Sr. Backend Developer

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.

What We Expect:

• You should already be exceptional at Backend. If you need hand-holding, this isn’t the place for you.

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

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

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

• You don’t clock in for a pay check; 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.

What You Will Do:

• Develop and optimize high-performance backend systems in for trading platforms and financial services.

• Architect low-latency, high-throughput microservices that push the boundaries of speed and efficiency.

• Build event-driven, fault-tolerant systems that can handle massive real-time data streams.

• Own your work—no babysitting, no micromanagement.

• Work alongside equally driven engineers who expect nothing less than brilliance.

• Learn faster than you ever thought possible.

Must-Have Skills:

• Proven expertise in Backend (if you need to prove yourself, this isn’t the role for you).

• Deep understanding of concurrency, memory management, and system design.

• Experience with Trading, market data processing, or low-latency systems.

• Strong knowledge of distributed systems, message queues (Kafka, RabbitMQ), and real-time processing.

• Hands-on with Docker, Kubernetes, and CI/CD pipelines.

• A portfolio of work that speaks louder than a resume.

Nice-to-Have Skills:

• Past experience in fintech, trading systems, or algorithmic trading.

• Contributions to open-source projects.

• A history of building something impactful from scratch.

• Understanding of FIX protocol, WebSockets, and streaming APIs.

Why Join Us?

• Work with a team that expects and delivers excellence.

• A culture where risk-taking is rewarded, and complacency is not.

• Limitless opportunities for growth—if you can handle the pace.

• A place where learning is currency, and outperformance is the only metric that matters.

• The opportunity to build systems that move markets, execute trades in microseconds, and redefine fintech.

About SATISFIC
Satisfic is focused on the areas of the IT channel marketing. As the channel catalyst, we connect and empower technology suppliers, solution providers and end-users. Headquartered in Singapore and with teams across key countries in APAC, Satisfic leverages its regional service delivery capabilities to help IT channel succeed and grow. 

Please visit our site at http://www.satisfic.com">www.satisfic.com for further details.

What you will be doing:

• SATISFIC is a product-based company; hence will be required to work on product development and support.
• Need to work on the following technologies – Angular, Node JS, Core Web API and PostgreSQL.
• SATISFIC’s product is hosted in AWS. This will provide you with an opportunity to work on the latest cloud technologies
• Coding computer programs.
• Integrate user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, and efficient code and libraries for future use.
• Implementation of security and data protection.
• Timely completion of daily assigned projects as per requirements
• Complete adherence to all metrics and parameters associated with each project through completion of project.
• Effective Time management.
• Mentor and assist Trainee/ Junior Software Engineers to complete assigned tasks.
• Check coding standards and deliverables against each project/product specifications for their own and their junior engineers before delivery.
• Develop module specification documents for internal purpose.
• Lead continuous improvement activities by driving the implementation of process and product quality improvement initiatives.
• Develop innovative solutions that improve the efficiency and reliability of the deliverables and system.

About your experience:

• Total work experience of more than 5 years and minimum 3+ years in development
• Has led a team of developers and coders on Node js
• 3-4 years of proven experience in Node.Js and frameworks available for it.
• Strong proficiency with JavaScript/TypeScript.
• Troubleshoot and debug applications.
• Expertise with Services (REST, SOAP, JSON) and APIs (Service-oriented architectures).
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Understanding fundamental design principles behind a scalable application
• 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.
• Strong interpersonal and communication skills
• Strong analytical abilities
• Project and time management skills
• Quick learner with a positive attitude

Qualifications:

• Master’s / Bachelor’s degree in Computer Science, Software engineering or related area from a good institute is preferred

Reports to: Lead- Software Engineering

About Us

Our client is the ultimate secure platform to trade popular cryptocurrencies and earn an interest up to 17% p.a. on your crypto holdings. 

We offer  trading with the lowest fee in the market and offer the highest interest on your crypto assets to help compound your wealth, all on a single platform.

With our all-in-one trading and investment solutions, we empower users to navigate the crypto-verse.

Job Location: Bangalore

Role & Responsibilities

• 4+ years of recent hands-on coding and in-depth knowledge of building applications in the python framework.
• Have in-depth knowledge of development in Django framework, hands-on experience in working with WebSockets, deploying and managing applications in AWS.
• Have hands-on experience in working with storage, server, and client technologies
• Have testing, and debugging skills, and have experience in working with git, aws.
• Solid OOP and software design knowledge – you should know how to create software that’s extensible, reusable, and meets desired architectural objectives.
• Work with the product team to understand end-user requirements, formulate use cases, and then translate that into a pragmatic and effective technical solution.
• Dive into difficult problems and successfully deliver results on schedule.
• Can take ownership of end to end system
• Firefight with the production issues
• Experience in a peak performance organization, preferably a tech startup

Desired candidates must have 3-7 years of experience as NodeJs Developer.

If the candidate cannot relocate to Gurgaon, 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

•  2 - 6 years of software development experience
•  Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures
•  Excellent analytical, logical and problem-solving skills
• Software Development Engineer
• Good understanding of complexities involved in designing/developing large scale systems
• Strong system design skills
•  Experience in technologies like Elasticsearch, Redis, Kafka etc
• Good knowledge of relational and NoSQL databases
• Familiarity with common machine learning algorithms. In-depth knowledge is a plus
• Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus
• Ability to understand business requirements and take ownership of the work
• Exhibit passion and enthusiasm for building and maintaining large scale platforms

• 2+ years of experience participating in the delivery of technology services.
• A proven ability to learn new applications & innovate in technology
• Strong Experience in technologies like PHP
• Demonstrable knowledge of web technologies including HTML, CSS, Javascript, AJAX etc
• Good knowledge of relational databases, version control tools and of developing web services
• Experience in common third-party APIs (Google, Facebook, Ebay etc)
• Passion for best design and coding practices and a desire to develop new bold ideas
• Experience in integrating, designing and developing solutions is desirable