Senior Python Developer

Cactus Communications

Mumbai Suburban

Remote

INR 1,653,120 - 2,479,680

Part time

14 days+

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Job summary

A technology and communications company is looking for a part-time Python Developer to join their remote-first team. You will design and architect scalable systems while collaborating cross-functionally to deliver impactful solutions. Ideal candidates will have over 4 years of experience in software development, particularly with Python and AWS, and a strong understanding of Large Language Models. Join an innovative team that drives technology solutions in a flexible work environment.

Qualifications

4+ years of hands-on software development experience.
Experience building applications powered by LLMs.
Proficient in AWS services like Lambda and EC2.

Responsibilities

Design systems integrating with AWS cloud services.
Build applications using Large Language Models.
Own end-to-end technical delivery of projects.

Skills

Python

AWS services

RESTful API design

Docker

Kubernetes

Microservices architecture

Problem-solving

Job description

Overview

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. You will be a part of Cactus Labs which is the R&D Cell of Cactus Communications. Cactus Labs is a high impact cell that works to solve complex technical and business problems that help keep us strategically competitive in the industry. We are a multi cultural team spread across multiple countries. We work in the domain of AI/ML especially with Generative AI (Text, Images, Audio), Language Understanding, Explainable AI, Big Data, Operations (MLOps, DevOps) etc. As a core member of the team, you\'ll drive the solutioning and delivery of scalable systems. You’ll 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 productivity.

Qualifications And Prerequisites

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 crossfunctional teams.

Application Process

Before applying, please ensure you meet the role requirements listed above and have legal authorization to work in the country where this role is advertised. Our selection process typically involves an initial screening by a recruiter, a technical assessment, and two to three interview rounds. For this role, please refer to the following rounds:

Technical round with a panel of 2 interviewers for 1 hour (Virtual)
Techno-functional round for 1 hour (Virtual)
HR Business partner round for 30 minutes

Equal Opportunity

Our hiring practices reflect our commitment to providing equal opportunities and creating an environment where everyone can thrive, develop, and succeed. We celebrate the uniqueness of our team members and prohibit discrimination of any kind, based on race, color, religion, gender identity, sexual orientation, age, marital status, disability, or any other protected characteristic.

Accelerating from Anywhere

As a remote-first organization, these are essential attributes we look for in all our candidates.

Taking ownership of your work with minimal supervision, showing strong ability to organize, prioritize and deliver results independently.
Documenting work that brings everyone on the same page.
Maturity to choose between synchronous and asynchronous collaboration.
Effectively collaborating with colleagues across different time zones by setting dedicated hours for collaboration and keeping team members updated through your MS Teams status.

About CACTUS

At Cactus Communications, we break barriers between science and researchers. We are a science communication and technology company. We specialize in AI products and solutions that improve how research gets funded, published, communicated, and discovered. At CACTUS, we champion an "accelerate from anywhere" culture that fuels our high-performance mindset. Flexibility isn\'t just a benefit—it\u2019s the cornerstone of our productivity. By empowering our teams to work when and where they thrive best, we ensure innovation, drive, and excellence remain at the heart of everything we do.

Seniority level