Node JS - Full stack developer (Node + Mongodb+typescript)

Job Description:

We are seeking an experienced developer to design and build cross-platform mobile applications integrated with enterprise backend systems. The role involves working on both mobile (Android & iOS) using Kotlin Multiplatform and backend services using Java / Spring Boot.

Key Responsibilities:

• Develop mobile applications for Android and iOS using Kotlin Multiplatform (KMP)
• Design and implement reusable shared modules across platforms
• Develop and maintain backend services using Java / Spring Boot
• Build and consume REST APIs
• Integrate authentication and security mechanisms
• Perform testing, debugging, and performance optimization

Java Developer – Backend (Spring Boot + WebFlux)

Company Overview

Dive into the galaxy of innovative possibilities and unfold the future with Pattem Digital. We are a leading software product development company specializing in delivering 100+ services across frontend, backend, CMS, and cutting-edge technologies. With a global presence and proven track record, we help businesses scale through agile and efficient software solutions.

Position Overview

We are looking for a skilled Java Backend Developer with strong expertise in Core Java, Spring Boot, and Spring WebFlux. The ideal candidate will be responsible for building scalable backend systems, developing reactive and RESTful APIs, and contributing to high-performance applications.

📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)

📅 Experience: 5–6 Years

Key Responsibilities

● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux

● Design and implement RESTful and reactive APIs for scalable applications

● Work with databases (SQL/NoSQL – MongoDB preferred)

● Implement multithreading, concurrency, and reactive programming for performance optimization

● Collaborate with frontend teams, QA, and product managers

● Debug, troubleshoot, and resolve production issues

● Write clean, maintainable, and efficient code

● Participate in code reviews and maintain coding standards

● Ensure application performance, scalability, and security

Required Qualifications

Technical Skills

● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)

● Experience with Spring Boot, Spring MVC, and Spring WebFlux

● Good understanding of Microservices architecture

● Experience with MongoDB / SQL databases

● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming

● Familiarity with Linux environment

● Experience with Git, Maven, CI/CD pipelines

● Understanding of API design, reactive systems, and system architecture

Experience & Education

● 5–6 years of experience in backend development

● Bachelor’s degree in Computer Science or related field

Soft Skills

● Strong problem-solving and analytical skills

● Good communication and teamwork abilities

● Ability to work in a fast-paced environment

● Ownership mindset and attention to detail

Preferred Qualifications

● Experience with Kafka or event-driven architecture

● Exposure to AWS or cloud platforms

● Experience working in Reactive systems / high-throughput applications

● Experience working in Agile environments

🚀 We’re Hiring: Senior Software Engineer – Backend | Remote | Full-time

Are you a backend engineering expert who thrives in high-growth startup environments?

Do you enjoy solving complex challenges with the latest technologies like Java 18+, Spring Boot 3+, and scalable microservices?

We’re looking for a Senior Software Engineer – Backend to help us build a world-class data science platform that powers cutting-edge AI solutions.

What You’ll Do:

🔹 Build and optimize scalable, secure backend systems

🔹 Collaborate with product owners & architects to shape business solutions

🔹 Deliver high-quality, production-ready code with best practices (unit testing, CI/CD, automation)

🔹 Work with modern tools like Kubernetes, Docker, NodeJS, React

🔹 Contribute to a high-performance engineering culture and drive innovation

What We’re Looking For:

✔️ 6+ years of experience with Java/Python, Spring Boot, REST APIs, microservices

✔️ Strong CS fundamentals, algorithms, and system design skills

✔️ Experience in secure web applications & scalable backend architectures

✔️ Knowledge of cloud (AWS/GCP/Azure), GitHub Actions, and Unix scripting

✔️ Startup mindset – fast learner, problem solver, impact-driven

🌍 Remote | High-growth environment | Global impact

Sizzle is an exciting new startup that’s changing the world of gaming.  At Sizzle, we’re building AI to automate gaming highlights, directly from Twitch and YouTube streams. We’re looking for a superstar Python expert to help develop and deploy our AI pipeline. The main task will be deploying models and algorithms developed by our AI team, and keeping the daily production pipeline running. Our pipeline is centered around several microservices, all written in Python, that coordinate their actions through a database. We’re looking for developers with deep experience in Python including profiling and improving the performance of production code, multiprocessing / multithreading, and managing a pipeline that is constantly running. AI/ML experience is a plus, but not necessary. AWS / docker / CI/CD practices are also a plus. If you are a gamer or streamer, or enjoy watching video games and streams, that is also definitely a plus :-)

You will be responsible for:

• Building Python scripts to deploy our AI components into pipeline and production
• Developing logic to ensure multiple different AI components work together seamlessly through a microservices architecture
• Managing our daily pipeline on both on-premise servers and AWS
• Working closely with the AI engineering, backend and frontend teams

You should have the following qualities:

• Deep expertise in Python including:
• Multiprocessing / multithreaded applications
• Class-based inheritance and modules
• DB integration including pymongo and sqlalchemy (we have MongoDB and PostgreSQL databases on our backend)
• Understanding Python performance bottlenecks, and how to profile and improve the performance of production code including:
• Optimal multithreading / multiprocessing strategies
• Memory bottlenecks and other bottlenecks encountered with large datasets and use of numpy / opencv / image processing
• Experience in creating soft real-time processing tasks is a plus
• Expertise in Docker-based virtualization including:
• Creating & maintaining custom Docker images
• Deployment of Docker images on cloud and on-premise services
• Experience with maintaining cloud applications in AWS environments
• Experience in deploying machine learning algorithms into production (e.g. PyTorch, tensorflow, opencv, etc) is a plus
• Experience with image processing in python is a plus (e.g. openCV, Pillow, etc)
• Experience with running Nvidia GPU / CUDA-based tasks is a plus (Nvidia Triton, MLFlow)
• Knowledge of video file formats (mp4, mov, avi, etc.), encoding, compression, and using ffmpeg to perform common video processing tasks is a plus.
• Excited about working in a fast-changing startup environment
• Willingness to learn rapidly on the job, try different things, and deliver results
• Ideally a gamer or someone interested in watching gaming content online

Seniority: We are looking for a mid to senior level engineer

Salary: Will be commensurate with experience. 

Who Should Apply:

If you have the right experience, regardless of your seniority, please apply.

Work Experience:  4 years to 8 years

About Sizzle

Sizzle is building AI to automate gaming highlights, directly from Twitch and YouTube videos. Sizzle works with thousands of gaming streamers to automatically create highlights and social content for them. Sizzle is available at www.sizzle.gg. 

Roles & Responsibilities JOB TITLE: AEM Developer - Senior

RESPONSIBILITIES:

1. Participation in software development and maintenance

processes as per quality requirements, procedures and best

practices applicable.

2. Implementing, optimizing and supervising efficiency of IT

systems in accordance with specific standards, resolution or

escalation of problems, as appropriate.

3. Drawing up technical documentation.

4. Developing knowledge in scope of information technology used.

5. Developing knowledge in scope of best practices and standards

of creating software.

6. Developing soft skills in scope of effective communication and

efficient teamwork, solution presentation and knowledge sharing.

7. Interpreting business cases, preparing specifications and

analyzing functional and technical requirements.

8. Designing solutions and creating documentation, estimating

individual scope of works and time consumption of works.

9. Within the team and project/services, proactively identifying

problems and proposing measures to increase the level of services.

10. Developing knowledge in scope of information technology

used.

11. Developing knowledge in scope of best practices and standards

of creating software.

12. Spreading the knowledge throughout the organization by

educating and supporting less experienced Specialists.

13. Maintaining industry standards and practices in projects.

14. Performing tasks assigned by the superior.

PROFESSIONAL EXPERIENCE& TECHNICAL SKILLS

1. Minimum 3 years of experience in work related to CQ/AEM

development.

2. Minimum 5 years of experience in work related to Java

development in IT sector.

SOFT SKILLS:

1. Independence in performance of tasks assigned.

2. Team and end user communications skills.

3. Skills to acquire knowledge and put it in practice.

4. Work time estimation based on functional or technical

requirements.

5. Recommending employment in the case of reviewing technical

knowledge of candidates in recruitment process.

6. Work time estimation.

7. Designing and supervising implementation of solutions.

SPECIAL QUALIFICATIONS: Nice to have: AEM 6 Developer

certification

Skills Primary Skills –

1. AEM including Sling Models

2. Apache Sling

3. JCR

4. Sightly (must)

Secondary Skills –

1. OSGi (Apache Felix),

2. Java, JavaEE (Servlet, Filter, JSP)

3. Git

4. Junit

5. Maven

6. REST

7. Object Oriented Design Patterns, Basic HTML + JavaScript

Experience Total Experience – 4-6 years

Relevant Experience – 4-6 years

Qualification Required to perform the

Job (Any Certifications if Needed)

Bachelor’s in information technology or equivalent qualifications.

What are we looking for?

A passionate backend developer Node.js specifically.

Who Should apply?

Apply only If you

● Think you are atleast 8 on 10 in Node.js

● And have been coding in Node.js for 3+ years

● Are super enthusiastic about building something that adds immense value to the lives of atleast 10Mn people

● Have built things single handedly

● Have immense hunger to learn, grow and prove yourself

Shortlisting Criteria

You will have to do a coding test.

We respect your time and are in no way doubting your skills, but that’s how you would like to hire someone in your team, right?

Why work with us?

Infinite freedom & ownership.

Work directly with the founders.

Zerodha the most profitable startup in the country, only has a 30 member tech team. We’re presently a 4 member tech team, you will be number 5.

Like you, we too love solving for time and space complexities.

What is the company about?

We are creating a stock market of creators.

Where Social Media Influencers can get funded by their fans and in return issue them coins which represent a stake in their future income.Imagine if you had invested in Tanmay Bhatt or CarryMinati 5 years back

Must-Have:

• Core Java (Must be good in Core Java concepts, Java programming practices, Clean coding.)
• Spring Framework(Must have working experience in Spring Core)
• Any SQL framework(hands-on working experience in any of these: Hibernate/JPA/MyBatis/Spring Data/Others)
• Hands-on experience in REST API
• Hands-on experienceSQL Database(any of the databases: Oracle/MySQL/PostgreSQL/SQLServer)
• Must have working experience with basic GIT
• Maven or Gradle (Must have working experience in building Java projects using maven or Gradle.)
• Should be able to work independently under someone's guidance.

Good to have:

• Advanced Java(Threading, Performance optimization)
• Spring Boot
• Other Spring frameworks(Spring Security, Spring Batch, Others)
• Microservices - Any NoSQL database(MongoDB, Cassandra, others)
• Application designing concepts.

Looking candidated from service base or service division of any company.
Minimum Qualification​:

• Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
• Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
• Worked on Relational data stores viz. MySQL, Oracle or Postgres
• Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
• Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
• Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc

Position: Sr. Node Js Developer
Required Experience: 3+ yrs
Location: Mohali (open for WFH)
Salary: good hike on CTC
Working Days: 5 days

Webmob Software Solutions is a fintech company based in North India. We are leading service providers in the space of emerging technologies including Blockchain, AI, ML, IOT, and cloud computing. With a global, renowned clientele, we have developed several robust applications in the space of Trade Finance, Money Market, Asset Tokenization, and Supply Chain.

Webmob is currently a team of 45+ employees having expertise in Java,Kotlin, PHP, Python, Go, MEAN and MERN stack. We are also the technical delivery partners for Corda https://marketplace.r3.com/directory/webmob-software-solutions-pvt-ltd.
Our specialties include Fintech product development, Blockchain development and consultancy, website development, graphic designing, digital marketing, application development, AWS support, infrastructure handling, IOT, AI, and ML.

Duties/Responsibilities:

3+ yrs of Exp in Node Js
Develop data-driven Node.js microservices
Create testable, high-quality code
Work effectively with development team
Communicate effectively with both technical and non-technical individuals at all levels
Performs other duties as assigned

Requirements:
Experience with both relational (SQL) databases, and distributed NoSQL data stores
Experience with Amazon Web Services a plus, especially AWS Lambda
Deep understanding of data design and systems integration
Strong technical leadership and communication skills
Self-motivated with the ability to work in a team environment

Benifits:
- Work from home.
- Employee friendly policies.
- Competitive salary with the best in the industry
- Immense exposure to new technologies
- 5 days week work
- Flexible Timings.