Backend Developer(Nodejs)

JobTitle : Mission Control Software Engineer – Java Backend

Experience : 4+ Years

Location : Bengaluru, Karnataka (On-site)

Employment Type : Full-time

Industry : Space Technology

🧠 Role Overview :

As a Mission Control Software Engineer – Java Backend, you will be a founding member of the Mission Control Software team. You will design and develop the backend core of a distributed, high-reliability system responsible for streaming, processing, and routing satellite data.

This role offers high ownership and the opportunity to directly influence system architecture as it evolves from a single-node deployment to a scalable multi-node system.

🛠️ Tech Stack :

Java 11+, gRPC, REST APIs, PostgreSQL, Docker, Linux, WebSockets, Git, CI/CD

⚙️ Key Responsibilities :

• Design, develop, and maintain backend services in Java (11+) for data ingestion, processing, and control workflows
• Build and enhance gRPC and REST APIs for internal and external system integrations
• Develop modular plugins and middleware for routing, persistence, and automation
• Work with PostgreSQL and other databases for structured and time-series data
• Collaborate with frontend teams to support real-time dashboards via WebSockets/event streaming
• Ensure system scalability, reliability, and observability through logging, metrics, and testing
• Contribute to containerized deployments (Docker) and CI/CD pipelines
• Write clean, maintainable, and well-documented code with strong test coverage

🧩 Required Skills & Experience :

• 4+ years of experience in backend or distributed systems development.
• Strong proficiency in Java (11+), including concurrency and networking concepts.
• Experience with frameworks like Spring Boot, Vert.x, or similar.
• Hands-on experience with gRPC and REST API design.
• Strong knowledge of SQL databases (PostgreSQL preferred) and schema design.
• Experience working in Linux environments, with Git and Docker.
• Familiarity with event-driven systems / messaging queues (Kafka, RabbitMQ, MQTT, etc.).
• Ability to design scalable architectures and write automated tests.

⭐ Good to Have :

• Experience with real-time systems, telemetry, IoT, or satellite systems
• Exposure to distributed systems / microservices / high-availability architectures
• Working knowledge of Python for scripting or integrations
• Experience with monitoring tools like Prometheus and Grafana
• Interest in hardware-software integrated systems

About the Role

We are looking for a strong software engineer who actively uses AI to build better software faster. This is a backend-heavy engineering role where LLMs and AI systems are integrated into real production applications.

You will design, build, deploy, and maintain AI-enabled systems, while maintaining strong engineering discipline and code quality.

Key Responsibilities

• Architect and build scalable backend systems (Python / FastAPI preferred)
• Integrate LLM APIs, RAG pipelines, and AI workflows into production applications
• Deploy and maintain containerized applications on AWS/Azure
• Use AI coding assistants and agents to accelerate development, without compromising code quality
• Convert ambiguous requirements into production-ready systems

Must-Have Skills

• 7+ years of professional software engineering experience
• Strong Python backend experience
• Experience building REST APIs and production systems
• Solid understanding of system design and clean architecture
• Hands-on experience with Docker and Linux
• Experience deploying to AWS or Azure
• Experience integrating LLM APIs into applications
• Experience with embeddings / vector databases / RAG pipelines
• Strong Git and collaborative development workflows
• Ability to operate independently in ambiguous environments

Most importantly:

• Strong engineering fundamentals
• High ownership mindset
• Comfort using AI tools to move fast
• Discipline to maintain structure and quality

Good-to-Have

• Experience with real-time streaming or WebSockets
• Kubernetes deployment experience
• Experience in a fast-paced startup or consulting environment
• Familiarity with agent frameworks or voice/multimodal systems

Screening Requirement

Please include:

• A portfolio of systems you’ve built (especially AI-enabled systems), and
• A short note explaining how you use AI tools in your development workflow.

We are specifically looking for engineers who lean into AI agents and coding assistants, but still understand architecture, performance, and clean code.

ABOUT UNRAVEL CARBON

Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.

We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.

Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.

We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch.

Unravel Carbon was founded in 2021 with headquarters in Singapore.

Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/

ABOUT THE ROLE

We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.

A junior/mid-level backend software engineer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets. Must be passionate about climate-tech for a better future.

• Build backend server applications using Flask/DJango framework
• Collaborate with the data team to integrate data pipelines into our backend system.
• Collaborate with the front end team.
• Analyze processes and code to troubleshoot problems and identify areas of improvement.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team members.
• Take lead on projects, as needed.

ABOUT YOU

• Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
• Meticulous and detail-oriented
• Required skills:
• Python Backend Development Frameworks (Flask, Django). Backend development in other languages/frameworks can be considered too
• NoSQL databases (MongoDB)
• SQL databases (MySQL, Postgres, DuckDB)
• Running/managing Linux servers on Cloud services (AWS/GCS/Azure)
• Optional skills:
• Front End Web development (ReactJS)
• Python data science tools (Pandas, Numpy, Scipy)
• Python NLP tools

YOUR WORK STYLE

• An understanding of agile product development
• Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
• Self­-starter (proactive and independent) with an ability to prioritize different assignments and tasks to meet deadlines
• Comfortable working in a collaborative environment
• Eager to think outside of the box and creatively problem-solve

YOUR PREFERRED BACKGROUND

A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry. 

WHAT WE OFFER YOU

We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organization.  

We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.

FirstFiling is a FinTech startup that is managed, operated, and driven by Chartered Accountants, Company secretaries, IT engineers, and Lawyers. We provide registration and financial compliance services to businesses and individuals across India.

Our aim is to simplify the lives of people by helping individuals and businesses with mandatory compliances, filings, and statutory requirements while promoting financial literacy among the masses. 

Role: Backend Developer (2 openings)

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.

Role and Responsibilities:

• To ensure  success   as   a   js   developer,   you   should   possess extensive   knowledge   of   Node.Js   based   services   like   Express   js, Multer.
• Candidate must be well aware of the JS concepts like promises, async-await, callback, fetch, and array methods like map, filter, reduce.
• Knowledge of GIT is a must.
• Must have sound knowledge of creating API through postman or similar tools, developing and maintaining all server-side network requests, ensuring optimal performance of the central database, collaborating with   front-end   developers   on   the   integration   of elements.
• Deep Understanding of mongo and MySQL.
• Working knowledge of Microservices.
• Good understanding of AWS services, Like Instance,S3, Route53, Elastic Bean Etc.
• Best writing code understanding.

Experience Required:

• The candidate must at least have a total experience of 1 Year - 3 years in the relevant field.
• The candidate must have basic knowledge regarding data structure and algorithm.
• We require people with keen logistics skills.
• The candidate must be strong with basics and their concepts must be clear enough to deal with all sorts of delusions.

Location:

• The job-role of a Node.js developer is open only for candidates residing in Indore or are willing to relocate to Indore.

• We are also providing remote opportunity.

We are highly fetching for immediate joiners or candidates that may join the company within 15 days. 

About the company:

• SheThink Pvt. Ltd. is an IT-based outsourcing company dealing in providing expertise in e-commerce and government-based projects.
• We provide expert services in developing web and application services.
• We help vendors for getting projects in a single domain.
• We are the guide to help vendors in determining their core capabilities and transform those abilities to reach new heights of success and growth.
• We are the best in providing services to help the clients in piping their projects by providing a one-stop solution to all hiring problems.
• We have a selective module to ease the hiring process of clients and vendors.
• We have recently started a recruitment consultancy service, where we help the clients in hiring permanent candidates.
• We are also providing great assistance to the clients to hire candidates on a contractual basis.

OUR GOAL IS TO ENGAGE OUR SERVICES IN SIMPLIFYING TECH.

Interested candidates can share their CV at vartika(at)shethink(dot)in

Desired candidates must have 2-7 years experience as NodeJs Developer. If the candidate is not able to relocate to Gurgaon then we can also provide permanent Work from home for this position.

Roles and responsibilities:

• Responsible for understanding functional and business requirements and translate them into effective code
• Provide support till deployment of code into production.
• Ownership for ensuring code optimization, problem diagnosis, and on-time delivery
• Implement solutions as per the pre-defined framework /guidelines and adherence to processes
• Finding an optimal solution for the problem statement
• Conduct peer code review.

What candidate should know about:

• Excellent hands-on experience with Node.Js, Express.Js, JavaScript
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Excellent hands-on experience with MongoDB, Mongo aggregation, MySQL
• Ability to build REST services, Authentications, MVC applications
• Excellent Object Oriented Programming skills and ability to write modular, secure, scalable, and maintainable code
• Experience with Elastic Search, Redis.
• Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
• Self-learning abilities are required
• Familiarity with upcoming new technologies is a strong plus

Description

• Responsible for developing Web Applications.
• Design, Develop, enhance and test front-end, back-end web modules using Node.js, Express framework, My Sql and Mongo DB.
• Research and explore existing solutions, competition, to get a holistic understanding of the Design and development.
• Communicate and collaborate effectively with various teams for effective outcomes.
• Meet deadlines in a high intensity work environment 

Primary Skills :

• Proficient in Nodejs
• Understanding of Front-End Technologies
• Good Knowledge of Node
• Proficient in RESTful APIs and API Communications
• Good Grasp of Asynchronous Programming and Its Workarounds
• Database Schema Creation for Business Processes
• Working Knowledge in User Authentication and Authorization
• Write Efficient Code
• Implementing Data Protection
• Error-Handling Skills

Job Description:

We are looking for a Ruby on Rails developer responsible for managing the interchange of data between the server and the users. Your primary focus will be development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Job Responsibilities:

• Design, build, and maintain efficient, reusable, and reliable Ruby code.
• Integration of data storage solutions.
• Integration of user-facing elements developed by front-end developers with server side logic.
• Identify bottlenecks and bugs, and devise solutions to these problems.
• Help maintain code quality, organization and automatization.

Job Requirements:

• Knowledge of Ruby on Rails, Ruby, SQL, JavaScript and Git.
• Experience with Shopify, ReactJs, JQuery CSS, HTML would be plus.
• Strong grasp of TDD and BDD.
• Experience with Heroku or AWS or DigitalOcean.
• A knack for writing clean, readable Ruby code.