
As one of the senior members of the backend development team at Mosaic, you will be
responsible for architecting and setting the standards for building our core backend/microservices.
Also, you will be responsible for shaping up the entire system for scale and collaborating
extensively with the frontend and design teams to create the best consumer experiences.
Responsibilities
● Develop microservices that will be used by the frontend through API endpoints.
● Translate business requirements into high quality code.
● Ensure that the code is deployed in a secure and scalable fashion.
● Focus on code maintainability and performance of application.
● Provide technical advice and assists in solving programming problems.
● Enhance Analytics and overall backend architecture for better performance.
Requirements
● 3+ years of backend/full-stack development experience
● 1+ years of experience on NodeJS
● 1+ years experience in building APIs in a microservice architecture
● Has experience managing other developers, recruiting and training.
● Experience in PHP is a plus
● Experience with AWS services such as Lambda, CloudWatch, CloudFront
● Has experience in code reviewing/being the gatekeeper for an entire project
● Experience with RabbitMQ or similar queuing system
● Experience with Redis/ElasticSearch is a plus
● Familiarity with CI/CD pipeline tools like Jenkins
● Good knowledge of working with Git
● A knack for benchmarking and optimization

About Mosaic Wellness
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About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What You Will Do:
• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and a deep interest in scalable, low-latency systems.
• You should have 3–4 years of experience in Python-based development and be eager to solve complex performance and scalability challenges in trading and fintech applications.
• You measure success by your own growth, not external validation.
• You thrive on challenges, not on perks or financial rewards.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What We Expect:
• Develop and maintain scalable backend systems using Python.
• Design and implement REST APIs and socket-based communication.
• Optimize code for speed, performance, and reliability.
• Collaborate with frontend teams to integrate server-side logic.
• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.
• Build fault-tolerant, multi-producer/consumer systems.
Must-Have Skills:
• 3–4 years of experience in Python and backend development.
• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).
• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.
• Bachelor’s degree in Computer Science or related field.
Nice-to-Have Skills:
• Past experience in fintech, trading systems, or algorithmic trading.
• Experience with GoLang, C/C++, Erlang, or Elixir.
• Exposure to trading, fintech, or low-latency systems.
• Familiarity with microservices and CI/CD pipelines.
Key Responsibilities
- Develop and maintain custom WordPress themes, plugins, and APIs using PHP, MySQL, HTML, CSS, jQuery, and JavaScript.
- Build and optimize REST APIs and integrate with third-party services.
- Ensure high performance, scalability, and security of WordPress applications.
- Collaborate with Product Managers, UI/UX Designers, QA, and DevOps to deliver high-quality solutions.
- Write clean, testable, and maintainable code following best practices.
- Troubleshoot and resolve WordPress-related technical issues.
- Stay updated on WordPress and web technology trends.
Required Skills & Experience
- 7+ years of experience in PHP and WordPress development.
- Strong expertise in custom theme and plugin development.
- Proficiency in JavaScript, jQuery, AJAX, HTML5, and CSS3.
- Solid experience with MySQL and database optimization.
- Hands-on experience with Git and Agile methodologies.
- Knowledge of WordPress security best practices, SEO, and performance tuning.
- Familiarity with CI/CD pipelines, Docker, and cloud platforms (AWS/GCP) is a plus.
- Experience with multisite or headless WordPress is an advantage.
- Experience with Laravel, Symfony, Yii, and other PHP-based frameworks is a plus.
Nice to have
- Cloudflare Workers (Wrangler, KV/R2, Durable Objects)
- Salesforce OAuth/API experience; HubSpot Forms event hooks; middleware patterns.
- AWS basic understanding
- Cloudflare basic understanding
- Uptime/transaction monitoring via Checkly or other automated systems.
- Entry-level DevOps/networking understanding: HTTP/TLS, CORS, DNS, proxies, caching, request/response debugging (HAR).
Qualifications
- Associate or bachelor’s degree preferred (Computer Science, Engineering, etc.), but equivalent work experience in a technology-related area may substitute.
- Proven track record in building and maintaining large-scale WordPress platforms.
Job Description
- Designing system architecture, develop and maintain high performing & scalable services using Node.js frameworks.
- Extensively engage in iterative development model right from requirement analysis, estimation, development, testing & production support
- Mentor, groom junior developers and participate in code reviews
- Contribute towards building company’s coding culture
Requirements
- 3+ years of relevant industry experience in Node.js
- A deep understanding of JavaScript
- Experience working with SQL and NoSQL databases
- Experience with Unit and Integration tests
- Experience with CI/CD
- Experience with MathJax/Latex
- Experience with large scale video streaming
- Experience with ReactJS is a bonus
● Fluency or understanding of specific languages, such as Python or Go.
● Strong understanding of the web development cycle and programming techniques and tools.
● Solid understanding of how REST APIs work: GET, POST, PUT and PATCH
● Basic understanding of AWS cloud and its services like lambda, EC2, Document DB, EKS etc.
● Understanding MongoDB would be a bonus.
● Excellent project management skills.
● Ability to work independently or with a group.
Hi,
I am having an ajob opportunity for the role of "Node Js developer" permanent work from home.
Please find the below JD
Responsibilities:
We are looking for a candidate who possesses a passion for pushing technologies to the limits and will work with our team of talented engineers to design and build the next generation applications.
- You will work closely with our product and design teams to build the backend engine and implement web services using the latest principles.
- Candidates should have working knowledge of NodeJS latest versions. Candidates with additional knowledge of technologies like JAVA, CAKEPHP will be preferred more.
Skills Required :
NodeJS, REST API, JSON Data Format, Integrating Third Party Libraries, MYSQL/MONGODB Databases and similar.
- Affinity for backend technologies.
- Experience in writing modular/reusable code using node frameworks
- Deep technical Knowledge and Good problem solving abilities.
- Good communication skills and solid interpersonal skills.
- Team Management skills is must
-Qualification Required : MCA/B.Tech Candidate Only
Collaborate with clients and internal teams to develop appropriate solutions
• Brainstorm with team members and prove the ability to think on the fly.
Requirements
• Core Java
• Spring Boot, Spring Rest, Spring Data
• Testing framework - Junit, Mockito
• Experience in deploying applications on one of public cloud preferably Microsoft Azure. (Other
- AWS or Google Cloud)
• Experience in one of messaging platform preferably Kafka (Other - Rabbitmq or Active MQ)
• Docker
• Kubernetes
• Others – Linux, Git, Maven, CI/CD pipeline
• Experience in working with Agile teams
Good To Have
• Git (6+ years of experience)
• Develop test cases, conduct SIT, load test, and tune the performance of systems to meet
acceptance criteria.
• Perform and manage stages of the SCRUM and participate in the systems review with Project
Lead/Manager.
• Experience in the development of cloud-native applications is an added advantage.
• Experience working in Agile teams
What We Offer
• National and International Business Trips (if there is an opportunity)
• Culture of Knowledge Sharing and Training
• Modern & lively working environment
• Opportunity to write books, participate in conferences
• International assignment
Job Description:
Mandatory Skills: Java, J2ee, spring, hibernate, spring mvc.
Preferred: Restful, microservices, spring boot.
Website: https://www.games24x7.com">https://www.games24x7.com
Read more about us here: [https://angel.co/company/fireflies](https://angel.co/company/fireflies) and here: [https://yourstory.com/2019/10/funding-startup-fireflies-enterprise-assistant-canaan-partners](https://yourstory.com/2019/10/funding-startup-fireflies-enterprise-assistant-canaan-partners)
We value your skills and abilities more than your resume.
Here's what we look for :
- You have raw intellectual horsepower and ability to learn quickly
- You have a strong background in computer science / math
- You contribute to open source (share your GitHub- More than 1000 commits in past year)
- You have experience working on apps that have supported 10,000+ concurrent users
- You understand sound architecture principals
- You can design and build scalable infrastructure
- You should be a great communicator and culture maintainer:
- We value over-communication and candid feedback and want to build a no-bs, results driven culture
Values that are important to us :
- You're data driven and customer focused
- You value fast & incremental engineering cycles
- You maintain design excellence and minimise complexity
- You measure your results & automate when possible
- You get 10% better at something every week
- You have an internal compass and take accountability & initiative
You'll be working with :
- Node.js, MongoDB
- Redis, RabbitMQ, Elasticsearch
- AWS, Docker, Terraform
- React, Keras, Tensorflow
About us :
- Fireflies.ai is an AI that joins meetings and takes notes automatically. [Product demo](https://app.fireflies.ai/view/ogM9zmKij2). We integrate with the leading platforms: Zoom, Google Meet, Microsoft Teams, Webex, Slack, Salesforce, & more https://fireflies.ai/integrations)).
- We are a US-based, AI company that is building a 100% remote team. Today we have over 40 employees in 5 countries around the world. Our engineering team is 20+ senior engineers. We were [featured on Forbes for Gartner's top 25 enterprise software startups to watch in 2020](https://www.forbes.com/sites/louiscolumbus/2020/07/05/gartners-top-25-enterprise-software-startups-to-watch-in-2020/). We skyrocketed from a few thousand users to almost 100,000 users in 2020.
[Fireflies.ai](http://fireflies.ai) has raised $5 million from top-tier investors including Canaan and angels from Slack, Dropbox, Amazon and Salesforce.
- You'll be working with Sam Udotong, CTO @ Fireflies.ai. Sam graduated from MIT in 2016 where he studied computer science and aerospace engineering. He and his co-founder Krish were [featured as the cover of Entrepreneur magazine in Sept 2020]
- He's been a [speaker at the MIT AI Conference 2020](https://www.youtube.com/watch?v=ywhY2DCIZqU) alongside industry leaders like Richard Socher and Sal Khan. He's guest lectured at Stanford for their intro to AI class. Sam is scrappy & committed - he and Krish bootstrapped the company for 3 years, eating Soylent and Domino's pizza almost every day. [Being Scrappy as an Entrepreneur (Product Demo)](https://app.fireflies.ai/view/vWQjdABHqU). He rejected Harvard Business School to build Fireflies. Sam's goal is to build a multi-regional, boundary-less engineering team that has A+ productivity & communication such that when you go to sleep, you can hand off work and when you wake up, work has already moved forward. If we do these first principles well, we can theoretically build the best engineering organisation in the world.
- We want to transform how people communicate and work. Come work with us if you share the below values and want to work on hard engineering challenges that will actually make a difference in the lives of people.
- We are an equal opportunity employer and strongly value diversity at our company, because our team will be stronger with different perspectives and experiences. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
- Work on building scalable backend platform for customer & seller apps, brands platform, demand generation platform, supply chain & logistics platform, credit platform and several cross platform software components
- Participate in the process to fundamentally change the food and grocery ecosystem in India, and impact billions of people through technology, mobile, and data science
Requirements:
An ideal candidate for this role is someone who has-
- BE/BTech degree in Computer Science from a top engineering school
- 1-5 years of professional software development experience
- Strong problem solving skills and strong command on object oriented design, data structures, algorithms and other computer science fundamentals.
- Strong coding skills - professional experience in developing production-quality software in Java/Python
- Expertise in Web Services, Service-oriented architecture, Databases, NoSQL, Distributed systems, Cloud Technologies.
- Extreme software engineering skills to design and develop low-latency, high availability, internet-scale web services
- Solid understanding of the full software development life cycle and software engineering best practices
- Ability to understand business requirements and translate them into technical requirements
- Demonstrated ability to own software design and development end to end from requirements to launch.
- Ability to collaborate with cross-functional teams to define, design, and ship new features.
- A startup mindset - An athlete who can run at breakneck speed of a startup, yet someone who can bring method to madness through processes suitable for different stages of the company - early stage prototyping and rapid experimentation, before product/market fit, after product/market fit, and scaling.
- Familiarity with Agile development, Scrums, continuous integration, and test driven development processes
- Data driven product development approach - strong focus on data backed engineering decisions.
- Ability to develop products incrementally in fast iterations
- Ability to do collaborative problem solving and design/build chaos resilient systems
- Strong focus on software quality
- Ability to mentor junior developers, and help build an excellent engineering team
- Ability to be a talent magnet - attract great talent to join the core team.











