Performance Engineer (Fullstack-Performance optimization)

Looking for 5+ years experienced Senior Fullstack Engineer for research-focused, product-based, US-based Startup

AI Assistant for Research using state of the art language models (ChatGPT for Research)

At SciSpace, we're using language models to automate and streamline research workflows from start to finish. And the best part? We're already making waves in the industry, with a whopping 5 million users on board as of November 2025!

Our users love us too, with a 40% MOM retention rate and 10% of them using our app more than once a week! We're growing by more than 50% every month, all thanks to our awesome users spreading the word (see it yourself on Twitter).

And with almost weekly feature launches since our inception, we're constantly pushing the boundaries of what's possible. Our team of experts in design, front-end, full-stack engineering, and machine learning is already in place, but we're always on the lookout for new talent to help us take things to the next level.

Our user base is super engaged and always eager to provide feedback, making Scispace one of the most advanced applications of language models out there.

We are looking for insatiably curious, always learning SDE 2 Fullstack Engineer. You could get a chance to work on the most important and challenging problems at scale.

Responsibilities:

• Work in managing products as part of SciSpace product suite.
• Partner with product owners in designing software that becomes part of researchers’ lives.
• Model real-world scenarios into code that can build the SciSpace platform.
• Test code that you write and continuously improve practices at SciSpace.
• Arrive at technology decisions after extensive debates with other engineers.
• Manage large projects from conceptualization, all the way through deployments.
• Evolve and ecosystem of tools and libraries that make it possible for SciSpace to provide reliable, always-on, performant services to our users.
• Partner with other engineers in developing an architecture that is resilient to changes in product requirements and usage.
• Work on the user-interface side and deliver a snappy, enjoyable experience to your users.

Our Ideal Candidate would:

• Strong grasp of one high-level language like Python, Javascript, etc.
• Strong grasp of front-end HTML/CSS, non-trivial browser-side javascript
• General awareness of SQL and database design concepts
• Solid understanding of testing fundamentals
• Strong communication skills
• Should have prior experience in managing and executing technology products.

Bonus:

• Prior experience working with high-volume, always-available web-applications
• Experience in ElasticSearch.
• Experience in Distributed systems.
• Experience working with Start-up is a plus point.

As a Software Developer at Prodios Labs, you will have the opportunity to work on cutting-edge projects utilizing your expertise in JavaScript, Node.js, ReactJS, CSS, HTML, TypeScript, and MongoDB. Your role will be crucial in developing innovative software solutions that will drive the success of our company.

Key Responsibilities:

1. Collaborate with cross-functional teams to design, develop, and implement software solutions that meet the needs of our clients.

2. Write clean, maintainable, and efficient code using best practices in software development.

3. Implement responsive design principles to create user-friendly interfaces and enhance user experience.

4. Troubleshoot and debug applications to ensure optimal performance and reliability.

5. Stay updated on emerging technologies and trends in the software development industry to continuously improve our products.

6. Conduct thorough testing and quality assurance to ensure the functionality and security of our software solutions.

7. Communicate effectively with team members and stakeholders to ensure project deadlines are met and goals are achieved.

If you are a passionate and skilled Software Developer looking to make a significant impact in a dynamic and fast-paced environment, we want to hear from you! Join our team at Prodios Labs and be a part of our exciting journey towards innovation and success

1. Developing and maintaining web applications: coding, testing, and debugging both client-side (front-end) and server-side (back-end) components of web applications. This includes working with languages like HTML, CSS, JavaScript for the front-end, and server-side languages like Node.js, MySQL, MongoDB, or PostgreSQL.

2. Collaborating with cross-functional teams: The candidate need to collaborate with other team members, such as UI/UX designers, product/operations managers, and other developers, to understand requirements and implement solutions.

3. Learning and applying new technologies: Given the rapid pace of technological advancement in web development, candidates are often expected to learn and adapt to new frameworks, libraries, and best practices. They might spend time researching and experimenting with new tools or technologies and applying them to current projects. This continuous learning is crucial for personal development and for staying relevant in the field.

We are a registered broker-dealer and ATS (Alternative Trading System) currently building a revolutionary ecosystem to support the issuance and trading of digital asset securities (tokenized securities and other assets). We envision a future where everything is tradeable and have already constructed the technological foundation on which this thesis can develop.

As an SEC and FINRA- regulated company licensed to conduct business in digital asset securities, we are positioned to bridge traditional finance and the digital future, leveraging technology to improve the capital markets for issuers and investors alike.

The Role

We are looking for a Senior Full Stack Developer (React, NodeJS) to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

Responsibilities

• Perform hands-on software development, including writing code and unit tests, doing proof of concepts, conducting code reviews, and testing in ongoing sprints

• Work closely with product team and other full stack developers to implement innovative solutions to challenging web development problems

• Participates in system design and specifications, program logic and flow-charting, development, testing, debugging, documentation, and support

• Supports new and ongoing digital defi projects, and integration with clients and vendor platforms

• Provides analysis of problems and recommends solutions

Requirements

• 5+ years of experience working in React and able to demonstrate strong JavaScript knowledge

• 5+ years of experience working with NodeJS

• 3+ years of experience working with PostgreSQL and DynamoDB

• Experience with CI and CD environment and AWS platforms

• Proficiency working with Docker

• Experience writing APIs and securing APIs

• Proficiency working with ECS and EKS

• Strong experience in systems architecture design and development

• Strong experience building single-page web applications

• Ability to efficiently manage and build large, complex web applications

• Strong analytical and problem-solving skills, with good attention to detail

• Self-motivated, ability to work independently

• Ability to use creative thinking to develop innovative solutions to business problems

• Strong project management skills, including the ability to manage multiple projects simultaneously

• Ability to mentor other developers

• Ability to work in a fast-paced team environment

Vah Vah! is an ed-tech company that offers online makeup courses in micro-batches to students across India to learn from the leading teachers in top cities. We provide holistic education with lots of practical training that makes our students job-ready with not just the base skills but also the soft skills for great customer service. Our teachers have more than 15+ years of experience in training makeup and have certified more than 1000+ students. Vah Vah! is founded by executives with extensive experience running consumer business and mobile games at scale (over 100 million players) at Zynga. Vah Vah! is backed by a leading investment firm.

Website Link: https://vahvah.com/

The Mission

Vah Vah teaches professional makeup to budding makeup artists and influencers through live online classes. We have students from Srinagar, all the way to the Andamans. And experienced teachers who have worked in Bridal Makeup, Ramp Shoots, Film and more. We empower our students to join the workforce as fully trained makeup artists. This is the future of vocational education, and you can help build it.

Our Culture

• Amazing workplace and colleagues to work with
• We have the right mixture of creativity, analytics and hustle to move fast in the right direction.
• You will work with colleagues who don’t take themselves too seriously but move mountains.
• See yourself evolving every month with new problems to solve and new skill to master.
• Work with the smartest engineers so you can learn from them.
• Competitive salary at par with the best in the industry
• Great stock options so you can benefit from the company's growth.
• Immense exposure to new technologies

Responsibilities:

• Complete ownership of building and maintaining Web APP
• Deliver across the entire app life cycle design, build, deploy, test, release to production and support
• Should be comfortable in building a great consumer user interface and responsive web apps.

Requirements:

• Overall experience of 2-4 years
• React Web Developer with 2+ years of experience
• Should have worked on NodeJS with express framework
• Understanding of Backend services, API implementation, and database systems. - Familiarity with MySQL and Mongo databases
• We encourage all our devs to have a base level of DevOps skills & w.r.t
• Source Control, CI/CD systems, Cloud Services such as AWS, Firebase, GCP Minimum 1 year of experience in responsive app development
• Ability to implement designs and functionality provided by UI/UX teams
• Strong knowledge of JavaScript ES6
• knowledge of Java/J2EE, Spring, Spring Boot, Spring Cloud is a plus

Key Skills:

• React/JS, NodeJS, Typescript
• Familiarity with Analytics integrations
• Conversant with Github, CI/CD pipeline

What you get:

• Amazing workplace and colleagues to work with
• Competitive salary at par with the best in the industry
• Immense exposure to new technologies

Qualifications

• 3+ years of experience in development using Python OR Node.js
• Experience with React.js

• Previous experience with Shopify customization is desirable
• Bachelor’s degree in computer science or related field

We are looking for ambitious hands-on coders who love building web based applications from the ground up and have a special affection for all things JavaScript.

Responsibilities:

• Develop robust, web-based applications interacting with database filesystems and APIs
• Obsess about code quality and readability
• Remain updated on new and evolving client-side technologies, their application to our functionality or architecture goals
• Work closely in a multi-disciplinary structure to deliver world class solutions across web, mobile, and tablets
• Identify and establish best practices and frameworks keeping in mind parameters of performance, responsiveness, security, maintainability, extensibility, and reuse

Must have:

• At least 3 years of experience in developing web based applications with experience in Node.Js
• Skilled at Object Oriented JavaScript and having a working knowledge of at least one of the following MVC Frameworks (Angular, Backbone, Ember, React etc.).
• Knowledge of database, preferably some NoSQL DB like Mongo.
• Familiar with Git version control system