
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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Wissen Technology is hiring for Java Tech lead
Required:
- 8-10 years of industrial experience
- Java and related frameworks.
- Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
- Exposure on Fintech domain is mandatory
- Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
- Good development experience with RDBMS
- Good knowledge of multi-threading and high volume server side development
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
Company Profile:
Company Name : Wissen Technology
Group of companies in India : Wissen Technology & Wissen Infotech
Work Location - Bangalore
Website : www.wissen.com
Wissen Thought leadership : https://www.wissen.com/articles/
LinkedIn: https://www.linkedin.com/company/wissen-technology
Job Summary
5-6 years of proven and progressive experience using Java, Spring Boot Web, OOP. Experience working with Kafka, Docker, Kubernetes CLI. A strong understanding of Object orientation, SOLID principles, Clean coding, and patterns is desirable.
Job Requirements
● Experience working with Java, Spring Boot Web, Gradle, OOP.
● Experience working with Kafka, Docker, Kubernetes CLI.
● Great OO skills, including strong design patterns knowledge. Understanding functional programming would be a plus.
● Strong understanding of TDD is desirable.
● You have led software development teams using Agile, Lean, and/or Continuous Delivery approaches such as TDD, continuous integration, pairing, and infrastructure automation.
● Passion for software engineering and craftsman-like coding process.
● Experience in developing applications integrating with RDBMS like Postgres.
Job Responsibilities
● You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
● You will work in collaborative, value-driven teams to build innovative customer experiences for our clients.
● Create large-scale distributed systems out of microservices.
● Efficiently utilize DevOps tools and practices to build and deploy software.
● You will oversee or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between.
● You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills.
Perks
● Work-Life Balance
● Skill Development
● Object Bootcamp
● Sabbatical Leave
● Parental Leaves
● Office Perks (Free Meal, Snacks)
● Challenging work
Culture
● Open Culture
● Flat Hierarchy
● 360-degree feedback
● Mentorship Program
● People Supportive
● Competitive & Friendly Environment
Roles and Responsibilities
1) Understand client requirements and functionalities.
2) Write well-designed, testable, efficient code.
3) Responsible for solving complex technical issues.
4) Ensure quality projects are delivered within defined timelines.
5) Active involvement in client communication to understand functional requirements.
6) Maintain high standards of quality for code, documentation and other deliverables.
At least 3 years' experience as a Node.js developer.
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in MongoDB and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.

Job Overview
We are looking for a talented Senior Backend Developer to join our team in developing backend servicing. As a key member of our development team, you will be responsible for cross-functional teams to design, develop, and maintain backend services and APIs using Node.js. The ideal candidate is passionate about distributed systems, has experience with backend services and is excited about optimising applications for performance, scalability, and reliability.
Responsibilities:
- Design, develop, and maintain backend services and APIs using Node.js.
- Collaborate with cross-functional teams to define requirements, architect solutions, and implement features.
- Write clean, modular, and maintainable code following best practices and coding standards.
- Optimise applications for performance, scalability, and reliability.
- Implement security measures to ensure data privacy and integrity in backend systems.
- Troubleshoot and debug issues to ensure smooth operation of production systems.
- Perform code reviews to maintain code quality, consistency, and adherence to coding standards.
- Stay updated with the latest trends and technologies in backend development, Node.js, and related ecosystems
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Proven experience in backend development, with at least 4 years of experience using Node.js.
- Strong understanding of data structures, algorithms, and software design principles.
- Experience with web frameworks such as Express.js.
- Proficiency in building RESTful APIs and microservices architecture.
- Familiarity with relational and NoSQL databases (e.g., MongoDB, PostgreSQL).
- Solid understanding of asynchronous programming and event-driven architectures.
- Experience with version control systems (e.g., Git) and collaborative development workflows.
- Excellent problem-solving, analytical, and troubleshooting skills.
- Ability to work independently and in a team environment, with excellent communication skills.
Node.js Developer Requirements:
1. Bachelor's degree in computer science, information science, or similar.
2. At least two years' experience as a Node.js developer.
3. Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
4. Knowledge of front-end technologies such as HTML5 and CSS3.
5. Superb interpersonal, communication, and collaboration skills.
6. Exceptional analytical and problem-solving aptitude.
7. Great organizational and time management skills.
8. Availability to resolve urgent web application issues outside of business hours.



Responsibilities:
- Design and create services and system architecture for your projects, while working.
- Closely with the product, design and engineering team.
- Participate in brainstorming sessions and contribute ideas to our technology, algorithms and products.
- Dive into difficult problems and successfully deliver results on schedule.
- Own services related to OkCredit features in active development.
- Develop and deploy required services responsible for evolution of the overall product.
- Do server side development in golang/python preferably (or any other language).
- Deploying stuff in production in docker containers.
- Write tests.
- Invent awesome stuff to make your job easier
- Motivation to design and build reliable, elegant backend services.
- At least 2 - 5 years of backend development experience.
- Proficiency in GoLang is MANDATORY.
- Familiarity with infrastructure concepts related to docker, kubernetes is preferred.
- Familiarity with Protocol buffers. Protocol buffers are now OkCredit's lingua franca for data.
- Familiarity with message-oriented middleware like rabbitmq, google pubsub.
- Familiarity with cloud platforms like gcp, aws etc.
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 3 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
Role / Purpose - Lead Developer - API and Microservices
Must have a strong hands-on development track record building integration utilizing a variety of integration products, tools, protocols, technologies, and patterns.
- Must have an in-depth understanding of SOA/EAI/ESB concepts, SOA Governance, Event-Driven Architecture, message-based architectures, file sharing, and exchange platforms, data virtualization and caching strategies, J2EE design patterns, frameworks
- Should possess experience with at least one of middleware technologies (Application Servers, BPMS, BRMS, ESB & Message Brokers), Programming languages (e.g. Java/J2EE, JavaScript, COBOL, C), Operating Systems (e.g. Windows, Linux, MVS), and Databases (DB2, MySQL, No SQL Databases like MongoDB, Cassandra, Hadoop, etc.)
- Must have experience implementing API Service architectures (SOAP, REST) using any of the market-leading API Management tools such as Apigee and frameworks such as Spring Boot for Microservices
- Should have Advanced skills in implementing API Service architectures (SOAP, REST) using any of the market-leading API Management tools such as Apigee or similar frameworks such as Spring Boot for Microservices
- Appetite to manage large-scale projects and multiple tracks
- Experience and knowhow of the e-commerce domain and retail experience are preferred
- Good communication & people managerial skills

A Fintech start up company that bridges the gap between the digital payments
and the micro-retailing industry of the market. A nexus for the B2B sector providing multi-utility services via an Android app, enabling the micro-retailers across India to revolutionize their business and thus providing them with an opportunity to generate more revenue by offering multiple micropayment and digital services at their offline store. We intend to leverage the mode of smartphone technology in the rural and urban markets across India, thus empowering micro-retailers and creating a sustainable self-employment for this segment.
Overall Competencies:
1. Tech Depth/Breadth/Problem Solving.
2. Design & Architecture (Code/Design review).
3. Team Management.
Leadership Competency:
- Managing & mentoring a team.
- Ability to deliver projects/sprints on time.
- Obsessed with quality: Design reviews, code reviews, testing (system/performance).
- Spending at least 50% time with hands-on coding while doing the above Programming.
Tech Competency:
- Hands-on with Python/Django/Flask.
- Knowledge of PHP & Laravel is a plus.
- Experience with any JavaScript framework (Angular / React ).
- Prior experience in micro-services based architecture.
- Good understanding of SQL (MySQL, Postgres, or similar).
- Good understanding of one no-SQL (MongoDB / DynamoDB etc).
- Comfortable producing and refactoring code without assistance.
- Can reason about the complexity of algorithms (time and space).
- Basic CI/CD and DevOps.
- Experience in Docker & Kubernetes.
- Design, QA, and Infrastructure.
- Knowledge of design patterns and cloud scaling.
- AWS & GCP experience. AWS is mandatory.
- Understands BDD/TDD/Performance/Security/Smoke testing/Unit Testing
- Understands REST principles and Microservices
- Understands version control & branching strategies
- Understands application security fundamentals and potential security risks
Education: Bachelors in Computer Science|


In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and an excellent communicator. If you are also passionate about the .NET framework and software design/architecture, we- d like to meet you.
Your goal will be to work with internal teams to design, develop and maintain software.
Responsibilities and Duties :
- Writing clean, scalable code using .NET programming languages.
- Build high-quality scalable and predictable web applications on the .NET Technology stack and maintain internal and external facing web applications.
- Creating and integrating services and APIs using Web API 2 for various products and applications.
- Working on system architecture and databasing in MongoDB, MySQL, and NoSQL.
- Make regular modifications to existing software for error correction, adaptation to new hardware, and improving overall function and performance
- Evaluate new code for reliable architecture, stability, reusability, performance, automation, security, and metrics
- Using JSON to store and transport data.
- Working with other team members and the team lead using Project Management Tools and Version Source Control to create industry-leading technological products.
Skills required:
- 1 - 3 years of experience in MongoDB.
- Knowledge about AWS Cloud is an added advantage.
- Knowledge of .NET development and lifecycle methods in C# Language.
- Experience in making Web API 2 including routes, class components, async methods, parallel programming, authentication, and authorization, etc.
- Experience and hands-on knowledge of data management methods with MongoDB, MySQL, or NoSQL, etc.
- Should have experience and understanding of using JSON.
- Familiarity with working with .NET Framework, JavaScript, HTML. Knowledge of .NET Core is preferred.
- Knowledge and experience working with AWS Cloud and cloud computing techniques is an added advantage, but not a requirement.
- Having a BSc Degree in Computer Science is optional but should have some educational knowledge of computer science.

