Full Stack Developer

We are seeking a skilled and experienced MERN Stack Developer to join our development team. The ideal candidate will have in-depth knowledge of MongoDB, Express.js, React.js, and Node.js, along with a passion for building high-performance, scalable web applications.

Key Responsibilities:

• Develop, test, and deploy robust and scalable web applications using the MERN stack.
• Design and maintain RESTful APIs and integrate front-end with back-end logic.
• Work closely with UI/UX designers to implement design specifications.
• Optimize applications for maximum speed and scalability.
• Write clean, reusable, and well-documented code.
• Collaborate with cross-functional teams including designers, product managers, and other developers.
• Perform unit and integration testing.
• Stay up-to-date with emerging technologies and industry trends.

Required Skills & Qualifications:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Hands-on experience with MongoDB, Express.js, React.js, and Node.js.
• Knowledge of modern front-end build pipelines and tools (Webpack, Babel, etc.).
• Experience with version control systems like Git.
• Good understanding of database design and management.
• Familiarity with Agile/Scrum methodologies.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Skills:

• Experience with Next.js or React Native is a plus.
• Knowledge of CI/CD pipelines.
• Understanding of cloud platforms like AWS, Azure, or GCP.

Life is Short! Work Somewhere Awesome.

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.

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.

Who Should apply?

Only for Serious job seekers

Technically Strong Candidates who are willing to take up challenging roles and want to raise their Career graph.

Why Think n Solutions Software?

Exposure to latest Technology. Opportunity working in different platforms Direct client interaction

Rapid Career Growth

Friendly Knowledge sharing Environment

• Must have experience in either of JavaScript frameworks: Angular  /ReactJS (Preferred)
• Must have experience in either of backend software development [J2EE, Spring Boot, Spring core, JPA] or Node.Js
• Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java or Node Js
• Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
• Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
• Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
• Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
• Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
• Knowledge on Cloud platform, technologies & deployments is an added advantage
• Resolves technical issues through debugging, research, and
• Must have experience with Agile tools

• Good knowledge in product development domains
• Knowledge in Finance and Insurance domain preferred
• Maintain quality and ensure responsiveness of
• Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
• Troubleshooting development and production problems across multiple environments and operating platforms.
• Collaborate with the rest of the engineering team to design and launch new features
• Understanding and implementation of security and data
• Ensure designs are in compliance with specifications and standards and best industry
• Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
• Self-motivated & working independently with minimal
• Maintain code integrity and
• Experience working with graphic designers and converting designs to visual
• Follow the coding standards for java/node and angular

• Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
• Exposure to Non-web-based developments, for both mobile and
• Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
• Willing to take up proof of concepts and showcase the technical capability
• Usage of design tools Visio or draw io
• Usage of CI/CD pipeline

• 6-13 years’ experience designing for high performing digital products across various domains
• Degree in design-related field or equivalent experience.
• Good understanding of design patterns, industry trends, and great approaches to solve problems
• Expertise in core UX disciplines including information architecture, interaction design, application of design systems, and UI design.
• Creative problem-solver with a strong eye for detail
• Experience and understanding of Responsive Web Design
• Experience with iOS and Android Mobile App Design
• Must have Software Proficiency with Figma, Sketch, Miro
• Proficient in wire-framing and comfortable producing concept sketches and user flows
• A passion for UX and User Research
• A strong portfolio which demonstrates work across a range of clients
• Strong experience of user research and usability testing
• Passionate about Design Thinking.
• Excellent verbal and written communications skills.
• Experience with accessibility, localization, and internationalization.
• Experience working directly with developers to ensure the successful implementation of a design specifications
• Familiarity with content strategy, content management, taxonomy and large scale digital publishing.
• Knowledge of HTML, CSS, and JavaScript.
• Knowledge with QA and testing methods is a plus.
• All candidates will be required to submit a portfolio of work samples and/or links to their work.

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

Education: Min. Graduate in related discipline

Qualifications for Ruby

Time Zone EST Overlap of 3-4 hours/day

• Proficient in Ruby, and one of the Javascript UI frameworks like React, Ember, Angular, etc.
• Experience working with MySQL, BigQuery, and Snowflake.
• Experience in UI frameworks like React, Ember, Angular, etc.
• Experience building and deploying applications in an Amazon Web Services (AWS) ecosystem. 
• 5+ years of software engineering experience developing scalable production software incorporating testing, evaluation, and monitoring.
• Full-stack development experience
• Strong knowledge of CS fundamentals and code organization best practices
• Bachelor's degree in Computer Science or equivalent practical experience.
• Built systems that make use of complex job queues and offline processing
• Experience with Docker/ECS/AWS
• Experience with testing and writing test cases
• Experience with Jest, Enzyme, and RSpec