
• Strong Nodejs experience with knowledge and understanding of ES6/7/8.
• Experience with DevOps.
• Understanding multi-threading concepts.
• Experience with NoSQL Databases.
• Proficiency with code versioning tools, such as Git, Github, Bitbucket.
• Experience working with common project management tools and Agile
development workflow
• Ingenuity, creativity, drive and determination are a must
Responsibilities:
- Should be able to write web services for the app.
- Manage projects from conceptualization, all the way through deployments by collaborating with everyone.
- Take initiatives to optimize.
- Keep up with the latest trends and tools and keep updating.
Our Tech Stack:
- On the backend, we use Node JS
- For the frontend, we use React
Skills
Mandatory:
Nodejs, Mongo DB, Express js, AWS Experience, Experience with mail, and phone authentication.
Must have exp in kafka and integrating with other data sources

About WTF - Digital Waiter™
About
WTF - A Digital Waiter for every table. Contactless dining and Contactless payment for every restaurant.
We are a 500 Startups alumni and are the only startup, globally, being granted startup visa by Kobe city govt of Japan.
Connect with the team
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JOB DETAILS:
* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws
* Industry: Global digital transformation solutions provide
* Salary: Best in Industry
* Experience: 5 -7 years
* Location: Trivandrum, Thiruvananthapuram
Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Skill Examples:
- Explain and communicate the design / development to the customer
- Perform and evaluate test results against product specifications
- Break down complex problems into logical components
- Develop user interfaces business software components
- Use data models
- Estimate time and effort required for developing / debugging features / components
- Perform and evaluate test in the customer or target environment
- Make quick decisions on technical/project related challenges
- Manage a Team mentor and handle people related issues in team
- Maintain high motivation levels and positive dynamics in the team.
- Interface with other teams’ designers and other parallel practices
- Set goals for self and team. Provide feedback to team members
- Create and articulate impactful technical presentations
- Follow high level of business etiquette in emails and other business communication
- Drive conference calls with customers addressing customer questions
- Proactively ask for and offer help
- Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
- Build confidence with customers by meeting the deliverables on time with quality.
- Estimate time and effort resources required for developing / debugging features / components
- Make on appropriate utilization of Software / Hardware’s.
- Strong analytical and problem-solving abilities
Knowledge Examples:
- Appropriate software programs / modules
- Functional and technical designing
- Programming languages – proficient in multiple skill clusters
- DBMS
- Operating Systems and software platforms
- Software Development Life Cycle
- Agile – Scrum or Kanban Methods
- Integrated development environment (IDE)
- Rapid application development (RAD)
- Modelling technology and languages
- Interface definition languages (IDL)
- Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.
The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.
You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.
Key Responsibilities
Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.
Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).
Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.
Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.
Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.
Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.
Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.
Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.
Apply resilience patterns using Resilience4j to build fault-tolerant systems.
Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).
Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.
Utilize feature flagging tools like Optimizely to enable controlled rollouts.
Mandatory Skills & Technologies Languages:
Kotlin (JVM, Coroutines, Serialization),
Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)
Serialization: Jackson, Kotlin Serialization
Testing: JUnit 5, Mockk, ArchUnit
Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)
Cloud: AWS (DynamoDB, Lambda, IAM)
CI/CD: GitLab CI Containers: Docker
Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)
Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)
API: OpenAPI (Swagger), REST API, JSON API
Resilience: Resilience4j
Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)
Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)
Methodologies: Scrum, Agile
Skills: Kotlin, Java, Spring Boot, Aws
Must-Haves
Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Trivandrum
Virtual Weekend Interview on 7th Feb 2026 - Saturday
Job Description ReactJs
Our client is looking for talented, enthusiastic software developers who share our passion for
delivering the best user experience.
You will be the right fit, if you have a keen eye for details and high standards for code quality and
efficiency, creating innovative new features and maintaining existing ones.
Responsibilities:
Developing user interface components and implementing them following well-known React.js workflows
(such as Flux or Redux).
Building reusable components and front-end libraries for future use.
Optimizing components for maximum performance across a vast array of web-capable devices and
browsers
Integration of the front-end and back-end aspects of the web application
Requirements:
Experience in developing modern web applications using React and Redux.
Strong proficiency in CSS, JavaScript, including DOM manipulation and the JavaScript object model
Good understanding of Database schema, design, optimization, scalability.
Great communication skills, strong work ethic.
Ownership of the product from start to finish.
Ability to learn new technologies quickly.
Nice to have:
Experience with AWS
Expert level understanding of the HTML DOM and underlying event model
Prior Open source contributions
Experience building responsive designs
JOB RESPONSIBILITIES (About 10 - 11 years and at least 9 years relevant experience)
Develop Java webservices and components according to a detailed design document.
Build efficient, reusable and reliable Java code per industry best practices.
Follow TDD approach and ensure unit-test coverage meets quality requirements.
Develop Integration tests to ensure coding adheres to acceptance criteria and verify end-to-end behavior of the system.
Ensure best possible performance, quality and responsiveness of applications.
EXPERIENCE / SKILLS
Must have experience developing in Java latest version (least version is 8)
Must have experience in design and development using Micro service architecture
Solid knowledge in OOP concepts, and design principles/patterns for developing scalable applications
Must have experience developing Spring Boot applications
Must have experience developing database access layer using Spring Data JPA/Hibernates
Must have experience in developing REST Services using Spring
Good working experience in development of event driven systems using any framework
Must have experience with any RDBMS and at least one NoSQL database preferably PostgresSQL and Mongo DB
Must have experience writing unit and integration tests using Junit
Must have experience using mock frameworks like Mockito, WireMock
Must have experience using Git
Must have experience with CI / CD
Basic hands-on experience in one of the cloud provider (AWS/Azure) or at least docker and Kubernetes
Familiarity with build tools Maven or Gradle
Added advantage with experience of Reactive and Functional Programming
Job Description
It is a global health and fitness platform that aids users to achieve their true physical and mental potential. We started with the vision to help people transform themselves by giving them access to content and programs that work on aspects of mind, body and recovery. Everyone on this team has a unique and mutually exclusive set of skill, building this company like founders. The platform is a combination of technology, science, art and most importantly people and is therefore driven by the knowledge and experience of world’s best coaches, sports science experts, neuroscientists and psychologists. Our insight is that transformation does not need to be about setting unrealistic goals or killing oneself in the gym. We believe in a more structured, incremental and scientific approach to tap into our true potential. We believe this is not just about how the world perceives us; but more about a way of life we believe in.
Responsibilities: -
We are looking for solid senior back-end developers who are well-versed with NodeJs.
We are looking at folks who have a minimum of 5-6 years of experience in back-end development and have been strong experience.
The mindset is very different and we are looking for folks who have evolved fast in terms of skills and in terms of working on their own projects.
Practical experience in building APIs.
Experience with RabbitMQ or similar queuing system.
Experience with Redis/ElasticSearch is a plus. Familiarity with CI/CD pipeline tools like Jenkins.
Practical experience with Git.
A knack for benchmarking and optimization
Remote Workers would also do…
Software Developer:
- Strong experience on Java and Python
- Experience on Kafka, Kubernetes, and React
- Must have experience on any one database
- Location :Bangalore and Hyderabad
- Experience : 5-10 Years
Responsibilities :
- Knowledge of Node.js and frameworks available for it {such as NestJS, Express, StrongLoop, etc.}
- Experience in Database, Postgres Preferred.
- 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
- Integration of data storage solutions
- Strong proficiency with JavaScript
● 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.
● Integration of data storage solutions.
● Familiar with Graphql, REST APIs, MongoDB, SQL, NoSQL, AWS services, Firebase. (Knowledge of web sockets is optional)
Job Description :
- 3 or more years of experience of server side web systems engineering and middleware in a project services or product engineering organisation
- Hands-on development experience using JavaScript on the Server Side with Node.js and associated frameworks
- Published sites/systems that are now online
- Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
- An engineering Degree in computer science or equivalent practical experience
- A solid understanding of networking, storage, operating/browser systems engineering as well as application/software systems performance optimisation and third party systems integration
- Hands on experience with Amazon Web Services
- Prior experience working within the Media, E-commerce, Telecommunications or similar large scale consumer facing industry
Looking for a Python Backend Developer to join our client’s award-winning, talented team,
building the next generation automated drone applications for our global customers.
Some Roles/Responsibilities
● Designing, implementing and deploying updates, features to the company’s cloud
backend system. The work typically requires writing RESTful APIs.
● Derive key metrics from the system to estimate system health and performance.
● Prepare automated test suites for continuous health monitoring of the backend
systems.
● Perform load testing to understand potential scale issues and take corrective
measures.
● Integrate tools for incidence report and response, to ensure high availability of
the backend system.
● Drive Security practices implementation. (Troubleshoot incidents, identify root
cause, configuration, fix and document problems, patching systems for
vulnerabilities, and implement preventive measures)
● Maintain codes, users and API documentation.
● Setting up the CI/CD automation environment for web applications using
Jenkins/ECS.
● Manage Linux Virtual machines on EC2 ensuring correct VPC, Security Group
settings.
● Integrate automated data pipelines to enable analysis of usage patterns on 3rd
party analytics platforms.
Experience required: 3+ years relevant experience
Must Haves Skils-
Flask/Django, Python Backend Exp, Exp in Websockets, Async IO
Notice Period- Immediate/1months/ 2 months negotiable









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