
About the Role:
We’re looking for a Python Developer to build, optimize, and scale applications that power our trading systems. You’ll work on automation, server clusters, and high-performance infrastructure in a fast-paced, tech-driven environment.
What you’ll do:
- Build and test applications end-to-end.
- Automate workflows with scripts.
- Optimize system performance and reliability.
- Manage code versions and collaborate with peers.
- Work with clusters of 100+ servers.
What we’re looking for:
- Strong Python fundamentals (OOP, data structures, algorithms).
- Experience with Linux commands, Bash scripting.
- Basics of Numpy, Matplotlib, and PostgreSQL.
- Hands-on with automation and scripting tools.
- Problem solver with a focus on scalability & optimization.
Why Dolat?
- Work at the intersection of finance & tech.
- Opportunity to solve complex engineering problems.
- Learn and grow with a team of smart, collaborative engineers.

About Dolat Capital Market Private Ltd.
About
Dolat Capital Market Pvt. Ltd. is a multi strategy trading firm, dedicated to producing superior returns adhering to mathematical and statistical techniques. We trade actively in all Asset classes: equities, futures, options, commodities, currencies and fixed income taking advantage of our ultra low latency infrastructure. Our low latency infrastructure is in C++, one of the most competitive in terms of latency.
Similar jobs
JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
A SaaS startup founded in April 2020.
What’s the opportunity?
Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?
We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers.
We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers.
If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.
Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.
About you:
● 3- 5 years of experience
● Expertise in the following areas ○ Java ○ HTTP Protocol
● You’ve heard of or worked with some of the following tech stacks/products
○ Spring
○ PostgreSQL
○ Redis ○ Docker
○ Message brokers
○ GitHub
● These non-functional areas are familiar to you
○ Performance
○ Debugging
○ Log management
Nice to have:
● Familiarity with AWS
What’s in it for you?
● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.
● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.
● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.
● Growth: You could easily and quickly transition into other roles you might like.
● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.
● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more
• 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.
1. Be a visible leader to drive and own the architecture and design of some of the most advanced & complex software systems / products in the industry to create company wide impact
2. Design systems that can scale to billions of data records in micro service architecture
3. Design and develop full stack product features based on customer and business requirements
4. Be an operational and technical leader with a passion for distributed systems, cloud service development, deployment and delivery
5. Technically Hands-on with scalable Architecture managing team of (30+) Sr. Engineers / Engineers, and coaching mentoring while maintaining a hands-on role with code development
6. Drive code and design reviews of components / systems / products in scope and drives the architectural governance for them
7. Set directional paths for the teams/department for adoption of new technology stacks for solving business problems
8. Be a very visible representative of multiple technology domains and represent Salesken in external technical forums
9. Teamwork skills, flexibility, and ability to handle multiple tasks
10. Bring in software engineering life cycle best practice
11. Analytical and problem-solving skills
Desired Candidate Profile
1. Strong Java, Java 8 including OOAD design patterns
2. A solid engineer with must have knowledge and experience of Micro services design, security designs, and best practices
3. Excellent knowledge and skills in the areas of Java, Spring Boot, JSP/Servlet, J2EE design patterns, App server & Web servers
4. Strong hands-on technology experience building and running large scale systems handling multi-million sessions/transactions per day
5. Excellent knowledge of RDBMS, NoSQL databases like MySQL and Cassandra
6. Strong design/development experience in building massively large scale distributed internet systems and products
7. Excellent programming skills in Java and expertise in multi-threading and performance oriented programming
8. Sound knowledge of cloud platforms like GCP, AWS, Azure, etc
9. Solid experience in Distributed systems, highly scalable products, performance & reliability
10. Excellent understanding of processing platforms and queues
11. Excellent understanding of standard protocols such as HTTP/HTTPS, DNS, SSL, etc
12. Experience and knowledge of open source software, frameworks and broader cutting edge technologies around server side development in Java
Key responsibilities for this role include:
• Lead one of the product verticals in the development of technology strategy, planning, hiring and execution of the next iteration of the WeInvest platform.
• Institutionalize a strong software engineering culture and facilitate a rapid, iterative, layered development approach.
• Be hands on with the coding, evaluate design and architecture choices, do in-depth code reviews, and implement standards and practices for software development.
• Inspire the engineering team to build quality, scalable code by pairing with team members periodically.
• Participate in the definition and management of high-quality product roadmaps based on business, product & tech strategy.
• Proactively identify and resolve strategic issues that may impair the team’s ability to meet strategic, financial, and technical goals.
The ideal candidate will have:
• Masters /BE/ B.Tech from a reputed institute
• About 6-10 years professional experience in software development.
• Excellent logical and analytical reasoning capabilities combined with strong knowledge of core
computer science concepts like algorithms, data structures, software design patterns, OOP etc.
• Should have experience in all the phases of SDLC
• Must have experience in leading a team. (At least 2-3 people)
• Be an expert in ruby on rails with experience OR from Fintech, Wealth Management OR Investment
• Management Domain with experience in any of the programming languages (Java/Python/Ruby).
• Breadth of experience in multiple technologies, tools, frameworks and processes is a big plus.
• Excellent understanding of core computer science concepts like algorithms, data structure,
Software design patterns, OOP etc. Be able to lead the team in design & architecture discussions,
introduce new tools, concepts & process to the team and guide other members of the team.
• Experience working in an agile team with software engineering practices like automated testing,
test- driven-development, continuous integration etc is a big plus.
• Excellent oral and written communication.







