
- Candidate should have strong work experience in JavaScript(ES6+)
- Hands on application development using Node JS, Express JS, MongoDB and Mongoose
- Good understanding of Web Technology, RESTful APIs, JSON structures
- Proficient understanding of code versioning tools, such as Git
- Exposure in AWS Services will be an added advantage
Responsibilities and Duties
- Design, code, test and document software according to the functional requirements.
- Analyze, diagnose and resolve errors related to applications.
- Provide application and user support.

About Skematix Technologies
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Job Title : Python Django Developer
Experience : 3+ Years
Location : Gurgaon Sector - 48
Working Days : 6 Days WFO (Monday to Saturday)
Job Summary :
We are looking for a skilled Python Django Developer with strong foundational knowledge in backend development, data structures, and operating system concepts.
The ideal candidate should have experience in Django and PostgreSQL, along with excellent logical thinking and multithreading knowledge.
Main Technical Skills : Python, Django (or Flask), PostgreSQL/MySQL, SQL & NoSQL ORM, Microservice Architecture, Third-party API integrations (e.g., payment gateways, SMS/email APIs), REST API development, JSON/XML, strong knowledge of data structures, multithreading, and OS concepts.
Key Responsibilities :
- Write efficient, reusable, testable, and scalable code using the Django framework
- Develop backend components, server-side logic, and statistical models
- Design and implement high-availability, low-latency applications with robust data protection and security
- Contribute to the development of highly responsive web applications
- Collaborate with cross-functional teams on system design and integration
Mandatory Skills :
- Strong programming skills in Python and Django (or similar frameworks like Flask).
- Proficiency with PostgreSQL / MySQL and experience in writing complex queries.
- Strong understanding of SQL and NoSQL ORM.
- Solid grasp of data structures, multithreading, and operating system concepts.
- Experience with RESTful API development and implementation of API security.
- Knowledge of JSON/XML and their use in data exchange.
Good-to-Have Skills :
- Experience with Redis, MQTT, and message queues like RabbitMQ or Kafka.
- Understanding of microservice architecture and third-party API integrations (e.g., payment gateways, SMS/email APIs).
- Familiarity with MongoDB and other NoSQL databases.
- Exposure to data science libraries such as Pandas, NumPy, Scikit-learn.
- Knowledge in building and integrating statistical learning models.

As a Senior Backend & Infrastructure Engineer, you will take ownership of backend systems and cloud infrastructure. You’ll work closely with our CTO and cross-functional teams (hardware, AI, frontend) to design scalable, fault- tolerant architectures and ensure reliable deployment pipelines.
- What You’ll Do :
- Backend Development: Maintain and evolve our Node.js (TypeScript) and Python backend services with a focus on performance and scalability.
- Cloud Infrastructure: Manage our infrastructure on GCP and Firebase (Auth, Firestore, Storage, Functions, AppEngine, PubSub, Cloud Tasks).
- Database Management: Handle Firestore and other NoSQL DBs. Lead database schema design and migration strategies.
- Pipelines & Automation: Build robust real-time and batch data pipelines. Automate CI/CD and testing for backend and frontend services.
- Monitoring & Uptime: Deploy tools for observability (logging, alerts, debugging). Ensure 99.9% uptime of critical services.
- Dev Environments: Set up and manage developer and staging environments across teams.
- Quality & Security: Drive code reviews, implement backend best practices, and enforce security standards.
- Collaboration: Partner with other engineers (AI, frontend, hardware) to integrate backend capabilities seamlessly into our global system.
Must-Haves :
- 5+ years of experience in backend development and cloud infrastructure.
- Strong expertise in Node.js (TypeScript) and/or Python.
- Advanced skills in NoSQL databases (Firestore, MongoDB, DynamoDB...).
- Deep understanding of cloud platforms, preferably GCP and Firebase.
- Hands-on experience with CI/CD, DevOps tools, and automation.
- Solid knowledge of distributed systems and performance tuning.
- Experience setting up and managing development & staging environments.
• Proficiency in English and remote communication.
Good to have :
- Event-driven architecture experience (e.g., Pub/Sub, MQTT).
- Familiarity with observability tools (Prometheus, Grafana, Google Monitoring).
- Previous work on large-scale SaaS products.
- Knowledge of telecommunication protocols (MQTT, WebSockets, SNMP).
- Experience with edge computing on Nvidia Jetson devices.
What We Offer :
- Competitive salary for the Indian market (depending on experience).
- Remote-first culture with async-friendly communication.
- Autonomy and responsibility from day one.
- A modern stack and a fast-moving team working on cutting-edge AI and cloud infrastructure.
- A mission-driven company tackling real-world environmental challenges.
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
- You will be having 3+ years of experience of writing optimized Code in Javascript/Typescript and working with Advanced NodeJs frameworks targeting Latest NodeJs version.
- Design, build, and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle.
- Understanding of basic RDBMS using relational databases like PostgresSQL, MySQL, or MSSQL
- API development (Rest/GraphQL)
- You will participate in regular design sessions, code reviews and agile ceremonies.
- You will work closely with the Product Owner and scrum team to help deliver high quality features inside of agreed timescales
- You will Provide technical mentorship and upskilling to scrum team members and across functional boundaries where appropriate
- You will Identify areas for modification or refactoring inside our code-base and champion their improvement.
- You will lead by example, contributing to a culture of high quality, personal ownership and customer focused execution
Role
As one of the senior members of the backend development team you will be
responsible for architecting and setting the standards for building our core
backend/microservices. Also, you will be responsible for shaping up the entire system for scale
and collaborating extensively with the frontend and design teams to create the best consumer
experiences.
Responsibilities
● Develop microservices that will be used by the frontend through API endpoints.
● Translate business requirements into high quality code.
● Ensure that the code is deployed in a secure and scalable fashion.
● Focus on code maintainability and performance of application.
● Provide technical advice and assists in solving programming problems.
● Enhance Analytics and overall backend architecture for better performance.
Requirements
● 4+ years of backend/full-stack development experience
● 1+ years of experience on NodeJS
● 1+ years experience in building APIs in a microservice architecture
● Has experience managing other developers, recruiting and training.
● Experience in PHP is a plus
● Experience with AWS services such as Lambda, CloudWatch, CloudFront
● Has experience in code reviewing/being the gatekeeper for an entire project
● Experience with RabbitMQ or similar queuing system
● Experience with Redis/ElasticSearch is a plus
● Familiarity with CI/CD pipeline tools like Jenkins
● Good knowledge of working with Git
● A knack for benchmarking and optimization

About the Backend Developer
We are looking at a diligent, driven, passionate person for our efforts on engagement and retention of our customers (schools) in a high growth environment. Backend Developer will be the face of the organisation for the schools that are using the platform on a day to day basis. The Developer will interact with the schools via the chat support and email requests and resolve any issues that the schools might be facing in using the platform or extend any support they might be needing to use the platform to its fullest.
- As a Backend Developer, you will play a major role in, developing and deploying high-quality web platforms. In this multifaceted role, you will get the opportunity to work along curriculum experts, teachers, and students, and user-test the product in real school settings.
Preferred Qualifications/Skills
* Frameworks & Technologies: Node.js
* Database: PostgreSQL, SQL
* Tools: Git basics, Scripting basics
* Soft Skills: Having a bias towards action, a good sense of design, empathy, and good communication skills
* Excellent written and oral communication skills
* Great interpersonal skills
About Toddle: ( http://www.toddleapp.com/" target="_blank">www.toddleapp.com )


- We are one of the fastest-growing game development companies with headquarters in
- Bangalore, India. Since our inception in 2017, we have carved a niche in the gaming industry by our highly creative and expert approach to game design, artwork and development. Our two games, ‘Ludo STAR’ and ‘Parchisi STAR’ have already reached 50 million global downloads.
- We have a grand vision of being the “Best Game Developing Company” in the world. We are vastly committed to developing visually appealing and technically advanced games for diverse platforms and game applications that appeal to all ages.
- We offer an autonomous studio consisting of self-motivated teams in a fast decision-making
- environment, allowing you to be truly impactful and develop professionally.
- It’s an exciting time to come aboard, career experience as a lead developer working with leadership teams.
Senior Software Engineer
As an SSE, we expect you to solve real-life complex problems and create compelling experiences for our Players. Being a small company we have a culture of creative problem solving, intellectual design, fast-paced development, and passionate product delivery.
The pace of our growth is incredible. If you want to tackle hard, interesting and UNIQUE
problems, and create an impact within an entrepreneurial environment, join us!
Major responsibilities :
● Focus on scalability, performance, service robustness, and cost trade-offs
● Continuously drive to explore, improve, enhance, automate, and optimize systems and
tools to best meet evolving business and market needs
● Attention to detail coupled with the ability to think abstractly
● Collaborate with teams to develop and support the smooth 24x7 operation of our service
● Keen to learn new technologies and apply the knowledge in production systems
● Take complete ownership of projects and their development cycle
Technical Requirements:
● Solid understanding and knowledge in programming languages like C++, GoLang etc.
● Strong knowledge of any of the databases like MySQL, Mongo, PostgreSQL.
● Have hands on experience with systems that are asynchronous, RESTful and demand
concurrency.
● Knowledge of best software engineering practices for all stages of software development
life cycle, including coding standards, code reviews, testing, deployment.
Experience/ skills required:
● Engineering Degree in Computer Science from Tier1 institutions (IIT/BIT/NIT) with 3-6
years of development experience in a product firm.
● Technically well rounded with an ability to work with minimal resources.
● Proven ability to build solutions from scratch using scripts/automation etc.
● Troubleshoot and identify the root cause of issues.
● Demonstrated skill and passion for operational excellence by using automation and
process improvements.
● Strong algorithm design, logical and reasoning skills.
● Experience in a 24/7 production environment is a plus.
● Ability to retain composure under stressful conditions,communicates effectively with a
wide array of individuals and gets the right things done.
Culture:
● We give you the freedom to implement your ideas.
● Competitive compensation and benefits. We create great teams and take very good care of
them.
● Independence and a lack of bureaucracy that clears the way for you to do the best work
possible.
● Work with kind, humble teams that inspire.
- Strong Java software development experience – with a focus on Java 8 & 9
- Experience with NoSql databases – ideally with MongoDB
- Experience implementing REST apis – ideally with JAX-RS
- Experience with Reactive Programming – ideally with RxJava
- Experience implementing unit tests
Preferred Qualifications
- Experience developing applications in fintech or established financial institutions
- Experience with microservice architectures
- Experience developing systems that can scale to large amounts of data
- Experience working in Agile Scrum
- Experience working on a globally distributed team



