

About Fission Labs
About
Fission Labs is a Software Product Development & Services company delivering high-end solutions primarily in the areas of highly scalable cloud applications and analytics for large sets of data. Few of the challenges we are working on are scaling an application to support 150 million users, real-time bidding with response time requirements of 100 ms or less. If you are somebody who wants to work on big challenges and change the world, we have those opportunities in spades
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🚀 We're Hiring: Senior Backend Developer | Gurugram (On-site)
Looking to work with a fast-growing, tech-driven team in the SaaS space?
We’re on the lookout for a Senior Backend Developer with 2–3+ years of experience to help us build robust and scalable solutions.
🎯 What We're Looking For: ✅ Strong hands-on experience with Node.js & React
✅ Proficient in AWS (EC2, S3, Lambda, etc.)
✅ Good knowledge of MySQL
✨ Bonus: Exposure to AI/ML technologies
🏢 Preferred Industry Background: SaaS
📍 Location: Candidate should be from Delhi NCR
💰 Budget: Up to 11 LPA
If you're passionate about backend systems and want to make an impact in a high-growth environment, let’s connect!
To design, develop, and maintain highly scalable, secure, and efficient backend systems that
power core business applications. The Senior Engineer – Backend will be responsible for
architecting APIs, optimizing data flow, and ensuring system reliability and performance. This
role will collaborate closely with frontend, DevOps, and product teams to deliver robust
solutions that enable seamless user experiences and support organizational growth through
clean, maintainable, and well-tested code.
Responsibilities:
• Design, develop, and maintain robust and scalable backend services using Node.js.
• Collaborate with front-end developers and product managers to define and implement
API specifications.
• Optimize application performance and scalability by identifying bottlenecks and
proposing solutions.
• Write clean, maintainable, and efficient code, and conduct code reviews to ensure
quality standards.
• Develop unit tests and maintain code coverage to ensure high quality.
• Document architectural solutions and system designs to ensure clarity and
maintainability.
• Troubleshoot and resolve issues in development, testing, and production environments.
• Stay up to date with emerging technologies and industry trends to continuously improve
our tech stack.
• Mentor and guide junior engineers, fostering a culture of learning and growth.
Key Skills and Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent
experience).
• 7+ years of experience in backend development with a focus on Node.js and Javascript.
• Strong understanding of RESTful APIs and microservices architecture.
• Proficiency in database technologies (SQL and NoSQL, such as DynamoDB, MongoDB,
PostgreSQL, etc.).
• Familiarity with containerization and orchestration technologies (Docker, Kubernetes).
• Knowledge of cloud platform (AWS) and deployment best practices.
• Excellent problem-solving skills and the ability to work in a fast-paced environment.
• Strong communication and teamwork skills.
Good to have:
• Experience with front-end frameworks (e.g. Angular, React, Vue.js).
• Understanding of HTML, CSS, and JavaScript.
• Familiarity with responsive design and user experience principles.
About the Role
We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.
Key Responsibilities
• Design, develop, and maintain scalable backend systems and APIs using Node.js.
• Deploy, manage, and optimize applications on AWS cloud infrastructure.
• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.
• Ensure application performance, security, and scalability.
• Write clean, maintainable, and testable code following industry best practices.
• Work with databases (SQL/NoSQL) to design efficient data models and queries.
• Integrate third-party services and APIs when required.
• Contribute to code reviews, technical discussions, and mentoring of junior developers.
• Support continuous integration and deployment pipelines.
• Troubleshoot, debug, and optimize existing applications.
Requirements
• 4+ years of backend development experience.
• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).
• Good working knowledge of PHP and Python.
• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).
• Working knowledge of React.js and Angular is preferred.
💥 What will you do?
As a Backend Engineer, you will
- Create and maintain server-side code
- Designing database schemas to support business requirements
- Building reusable code and libraries for future use
- Troubleshoot and debug applications
- Write unit tests
- Stay up to date with current best practices
- Collaborate with front end engineers
- Optimization of the application for maximum speed and scalability
- Work with stakeholders including the Executive, Product, Data, and Design teams to assist with web-application-related technical issues and support their requirements.
🙋 What are we looking for?
While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are
- 2+ years of relevant work experience as a Backend engineer using Python frameworks like Django, Flask, etc
- Experience with relational databases like MySQL, PostgreSQL
- Good understanding of OOP concepts
- Understanding of code versioning tools, such as Git
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
- Experience writing unit tests for the application is a plus
- Experience with building REST APIs
- Superior analytical, conceptual, and problem-solving skills.
- Strong verbal and written communication skills in English.

Hello,
Greetings for the day !!!
We are hiring "Backend Developer" for one of the IT & digital tech solutions based organization @ US (Chicago) !!!
JOB BRIEF:
- We are looking for an experienced Back-end developer to join our IT team.
- You will be responsible for the server side of our web applications.
- If you have excellent programming skills and a passion for developing applications or improving existing ones, we would like to meet you.
- As a Back-end developer, you’ll work closely with our engineers to ensure system consistency and improve user experience.
- Ultimately, you should be able to develop and maintain functional and stable web applications to meet our company’s needs.
RESPONSIBILITIES:
Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers, and system administrators to identify new features
- Follow emerging technologies
REQUIREMENTS & SKILLS:
- Minimum of 5 years of work experience as a Back-end developer
- In-depth understanding of the entire web development process (design, development, and deployment)
- Knowledge of multiple back-end languages (e.g., C#, Java, Python, PHP, RUBY) and JavaScript
- frameworks (e.g., Angular, React, [website])
- Experience with .NET, C#, [website] MVC framework, .NET web APIs
- Familiarity with databases (e.g., MySQL, MongoDB, SQL server), web servers (e.g., Apache) and UI/UX design
- Skills on Database design, table, views creation,
- Writing SQL scripts, stored procedures, creating SQL Jobs etc. optimizing queries.
- Should be able to work with different rest APIs and consuming the data, make GET, PUT, POST calls
- Should be able to create APIs that others can consume
- Working knowledge of CMS framework
- Familiarity with front-end languages (e.g., HTML, JavaScript, and CSS)
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
- BSc degree in Computer Science or relevant field
Employment Mode: Full time - Remote opportunity
Joining Period: Immediate to Max 30 days
Location: Full Fledge Remote
Shifts: US Shift
Envoy combines technology and global immigration services to offer the only immigration management platform that makes it seamless for companies to hire and manage an international workforce. We empower companies to acquire the best talent regardless of where they are in the world; helps mobilize employees around the world to take advantage of business opportunities; and enables the management of entire global workforces, providing a strategic, proactive view into workforce and financial forecasting and compliance. We are a fast-growing, award-winning technology company, a leader in our space, and are backed by some of the country’s leading venture capital and growth equity firms.
Our Engineering Team
We have a passionate product engineering team that works on complex technical challenges, employs creativity, and constantly learns a variety of frameworks, tools, and technologies. While we are dedicated to delivering excellent product, we also believe having fun along the way motivates us to pour our heart into what we do. Our team has mastered development and delivery process, allowing the team to focus on designing, architecting, and crafting masterpieces.
We are growing rapidly and expanding our team in India, join our product engineering team to be part of this exciting journey.
"Programming isn't about what you know; it's about what you can figure out.” - Chris Pine
Skills Required
- 8+ years of strong programming experience on .NET platform
- Expertise in C#, ASP.NET Web API / Typescript / Angular (or any front-end framework or passion to learn Angular)
- Hands on experience with SQL
- Azure experience is a plus but not a deal breaker
- Knowledge and experience with HTML, CSS, JavaScript (fundamental building blocks of web development)
- Experience designing high-level and low-level design of the system
- Experience with microservices architecture is a plus
Expectations
- Provide technical guidance to the team and take ownership of delivery
- Responsible to technically groom backlog items providing design, architecture, and implementation details
- Quality is the key driver to successful delivery, ensure highly testable and quality deliverables
- Leverage troubleshooting and analytical skills to analyze issues
- Experience with debugging, performance profiling and optimization
Envoy Global is an equal opportunity employer and will recruit, hire, train and promote into all job levels the most qualified applicants without regard to race, color, religion, sex, national origin, age, disability, ancestry, sexual orientation, gender identification, veteran status, pregnancy, or any other protected classification.
Must have -
1- Magento 2 working experience for minimum 2 years
2- Work with Magento integration systems, viz CMS/CRM/Payment gatway/shipping etc
3- Analyse, code, debug, test, document & deploy application
4- Experiance building REST API
5- Knowledge of GTM and FB integration
Good to have-
1- Magento 2 certification
2- Experience in fronted tech like HTML5, CSS3, JQuery and ReactJS
3- Experience of working on PWA apps











