
Job Responsibilities :
- Work closely with product managers and other cross functional teams to help define, scope and deliver world-class products and high quality features addressing key user needs.
- Translate requirements into system architecture and implement code while considering performance issues of dealing with billions of rows of data and serving millions of API requests every hour.
- Ability to take full ownership of the software development lifecycle from requirement to release.
- Writing and maintaining clear technical documentation enabling other engineers to step in and deliver efficiently.
- Embrace design and code reviews to deliver quality code.
- Play a key role in taking Trendlyne to the next level as a world-class engineering team
-Develop and iterate on best practices for the development team, ensuring adherence through code reviews.
- As part of the core team, you will be working on cutting-edge technologies like AI products, online backtesting, data visualization, and machine learning.
- Develop and maintain scalable, robust backend systems using Python and Django framework.
- Proficient understanding of the performance of web and mobile applications.
- Mentor junior developers and foster skill development within the team.
Job Requirements :
- 1+ years of experience with Python and Django.
- Strong understanding of relational databases like PostgreSQL or MySQL and Redis.
- (Optional) : Experience with web front-end technologies such as JavaScript, HTML, and CSS
Who are we :
Trendlyne, is a Series-A products startup in the financial markets space with cutting-edge analytics products aimed at businesses in stock markets and mutual funds.
Our founders are IIT + IIM graduates, with strong tech, analytics, and marketing experience. We have top finance and management experts on the Board of Directors.
What do we do :
We build powerful analytics products in the stock market space that are best in class. Organic growth in B2B and B2C products have already made the company profitable. We deliver 900 million+ APIs every month to B2B customers. Trendlyne analytics deals with 100s of millions rows of data to generate insights, scores, and visualizations which are an industry benchmark.

About Trendlyne Technologies
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Job Title: Java Lead – Software Engineering
Location: Mohali | Panchkula | Gurugram (Onsite)
Experience: 7+ Years
About the Role:
We are seeking a highly skilled and passionate Java Lead who will be responsible for designing, developing, and leading the implementation of scalable and maintainable product features. As a Lead, you will play a key role in guiding a team, ensuring coding best practices, and resolving complex technical challenges. This is a great opportunity for someone who thrives in a fast-paced environment, is passionate about solving technical problems, and is excited about leading product development end-to-end.
Key Responsibilities:
· Lead a team of developers in designing and building micro-services using Java.
· Decompose feature requests into sizable and estimable pieces of work.
· Deliver scalable, maintainable, and high-quality code within defined timelines.
· Conduct code reviews to ensure adherence to coding standards and best practices.
· Collaborate with cross-functional teams to solve complex technical challenges.
· Act as a subject matter expert for specific product components.
· Debug and resolve critical production issues with detailed root cause analysis.
· Drive adoption of Agile practices, ensuring proper planning, estimation, and delivery.
Required Qualifications:
· Bachelor’s degree in Computer Science or a related field.
· 7+ years of strong experience in Java development.
· 3+ years of hands-on experience in developing and delivering productized software applications.
· Experience in leading teams and mentoring developers.
· Proven ability to design and deliver scalable and maintainable applications.
· Strong problem-solving and analytical skills with a self-driven mindset.
· Excellent written and verbal communication skills.
Preferred Skills:
· Hands-on experience with Java micro-services.
· Familiarity with CI/CD pipelines.
· Strong understanding of Agile methodologies.
· Cloud and containerization exposure with AWS and Docker.
Technology Stack:
· Java
· Micro-services
· SQL
· AWS
· Docker
Around 4 years of experience in creating and implementing Web-based products using PHP,
MySQL, Ajax, and JavaScript.
Ability to work in an Agile, fast-paced environment, and learn rapidly.
Bachelor degree in computer science, computer engineering or similar.
Expert in HTML, CSS, JavaScript, JQuery, JSON.
Experience in any PHP framework Laravel, CodeIgniter or Zend.
Writing clean, readable, and easily maintainable code.
Must have knowledge of project/task management tools like Jira,
Familiarity with Version Control Tortoise Bitbucket, Git etc.
Understanding of UI, cross-browser compatibility and web standards.
Good English communication skills, written and spoken.
Able to work with minimum supervision as well as perform under pressure and meet
Deadlines.
Job description for Backend Developer:
If interested can forward your resume to (ambikadotjsemperfidotcodotin)
For more details contact 8a3a1a0a8a4a4a6a8a2
• Hands on experience in Springboot and good knowledge of MySQL, MongoDB
• Hands on experience in building RESTful based APIs
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Integration of user-facing elements developed by a front-end developers with server side logic
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability•
• Implementation of security and data protection
● Managing and guiding a team of junior developers for timely delivery of product and
milestones
● Optimization of the application for maximum speed and scalability
● Implementation of security and data protection
● Design and implementation of data storage solutions
● Design & Build: Designing and developing high-volume, low-latency applications for
mission-critical systems, and delivering high-availability and performance.
● Collaborate - Collaborating within your product streams and team to bring best
practices and leverage a world-class tech stack.
● Measurable Outcome - You will need to set quantifiable objectives that encapsulate
the quality attributes of a system. The fitness of the application is measured against
set marks.
● DevOps - You will need to set up every essential (tracking/alerting) to make sure the
infrastructure/software you built is working as expected.
● Design and development of our REST APIs
● Help maintain code quality, architecture, and automation
Required Knowledge and Skills
● 3 - 5 years of experience working in backend development technologies and DevOps
● Highly curious and ready to dive into complex technical challenges.
● Proficiency in development and scripting in Python, Django/Flask framework.
● Database design and management, including being up on the latest practices -
bonus points for MySQL and MongoDB
● User authentication and authorization between multiple systems, servers, and
environments
● Integration of multiple data sources and databases into one system
● Management of hosting environment, including database administration and scaling
an application to support load changes
● Setup and administration of backups
● Understanding differences between multiple delivery platforms such as mobile vs
desktop, and optimizing output to match the specific platform
● Creating database schemas that represent and support business processes
● Implementing automated testing platforms and unit tests
● Understanding of “session management” in a distributed server environment
● Server management and deployment for the relevant environment
● Appreciation for clean and well-documented code
● Hands-on experience with architecture and structural design patterns
● Expertise in designing, developing, deploying, and integrating RESTful APIs
● Ability to understand business requirements and translate them into technical
requirements
● A knack for benchmarking and optimization
● Proficient understanding of code versioning tools, such as Git
Personality
● Requires excellent communication skills – written, verbal, and presentation.
● You should be a team player.
● You should be positive towards problem-solving, have a very structural thought
process to solve problems
● Interest to work in a high paced start-up environment with a large amount of learning.
● Good understanding of different frameworks, and be able to pick up new
technologies at ease.
● You should be agile enough to figure out a need for new technologies/frameworks
and learn new technology for better product performanc
● Designing, code reviews, POCs on latest cutting-edge technologies building,
deploying highly scalable and robust cloud based intelligent solutions.
● Architect & Design, code high performance and scalable solutions that meet the needs of millions of customers.
● Implement cutting-edge models and algorithms that operate on massive amounts of data.
● Working on the REST framework
● Working on session-based and token-based authentication, Working on Celery
● Handling the payment gateway
● Work with Multi-threading, Data Structures, Algorithm, Design Patterns and develop robust high-performance and scalable applications.
● Writing scalable code using Python programming language.
● Developing back-end components.
2) developing and testing software and resolving technical issues that arise
3) Prepare and maintain all applications utilizing standard development tools
4) Utilize backend data services and contribute to increasing existing data services API
5) Lead the entire development life cycle right from concept stage to delivery and post-launch support
6) Convey effectively with all task progress, evaluations, suggestions, schedules along with technical and process issues
7) Document the development process, architecture, and standard components
8) Coordinate with co-developers and keeps project manager well informed of the status of development effort and serves as a liaison between development staff and project manager
9) Keep abreast of new trends and best practices in web development
10) Fixing bugs
The Backend Developer will be working alongside other Software Developers, Project Managers,
QA, Software Architects and DevOps in order to shape and implement the technology and product
deliverables that will drive forward the strategy of our venture
Key responsibilities include:
Working with the Team in building world class recommendation
Brain-storming and experimenting with new ideas for efficiently improving the service
Writing effective, low-latency and high-availability, and scalable Python codes.
Working with System Layered Services like Virtualization, Network Management and core
OS Technologies
Working on Creating Pipe-lines and Services necessary for Critical Real Time Systems
Required Competencies:
3+ years of experience with a track record of delivering quality results
Strong Knowledge in OOPS, Data Structures, Algorithms, Networking Concepts, OS
Concepts
Experience in successfully building Microservices, Server Services etc at scale
Experience in working with Cloud Technologies and possibly bare-metal hardware
Have knowledge on Virtualization, Kafka Streaming, Networking Protocols, Web Crawling,
Caching, Routing Algorithms etc
About Us:
• Rainbox a media-tech start-up, focusing on content aggregation, Search/Discovery &
recommendation.
• Our core Product is Oneplay, which provides universal search & discovery of contents across
multiple OTTs, Personalised Recommendations, Live TV Content Tracking & EPG and lots more,
becoming a single destination for all entertainment a user need.
• Oneplay’s newest project is the ‘Netflix of Gaming’: In past 5 years we have seen how OTT has
changed the overall media/entertainment industry, likewise the next entertainment viewership is
changing from watching live cricket to watching live game streamers. so looking at the market
trend our company is about to start cloud gaming.
development of which at least 1 year should be team management experience.
You should be knowledgeable about programming languages - specifically Java,
Python, operating systems, networks, databases and SQL, algorithms, advanced
architecture, code design, system design, design patterns, project and people
management.
An aptitude for product thinking is preferred. You should also hands-on experience on
mobile app development. Knowledge of Python is a plus.
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







