
Good understanding and experience of HTML / CSS / JavaScript.
Hands-on experience with ES6 / ES7 / ES8 features.
Thorough understanding of the Request Lifecycle (including Event Queue, Event Loop,
Worker Threads, etc).
Familiarity with security principles including SSL protocols, data encryption, XSS, CSRF.
Expertise in Web Services / REST APIs will be beneficial.
Proficiency in Linux and deployment on Linux are valuable.
Knowledge about ORM like Sequelize and ODM like Mongoose and the ability to handle
DB transactions is a necessity.
Experience with Angular JS / React JS will be an added advantage.
Expertise with RDBMS like MySQL / PostgreSQL will be a plus.
Knowledge of AWS services like S3, EC2 will be helpful.
Understanding of Agile and CI/CD will be of value.

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Job Title: Lead Backend Web App Developer
Experience: 10–15 Years
Location: Bengaluru (Hybrid)
Role Overview:
We are seeking an experienced Lead Backend Web App Developer to design and maintain scalable, cloud-based backend systems. This role demands expertise in microservices, AWS, and backend technologies to deliver efficient and high-performing applications.
Key Responsibilities:
- Build and maintain scalable backend systems for cloud-based web applications.
- Develop microservices using AWS (Lambda, SQS, SNS) and databases (MySQL, NoSQL).
- Design and implement REST APIs for seamless communication between systems.
- Create containerized solutions with Docker for efficient deployment.
- Solve real-world problems with enterprise-class product designs.
- Contribute to key decisions on product and technology direction.
- Promote frameworks, standards, and new technologies within the team.
Required Skills:
- Experience: 10+ Years in Backend Development; 3+ Years in large-scale, microservices-based projects.
- Backend Technologies: Proficiency in Python, Node.js, and Java.
- Cloud Expertise: Strong experience with AWS services (Lambda, SQS, SNS).
- Database Skills: Expertise in MySQL and NoSQL databases.
- Microservices Architecture: Deep understanding of distributed systems and scalability.
- DevOps Tools: Hands-on experience with Docker.
- API Development: Proven expertise in designing and consuming REST APIs.
- Soft Skills: Excellent problem-solving and communication abilities.
Why Join Us?
- Work on impactful projects with real-world applications.
- Solve complex problems in a dynamic, fast-paced environment.
- Collaborate with a team of skilled professionals.
Treflo is looking for an Engineering Lead to join our Product Development team and work on the financial revolution triggered by the dawn of Cryptocurrencies and Smart contracts along with us. As Engineering Lead, you will be leading the Tech teams focused on Building Web 3 products along with the Product Team to ensure smooth execution of Specifications, provide engineering and product development inputs, oversee the company's technical team, analyze briefs, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals. We see successful Leadership as always expanding their industry knowledge and ability to quickly identify problems, understand accountability, and trustworthiness, and be able to build lasting relationships with their teams.
Responsibilities
Determining project requirements and developing work schedules for the team. Delegating tasks and achieving daily, weekly, and monthly goals. Analyzing existing operations and scheduling training sessions and meetings to discuss improvements. Up to date with industry news and emerging best practices and technologies. Working closely in collaboration with the business, product, and design teams. Provide guidance on best implementation. Product Oriented Thinking - should come up with ideas to improve our product continuously and marshal resources at hand.
Requirements
Bachelor's degree in Computer Science, Software Engineering, Information Technology, or related field. Minimum 4+ years of proven experience in deploying and maintaining Products. Minimum 1+ years of experience building and managing teams. Experience in Web3 stack with a clear understanding of concepts like decentralization, EVM, and cross-chains. Experience with Blockchain development - Smart Contracts, Solidity, Move, Haskell or WASM, etc. Expertise in frontend and backend tech stack - Node JS, Express, Typescript, Solidity, Smart Contracts, ReactJS, Android, Blockchains, Data structures, and Algorithms. Expertise in Databases like MongoDB & MySQL. Experience with solutions like Digital Ocean, Kubernetes, AWS, Docker, etc. Strong leadership, team building, hiring, and organizational abilities.
Desired Skills and Experience Blockchain,JavaScript,Node.js,React.js
Overview
At Quizizz, we are building engaging learning experiences for teachers and students. Our mission is to motivate every learner and help them achieve their true potential. We are among one of the fastest-growing Edtech platforms globally and are currently used by 80% of the US schools every month, serving over 70M monthly actives around the world. Our goal is to reach every classroom around the world.
Quizizz has a passionate user base—We have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform. Check out our https://twitter.com/search?f=tweets&vertical=default&q=quizizz&src=typd" target="_blank">Twitter page to see all the love shared by our users.
We are a venture-backed and profitable company creating a meaningful impact in K-12 education. We are a small, passionate, global team working on challenging problems to improve education. Look forward to using the latest technologies, fast development, and interacting with users to build delightful product experiences.
What the future holds
- You will architect, build, scale, backend system that powers our applications which are loved and used by millions of learners every day.
- You will work closely with a cross-functional team consisting of strategy, design, development, and program managers to determine how to design scalable backend systems and APIs to meet their needs.
- You possess a passion for improving techniques, processes, tracking, and continuously improving our engineering practices.
Requirements
- You will be utilizing technologies like Redis and Websockets to create a high-reliability, low-latency API that will handle massive multiplayer sessions.
- You will be building a database layer using MongoDB to efficiently store/retrieve large amounts of data.
- You will be setting up suitable backup and redundancy measures for maintaining 100% uptime for all our mission-critical services.
- You will be logging all data, and setting up jobs to generate analytics reports that will drive all our decisions.
Benefits
At Quizizz, we have built a world-class team of talented individuals. While we all care deeply about our work, we also ensure that we maintain a healthy work-life balance. Our policies are designed to ensure the well-being and comfort of our employees. Some of the benefits we offer include:
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support including travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious Meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.
Requirements
- Bachelor's degree in Computer Science or related field or equivalent experience
- 2+ years of Full Stack development experience using NodeJs
- Knowledge of relational databases (PostgreSQL, MySQL, etc. )
- Experience designing and developing REST APIs
- Strong analytical and communication skills
- Eager to learn new technologies
- Strong fundamental knowledge of object-oriented programming, data structures, algorithms, and performance
- Hands-on experience with agile practices, including coding standards, reviews, build process, testing, and code control management.
- Infrastructure experience including AWS, Jenkins, Docker, Kubernetes and CI/CD configuration and deployment is ideal.
- Our development team is looking for an experienced full-time Full Stack Developer to join our fast-growing organization.
- As part of the development team, you will be maintaining, enhancing, designing, developing, testing, and documenting on both the client and server-side of our products.
- The ideal candidate is an innovative problem solver, who has excellent communication and teamwork skills.
- NodeJS, React JS
- Docker, AWS
- Full stack development on cutting edge technology in Fintech domain.
- Ownership of complete backend code.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Server-side programming experience. We prefer ability over experience
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real-time projects in backend with node.js and express.js
As an Associate Software Engineer, you will have the opportunity to collaborate on the creation and maintenance of scalable, high-quality software as we grow. You'll work closely with the CTO and quickly gain skills and responsibilities as the team and the technical requirements grow.
Primary Responsibilities
- Develop RESTful APIs leveraging Django classes, ORM and Postgres Database
- Develop solutions that meet business objectives while leveraging industry best practices
- Write high-quality source code to program complete applications within deadlines
- Troubleshoot and debug applications
Technical Competencies
- Expertise with Python language
- Experience with Django: maintaining APIs
- Familiarity using Git, code repositories, branching and merging strategies
- Ability to break down complex concepts, tasks, or problems into more simple, understandable language and action plans
- Excellent communication skills, and attention to detail
- Good Documentation skills
Perks
- Work from home
- Flexible work schedule
- Flexible standup meetings
Interview Process
- Two technical rounds with Senior Developer and CTO
- Cultural Fit interview with Project Manager
Please do not apply if you don't have professional Django work experience.
Design themes using HTML, CSS/SASS, Bootstrap, and WordPress.
Maintain existing WordPress client sites.
QA sites during staging and after deployment.
Create clean, DRY, and reusable code.
Keep yourself and the team up to date with JIRA kanban flow work boards.
Work with Lead and junior developers as a team from start to finish.
Responsibilities and Duties
Fluency with WordPress, PHP, MySQL, HTML5, CSS/SASS, and Frameworks with Responsive design.
PHP frameworks knowledge and MVC understanding
Skilled working with vanilla JavaScript, jQuery, and other JavaScript libraries (Angular or React)
Knowledge of version control (GIT).
Attend meetings with in-house account managers and project leads to discuss technical requirements, timeframes, mockups/wireframes and scope of work.
Working both independently and with other developers.
Ability to work on multiple projects at the same time.
Adhering to best practices, comments in code, and documentation.
2+ year of experience with WordPress and PHP.
Willingness to learn Advance WP CMS and Liquid templating for custom theme development.
Experience building custom themes, plugins, and widgets.
Experience working with third-party APIs - SOAP, REST and other (Facebook and Twitter).
Required Experience and Qualifications
Key Skills
Strong knowledge of web performance optimization, caching. Experience working with WP Engine Server Environment. Benefits Additional Notes We are offering amazing career growth opportunities, great compensation, and benefits. This begins with: - weekly lunches, alternate weekends-off, annual medical checkups, social engagement, financial assistance and more.
Required Experience and Qualifications
3 to 4 Years of working experience in WordPress is required.
Benefits
Perks, Benefits & Culture:
We are offering amazing career growth opportunities, great compensation, and benefits. This begins with -
- weekly lunches
- alternate weekends-off
- Half-day working Saturdays
- annual medical checkups
- Social engagement
- financial assistance
- Diwali Bonuses
- and more...











