Web Developer-Backend

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:

• 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.

What You Will Do:

• 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.

Must-Have Skills:

• 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

Responsibilities:

• Take on complex problems that span multiple components and teams.

• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support

• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.

• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions

• Produce architecture with clean interfaces, that are efficient and scalable

• Participate and contribute to architectural discussions

• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage

• Continuously improve performance metrics of modules you own.

• Collaborate effectively across teams to solve problems, execute and deliver results

Requirements:

• Experience: 3+ years

• A Bachelor's or Master's Degree in Computer Science

• Software engineering and product delivery experience, with a strong background in algorithms

• Experience in architecting & building real-time, large-scale e-commerce applications

• Experience with high-performance websites catering to millions of daily traffic is a plus

• Excellent command over Data Structures and Algorithms

• Experience with web technologies, Go/Java/Python

• Language: GO or Python

• Strong expertise in DS and Algo

• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.

• Have worked in the scaling of the system right from scratch.

• Someone worked in small user base to a large user base and wrote optimized code

• Both HLD and LLD

About the role: In this role, you will be responsible for the end-to-end development of software solutions related to banking, payments, investments, wallets, and other fintech products. You will work closely with software engineers, test engineers, researchers, designers, and the management team.

You will be responsible for enforcing software development best practices in a fast-paced Agile/DevOps environment, while always focusing on delivering high-value. In the process, you will work with primarily fintech technologies and other distributed systems-related tools,
techniques and methodologies.

If you want to join an early-stage startup that values you and your skills, and gives you the freedom to work at your pace while delivering a fantastic all-in-one financial app for all Indians, this is the perfect role for you.

About us: Mool is an all-in-one financial app where you can save, spend and invest your money with confidence. We understand that everyone deserves a good relationship with their money and growing your wealth should not be a difficult process. To help you gain financial freedom, we bring together champions of the financial service industry to champion you with best-in-class products.

Our ideal candidates will:
• Be highly experienced in Golang. So, if you have at least 1 year of active golang development experience, we want you!
• Have a good understanding of the MVC framework and also proficiency in using advanced JavaScript libraries and frameworks such as ExpressJS, FastifyJS and other backend and frontend frameworks
• Understand and experience with cloud technologies: AWS (Must have) and Azure.
• Be knowledgeable in code versioning tools and dev ops methodologies such as Git.
• Highly experienced with various databases such as MongoDB, PostgreSQL, MYSQL
• Have worked on Relational Database and can figure out where to add Indexes in DB to optimise the performance
• Know how Cache Layer works (e.g. Redis)
• Have experience with queuing services and frameworks such as KafkaRabbit MQ. We prefer it if you have experience with fintech systems and applications
• Expected to have a good understanding of security practices for financial systems.
• Have experience in writing Unit and E2E test cases
• Have experience with Network Security or Ethical Hacking
• Experience with integrating banking APIs

Roles and responsibilities:
• Take an active part in the design process of the architecture of the mobile application
• Maintain quality and ensure responsiveness of applications
• Collaborate with the rest of the engineering team to design and launch new features
• Maintain code integrity and organization
• Working with the design team to convert designs to visual elements
• Implement security and data protection systems and processes to ensure information security compliance
• Oversee full software development lifecycle for the product

• Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.  
•  
• Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.  
• To know more visit https://elocitytech.com/" target="_blank">https://elocitytech.com/ 

• Responsibilities:  
• Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.  
• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.  
• Create low-level design of modules of a software application through proper documentation and diagrams.  
• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data and processes and following established software development practices and processes.  
• Develops proof of concepts for technical evaluation and early customer feedback  
• Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications  
• Networks with internal and external personnel in own area of expertise.  

• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.  
• Experience in Debugging/troubleshooting TypeScript code.  
• Experience in API development (REST/GraphQL etc)  
• Experience in development of Web and Mobile(android/iOS) applications  
• Exposure of Parallel and Asynchronous programming  
• Experience in writing Unit tests (Jest or any similar framework)  
• Should be proficient in relational Database concepts (Postgres etc.)  
• Knowledge of Non-relational Databases would be a plus.  
• Good Understanding of Object-Oriented Programming Concepts.  
• Good Understanding of Design Patterns.  
• Good command of Data structures, Algorithms and Complexity.  
• Good at problem solving and analytical skills.  
• Experience with Source Code Versioning systems (Git etc)  
• Understanding of Micro services Architecture would be a plus has context menu

What You'll Do:

• Understand the upcoming development requirement of product in depth.
• Design product architecture as per vision, insights and concurred direction.
• Design and develop the APIs using Java, Spring, and Hibernate required for the product and expose them to be used by the front-end developers.
• Design the database and tables in MySQL/PostGreSQL/NoSQL (whichever is suitable for the need of the product) and guide the team to utilize them in the best possible way.
• Get involved in continuous maintenance of the product and get the bugs fixed in time.
• Coordinate the workflow between the UX Designers and front-end developers.
• Work on integrating flows with external tools - Segment, Branch, Clevertap.

Ideal Profile:

• Proficiency in Core Java & Spring framework.
• Expertise in Web Service technologies.
• Experience in building the architecture as per the product’s need.
• Experience in building REST APIs using Java/Spring.
• Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL.
• Experience in full life cycle development of a product (specifically mobile products) is a plus.
• Experience with Java/Spring-Boot, Hibernate Cloud Services, AWS.
• Experience with security principles and frameworks.
• Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools (primarily Git).
• Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Tomcat, SVN, Git, Postman/Newman.
• Should have worked in Agile methodologies.
• Good object-oriented and problem-solving skills.
• Strong communication skills along with the ability to work in a highly collaborative environment.

Something we will like in you -

You enjoy the excitement of developing new software, mobile apps, and you have a vision for building stable, reliable, and performant systems.

You must have solid foundational knowledge in software development and debugging.

You might have a Computer Science or Engineering degree, or you might not. Your university is not what we're looking for. We care about what you can do at work and how you do it.

This is a remote job. You're free to work where you work best, anywhere in the world: home, co-working space, coffee shops.

Do you recognize yourself in these statements:

• You are comfortable under pressure, and you enjoy working on a broad array of projects with different technical requirements.
• You love unwinding tricky problems, finding the causes, and fixing them for good.
• You take pride in your work with or without accolades from others.
• You care about your coworkers and want to make their lives better.
• You enjoy working across teams to help ship new features and fix bugs.
• You approach your work with curiosity, enthusiasm, and tenacity.

Pay and benefits

• The salary for this position is INR 20000 - INR 30,000
  We assess your seniority relative to the team at Shimbi Labs during the interviewing process. It doesn't matter how many years you worked before.
• Work from anywhere.
• Allowance for the Internet connection.
• Laptop and power backup (After a year).
• 21 days paid leaves.
• Health insurance after a year with us (After a year).

Skills required:

1. PHP 7.x, MySQL 5.x

2. Must have experience of 5+ years with core OOP

3. Must have experience in MVC framework Laravel ( Must ) , CakePHP (2/3), CodeIgnitor, deep understanding of MVC architectures etc.

4. jQuery, BootStrap, JavaScript, CSS3, HTML5, AngularJS.

5. Must have Version Control knowledge of Git (preferred), SVN.

6. Must have experience in REST, SOAP API creation and integration for mobile applications.

7. Must be good in scalable programmng and coding PSR standards.

Responsibilities:

1. Ability to handle work independently.

2. Ability to work with large database, can create database and optimize.

3. Able to communicate easily with iOS and Andriod teams.

4. Can solve technical issues and have strong debugging skill.

5. Ability to build strong architecture and analytical skills.

6. Know SDLC and Agile development methodology.

7. Can use latest collaboration tools like Jira, BitBucket, Confluence.

8. Must have developed on SaaS base web applications and enterprise applications.

9. Must be knowing about current technology trends.

At BACQ, our mission is to build financial services that are simple, accessible and affordable.

BACQ is founded by Sachin Bansal & Ankit Agarwal to build consumer-centric and technology-driven businesses in the BFSI (Banking, Financial Services & Insurance) space.

• Work on the development backend systems for our first product
• Build reliable, secure and performant backend systems
• Drive test coverage and continuous delivery automation within the team
• Mentor and provide feedback to teammates

• 2+ years of software development experience
• Strong computer science fundamentals
• Good knowledge of Java ecosystem
• Can write code that is readable, maintainable and performant
• Know the importance of tests and how to approach writing different types of tests
• Good understanding of relational databases, transactions, entity-relationship modeling
• Comfortable writing multi-threaded programs

• Understanding of domain-driven design concepts like ubiquitous language, bounded contexts, aggregates and domain events
• Know how to use test driven development as a design tool 
• Good intuition for the principles underlying object-orientation, particularly encapsulation
• Understand the importance of immutability and of reducing the state-space of objects
• Seek to identify key underlying ideas and use those as building blocks before reaching for shiny new tools
• Have read some of our https://docs.google.com/document/d/18eWIOPYs0Hi8Kr4lXTtP_XMJp_4BrBzOd9Eui8v_l-c/edit?usp=sharing">favourite books