
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

Similar jobs
About NonStop io Technologies:
NonStop io Technologies is a value-driven company with a strong focus on process-oriented software engineering. We specialize in Product Development and have a decade's worth of experience in building web and mobile applications across various domains. NonStop io Technologies follows core principles that guide its operations and believes in staying invested in a product's vision for the long term. We are a small but proud group of individuals who believe in the 'givers gain' philosophy and strive to provide value in order to seek value. We are committed to and specialize in building cutting-edge technology products and serving as trusted technology partners for startups and enterprises. We pride ourselves on fostering innovation, learning, and community engagement. Join us to work on impactful projects in a collaborative and vibrant environment.
Brief Description:
NonStop io is seeking a proficient Java Developer to join our dynamic team. In this role, you will contribute to designing, developing, and maintaining high-quality Java-based applications. You will work closely with cross-functional teams, ensuring the delivery of robust and scalable software solutions.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
. Sound knowledge of NoSQL databases like mongo.
. Experience with replication , sharding and scaling.
. Design, install, maintain highly available systems (includes monitoring, security, backup, and performance tuning)
. Implement secure database and server installations (privilege access methodology / role based access)
. Help application team in Cyper query writing, performance tuning & other D2D issues
• Deploy automation techniques for d2d operations
. Must possess good analytical and problem solving skills
. Must be willing to work flexible hours as needed
. Scripting experience a plus
. Ability to work independently and as a member of a team
. Strong verbal and written communication skills
About the Role
As a result of our rapid growth, we are looking for a Java Backend Engineer to join our existing Cloud Engineering team and take the lead in the design and development of several key initiatives of our existing Miko3 product line as well as our new product development initiatives.
Responsibilities
- Designing, developing and maintaining core system features, services and engines
- Collaborating with a cross functional team of the backend, Mobile application, AI, signal processing, robotics Engineers, Design, Content, and Linguistic Team to realize the requirements of a conversational social robotics platform which includes investigate design approaches, prototype new technology, and evaluate technical feasibility
- Ensure the developed backend infrastructure is optimized for scale and responsiveness
- Ensure best practices in design, development, security, monitoring, logging, and DevOps adhere to the execution of the project.
- Introducing new ideas, products, features by keeping track of the latest developments and industry trends
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
Requirements
- Proficiency in distributed application development lifecycle (concepts of authentication/authorization, security, session management, load balancing, API gateway), programming techniques and tools (application of tested, proven development paradigms)
- Proficiency in working on Linux based Operating system.
- Proficiency in at least one server-side programming language like Java. Additional languages like Python and PHP are a plus
- Proficiency in at least one server-side framework like Servlets, Spring, java spark (Java).
- Proficient in using ORM/Data access frameworks like Hibernate,JPA with spring or other server-side frameworks.
- Proficiency in at least one data serialization framework: Apache Thrift, Google ProtoBuffs, Apache Avro,Google Json,JackSon etc.
- Proficiency in at least one of inter process communication frameworks WebSocket's, RPC, message queues, custom HTTP libraries/frameworks ( kryonet, RxJava ), etc.
- Proficiency in multithreaded programming and Concurrency concepts (Threads, Thread Pools, Futures, asynchronous programming).
- Experience defining system architectures and exploring technical feasibility tradeoffs (architecture, design patterns, reliability and scaling)
- Experience developing cloud software services and an understanding of design for scalability, performance and reliability
- Good understanding of networking and communication protocols, and proficiency in identification CPU, memory & I/O bottlenecks, solve read & write-heavy workloads.
- Proficiency is concepts of monolithic and microservice architectural paradigms.
- Proficiency in working on at least one of cloud hosting platforms like Amazon AWS, Google Cloud, Azure etc.
- Proficiency in at least one of database SQL, NO-SQL, Graph databases like MySQL, MongoDB, Orientdb
- Proficiency in at least one of testing frameworks or tools JMeter, Locusts, Taurus
- Proficiency in at least one RPC communication framework: Apache Thrift, GRPC is an added plus
- Proficiency in asynchronous libraries (RxJava), frameworks (Akka),Play,Vertx is an added plus
- Proficiency in functional programming ( Scala ) languages is an added plus
- Proficiency in working with NoSQL/graph databases is an added plus
- Proficient understanding of code versioning tools, such as Git is an added plus
- Working Knowledge of tools for server, application metrics logging and monitoring and is a plus Monit, ELK, graylog is an added plus
- Working Knowledge of DevOps containerization utilities like Ansible, Salt, Puppet is an added plus
- Working Knowledge of DevOps containerization technologies like Docker, LXD is an added plus
- Working Knowledge of container orchestration platform like Kubernetes is an added plus
- Role: IoT Application Development (Java) Skill Set:
- Proficiency in Java 11.
- Strong knowledge of Spring Boot framework.
- Experience with Kubernetes.
- Familiarity with Kafka.
- Understanding of Azure Cloud services.
1 Experience: 3 to 5 years Location: Bangalore ; Notice period : Immediate Joiners
- Job Description: We are seeking an experienced IoT Application Developer with expertise in Java to join our team in Bangalore. As a Java Developer, you will be responsible for designing, developing, and deploying IoT applications. You should have a solid understanding of Java 11 and the Spring Boot framework. Experience with Kubernetes and Kafka is also required. Familiarity with Azure Cloud services is essential. Your role will involve collaborating with the development team to build scalable and efficient IoT solutions using Java and related technologies.
Location: Hyderabad, India
Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto “Building Success Together®,” Nisum has grown to over 1,400 professionals across the United States, Chile, India, and Pakistan. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve direct business growth by building the advanced technology they need to reach end customers in today’s world, with immersive and seamless experiences across digital and physical channels.
What You’ll Do
Coding in Java8, Spring, Microservices, WebFlux/Reactive Programing, Rest services, Kafka, PCF, Azure, Spring Cloud Config and NoSQL technologies.
Solve technical problems using cutting-edge technologies and best practices.
Ensure code meets the required development standards and is optimized for performance.
Unit testing for each line of new code introduced (JUnit/Mockito)
Peer code review process using GIT pull requests and Crucible (for SVN)
Propose multiple solutions to a problem, show how one option is better than another.
Ensure all aspects of technical design are correctly incorporated.
Contribute in research and implementing POC’s as required.
Collaborating with onsite team in scrum ceremonies.
Who you are
Senior developer using technical skills in Java8, J2EE, Spring boot(rest services), Web Services(Rest & SOAP), WebFlux, Spring Cloud Config, Maven/Gradle, JUNIT/TestNG, Mockito/JMock/EasyMock, JIRA, XML, JSON, EhCache/MemCache/Redis with skills in JMS, Kafka
Experience with hands on any one of the cloud platforms like PCF, Azure
Need hands on skills using NoSQL databases (Cassandra, MongoDB), SQL(Oracle/DB2/MySQL)
Experience with UI development skills to the level of debugging and enhancements.
Experience with expertise in code quality and coding standards.
Need to applying different design patterns, especially GoF, J2EE and Integration design patterns.
Making sure implementing unit testing for each line of new code introduced (JUnit/Mockito).
Ensuring the code meets the required development standards and is optimized for performance.
Education
Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience.
Role and Responsibilities:
- As a backend developer, your primary focus will be the development of all server-side systems
- A basic understanding of front-end technologies is necessary as well. You will test, secure and deploy your code
- Work experience on Node.js is a must along with a server-side framework like Express.js
- Strong proficiency in JavaScript
- Writing reusable, testable, and efficient code
- Experience and proficiency integrating with REST APIs
- Understanding of scalable computing systems, software architecture, data structures, and algorithms
- Experience in working with databases such as MongoDB, Redis, Elasticsearch, etc.
- AgileScrum development cycle understanding.
Skills Required:
- At least 2 years of experience developing backends using NodeJS should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Good knowledge of MongoDB(Must) & any other MySQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience developing and deploying REST APIs.
- Knowledge and working experience in Cloud environment - AWS or Azure
- Good knowledge of Unit Testing and available Test Frameworks.
- Should be a fast learner and a go-getter without any fear of trying out new things
Advanced proficiency in MEAN Stack (NodeJS, MongoDB, Express, Angular JS)
Proficiency and hands-on experience with one or more of the following: Backbone / Knockout JS / Ember JS / React JS
Knowledge of JQuery would be an added advantage
Thorough knowledge of software development best practices, including coding standards, code reviews, source control management, build process, continuous integration and continuous delivery
Thorough knowledge of Node.JS, MongoDB, Angular JS, Express JS and JavaScript
Ability to plan core architecture, and to enhance it from time to time
Strong analytical mindset to derive actionable analytics from data



