Cactus Communications - Senior Software Developer - LLM / Generative AI

CACTUS is a remote-first organization and we embrace an accelerate from anywhere culture. You may be required to travel to our Mumbai office based on business requirements or for company / team events.

Join Cactus Labs, the R&D Cell of Cactus Communications, and play a pivotal role in shaping cutting-edge technological solutions. Cactus Labs is a high-impact, cross-functional team solving complex technical and business challenges that help us stay strategically competitive. We operate globally and work across domains such as AI / ML, with a focus on Generative AI (Text, Image, Audio), Language Understanding, Explainable AI, Big Data, and scalable MLOps / DevOps systems.

As a core member of the team, you'll drive the solutioning and delivery of scalable systems. Youll take ownership of critical projects / features and collaborate closely with product and research teams. If you thrive in ambiguity, enjoy solving high-impact problems, and are motivated by building systems that matter, this role is for you.

Responsibilities :

• Design and architect systems that integrate with a wide array of AWS cloud services, ensuring high availability, scalability, and fault tolerance.
• Build applications that incorporate Large Language Models (LLMs) and other generative AI systems, leveraging APIs or fine-tuned models as needed.
• Own end-to-end technical delivery across projects from design and development to deployment and monitoring.
• Collaborate cross-functionally with Product Managers, Researchers, ML Engineers, and other stakeholders to define and deliver impactful solutions.
• Contribute to technical discussions, architecture decisions, and long-term technology planning.
• Stay up to date with emerging tools, technologies, and development practices, and proactively introduce improvements to elevate engineering quality and team :
• 4+ years of hands-on software development experience with a strong command of Python .
• Demonstrated experience building applications powered by LLMs (e.g., OpenAI, Anthropic, Google, custom fine-tuned models).
• Practical experience with AWS services (e.g., Lambda, EC2, S3, DynamoDB, SQS, API Gateway, etc.).
• Strong understanding of RESTful API design , backend systems, and service integrations.
• Experience with Docker or Kubernetes in production environments .
• Solid grasp of microservices architecture and distributed systems.
• Comfortable working in fast-paced, ambiguous environments with shifting priorities.
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration skills, with experience working in remote and cross-functional teams.

ref : hirist.tech)