
Backend SDE 4 - Go and Python
at a leading provider of electronic trading solutions in India. With over 1,000 clients and a presence in more than 400 cities, we have established ourselves as a trusted partner for brokerages across the nation. Our commitment to excellence is reflected in millions of active end users and our reputation for delivering the best customer service in the industry.
Experience and Expertise
● 7– 10 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.
Skills
● Strong analytical and debugging skills with the ability to solve complex problems.
● Good communication and collaboration skills across teams.
● Ability to work independently with minimal supervision while being a strong team
player.
● Growth mindset – eagerness to learn new technologies

Similar jobs
Key Responsibilities
AI/ML & Python Development
- Design, develop, and integrate AI-powered solutions and intelligent features using Python.
- Build and implement Retrieval-Augmented Generation (RAG) pipelines to enhance knowledge retrieval and contextual AI responses.
- Develop AI applications using modern frameworks and tools such as LangChain, LlamaIndex, and AI Agents/Autonomous Workflows.
- Integrate Large Language Model (LLM) APIs, including OpenAI and similar platforms, into enterprise-grade applications.
- Design, implement, and manage vector databases to enable semantic search and AI-driven information retrieval.
- Collaborate with cross-functional teams to evaluate, fine-tune, and optimize AI models for performance, scalability, and accuracy.
- Stay updated with emerging AI technologies, frameworks, and industry best practices to drive innovation.
About Us:
At Tradelab Technologies Pvt Ltd, we don’t just build web applications, we create highperformance trading platforms tailored for brokers and financial institutions. Our platforms powerreal-time market analysis, ultra-low-latency trade execution, and seamless broker-client interactions. We work in a high-stakes, outcome-driven environment where brokers demand reliability, speed, and security. If you're an expert React developer who thrives on solving complex front-end engineering challenges in the brokerage and trading domain, this is the role for you.
Min 2 years of mobile development experience, with 1+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Strong expertise in security, encryption, and compliance—you know fintech demands precision.
A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.
A mindset that thrives under pressure—we work fast, and we expect results.
Lead the development of world-class fintech mobile applications that redefine user expectations.
Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.
Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra secure user experiences.
Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring
absolute security.
Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.
Own your work end-to-end—no excuses, no hand-holding, just results.
What You Will Do:Must-Have Skills:
Min 2 years of mobile development experience, with 2+ years in Flutter & Dart.
Proven ability to build and scale real-time, high-performance fintech applications.
A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Nice-to-Have Skills:
Experience in high-frequency trading, stock markets, or financial data visualization.
Contributionsto open-source Flutter projects or a portfolio of high-impact applications.
Knowledge of AI-driven UX, machine learning integrations, or automation in mobile apps.
A background in mentoring developers, leading mobile teams, or setting architectural standards.
Why Join Us?
Work with some of the sharpest minds in fintech and mobile engineering.
Build products that traders, investors, and financial professionals rely on daily.
A culture that values bold innovation, fast execution, and pushing boundaries.
Expect challenges, high expectations, and relentless pursuit of excellence.
Take complete ownership—from ideation to deployment, every pixel and every line of code should
scream excellence.
Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of fintech mobile applications.
If you’re obsessed with performance, thrive under pressure, and are driven by results, we want you on our team. This is your chance to solve some of the toughest engineering challenges in
fintech. Step up. Apply now.
You have 3 to 14 yrs of software engineering & product delivery experience with strong
background in datastructures & algorithms
• You’ve proven software development credentials having successfully built complex
products
• You are experienced with one or more general programming languages (e.g. Java, C/C++,
Go). Ability to learn other coding languages as needed.
• You’ve proven software development credentials having successfully built complex
products
• You have a strong foundation in the fundamentals of computer science, with familiarity in
data structures, algorithms and a strong command of object-oriented principles.
• You have experience in one or more of the following areas: Server Backend, Distributed
and Parallel Systems, Full Stack Development (frontend and backend), Scalable Enterprise
Platforms and Applications, Application Security and Incident Management, Android,
iOS, and Machine Learning.
• You have a spark that separates you from the crowd and ability to think out of the box and
on your feet
• You possess multi-dimensional skills that make you a valuable co-worker in a fast,
changing and ambiguous environment
• You have the ability to learn other coding languages as needed real quick
• You are comfortable in working with a team that deals with ambiguity every day
Key Responsibilities:
- SDLC development of product features, enhancements, UAT/production issues.
- Work with development team members for development of product features.
- Client-side and server-side development.
- Develop and manage well-functioning databases and application.
- Write/ design product APIs and write unit test cases.
- Follow standard agile scrum practices for software development.
- Peer review, pull requests, code refactoring and managing source code per standards and ensure quality.
Required Experience & Skills:
- 5+ years of software development experience using Microsoft .Net technology stack.
- Strong experience in .Net, .Net Core, C#, Entity Framework, SQL server, JavaScript, jQuery, etc.
- Experience in using unit test framework e.g., xUnit, Moq.
- Experience in Web API development.
- Experience in Agile / SCRUM development process.
- Good to have experience in Domain driven design development and Microservice architecture.
- Excellent communication and teamwork skills
- Good to have knowledge and experience in ABP.IO framework, Angular 8+, PostgreSQL and AWS cloud service and CI/CD process.
Zumen is a Cloud-based Source-to-Pay software for product manufacturing companies.Zumen enables product manufacturing companies to digitize their direct sourcing and procurement, and manage every detail of the process in a transparent, collaborative platform. With Zumen’s part life cycle management, BOM interface, supplier base visibility and product cost management, companies can build an agile, resilient supply chain and get their products to market faster. Zumen is headquartered in Delaware, USA
Responsibilities:
- Develop features and modules independently based on the overall product architecture provided.
- Research and find solutions to challenging new problems; align with technology needs of the future.
- Fully grasp the product concept and think through challenging customer variations and use cases.
- Proactively seek to identify issues and resolve them at the stages of design, deployment and QA.
- Maintain quality and ensure responsiveness of applications.
- Demonstrate a strong sense of milestone-based performance and adherence to overall development timelines.
Requirements:
Experience - 2 to 5 years experience in Java Tech stack
- Strong hands-on experience in Java, Spring Boot, microservices and Rest API.
- Good understanding of general data privacy and information security.
- Exposure to cloud securities for SAAS application development would be an added advantage.
- A good understanding of all facets of building and delivering data-centric products is desirable.
- Knowledge of code versioning tools.
• Proven working experience in backend app development and experience with Node JS.
• Build advanced ecommerce backend applications for the multiple client platforms (both React and Android).
• Understanding of design principles and good architecture patterns.
• Proper Data Structures and Algorithm knowledge is a must.
• Graph QL and Apollo Server knowledge.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and APIs like the one of Unicommerce.
• Create Unit-test code for robustness, including edge cases, usability, and general reliability.
• Work on bug fixing and improving application performance.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Translate designs and wireframes into high quality code.
• Have a good understanding of CI/CD tools (any).
• Robust knowledge of popular databases like MongoDB, Elastic Search, DynamoDB, Redis etc;
• Knowledge about AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus.
MUST HAVE
• CI/CD
• 3+ years in Node JS
• HTML, CSS, JavaScript
• MongoDB, Elastic Search, DynamoDB, Redis
• AWS Services like EC2, Lambda, Kinesis, Redshift, S3 is super plus.
• Data Structures and Algorithm knowledge is a must.

-
Total of 3-5 years of experience building cutting-edge products.
-
Must have a degree in Computer Science or a related field. Strong understanding of object-oriented programming, concurrency, and fundamentals of computer science.
-
Technically Hands-on, prior experience with scalable Architecture.
-
Bring 3-5 years of software engineering and product delivery experience, with a strong background in algorithms.
-
Excellent command over Data Structures and Algorithm Proficiency in implementation of algorithms and use of advanced data structures to solve problems in computing
-
Exceptional coding skills in an Object-Oriented programming language (Python preferred with Django framework).
-
Strong problem-solving and analytical skills.
-
Experience with web technologies Java/Python, Linux, Apache, MySQL, solr, memcache, redis.
-
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.
-
Java/ Python, MySQL, Redis, ElasticSearch, Problem Solving, Scalability, Design Patterns, Distributed System
-
Develop complex software products that include scale, algorithmic complexity, and a huge amount of data.
-
Build cutting-edge scalable systems by writing simple and efficient code.
-
Code, develop, design, and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship
-
Contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
-
Design, implement, and maintain highly scalable, multi-tier, distributed server software applications
-
Deliver across the entire app life cycle, design, build, deploy, test, release to app stores, and support
-
Working directly with developers and product managers to conceptualize, build, test, and release products
-
Take responsibility for performance and stability for all server functions
-
Continuously discover, evaluate, and implement new technologies to maximize development efficiency
As an experienced engineer we know that you have built software to solve various business problems at your previous workplaces. You may have also explored technologies on your own for your learning or hobby projects.
- You will be building APIs for the Synup platform and also UI to make our platform capabilities available to our customers.
- You and the team that you are a part of will be collectively responsible building performant software and customer experiences that scale to our next million customers.
- You will be responsible for writing technical specs and contributing to it's implementation. We expect that you would have done the same in your previous workplaces.
- Other folks on our team are looking forward to learn from your experiences.
For engineers that join our team
- We expect you to be good with Ruby or Python to build APIs.
- You will be contributing to our UI that is built with React and GraphQL.
- We hope our team members have a strong grasp of software design patterns and know when to put them to good use.
- Experience with an SQL datastore would help a lot. PostgreSQL is our primary datastore.
- We optimize our search functionality and rollup reports by using ElasticSearch
- We expect that you have used Redis. Redis is our swiss army knife to solve a lot of problems apart from just caching.









