Backend Engineer

Title: Quantitative Developer

Location : Mumbai

Candidates preferred with Master's

Who We Are

At Dolat Capital, we are a collective of traders, puzzle solvers, and tech enthusiasts passionate about decoding the intricacies of financial markets. From navigating volatile trading conditions with precision to continuously refining cutting-edge technologies and quantitative strategies, our work thrives at the intersection of finance and engineering.

We operate a robust, ultra-low latency infrastructure built for market-making and active trading across Equities, Futures, and Options—with some of the highest fill rates in the industry. If you're excited by technology, trading, and critical thinking, this is the place to evolve your skills into world class capabilities.

What You Will Do

This role offers a unique opportunity to work across both quantitative development and high frequency trading. You'll engineer trading systems, design and implement algorithmic strategies, and directly participate in live trading execution and strategy enhancement.

1. Quantitative Strategy & Trading Execution

• Design, implement, and optimize quantitative strategies for trading derivatives, index options, and ETFs
• Trade across options, equities, and futures, using proprietary HFT platforms
• Monitor and manage PnL performance, targeting Sharpe ratios of 6+
• Stay proactive in identifying market opportunities and inefficiencies in real-time HFT environments
• Analyze market behavior, particularly in APAC indices, to adjust models and positions dynamically

2. Trading Systems Development

• Build and enhance low-latency, high-throughput trading systems
• Develop tools to simulate trading strategies and access historical market data
• Design performance-optimized data structures and algorithms for fast execution
• Implement real-time risk management and performance tracking systems

3. Algorithmic and Quantitative Analysis

• Collaborate with researchers and traders to integrate strategies into live environments
• Use statistical methods and data-driven analysis to validate and refine models
• Work with large-scale HFT tick data using Python / C++

4. AI/ML Integration

• Develop and train AI/ML models for market prediction, signal detection, and strategy enhancement
• Analyze large datasets to detect patterns and alpha signals

5. System & Network Optimization

• Optimize distributed and concurrent systems for high-transaction throughput
• Enhance platform performance through network and systems programming
• Utilize deep knowledge of TCP/UDP and network protocols

6. Collaboration & Mentorship

• Collaborate cross-functionally with traders, engineers, and data scientists
• Represent Dolat in campus recruitment and industry events as a technical mentor

What We Are Looking For:

• Strong foundation in data structures, algorithms, and object-oriented programming (C++).
• Experience with AI/ML frameworks like TensorFlow, PyTorch, or Scikit-learn.
• Hands-on experience in systems programming within a Linux environment.
• Proficient and Hands on programming using python/ C++
• Familiarity with distributed computing and high-concurrency systems.
• Knowledge of network programming, including TCP/UDP protocols.
• Strong analytical and problem-solving skills.

A passion for technology-driven solutions in the financial markets.

As a Senior Principal Engineer, you’ll lead a team of engineers through challenging development projects. Come join a highly collaborative team of skilled engineers with a passion for quality. 

What You’ll do:

• Work in an agile environment, orchestrating a group mostly comprised of skilled PHP engineers of various levels to complete User Stories authored by professional Product Managers
• Architect highly scalable/transaction heavy web/API applications
• Work with 1-2 Frontend resources (in addition to backend PHP) through projects in React, Angular (maintenance), MooTools/Jquery (deprecation), Socket.io and serverside NodeJS
• Work with Product and QA Managers in multiple grooming sessions and sprint planning for your team
• Collaborate/coordinate with other Engineering Managers and Leads
• Work with QA and Application Support teams to triage bugs
• Work with DevOps to automate deployment and monitoring of applications
• Design and develop Restful APIs using frameworks with design patterns
• Design JSON payloads and various payload contexts
• Convert complex business rules and workflows from User Story requirements into SalesForce type CRM applications and client facing web portals
• Work with monolithic legacy codebases, along with design patterns in newer repositories
• Work with large database schemas of 500+ tables 
• Write complex queries. Efficiently joining upwards of 20 tables, some containing +10m rows. In T-SQL or Doctrine ORM
• Integrate 3rd party platforms via APIs and callbacks
• Write Unit tests and documentation 

What You Have:

• 10+ years professional experience developing APIs & web based applications in PHP as an individual contributor
• Prior experience working with organized development teams (5+ member pods)
• Prefer hands-on experience using MS SQL Server, CosmosDB, but other relational databases/NoSQL ok (MySQL, Postgres, MongoDB)
• Professional experience using open source PHP frameworks. Symfony3+ preferred (Laravel, CodeIgniter - ok) 
• Experience scaling in LAMP, but also leveraging Redis, RabbitMQ, Elastic Search (ELK), SupervisorD, Socket.io, centralized Session stores
• Prefer experience designing fault tolerant architecture on cloud deployments (loadbalancing, clustering, reducing/eliminating single points of failure, etc)
• Understand branching, merging, pull requests and conflict resolution in Git (Bitbucket or Github)
• Experienced in leveraging issue tracking systems and wikis for documentation (Jira/Confluence)
• Comfortable on CentOS Linux, command line, SSH, SFTP, SCP…
• Full stack is a plus (JavaScript, CSS, HTML, React/Angular/Vue)
• Able to onboard self and others while working entirely remotely in EST
• Experience in Azure PaaS and IaaS
• Experience crafting architecture diagrams in Visio or LucidChart
• Problem solving skills and a proactive work style
• Strong interpersonal & communication skills

Job description

Do you want to work with high traffic OLTP and OLAP systems that provide real value to retailers? Want to build real web applications that work across multiple channels and devices? In this critical role, the right candidate should have an entrepreneurial mind-set, have experience working across an application stack and a strong background in developing complex web experiences that are rich, responsive and interactive. The individual should have exhibited good technical leadership skills and be a highly motivated individual.

Role & Responsibility

• Exhibit strong technical knowledge, leadership skills and independent execution.
• A keen eye for good experiences. Understanding the experience from a customer perspective.
• Drive design discussion of complex features and own development of these modules across the application stack.
• Ability to adapt to changing business and product needs.
• Experience evolving the design and operation scale as new features are added to the product
• Mentor junior developers and ensure quality code output (via code reads, reading references, etc.) from them.
• Co-ordinate with internal teams and external partners in ensuring we build the best solution on time for the customer. Constantly looking at ways to innovate and improve the product.
• 8+ years of experience in Java & J2EE based Web Technologies & Frameworks with a focus in either Service Oriented Architecture or APIs. 
• Experience in designing scalable solutions in a large-scale distributed environment.
• Strong knowledge of web technologies, common web frameworks, networking, SQL and database technologies
• Well versed in software engineering principles, frameworks and technologies
• Strong debugging / troubleshooting skills.
• Ability to propose and defend solutions.
• Ability to work closely with product management, customer support, and  other engineering teams to continuously evolve and innovate the enterprise-class Products.