, and ensure scalable, secure integrations while also managing AWS infrastructure and optimizing databases.
Top Skills:
AWSJavaJavaScriptKubernetesMySQLNestjsReactTypescript
Information Technology • Software • Consulting
The Senior Full Stack Engineer will build platform integrations, work across the full stack, shape product architecture, and collaborate cross-functionally to enhance digital experiences.
Top Skills:
APIsModern JavascriptPHPReactWebflowWoocommerceWordpress
What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
- Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories
