Lead Full Stack Engineer ( MERN + Python )

Job Summary:

• We are looking for a highly motivated and skilled Software Engineer to join our team.
• This role requires a strong understanding of the software development lifecycle, proficiency in coding, and excellent communication skills.
• The ideal candidate will be responsible for production monitoring, resolving minor technical issues, collecting client information, providing effective client interactions, and supporting our development team in resolving challenges

Key Responsibilities:

• Client Interaction: Serve as the primary point of contact for client queries, provide excellent communication, and ensure timely issue resolution.
• Issue Resolution: Troubleshoot and resolve minor issues related to software applications in a timely manner.
• Information Collection: Gather detailed technical information from clients, understand the problem context, and relay the information to the development leads for further action.
• Collaboration: Work closely with development leads and cross-functional teams to provide timely support and resolution for customer issues.
• Documentation: Document client issues, actions taken, and resolutions for future reference and continuous improvement.
• Software Development Lifecycle: Be involved in maintaining, supporting, and optimizing software through its lifecycle, including bug fixes and enhancements.
• Automating Redundant Support Tasks: (good to have) Should be able to automate the redundant repetitive tasks Required Skills and Qualifications:

Mandatory Skills:

• Expertise in at least one Object Oriented Programming language (Python, Java, C#, C++, Reactjs, Nodejs).
• Good knowledge on Data Structure and their correct usage.
• Open to learn any new software development skill if needed for the project.
• Alignment and utilization of the core enterprise technology stacks and integration capabilities throughout the transition states.
• Participate in planning, definition, and high-level design of the solution and exploration of solution alternatives.
• Define, explore, and support the implementation of enablers to evolve solution intent, working directly with Agile teams to implement them.
• Good knowledge on the implications.
• Experience architecting & estimating deep technical custom solutions & integrations.

Added advantage:

• You have developed software using web technologies.
• You have handled a project from start to end.
• You have worked in an Agile Development project and have experience of writing and estimating User Stories
• Communication Skills: Excellent verbal and written communication skills, with the ability to clearly explain technical issues to non-technical clients.
• Client-Facing Experience: Strong ability to interact with clients, gather necessary information, and ensure a high level of customer satisfaction.
• Problem-Solving: Quick-thinking and proactive in resolving minor issues, with a focus on providing excellent user experience.
• Team Collaboration: Ability to collaborate with development leads, engineering teams, and other stakeholders to escalate complex issues or gather additional technical support when required.

Preferred Skills:

• Familiarity with Cloud Platforms and Cyber Security tools: Knowledge of cloud computing platforms and services (AWS, Azure, Google Cloud) and Cortex XSOAR, SIEM, SOAR, XDR tools is a plus.
• Automation and Scripting: Experience with automating processes or writing scripts to support issue resolution is an advantage.

Work Environment:

• This is a rotational shift position
• During evening shift the timings will be (5 PM to 2 AM), and you will be expected to work independently and efficiently during these hours.
• The position may require occasional weekend shifts depending on the project requirements.
• Additional benefit of night allowance.

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work (India-based, must be reachable for meetings)
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

Position Full-Time: Investment Engineering Associate

Specific Responsibilities

The Investment Engineering Associate’s main responsibilities will include supporting the investment team by building technology-based analytical tools. The Investment Engineering Associate will design and maintain workflows vital to the firm’s investment process - this ranges from creating adhoc analysis to information rich dashboard construction. Typical tasks will include web crawler scripting/collection, web application development, programming (including API integrations), and optimal database/library/query management.

Qualifications

• BS or MS in Computer Science, Engineering, or Data Science

• 2+ years of experience • Candidates should have extensive experience with several of the following languages: Python, Ruby, C/C++, Javascript, HTML5, CSS3, SQL, PHP, etc.

• The Investment Solutions Associate should be familiar with Office VBA • Characteristics of the Solutions Associate include: effective communication skills, attention to detail, and strong ethical values

YOptima is a well capitalized digital startup pioneering full funnel marketing via programmatic media. YOptima is trusted by leading marketers and agencies in India and is expanding its footprint globally.

We are expanding our tech team and looking for a prolific Staff Engineer to lead our tech team as a leader (without necessarily being a people manager). Our tech is hosted on Google cloud and the stack includes React, Node.js, AirFlow, Python, Cloud SQL, BigQuery, TensorFlow.

If you have hands-on experience and passion for building and running scalable cloud-based platforms that change the lives of the customers globally and drive industry leadership, please read on.

1. You have 6+ years of quality experience in building scalable digital products/platforms with experience in full stack development, big data analytics and Devops.
2. You are great at identifying risks and opportunities, and have the depth that comes with willingness and capability to be hands-on. Do you still code? Do you love to code? Do you love to roll up your sleeves and debug things?
3. Do you enjoy going deep into that part of the 'full stack' that you are not an expert of?

Responsibilities:

• You will help build a platform that supports large scale data, with multi-tenancy and near real-time analytics.
• You will lead and mentor a team of data engineers and full stack engineers to build the next generation data-driven marketing platform and solutions.
• You will lead exploring and building new tech and solutions that solve business problems of today and tomorrow.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science or equivalent discipline.
• Excellent computer systems fundamentals, DS/Algorithms and problem solving skills.
• Experience in conceiving, designing, architecting, developing and operating full stack, data-driven platforms using Big data and cloud tech in GCP/AWS environments.

What you get: Opportunity to build a global company. Amazing learning experience. Transparent work culture. Meaningful equity in the business.

At YOptima, we value people who are driven by a higher sense of responsibility, bias for action, transparency, persistence with adaptability, curiosity and humility. We believe that successful people have more failures than average people have attempts. And that success needs the creative mindset to deal with ambiguities when you start, the courage to handle rejections and failure and rise up, and the persistence and humility to iterate and course correct.

1. We look for people who are initiative driven, and not interruption driven. The ones who challenge the status quo with humility and candor.
2. We believe startup managers and leaders are great individual contributors too, and that there is no place for context free leadership.
3. We believe that the curiosity and persistence to learn new skills and nuances, and to apply the smartness in different contexts matter more than just academic knowledge.

Location:

1. Brookefield, Bangalore
2. Jui Nagar, Navi Mumbai

●MS or BS/B.Tech in computer science or equivalent experience from top college.

● 2+ years Strong Product Development experience
● Proficiency in multiple programming languages, both dynamic (Ruby, Python, Golang etc.)
and strongly typed object oriented language.
● Experience and knowledge of open source tools & frameworks, broader cutting edge
technologies around server side development.
● Excellent data structures, algorithms and problem solving skills.
● Experience with Test Driven Development within a continuous Integration environment
(Jenkins, GO, etc)
● Customer-focused, react well to changes, work with teams and be able to multitask.
● Must be a proven performer and team player that enjoys challenging assignments in a
high-energy, fast growing and start-up workplace.
● Must be a self-starter who can work well with minimal guidance and in a fluid environment.

Looking for someone who can take care of all the server-related works, their security, can handle code versions through GitHub, handle the server logs, loads with automated tools.

Hassle-free deploying the code on servers with automated scripts. Should have provision to manage the server downtime efficiently during deployment time on production environment.  Only privileged candidates can access the code and servers with a restricted IP address.

1. Responsibilities

• Serve as a point of cross-functional contact and expertise, providing support to development and QA teams for the build and release process in all environments.
• Provide emergency support for critical issues, research possible cause, and provide solutions.
• Aid DevOps team in the maintenance of existing automated deployment operations as well as the advancement of desired state automated CI-CD Pipelines
• Documents build and deployment process for assigned product and/or tools
• Aid Infrastructure team in the implementation of new resources used by the development, test, and production environments.
• Maintain awareness of best-in-class tools, languages, and practices related to development operations.
• Provides instructions to Infrastructure, Development and Test teams to aid in product development life cycle.

• Participate in discussions regarding new product development and product enhancements.
• 2. Requirements

• Experience working on Linux based infrastructure
• Configuration and managing databases such as MySQL, MongoDB
• Excellent troubleshooting
• Working knowledge of various tools, open-source technologies, and cloud services
• Awareness of critical concepts in DevOps and Agile principles
• Great Experience with public cloud platforms such as AWS, Google Cloud Platform (GCP), or Microsoft Azure.
• Must have implementation experience with TLS/SSL, public private key cryptography, how certificates work, and mutual authentication
• Should have deal with IP addressing, firewalls, open ports, DNS & DHCP