Java Fullstack Developer

We are looking for engineers who love to build SaaS products to join our team.

This position is for a product we have been building for 7 years now, for a long term customer of ours. The Codebase is well maintained, with a rails backend and a react frontend. 

If you are someone who has invested time into writing reusable rails or react js components/libraries, who has written ruby gems or npm packages, you feel at home working with us.

Required Knowledge:

1. How Web backends or Rails works
2. Mastery over ORMs or Active Record Migrations, Validations
3. Good knowledge of writing encapsulated business logic
4. Multitenant architecture

Great to Have

• Open source npm packages or ruby gems
• Performance tuning for Apps
• Experience with cloud platforms such as AWS
• Ruby Metaprogramming knowledge
• Functional JS

Interview Format

1. Technical Round
2. Coding Round
3. Final Round

If you crack both rounds, you get the job. In case you decline the offer for any reason, we will give you a gift voucher for spending your valuable time with us.

In case you dont crack the question, we will tell you what to learn so that next time you will have a good chance :)

We are seeking a Full Stack Developer with exceptional communication skills to collaborate daily with our international clients in the US and Australia. This role requires not only technical expertise but also the ability to clearly articulate ideas, gather requirements, and maintain strong client relationships. Communication is the top priority.

The ideal candidate is passionate about technology, eager to learn and adapt to new stacks, and capable of delivering scalable, high-quality solutions across the stack.

Key Responsibilities

• Client Communication: Act as a daily point of contact for clients (US & Australia), ensuring smooth collaboration and requirement gathering.
• Backend Development:
• Design and implement REST APIs and GraphQL endpoints.
• Integrate secure authentication methods including OAuth, Passwordless, and Signature-based authentication.
• Build scalable backend services with Node.js and serverless frameworks.
• Frontend Development:
• Develop responsive, mobile-friendly UIs using React and Tailwind CSS.
• Ensure cross-browser and cross-device compatibility.
• Database Management:
• Work with RDBMS, NoSQL, MongoDB, and DynamoDB.
• Cloud & DevOps:
• Deploy applications on AWS / GCP / Azure (knowledge of at least one required).
• Work with CI/CD pipelines, monitoring, and deployment automation.
• Quality Assurance:
• Write and maintain unit tests to ensure high code quality.
• Participate in code reviews and follow best practices.
• Continuous Learning:
• Stay updated on the latest technologies and bring innovative solutions to the team.

Must-Have Skills

• Excellent communication skills (verbal & written) for daily client interaction.
• 2+ years of experience in full-stack development.
• Proficiency in Node.js and React.
• Strong knowledge of REST API and GraphQL development.
• Experience with OAuth, Passwordless, and Signature-based authentication methods.
• Database expertise with RDBMS, NoSQL, MongoDB, DynamoDB.
• Experience with Serverless Framework.
• Strong frontend skills: React, Tailwind CSS, responsive design.

Nice-to-Have Skills

• Familiarity with Python for backend or scripting.
• Cloud experience with AWS, GCP, or Azure.
• Knowledge of DevOps practices and CI/CD pipelines.
• Experience with unit testing frameworks and TDD.

Who You Are

• A confident communicator who can manage client conversations independently.
• Passionate about learning and experimenting with new technologies.
• Detail-oriented and committed to delivering high-quality software.
• A collaborative team player who thrives in dynamic environments.

• Must have 5 to 10 years of experience on building highly scalable web based enterprise applications using Java/J2EE, Javascript

• Must have experience on front end development using javascript, ReactJS

• Architect and co-create, a highly scalable, available, resilient & distributed applications and multi-tenant Platforms
• Highly hands on with coding/designing, troubleshooting, debugging, monitoring, leading and developing a large scale multi-tenant software components on the Platform in Agile based methodology to provide self-service capabilities (MUST HAVE)
• Must have knowledge of Data structures, must have ability to solve data structure programs on platforms like hakerrank, leetcode  (MUST HAVE)
• Proficiency in engineering practices and writing high quality code, with expertise in Java/J2EE.

• Exposure to NOSQL DB and Relational database

• Exposure to RabbitMQ ,Kafka and Redis Cache

• Working in a team environment, contribute significantly to application solution design and to the high-level design of application software.
• Detailed design, code and test of Cloud Platform software. Provide automated test software in conjunction with application software.

• Strong knowledge in .NET application development with hands-on experience in .Net core and azure.
• Good knowledge in front-end design (HTML5, CSS (SASS/LESS), Bootstrap, JQuery.
• Develop code based on design/architectural patterns, adhere to coding standards.
• Experience in developing and using RESTful Services and APIs.
• Knowledge of using Git and Version Control Systems.
• Testing and debugging with unit tests.
• Understanding of Agile methodologies. 
• Mandatory skills: NET Core, http://asp.net/" target="_blank">ASP.NET, C#, LINQ, Entity Framework, MS SQL, HTML5, JavaScript, jQuery.

• 1+ years of experience with development framework such as Tulip, PTC, etc.
• Understanding of the following concepts: relational data models, object-oriented programming concepts, event-driven programming concepts, source control, code repository, or version control concepts, coding standards, patterns, and best practices.
• General knowledge of business systems and processes
• Eagerness to consistently meet and exceed goals and objectives

Acrobyte Technologies, founded by an IIT Delhi alumni, has been Actively Learn's technology partner for over six years. Actively Learn is an educational technology company, based out of Seattle, USA, founded by a Harvard educated former Microsoft director and an education PhD who also founded a private school in Virginia.

We’ve built a digital, award-winning, reading platform, backed by the Bill and Melinda Gates Foundation and the National Science Foundation, that is used in over 45,000 schools and by 150,000 teachers in the USA and overseas. Actively Learn is part of Achieve3000, a leading education platform that provides differentiated reading and instruction with over 2 million students using the platform. Actively Learn also serves as the innovation arm, leading new technology initiatives for the company.

Technology Stack

React JS, Typescript, Backbone JS, Node JS, C#, .NET, MySql, AWS, Mocha and Chai, JMeter, Neoload Selenium, Katalon.

Job Requirements

• 2+ years JavaScript experience
• 2+ years frontend React JS framework experience
• 1+ years of backend development experience (Node JS, C# dot NET, Java, Python, etc)
• 2+ years relational database experience (MySql, MSSQL, or PostgreSQL)
• Computer Science or related Engineering degree from a top-tier college

Job Highlights

• Do you like solving real life problems using technology? Actively Learn is on a mission to make students read for depth. Come join us on our journey.
• We are a small and skilled team. You will get to learn the complete life cycle of building a successful product.
• Opportunity to play multiple roles on the Engineering team (front-end development, back-end development, testing, devops, automation) and develop those skills.
• We maintain the strictest and highest code quality standards and take pride in that. There will be a huge learning in how to think and write clean code.
• Being an efficient agile company we work on various technologies and part of the role will be to research latest technologies and lead implementation.
• Flexible and fun work environment focused on innovation and creativity. We work out of 91 Springboard, the biggest co-working space in India, which allows for networking and collaboration opportunities.
• Highly competitive salary.
• Opportunity to travel to USA and work closely with the Seattle team.

• Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance.
• Contribute in all phases of the development lifecycle.
• Write well designed, testable, efficient code.
• Ensure designs are in compliance with specifications.
• Prepare and produce releases of software components.
• Build and deploy on to AWS
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

HireSure.ai is a blockchain registry for job offers & employment history. Companies get transparent, immutable, and cryptographically verifiable job offers and employment history record stored in a secured cloud blockchain. HireSure companies experience significantly higher join ratio, better retention, a better brand perception, and better control on the hiring process. We are looking for passionate developers, willing to work in cutting edge technologies, and having experience in Django/Python.

• Work with the Product/ Business teams to get a full understanding of the requirements and propose creative and efficient solutions
• Come up with innovative solutions to the hurdles that confront us on a day-to-day basis.
• Troubleshoot, test, and maintain the core product software and databases to ensure strong optimization and functionality.
• Contribute in all phases of the development lifecycle.