
Senior Fullstack Engineer with 5+ Years of Experience (Backend Heavy)
at SciSpace



Looking for a 5+ years experienced Senior Full-stack Engineer (Backend Heavy) for a research-focused, product-based, US-based Startup.
AI Assistant for Research using state-of-the-art language models (AI Agent for Academic 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). Andwith almost weekly feature launches since our inception, we're
constantly pushing the boundaries of what's possible. Our team of
experts in design, frontend, fullstack engineering, and machine learning
are 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 Engineers. 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 conceptualisation, all the way through deployments
* Evolve an 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 a Start-up is a plus point.

About SciSpace
About
AI Agent for Academic Research
Write a research task or choose one below and SciSpace Agent will use the best AI Models, Tools and Data to complete it for you.
At SciSpace, we're using language models to automate and streamline researchworkflows 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, fullstack 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.
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Mercer Talent Enterprise is hiring for experienced full stack Ruby on Rails developers.
As a Senior Ruby On Rails Engineer, you'll work on a closely-knit team with a technology stack built on top of Ruby on Rails 7.x. We like to work with modern technologies, always try to do what is best for the customer and put more value on teamwork than rock stars and cowboys.
Key Responsibilities
- Design, build, and maintain efficient, reusable, and reliable Ruby code
- Lead the technical design and development of major platform components to help our technology platform scale with our explosive user growth.
- Actively promote code quality, organization and automatization
- Build new features to improve psychometric assessments
- Shape our product roadmaps by being data-driven and creative
- Use and promote TDD best practices
- Pair program with team members of different experiences
- Be a mentor when you have the expertise / Be a student when someone else does
Required Experience or Skills
- 5+ years experience with Ruby on Rails
- Experience working with Postgres database
- Expert knowledge of feature/end-to-end and unit tests
- TDD experience with RSpec and Capybara
- Strong JavaScript skills
- Strong HTML / CSS 3 skills
- Experience working with a Continuous Integration environment (CircleCI, Github Actions, Jenkins, etc.)
- Understanding and commitment to Agile processes
- Great communication, particularly in explaining your coding processes, suggestions for best practices, and identifying ways to improve the team's coding quality
Desired Skills & Experience
- Experience developing with React / Redux
- Experience developing with TypeScript
- Working knowledge with Docker
You'll get
- Competitive salary with health benefits
- An extremely energising, dynamic and fast paced entrepreneurial working culture and environment
- An opportunity to work on leading edge technology products and solutions that will be first movers in the market
- An opportunity to travel to international locations where our clients may be based
- Latest laptop, devices and technologies for your needs
- Unique and supportive opportunities to progress in your career
- On-going team and professional development
Where
Remote
About Mercer Talent Enterprise
Mercer Talent Enterprise is a global leader providing talent foresight for an organization’s most pivotal people decisions through our talent assessment, leadership, and capability development solutions. By integrating our extensive expertise in assessment and psychometric tools with progressive and modern advances in technology and evidence-based data science, Mercer Talent Enterprise enables a depth and breadth of assessment solutions across the employee lifecycle.

Role Summary
We’re seeking a highly skilled and self-motivated Senior Software Engineer who thrives in a startup environment. You will lead end-to-end development of key features, own architectural decisions, and ensure the smooth delivery of our product.
Mandatory Skill Sets/Expertise
• 5-6 years of experience in full-stack development, with a strong focus on the MERN / PERN stack (MongoDB, PostgreSQL, Express, React, Node.js) and AWS.
• Expertise in AWS cloud architecture and experience with serverless solutions (Lambda, DynamoDB, API Gateway).
• Proficiency in designing and implementing CI/CD pipelines using Git, Jenkins, Github actions, or similar tools.
• Proven experience leading and guiding a development team, with strong mentoring skills.
• Ability to work independently and manage deliverables without oversight, while thriving in a startup mentality.
• Strong problem-solving abilities with a proactive approach to addressing technical challenges.
• Experience with databases like PostgreSQL, MongoDB, or other NoSQL solutions along with ORM tools like Sequalize & Mongoose ORM
• Excellent communication skills, both written and verbal, with the ability to explain complex technical concepts to non-technical stakeholders.
Nice to Have
• Knowledge of Typescript for both frontend and backend development. • Experience with Docker and containerized applications.
• Familiarity with GRC (Governance, Risk, and Compliance) tools or SaaS products.
• Experience with other AWS services like ECS, CloudFormation, or RDS.
Key Responsibilities
• Lead and mentor a team of developers, driving best practices in coding and architecture.
• Take full ownership of modules, from design through deployment, and launch web apps singlehandedly if needed.
• Design, develop, and maintain web applications using the PERN / MERN stack (MongoDB, PostgreSQL, Express, React, Node.js) with a focus on scalability, security, and performance.
• Prepare high-level technical designs and architectural decisions, especially on AWS serverless architecture and microservices.
• Implement secure, reliable, and scalable solutions using AWS services • Design and manage CI/CD pipelines to ensure continuous integration and automated deployments.
• Optimize application performance through techniques like lazy loading, code splitting, and caching.
• Collaborate with cross-functional teams, including Product Management, to define features and user experience improvements.
• Ensure high code quality by adhering to SOLID principles, implementing comprehensive testing, and embedding observability into the application.
• Monitor and respond to application performance incidents, focusing on improving uptime and resilience.
• Proactively offer suggestions during retrospectives and work on enhancing team productivity metrics such as Lead Time, Deployment Frequency, and Mean-Time-to-Recovery


Responsibilities:
- Develop and maintain scalable web applications using the MERN stack.
- Design and implement responsive user interfaces with React.
- Build server-side logic using Node.js and Express.js.
- Manage and optimize databases using MongoDB.
- Integrate third-party services and APIs.
- Write clean, maintainable, and efficient code.
- Collaborate with front-end and back-end teams to ensure smooth development processes.


About us
hiringplug™ is an AI Marketplace of specialist Recruiters that enables companies to acquire top talent, faster. The company offers an Award winning RaaS™ Marketplace: Recruitment as a Service Marketplace™ The company is at an interesting expansion stage and looking for exceptional talent to be a part of their growth story. | www.hiringplug.com
About the role
As a core team member in our growing startup, we're looking for an exceptionally hard working candidate who is full of ideas, accountable and has self-learning abilities and make a significant contribution to our growth journey.
Requirement:
The candidate must have at least 2 years and ideally up to 7 years of experience in an IT Product company / Startup. Must have expertise in
Back-end development using Laravel, MySQL / PGSQL
Front-end development using React.js, Javascript, HTML / CSS
- RESTful API development & integration of 3rd party services (like payment gateways, Email marketing tools, SMS/ Whatsapp, etc.)
- High quality coding which can be replicated and used to scale.
- Document the code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level
- Prompt to troubleshoot and fix bugs and use of GIT
Good to have / skills:
- Prior Product based Startup experience is highly preferred.
- Passionate about building products and features and building a product from scratch with thrust on DevOps, Web security, TLS/SSL, web sockets, etc.
- Have a good understanding of setting up & managing cloud servers like AWS, Google cloud, etc.
- Manage Key-value based databases like Redis
- Deploy source code by way of encryption and setting up Docker on cloud servers.
- Working on 3rd party managed services for Queue
- Experience / knowledge of Microservices, Laravel Lumen
Additional Information
- Immediate / Early joiners preferred.
- This is a Work from Office / Hybrid role.
- Office is in Green Park, New Delhi 110016 (5 min walk from Metro station)
- We are a Small crack team and building a World class product
- BYOD - Bring your own device (Laptop)
- Candidate must be willing to work in a high exposure - high accountability Startup environment and grow significantly with the company.
Get to know us
- https://www.instagram.com/hiringplug
- https://www.facebook.com/hiringplugofficial
- https://twitter.com/hiringplug
- https://blog.hiringplug.com
- www.hiringplug.com
- “Top HR & Work Tech Startup” – by People Matters both in 2019 & 2020
- “10 Best HR Tech startups 2019” – by Silicon India in Oct 2019
- “Best resourcing software 2019” – by HR Association of India in Jan 2019
Talk to you soon!

Job Title: Senior Software Engineer (Full Stack . Net)
Employment Type: Full-Time, Permanent
Position Location: Noida, UP
Reports to: Software Development Manager (IT Solutions Delivery)
Qualifications: BE/B.Tech/MCA Degree in Computer Science, Engineering, or a similar relevant field
Total Experience 2+ years
Working Model Work from Office
PRIMARY RESPONSIBILITIES
1. Responsible for the development and maintenance of enterprise-wide web applications using ASP.Net, C#, Angular, Typescript, HTML5, Bootstrap, Angular 7+ and CSS.
2. Responsible for participating in all stages of the development life cycle including requirements analysis, design, development, testing, and implementation.
3. Work with US business stakeholders to ensure requirements are being met
4. Should be adaptable to the US time zone whenever required to have meetings with onshore counterparts.
5. Good experience working on Agile teams and extensive familiarity with all Agile ceremonies.
6. Keeps current with new technologies and software methodologies related to the Microsoft software development platform.
KNOWLEDGE AND SKILL REQUIREMENTS
1. Minimum of 6+ years of experience in application development using C#, .NET, Web API, LINQ, asynchronous programming, AJAX, HTML, and CSS.
2. Minimum of 5+ years of experience developing back-end solutions using Microsoft SQL Server.
3. Minimum of 4+ years of experience with client-side technology (Angular 7+, TypeScript, and RXJS).
4. Experience working with Agile teams and familiarity with all Agile ceremonies and principles
5. Experience working with the following is preferred:
a. Front-end state models
b. GIT for source control
c. OAuth authentication and Azure Libraries
d. test-driven development and mocking frameworks
e. Dependency Injection/Inversion of Control
f. Azure DevOps for Continuous Integration and Continuous Delivery (CI/CD)
g. Microsoft Azure Service Bus
h. .Net Core
i. SQL Server 2016
closely with the business to design and develop technology solutions around the
requirements.
Responsibilities:
● Lead the development of the backend systems for various products.
● Build reliable, secure and performant backend systems.
● Collaborating with the business to define the vision and implement the system
architecture, design and code.
● Help shape the backend development
Requirements:
● Should have 1-4 years of software development experience
● Strong computer science fundamentals
● Good intuition for REST API design
● Deep knowledge of the JavaScript ecosystem, should have hands-on experience of
writing code on NodeJS technology
● Having worked on frontend frameworks such as react and vue would be a plus.
● Understanding of DevOps would be helpful.



1- React Native with iOS / Android – Proficient
2- React.js, Node.js, MySQL, MongoDB – Proficient
3- HTML, CSS, SCSS, JavaScript, Bootstrap.
4- Solid understanding of AJAX, JavaScript, JQuery, JSON data, MVC Framework.
1- Develop and deliver high quality products using ReactJS , React Native, Node js - Proficient
2- Responsive UI development using ReactJS and React Native
3- Validation and implementation of UI compatibility for cross platforms like web, mobile and tablets.
4- Working knowledge of Agile scrum methodology, Github, JIRA
5- Worked on TDD framework.



● Expertise in Web API is most preferable.
● Good experience needed in Angular 4+ implementation.
● Must have very good exposure and experience working with C#,ASP.Net, MVC, Entity Framework, Web Service, Java Script, jQuery and SQL Server.
● Strong Knowledge of software implementation best practices.
● Strong experience in debugging and working with n-tier architecture (UI, Business layer and Data Access layer) along some experience with service oriented architectures(SOA)
Ability to design and optimize SQL server stored procedures.
● Solid understanding of object oriented programming (OOP).
● Experience using version control (Git/Subversion)
Experience using Jira and Confluence
● Develop and enhance new and existing software applications
Mentor and train other team members
● Gain knowledge of the Energy Industry
● Provide documentation and training on the solution




