
About Quantela
We are a technology company that offers outcomes business models. We empower our customers with the right digital infrastructure to deliver greater economic, social, and environmental outcomes for their constituents.
When the company was founded in 2015, we specialized in smart cities technology alone. Today, working with cities and towns; utilities, and public venues, our team of 280+ experts offer a vast array of outcomes business models through technologies like digital advertising, smart lighting, smart traffic, and digitized citizen services.
We pride ourselves on our agility, innovation, and passion to use technology for a higher purpose. Unlike other technology companies, we tailor our offerings (what we can digitize) and the business model (how we partner with our customer to deliver that digitization) to drive measurable impact where our customers need it most. Over the last several months alone, we have served customers to deliver outcomes like increased medical response times to save lives; reduced traffic congestion to keep cities moving and created new revenue streams to tackle societal issues like homelessness.
We are headquartered in Billerica, Massachusetts in the United States with offices across Europe, and Asia.
The company has been recognized with the World Economic Forum’s ‘Technology Pioneers’ award in 2019 and CRN’s IoT Innovation Award in 2020.
For latest news and updates please visit us at www.quantela.com
Overview of the Role
Collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high quality web applications and services by writing clean and modular code
Must have Skills
- 10+ years of experience in leading teams and delivering product, write unit and integration tests to ensure robustness and reliability of web applications and services.
- Measure and improve performance of microservices.
- Catalyze growth within the team through code reviews and pair programming to maintain high development standards Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
- Expert level of experience in design and development of Web Applications, highly scalable distributed systems.
- Should have experience in development skills using latest technologies including NodeJS, Microservices, Elastic search, Timescale DB, Kafka, Redis, etc.
- Should have exposure in NoSQL and SQL development.
- Comprehensive knowledge of physical and logical data modelling, performance tuning.
- Should possess excellent communication, presentation, and interpersonal skills.
- Ability to work collaboratively and productively with globally dispersed teams
- Build high performance teams and Coach team for successful career growth
- Experience working with relational and non-relational databases, query optimization, and designing schema
Desired Background
Bachelors/Masters degree in Computer Science or Computer Applications

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Job Title: Senior Java Developer
Location: Mumbai (On-site)
Notice Period: Immediate Joiners Preferred / 15 Days or Less
Job Description:
We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.
Key Responsibilities:
- Lead end-to-end design, development, and deployment of Java applications
- Translate functional and technical requirements into detailed design
- Build scalable, secure, and high-performing applications
- Develop and consume RESTful APIs and ensure seamless integration
- Implement microservices architecture and containerized deployments
- Write clean, efficient, and well-documented code
- Perform code reviews, debugging, and performance tuning
- Collaborate with DevOps for CI/CD and production deployments
- Guide junior developers and conduct knowledge-sharing sessions
- Stay updated on new technologies and industry trends
Required Technical Skills:
- Languages & Frameworks:
- Core Java, J2EE
- Spring Framework (Spring Boot, Spring MVC, Spring Security)
- Hibernate / JPA
- Apache Maven / Gradle
- API Development & Integration:
- RESTful APIs, JSON, Swagger/OpenAPI
- Databases:
- MySQL, PostgreSQL, Oracle
- MongoDB, Redis (preferred)
- Frontend Exposure (Optional but Preferred):
- HTML, CSS, JavaScript, jQuery
- Angular / React
- Tools & Platforms:
- Git, GitHub / GitLab / Bitbucket
- Jenkins, Docker, Kubernetes (basic knowledge)
- SonarQube, Log4j, ELK stack (preferred)
- Cloud & DevOps (Good to Have):
- AWS (EC2, S3, Lambda, RDS), Azure or GCP
- CI/CD pipeline setup
- Architecture & Patterns:
- Microservices, MVC, Design Patterns
- Event-driven architecture (Kafka/RabbitMQ is a plus)
- Testing:
- JUnit, Mockito
- Postman, REST Assured
Soft Skills:
- Excellent problem-solving and debugging skills
- Strong communication and collaboration abilities
- Ability to lead and mentor a team
- Time management and task prioritization
- Adaptable and quick learner
Qualifications:
- Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
- 5+ years of relevant software development experience
- Relevant certifications (Oracle Java, AWS, PMP) are a plus
Eligibility Criteria:
- Must be currently residing in Mumbai
- Must be able to join within 15 days or less
- Immediate joiners preferred


ABOUT UNRAVEL CARBON
Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.
We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.
Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.
We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch.
Unravel Carbon was founded in 2021 with headquarters in Singapore.
Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/
ABOUT THE ROLE
We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.
A junior/mid-level backend software engineer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets. Must be passionate about climate-tech for a better future.
- Build backend server applications using Flask/DJango framework
- Collaborate with the data team to integrate data pipelines into our backend system.
- Collaborate with the front end team.
- Analyze processes and code to troubleshoot problems and identify areas of improvement.
- Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
- Take lead on projects, as needed.
ABOUT YOU
- Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
- Meticulous and detail-oriented
- Required skills:
- Python Backend Development Frameworks (Flask, Django). Backend development in other languages/frameworks can be considered too
- NoSQL databases (MongoDB)
- SQL databases (MySQL, Postgres, DuckDB)
- Running/managing Linux servers on Cloud services (AWS/GCS/Azure)
- Optional skills:
- Front End Web development (ReactJS)
- Python data science tools (Pandas, Numpy, Scipy)
- Python NLP tools
YOUR WORK STYLE
- An understanding of agile product development
- Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
- Self-starter (proactive and independent) with an ability to prioritize different assignments and tasks to meet deadlines
- Comfortable working in a collaborative environment
- Eager to think outside of the box and creatively problem-solve
YOUR PREFERRED BACKGROUND
A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry.
WHAT WE OFFER YOU
We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organization.
We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.
Backend Developer2-3 years
Node.js+MOngoDb Backend Developer
Develop,Debug Deploy..All Individually!
Product Based Companies
Individual Backend-COntributors
WOrked and Designed Scalable Micro Service Architecture
Worked and Deployed on AWS ,Google Cloud Functions
Socket Programming is added advantage
Experience in FIntech COmpanies preferred
Radisys Corporation, a global leader in open telecom solutions, enables service providers to drive disruption with new open architecture business models. Our innovative technology solutions leverage open reference architectures and standards, combined with open software and hardware, to power business transformation for the telecom industry. Our services organization delivers systems integration expertise necessary to solve complex deployment challenges for communications and content providers.
Job Overview :
We are looking for a Lead Engineer - Java with a strong background in Java development and hands-on experience with J2EE, Springboot, Kubernetes, Microservices, NoSQL, and SQL. As a Lead Engineer, you will be responsible for designing and developing high-quality software solutions and ensuring the successful delivery of projects. role with 7 to 10 years of experience, based in Bangalore, Karnataka, India. This position is a full-time role with excellent growth opportunities.
Qualifications and Skills :
- Bachelor's or master's degree in Computer Science or a related field
- Strong knowledge of Core Java, J2EE, and Springboot frameworks
- Hands-on experience with Kubernetes and microservices architecture
- Experience with NoSQL and SQL databases
- Proficient in troubleshooting and debugging complex system issues
- Experience in Enterprise Applications
- Excellent communication and leadership skills
- Ability to work in a fast-paced and collaborative environment
- Strong problem-solving and analytical skills
Roles and Responsibilities :
- Work closely with product management and cross-functional teams to define requirements and deliverables
- Design scalable and high-performance applications using Java, J2EE, and Springboot
- Develop and maintain microservices using Kubernetes and containerization
- Design and implement data models using NoSQL and SQL databases
- Ensure the quality and performance of software through code reviews and testing
- Collaborate with stakeholders to identify and resolve technical issues
- Stay up-to-date with the latest industry trends and technologies
Responsibilities:
- Experience and working knowledge of Java 8, Hibernate, Spring Boot, Microservices and REST API is mandatory
- Expert understanding of the object-oriented design and programming concepts
- Strong problem solving skills, data structures and algorithms and multithreading
- Good understanding of AWS and cloud-native technologies
- Knowledge of AWS services - RDS, DynamoDB, Elastic Search, Kinesis. Experience of working with AWS SDK is preferred.
- Good understanding of CI/CD and Jenkins pipeline
- Experience of writing unit tests using Junit/Mockito
- Knowledge of Integration Testing framework like Cucumber is required.
- Proficient in Git commands and branching concepts
- Two years' experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Knowledge of front-end technologies such as HTML5 and CSS3.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Bachelor's degree in Computer Science or a related field with 2-5 years hands-on experience with Java based open source tech stack
- Expertise in Core Java, Data Structures, J2EE with proven expertise in Spring MVC, Spring boot, Microservices architecture, Web Services (Rest) in distributed systems
- Practical experience with MySQL and /or NoSQL databases like Couchbase, DynamoDB, Cassandra
- Practical experience with Caching frameworks Memcached/Redis, Message Queues (JMS, RabbitMQ)
- Practical hands-on experience in JavaScript UI preferred
- Experience in building high performance, high availability REST APIs and REST clients
- Expertise with log file analysis using one or more of ELK, or Splunk
- Prior experience with CI/CD, Container architecture - Docker/Jenkins and build scripts Maven/Ant
- Prior experience in transformation to cloud platforms is preferred
- Experience with Kafka is a definite plus
- Experience with building analytics pipeline and analytics DB is a plus
- Strong practical experience in applying design patterns, multithreading concepts to solve complex problems, strong problem solving skills
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
- 2+ years of experience with Node.js/Express.js or similar framework
- 1+ years of experience with MongoDB
- 1+ years of experience creating REST APIs and backend systems
- Experience with Docker is a plus
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Server Setup/AWS/GCP experience is a plus
- Creating APIs and backend systems
- Scraping sites and creating backend dashboards for data management
- Backend infrastructure management and deployment
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years of experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.

Our client is a revolutionary Educational services platform, that brings in innovation and expertise in their ways of learning. Awarded as one of the best Google apps of 2017, the app provides students with a variety of online courses that cover K12 subjects, Entrance exams, Engineering and FInance stream topics, as well as Self-help notes.
Their unique and simple AI based site and app feature 500+ courses, nearly a lakh videos and tests, and also imparts strength and weakness analysis for the students to improve their knowledge base. The 5yr old organisation is one of the most loved ed-tech platforms that reaches more than 4.5Mn registered users.
- Planning and implementing company's application and data model structures for scalability.
- Maintaining central databases, ensuring high performance, and responding to requests from the front-end.
- Developing reusable code and libraries for future use. Building for new features and maintaining the present ones.
- Implementing comprehensive security and data protection.
- Has 2-5 years of experience working on a growth stage product, where they first scaled from 0 to 1 and then 1 to n.
- You have studied Computer science (or a similar degree) from a Tier 1 college OR have a great set of experiences working at products that scaled massively.
- You understand product and database architecture like you understand basic Maths and have worked on it for 3 to 7 years. Further, you know how to optimise AWS/ GCP for both efficiency and cost.
- You have experience in managing a team and setting up the best processes / practices (1yr+ Engineering Manager experience)
- You are deeply driven for creating an impact. You obsess over doing things the right way, and you enjoy writing beautiful code.
- Though technology stack is not the primary concern, we would value some experience in C#/ Visual Studio, RDS/ MySQL, ElasticSearch, System Architecture and general AWS solutions.
- Ownership: Absolute ownership of the product and your code, with relentlessness to deliver with speed and precision.
- Dynamic & Resourceful: Should be comfortable in dealing with lots of changes in a fast paced environment. Super willing to learn new technologies and systems. And resourceful and inventive in the face of every problem.
- Deep Love for coding: You write code because you love doing it and not just because it's a job for you.
- Perfection/ Obsession/ Hygiene: You deeply understand & achieve perfection in even the 'small' features. And you deeply care about the quality of your code.
- Good eye for usability & design and willing to put-in extra effort for delivering the best user experience.
- Creating Algorithms that can change the game: Should understand requirements and design algorithms accordingly.
- Driven by Data: Strong analytical and troubleshooting skills leveraging/finding all data available.
- Team player: Keeps the team over themselves. Has a knack for influencing without being authoritative. Goes out of the way to help wherever the team needs them.


Why join the navy when you can be the pirate?
Get onboard this ship & let's make KYC and onboarding easier than ever!
We want to ensure that our tech is successfully consumed by end users easily.
We are looking forward to work with you.
We would love to have you for the following reasons :
- Strong hold in python based backends such as Flask & Django
- Knowledge of backend principles, patterns, and best practices
- Aware of the open-source ecosystem and the libraries available.
- Proficient understanding of Git
- Must have written Unit, Integration and UI Test Cases
- Understanding of Cloud hosting (AWS,Azure) principles and interface guidelines
- Experience in working with distrubuted data using REST APIs, JSON and other technologies
- Potential interns with experience in containers will hold an advantage.
- Experience in Kafka & ELK will be an advantage.
- Experience of 1-2 years.

