Backend Engineer

Job Details:

• Role: Senior Staff Engineer, Java, Node JS
• Experience: 7.5 -9 Years
• Employment Type: Full-time
• Work Mode: Bengaluru (Onsite- 5 days)

Job description

REQUIREMENTS:

• Strong experience in Backend Engineering, Microservices, and Distributed Systems
• Deep hands-on expertise in Java and Node.js development 
• Strong experience in designing and developing RESTful APIs and backend services 
• Strong understanding of OOP, Data Structures, Algorithms, and Software Design Principles 
• Hands-on experience with PostgreSQL, MongoDB, or similar databases 
• Experience with system design, scalability, fault tolerance, and performance optimization
• Experience with Redis, messaging systems, and event-driven architectures
• Hands-on experience with Git, automated testing, CI/CD, Docker, and Kubernetes
• Strong understanding of API security, authentication, and authorization
• Experience with observability, monitoring, and production support
• Strong troubleshooting, analytical, and problem-solving skills
• Experience working in Agile/Scrum environments
• Excellent communication and stakeholder management skills
• Experience with Spring Boot, TypeScript, NestJS, Kafka, and AI-assisted coding tools is preferred

RESPONSIBILITIES:

• Design, develop, and maintain scalable backend services, microservices, and APIs
• Build high-performance RESTful and event-driven applications
• Own system design, data models, integrations, scalability, and reliability
• Collaborate with product and engineering teams to deliver business solutions
• Write clean, secure, maintainable, and well-tested code
• Conduct code reviews and mentor junior engineers
• Troubleshoot production issues and perform root cause analysis
• Improve CI/CD pipelines, monitoring, logging, and operational practices
• Optimize application performance, database efficiency, and system scalability
• Participate in architecture discussions, design reviews, and technical decision-making
• Implement security best practices and engineering standards
• Support platform modernization and continuous improvement initiatives
• Leverage modern development tools and AI-assisted coding practices to improve productivity
• Participate in Agile ceremonies and collaborate with cross-functional stakeholders
• Ensure delivery of high-quality, reliable, and scalable backend solutions.

Qualifications

Bachelor’s or master’s degree in computer science, Information Technology, or a related fields

About Us:

Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.

• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and a deep interest in scalable, low-latency systems.

• You should have 3–4 years of experience in Python-based development and be eager to solve complex performance and scalability challenges in trading and fintech applications.

• You measure success by your own growth, not external validation.

• You thrive on challenges, not on perks or financial rewards.

• Taking calculated risks excites you—you’re here to build, break, and learn.

• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading

environment.

• You understand the stakes—milliseconds can make or break trades, and precision is everything.

• Develop and maintain scalable backend systems using Python.

• Design and implement REST APIs and socket-based communication.

• Optimize code for speed, performance, and reliability.

• Collaborate with frontend teams to integrate server-side logic.

• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.

• Build fault-tolerant, multi-producer/consumer systems.

What We Expect:

• 3–4 years of experience in Python and backend development.

• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).

• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.

• Bachelor’s degree in Computer Science or related field.

We are looking for a Backend Developer to join our team to build our product and we are looking for out-of-the-box thinkers with the original thought process and lateral thinking.

You will join a young, dynamic and fast-paced environment, and work with cross-functional teams to design, build, and roll out products that deliver the company's vision and strategy.

Responsibilities :

- Backend development with Node.js, MongoDB and Typescript.

- Developing and testing flexible, scalable applications.

- Collaborate with Front end developers to produce optimum output.

- Think out of the box, discuss and implement your ideas over the phase.

Required skills :

- 3+ Years of experience in backend development using any programming language

- Strong knowledge in APIs

- Proficient understanding of code

Job description 

• Lead design, development, implementation and maintenance of applications & back-end  services demonstrating service-oriented architecture. 
• Design, build, test, and maintain scalable APIs, services, and systems within the  platform. 
• Choose the right Data Structures, tools, and tech stacks and do high-level design with guidance. 
• Build, develop, mentor, review code and coach junior team members. 
• Extensive programming experience with cross-platform development: Java/SpringBoot,  Javascript/Node.js, Express.js or Python 
• Extensive knowledge of ElasticSearch, MongoDB or Cassandra, Redis, SQS and data  streaming (Spark, Flink, Kafka streams, storm, etc.). 
• Well versed in Kafka Understanding cloud native technologies such as Docker and  Kubernetes, capable to cover full development lifecycle including CI/CD 
• Experience in use of source code management system like GIT, bitbucket and build tools  like ant, maven, Gradle or make. 
• Take great pride in Code quality and developer productivity. 
• Put in Microservcies architecture in place that paves road for scalability, efficiency,  observability, and availability. 
• Build (and open source) data processing, storage and fetch systems at the petabyte scale  with the lowest cost/GB while still responding in milliseconds at the 99th percentile. 
• Write algorithms and services to influence personalisation and recommendation from a  real-time recommendation engine for both home feed to surface most viral videos +  video e-commerce 
• Build machine learning pipelines using Kinesis,Spark/Flink/TensorFlow etc 
• Agile methodologies, Sprint management, Roadmap, Mentoring, Documenting, Software  architecture 
• Proven experience in handling large infrastructure and distributed systems Liaison with Product Management, DevOps, QA, Client and other teams Your Experience Across The Years in the Roles You’ve Played 

• Have total or more 7 - 9 years of experience with 2-3 years in a startup. Have B.Tech or M.Tech or equivalent academic qualification from premier institute. Experience in Product companies working on Internet-scale applications is preferred 
• Thoroughly aware of cloud computing infrastructure on AWS leveraging cloud native  service and infrastructure services to design solutions.
• Follow Cloud Native Computing Foundation leveraging mature open source projects  including understanding of containerisation/Kubernetes. 

We Value Engineers Who Are :

• Customer-focused: We believe that doing what’s right for the creator is ultimately what  will drive our business forward. 
• Obsessed with Quality: Your Production code just works & scales linearly 
• Team players. You believe that more can be achieved together. You listen to feedback  and also provide supportive feedback to help others grow/improve. 
• Pragmatic: We do things quickly to learn what our creators desire. You know when it’s  appropriate to take shortcuts that don’t sacrifice quality or maintainability 

Chingari Benefits 

The glory. Almost too much responsibility. 

A fun-life balance 

A ticket on our rocket ship to the moon. �� 

• Participate in the development of application software
• Own the detailed design of the system.
• Comfortable in design, implementation, testing, and documentation
• Ensure quality by writing developer level tests (unit, component, etc.)
• Works with the team for the quality and timely deliveries.
• Creates products according to the specifications and software development process
• Helps the team meet their daily and iteration objectives
• Works to remove internal and external impediments in the Scrum team
• Facilitates continuous improvement with regular inspect , Adapt and team retrospection, Interface and Participate in Scrum of Scrum

Skills and experience

• Bachelor’s or master's degree in Computer Science or related field 
• 6-7 years’ experience hands-on in Node JS experience, Good Java script fundamentals. Python experience will be a plus.
• Should be experienced in web-based applications and micro-services architecture.
• Experience in relational databases ( PostgreSQL or Redshift)
• Exposure to MOCHA, CHAI test framework
• Knowledge in Test Driven Development.
• Experience of working in Cloud environments like AWS etc
• Knowledge of deploying application on Cloud Foundry
• Excellent coding and debugging skills. Knowledge of design patterns and practical application of the same
• Knowledge of Privacy & Security Rules, aspects for Software is a plus

Personal Characteristics

• Good communication and documentation skills.
• Self-starter, quick learner, ability to work with teams.
• Software Craftsmanship mindset.
• Proactive and self-driven possesses a due sense of urgency.
• Ability to stay focused on the target to deliver in an agile manner.
• Openness to collaborate in interest of project/organization.
• Shall be very good technically; good problem-solving abilities.
• Working with multisite teams, Quality conscious and Process & customer Oriented.

Job Description :

You're going to be at the core of our development team. You'll mainly be coding in Node.js. You'll be doing a little bit of everything from writing backend code that communicates with other internal services, to working with APIs, to writing code that controls EC2 instances and so on.

Requirements :

• Strong understanding of object-oriented programming and functional programming  and design concepts like - dependency injection, abstract classes, interfaces, data, providers, factories, middlewares, interceptors, orm
• Strong understanding of database architecture and design principles MySQL, mongo-DB. Understanding of MongoDB’s aggregation framework is a bonus.
• Excellent knowledge of Node.js frameworks (NestJs preferred) and experience in integrating libraries, authentication, queues, jobs, logger services. Past experience in working on multi-tenant SAAS product is a bonus.
• Experience with AWS, Architecture Design, and Web development. 
• 1+ years of relevant experience
• Passionate about working in a startup and creating a great product
• Must be able to show us projects and or websites that you have created. Bonus points if you’ve created these projects/websites outside of your work (we love seeing proof of how much you love technology and coding).
• Must love to program, must be willing to learn, and must be creative. If you are the type of person who finds learning a new technology or language an exhilarating experience, this is the place for you.

Responsibilities : 

• Working alongside front end developers, designers, and other backend developers creating cutting edge applications
• Delivering programming solutions for a variety of challenging and exciting projects
• Testing applications to ensure they meet users' expectations
• Integrating third-party APIs
• Deliver outstanding projects within tight deadlines