
Position Summary
We are looking for a strong hands-on Software Engineer to develop and maintain Python 3.10 backend services and FastAPI-based Backend for Frontend (BFF) for the CryoFlow platform. You will address the assigned tasks, understand the expected behavior, implement
clean and well-tested code, and validate your work end to end.
This role suits an engineer who codes well, thinks through problems methodically, learns quickly in an unfamiliar domain, and takes pride in delivering features that work reliably in real product conditions. You will work closely with senior engineers, QA and front-end developers, and will participate in client feedback meetings to understand how your work is used.
Key Responsibilities
• Contribute to the refactor of existing backend capabilities into Python 3.10 services aligned with CryoFlow architecture and deployment practices.
• Develop and maintain REST APIs, Microservices, BFF using FastAPI and Uvicorn, exposing clear APIs for product workflows, integration screens and front-end consumers.
• Follow team coding standards, branching strategy, review process and API conventions consistently
• Implement backend logic for status updates, validation, data persistence, device/session edge cases, report-generation helpers and user-facing error handling.
• Deliver assigned backlog items and tasks on schedule, with clean, readable and maintainable code.
• Participate in design discussions and reviews; propose simple, practical approaches and incorporate feedback well.
• Write and maintain tests for Python services and integration flows, including API tests, BFF route tests and mocked external calls.
• Debug across backend code, API responses, logs, databases and front-end symptoms with support from senior engineers where needed.
• Work closely with front-end developers on Angular integration and help debug integration issues.
• Collaborate with QA on test scenarios, defect reproduction and verification.
• Participate in client feedback and review meetings; understand feedback, capture action items and follow through.
Qualifications
• Bachelor’s or Master's degree in computer science, Software Engineering, Information Technology, or a related discipline.
Essential Skills
Technical Expertise
• 5+ years of hands-on software development experience in backend or API-oriented applications.
• Strong Python programming skills, ideally with Python 3.10, in backend services or APIoriented applications.
• Hands-on experience with FastAPI and Uvicorn, including route design, validation, dependency injection patterns, async behaviour and logging.
• Working experience with or exposure to BFF layers that adapt backend/domain services for front-end workflows.
• Good understanding of REST APIs, data validation, error handling and service-toservice calls.
• Awareness of Microservice architecture and the trade-offs involved in service design.
• Strong problem-solving and debugging skills across code, APIs, logs and databases.
• A practical testing mindset: unit tests, API tests, mocks/fixtures and regression checks.
• Very good written and verbal communication skills.
• Ability to work independently on assigned tasks and collaborate effectively within a team.
Preferred Skills
• Familiarity in developing software for scientific instruments, laboratory automation, imaging systems, life sciences, healthcare technologies, medical devices, industrial automation, or other hardware-integrated software platforms.
• Familiarity to Angular v.17 front-end frameworks for integration and debugging.
• Familiarity with Docker, Kubernetes, container orchestration, observability, and production monitoring.
• Experience working in regulated or quality-controlled software development environments

About Envisioned Strategy and Consulting
About
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Job Title : Senior Software Engineer
Experience : 5+ Years
Location : Mumbai (Work from Office)
Notice Period : Immediate to 15 Days
Mandatory Skills :
Platform Engineering, Backend Development, Python/Golang/Node.js/Elixir, Microservices, REST APIs, Cloud-Native Architecture, Distributed Systems, SQL, Cloud Platforms (AWS/Azure/GCP), Product-Based Experience
Role Overview :
We are looking for a Senior Software Engineer with strong backend engineering expertise to design, build, and scale cloud-native platform services. The ideal candidate should have experience working in product-based organizations, building highly scalable distributed systems, and contributing to platform engineering initiatives.
You will work closely with Product, DevOps, Security, and Engineering teams to build reliable, secure, and high-performance backend systems while driving technical excellence across the organization.
Key Responsibilities :
- Design, develop, and enhance core platform modules and shared backend services.
- Build scalable REST APIs, backend services, and data pipelines for high-volume production environments.
- Participate in architecture discussions and contribute to technical design decisions.
- Collaborate with Product, DevOps, Security, and Data Engineering teams to deliver scalable solutions.
- Design systems with a focus on scalability, performance, security, maintainability, and reliability.
- Troubleshoot complex production issues and implement permanent solutions.
- Review code, mentor engineers, and promote engineering best practices.
- Improve platform reliability, observability, and developer productivity.
- Drive continuous improvements in coding standards, architecture, and development processes.
Required Skills & Qualifications :
- 5+ years of software development experience in product-based companies (B2B experience preferred).
- Strong backend development experience using one or more of :
- Python
- Golang
- Node.js
- Elixir
- Hands-on experience with Microservices Architecture.
- Strong understanding of Cloud-Native Application Development.
- Experience designing and developing RESTful APIs and backend services.
- Minimum 3 years of experience working on cloud-based, customer-facing production applications.
- Strong knowledge of Distributed Systems Design.
- Experience with relational and NoSQL databases.
- Good understanding of SQL and data modeling.
- Experience designing reusable platform services consumed by multiple engineering teams.
- Strong product mindset with the ability to balance business requirements and technical excellence.
- Backend-focused engineer with exposure to frontend technologies.
Preferred Skills :
- Experience building highly scalable distributed platforms.
- Strong debugging and performance optimization skills.
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Familiarity with DevOps practices, CI/CD pipelines, monitoring, logging, and observability tools.
- Excellent analytical, communication, and problem-solving skills.
- Experience mentoring engineers and driving technical initiatives.
Preferred Background :
- Product-Based Organization
- Platform Engineering Team
- FinTech or B2B SaaS products (preferred)
Software Development Engineers will be responsible to participate in all stages of
the software product development life cycle. This will include analyzing system
and user requirements, designing software flowcharts, writing clean Java code,
troubleshooting bugs, and running tests to improve system functionality.
An ideal candidate would be someone who has proficiency in Java technologies,
good analytical skills, the ability to anticipate issues and frame remedial actions,
and excellent teamwork skills.
What will you be doing?
● Write simple, efficient, and maintainable code.
● Design, develop, scale and maintain backend services in Java
● Manage individual priorities, deadlines, and deliverables.
● Validating the functionality and security of the application.
● Function well in a fast-paced, rapidly changing environment
● Ensuring best coding standards and practices to improve and maintain
quality.
● Meeting with the engineering and product team to discuss project definitions
and goals.
What will you need ?
● Bachelor/Master degree in CS or related field from a reputed college
● Sound knowledge of Java technologies.
● Solid grip on the programming basics like DS and algorithms, OOPS.
● Understanding & experience with software design pattern, restful APIs and
microservice architecture
● Experience with software design and application programming.
● Prior experience in start-ups or health-tech will be a plus
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.
We are seeking for an accomplished professional with minimum 2 years of experience. The ideal candidate needs to be a self-motivator who is willing to work in a bright, busy, deadline-driven environment. The candidate will be a part of a technical team that is responsible for all aspects of the ongoing software development from the initial specification, through to developing, testing and launching.
Required skills: Excellent knowledge of working with Core PHP & MySql. Expertise in any of the PHP based framework like: CodeIgniter, Lumen, laravel, cakephp, Zend Framework. Good Knowledge and relevant work experience in CSS, HTML5, PHP, MySQL, HTML/XHTML, XML, JavaScript, JQuery and AJAX. Should have Knowledge in developing Rest APIs. Additional knowledge in web technologies like AngularJS, Node.JS and React.JS is a plus.
Required Candidate profile: Excellent verbal and written communication skills. Minimum of 2 years experience in PHP application development. Experience of hospitality/travel Domain would be an advantage.
We are looking for an experienced NodeJS/ExpressJS/TypeScript developer. You will work on the most
critical software development team in a fast-growing data-centric software company. You will develop high performance, highly available REST and GraphQL APIs that will deliver data to our suite of web and mobile
apps.
Duties and Responsibilities
Software Development: You will work with the engineering lead to design and develop REST and
GraphQL APIs that will serve data from MongoDB and ElasticSearch.
Automated Test Scripts: You will write automated test scripts for all of your code. You will work with
the QA manager to determine optimal code coverage.
Code Reviews: You will assist in reviewing PRs raised by other team members. You will be
responsible for ensuring that the code satisfies the documented requirements, includes the necessary
automated tests and follows our documented coding standards and best practices.
API Support: API issues will be reported manually and automatically (via alerts) to a series of Slack
channels. You will monitor these channels and create Jira tickets to diagnose and fix these issues. You
will ensure that affected API consumers are informed regularly as to the status of the open issues.
API Documentation: You (and the rest of the API team) will be responsible for keeping the API
documentation up to date.
Skills and Qualifications
Bachelor's degree in computer science, information science, or similar.
Exceptional analytical and problem-solving skills.
Great organizational and time management skills.
Extensive knowledge of NodeJS libraries and frameworks.
REST APIs: 3+ years required.
GraphQL APIs: 1+ years desired.
ExpressJS or Fastify: 2+ years required
Advanced TypeScript: 1+ years required
NodeJS: 2+ years required
Node Streams: 1+ years desired
AWS High-Availability Clusters: 1+ years desired
MongoDB: 2+ years desired
Search Engines (ES or Solr): 2+ years desired
Big Data: 1+ years’ experience querying datasets with hundreds of millions of rows desired
Mocha/Chai: 1+ years desired
Bitbucket or GitHub: 1+ years required
Job Description:
As a L3 analyst, you will play a key role within the Application Management team, leading services for its customer(s). This service has responsibility for the smooth daily operational running of the Client platform both in the cloud and on-premises. The Client application is business critical and centrally manages data for trading, settlement, risk, client and regulatory reporting systems. As a L3 analyst, you will be responsible for supporting complex infrastructure and application issues raised by L1/L2 support teams, and business analysts. You would also be working on client requests for enhancements, fixes, maintaining custom code, and following the best practices such as Agile, DevOps, etc.
The role is a technical role requiring a good technical knowledge of SQL/PLSQ, Core Java along with good debugging skill while supporting client implementations. You should have basic understanding on Unix system and commands. The ability to troubleshoot issues, assist users and help write specifications is essential. This position also works with product management to improve the software engineering processes and practices associated with continuously building, deploying, and updating software and environments.
- Accountability and primary responsibility/duties:
- A typical day would look like as follows: -
- 40% support issues.
- 40% configuration/development work.
- 20% continuous improvement, automation, CICD, so on.
- Activities would range across the lifecycle from discovery to post-implementation support.
- Understanding client’s requirement, replicate the problem and providing the solution
- Understanding and developing new requirements coming in from BAs (Business Analysts) and customers.
- Update the existing functionality based on client needs.
- Develop changes that cater to enhancing the product and/or fixing production issues
- Prepare product releases of software components. (Java/SQL-PLSQL)
- Contribute in all phases of the development cycle. (development/Deployment/Testing, peer review)
- Create technical document for all changes made.
Required Qualifications/Knowledge/Skills
- Bachelor’s degree in Computer Science or related field
- Strong basics and working experience in following technologies: -
- Core Java.
- SQL / PLSQL coding.
- Object Oriented Programming concepts and data structures.
- Working knowledge on Unix platform
- Working knowledge on XSLT and XML handling
- Basic understanding App & web server working knowledge (JBOSS, WebLogic and WebSphere) and debugging skills.
- Advantageous to have:
- Working understanding on CICD, Dev-ops technologies.
- Queuing technologies including Kafka, MQ, Solace.
- Scripting including Python, Unix, java.
- Hands on knowledge of Dev ops processes and tools Good interpersonal and communication skills.
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
- 2+ years of experience with Node.js/Express.js or similar framework
- 1+ years of experience with MongoDB
- 1+ years of experience creating REST APIs and backend systems
- Experience with Docker is a plus
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Server Setup/AWS/GCP experience is a plus
- Creating APIs and backend systems
- Scraping sites and creating backend dashboards for data management
- Backend infrastructure management and deployment
Responsibilities:
- Developing and maintaining all server-side network components.
- Ensuring optimal performance of the central database and responsiveness to front-end requests.
- Collaborating with front-end developers on the integration of elements.
- Designing customer-facing UI and back-end services for various business processes.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
Requirements:
- Bachelor's degree in computer science, information science, or similar.
- At least two years of experience as a Node.js developer.
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Availability to resolve urgent web application issues outside of business hours.
You will be responsible for designing, developing, testing, and debugging responsive mobile and web applications.
Qualifications Required -
· Bachelor's degree or equivalent in Computers
· Experience - 3-4 Years
· Some experience with Mobile App development will be plus
Skillsets:
- Experience in with Node.js, Express.js, REST API
- Experience with NoSQL database - MongoDB
- Experience with AWS services









