
About the Role
At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.
Our flagship platform is currently under development. As a Backend Engineer, you will play a foundational role in designing and building the core trading engine and research infrastructure from the ground up. Your work will focus on developing performance-critical components that power backtesting, real-time strategy execution, and seamless integration with brokers and data providers. You’ll be responsible for bridging core engine logic with Python-based strategy interfaces, supporting a modular system architecture for isolated and scalable strategy execution, and building robust abstractions for data handling and API interactions. This role is central to delivering the reliability, flexibility, and performance that our users will rely on in fast-moving financial markets.
We are a remote-first team and are open to hiring exceptional candidates globally.
Core Tasks
· Build and maintain the trading engine core for execution, backtesting, and event logging.
· Develop isolated strategy execution runners to support multi-user, multi-strategy environments.
· Implement abstraction layers for brokers and market data feeds to offer a unified API experience.
· Bridge the core engine language with Python strategies using gRPC, ZeroMQ, or similar interop technologies.
· Implement logic to parse and execute JSON-based strategy DSL from the strategy builder.
· Design compute-optimized components for multi-asset workflows and scalable backtesting.
· Capture real-time state, performance metrics, and slippage for both live and simulated runs.
· Collaborate with infrastructure engineers to support high-availability deployments.
Top Technical Competencies
· Proficiency in distributed systems, concurrency, and system design.
· Strong backend/server-side development skills using C++, Rust, C#, Erlang, or Python.
· Deep understanding of data structures and algorithms with a focus on low-latency performance.
· Experience with event-driven and messaging-based architectures (e.g., ZeroMQ, Redis Streams).
· Familiarity with Linux-based environments and system-level performance tuning.
Bonus Competencies
· Understanding of financial markets, asset classes, and algorithmic trading strategies.
· 3–5 years of prior Backend experience.
· Hands-on experience with backtesting frameworks or financial market simulators.
· Experience with sandboxed execution environments or paper trading platforms.
· Advanced knowledge of multithreading, memory optimization, or compiler construction.
· Educational background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.
What We Offer
· Opportunity to shape the backend architecture of a next-gen fintech startup.
· A collaborative, technically driven culture.
· Competitive compensation with performance-based bonuses.
· Flexible working hours and a remote-friendly environment for candidates across the globe.
· Exposure to financial modeling, trading infrastructure, and real-time applications.
· Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.
Ideal Candidate
You’re a backend-first thinker who’s obsessed with reliability, latency, and architectural flexibility. You enjoy building scalable systems that transform complex strategy logic into high-performance, real-time trading actions. You think in microseconds, architect for fault tolerance, and build APIs designed for developer extensibility.

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Who are we :
Trendlyne is a funded, profitable products startup in the financial markets space. We have cutting-edge analytics products built for Indian and US customers, for stock markets and mutual funds.
Our founders are IIT + IIM graduates, with strong tech and marketing experience. We have top finance and management experts on the Board of Directors.
What do we do :
We build powerful analytics in the US and Indian stock market space that are best in class. Organic growth in B2B and B2C products has already made the company profitable. We deliver 1 billion+ APIs every month to B2B customers, and have a B2C website and app.
Tech Stack :
- Python (Django / Flask / FastAPI)
- PostgreSQL / MySQL
- Redis / caching systems
- REST APIs
Job Responsibilities :
- Develop and maintain scalable, robust backend systems using Python frameworks.
- Work closely with product managers and other cross-functional teams to help define, scope, and deliver world-class products and high-quality features addressing key user needs.
- Translate requirements into system architecture and implement code while considering performance issues of dealing with billions of rows of data and serving millions of API requests every hour.
- Ability to take full ownership of the software development lifecycle from requirement to release.
- Writing and maintaining clear technical documentation enabling other engineers to step in and deliver efficiently.
- Embrace design and code reviews to deliver quality code.
- Play a key role in taking Trendlyne to the next level as a world-class engineering team.
- Develop and iterate on best practices for the development team, ensuring adherence through code reviews.
- As part of the core team, you will be working on cutting-edge technologies like AI products, online backtesting, data visualization, and machine learning.
- Proficient understanding of the performance of web and mobile applications.
Job Requirements :
- 1+ years of experience with Python and Django / Flask / FastAPI.
- Good knowledge of APIs, databases, and system performance.
- Strong understanding of relational databases like PostgreSQL or MySQL and Redis.
- Ownership mindset: you build it, ship it, and take responsibility for it in production.
- Strong communication skills: ability to articulate technical decisions clearly to both engineers and non-technical stakeholders.
- Bonus: Familiarity with JavaScript, HTML, or CSS is a plus but not required.
- Strong understanding of Core Python, data structures, OOPs, exception handling, and logical problem-solving.
- Experience in at least one Python framework (FastAPI preferred, Flask/Django acceptable).
- Good knowledge of REST API development and API authentication (JWT/OAuth).
- Experience with SQL databases (MySQL/PostgreSQL) & NoSQL databases (MongoDB/Firestore).
- Basic understanding of cloud platforms (GCP or AWS).
- Experience with Git, branching strategies, and code reviews.
- Solid understanding of performance optimization and writing clean, efficient code.
- Develop, test, and maintain high-quality Python applications using FastAPI (or Flask/Django).
- Design and implement RESTful APIs with strong understanding of request/response cycles, data validation, and authentication.
- Work with SQL (MySQL/PostgreSQL) and NoSQL (MongoDB/Firestore) databases, including schema design and query optimization.
- Experience with Google Cloud (BigQuery, Dataflow, Notebooks) will be a strong plus.
- Work with cloud environments (GCP/AWS) for deployments, storage, logging, etc.
- Use version control tools such as Git/BitBucket for collaborative development.
- Support and build data pipelines using Dataflow/Beam and BigQuery if required.
- Experience with GCP services like BigQuery, Dataflow (Apache Beam), Cloud Functions, Notebooks etc
- Good to have Exposure to microservices architecture.
- Familiarity with Redis, Elasticsearch, or message queues (Pub/Sub, RabbitMQ, Kafka).
🚀 Hiring: Python Developer
⭐ Experience: 2+ Years
📍 Location: Mumbai
⭐ Work Mode:- 5 Days Work From Office
⏱️ Notice Period: Immediate Joiners
(Only immediate joiners & candidates serving notice period)
Looking for a skilled Python Developer with experience in Django / FastAPI and MongoDB / PostgreSQL.
⭐ Must-Have Skills:-
✅ 2+ years of professional experience as a Python Developer
✅Proficient in Django or FastAPI
✅Hands-on with MongoDB & PostgreSQL
✅Strong understanding of REST APIs & Git
About Role
We are looking for a hands-on Python Engineer with strong experience in backend development, AI-driven systems, and cloud infrastructure. The ideal candidate should be comfortable working across Python services, AI/ML pipelines, and cloud-native environments, and capable of building production-grade, scalable systems.
This role offers high ownership, exposure to real-world AI systems, and long-term growth, making it ideal for engineers who want to build meaningful products rather than just features
Key Responsibilities
- Design, develop, and maintain scalable backend services using Python
- Build APIs and services using FastAPI, Flask, or Django
- Ensure performance, reliability, and scalability of backend systems
- Integrate AI/ML models into production systems (model inference, automation)
- Build and maintain AI pipelines for data processing and inference
- Deploy and manage applications on AWS, with exposure to GCP and Azure
- Implement CI/CD pipelines, containerization, and cloud deployments
- Collaborate with product, frontend, and AI teams on end-to-end delivery
- Optimize cloud infrastructure for cost, performance, and reliability
- Collaborate with product, frontend, and AI teams on end-to-end delivery
- Follow best practices for security, monitoring, and logging
Required Qualifications
- 2–4 years of professional experience in Python development
- Strong understanding of backend frameworks: FastAPI, Flask, Django
- Hands-on experience integrating AI/ML systems into applications
- Solid experience with AWS (EC2, S3, Lambda, RDS, IAM)
- Exposure to Google Cloud Platform (GCP) and Microsoft Azure
- Experience with Docker and CI/CD workflows
- Understanding of scalable system design principles
- Strong problem-solving and debugging skills
- Ability to work collaboratively in a product-driven environment
Perks and Benefits
- Work in Nikhil Kamath funded startup
- ₹3 – ₹4.6 LPA with ESOPs linked to performance and tenure
- Opportunity to build long-term wealth through ESOP participation
- Work on production-scale AI systems used in real-world applications
- Hands-on experience with AWS, GCP, and Azure architectures
- Work with a team that values clean engineering, experimentation, and execution
- Exposure to modern backend frameworks, AI pipelines, and DevOps practices
- High autonomy, fast decision-making, and real ownership of features and systems
Job title - Python developer
Exp – 4 to 6 years
Location – Pune/Mum/B’lore
PFB JD
Requirements:
- Proven experience as a Python Developer
- Strong knowledge of core Python and Pyspark concepts
- Experience with web frameworks such as Django or Flask
- Good exposure to any cloud platform (GCP Preferred)
- CI/CD exposure required
- Solid understanding of RESTful APIs and how to build them
- Experience working with databases like Oracle DB and MySQL
- Ability to write efficient SQL queries and optimize database performance
- Strong problem-solving skills and attention to detail
- Strong SQL programing (stored procedure, functions)
- Excellent communication and interpersonal skill
Roles and Responsibilities
- Design, develop, and maintain data pipelines and ETL processes using pyspark
- Work closely with data scientists and analysts to provide them with clean, structured data.
- Optimize data storage and retrieval for performance and scalability.
- Collaborate with cross-functional teams to gather data requirements.
- Ensure data quality and integrity through data validation and cleansing processes.
- Monitor and troubleshoot data-related issues to ensure data pipeline reliability.
- Stay up to date with industry best practices and emerging technologies in data engineering.
Job Title: Senior Software Engineer - Backend
About the firm:
Sustainability lies at the core of Stantech AI. Our vision is to empower organizations to derive actionable insights—effectuating a smarter way of working. We operate on the premise that each client is unique and as such requires their own idiosyncratic solutions. Putting this principle into practice, we deliver tailor-made solutions to digitalize, optimize, and strategize fundamental processes underpinning client organizations. For more information, please refer to our website: www.stantech.ai
Job Description:
As a Senior Software Engineer at Stantech AI, you will play a pivotal role in designing, developing, and maintaining enterprise-grade backend services and APIs that cater to the unique needs of our clients. You will be a key member of our engineering team and will contribute to the success of projects by leveraging your expertise in Python, SQL, and modern DevOps practices.
Key Responsibilities:
- Design, develop, and maintain high-performance backend applications and RESTful APIs using Python FastAPI framework.
- Optimize and maintain relational databases with SQL (data modeling, query optimization, and sharding) to ensure data integrity and scalability.
- Create, configure, and manage CI/CD pipelines using GitLab CI for automated build, test, and deployment workflows.
- Collaborate with cross-functional teams (data scientists, frontend engineers, DevOps) to gather requirements and deliver robust, scalable, and user-friendly solutions.
- Participate in architectural and technical decisions to drive innovation, ensure reliability, and improve system performance.
- Conduct code reviews, enforce best practices, and mentor junior engineers.
- Troubleshoot, diagnose, and resolve production issues in a timely manner.
- Stay up-to-date with industry trends, emerging technologies, and best practices.
- Bonus: Hands-on experience with server-level configuration and infrastructure—setting up load balancers, API gateways, and reverse proxies.
Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
- Minimum 3 years of professional experience in backend development, with strong expertise in Python and SQL.
- Proven track record building and maintaining CI/CD pipelines using GitLab CI.
- Familiarity with containerization and orchestration technologies: Docker, Kubernetes.
- Solid understanding of software development lifecycle (SDLC) best practices, design patterns, and version control (Git).
- Excellent problem-solving, debugging, and communication skills.
- Ability to work independently and collaboratively in a fast-paced environment.
- Plus: Experience with front-end technologies (HTML, CSS, JavaScript) and cloud platforms (AWS, GCP, Azure).
Financial Package:
Competitive salary in line with experience: ₹10–20 Lakhs per annum, contingent on qualifications and experience.
• Writing and testing code, debugging programs and integrating applications with third-party
web services. To be successful in this role, you should have experience using server-side logic
and work well in a team.
• Ultimately, you'll build highly responsive web applications that align with our business needs.
• Write effective, scalable code Develop back-end components to improve responsiveness and
overall performance Integrate user-facing elements into applications.
• Test and debug programs
• Improve functionality of existing systems Implement security and data protection solutions
• Assess and prioritize feature requests
• Coordinate with internal teams to understand user requirements and provide technical
solutions
• Expertise in at least one popular Python framework (like Django, Flask, etc)
• Team spirit
• Good problem-solving skills.
Requirements
• 3 to 5 years of experience as a Python Developer
• Hands-on experience with Flask, Django or Gin or Revel or Sanic
• Knowledge of design/architectural patterns will be considered as a plus
• Experience working in an agile development environment with a strong focus on rapid
software development
• Experience in AWS or similar cloud technologies
• Excellent troubleshooting and debugging skills
• Proven ability to complete the assigned task according to the outlined scope and timeline
• Experience with messaging frameworks such as SQS/Kafka/RabbitMq
• Experience with Elastic Search
• Willingness to learn new and different technologies
Location - South Delhi
Responsibilities
- Design and build highly reliable, scalable and performant infrastructure for media heavy workflows.
- Own large technical deliverables and execute in a structured manner.
- Take the accountability of the overall health of the infrastructure you build.
- Platformize components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly.
- Lead by example, mentor and guide team members on everything from structured problem solving to development of best practices.
Requirements
- 4 to 10 years of industry experience in software engineering with at least 4 years in Video, Audio & Image processing and streaming technologies.
- Deep expertise with various codecs, compute efficiency, streaming protocols and network topologies for media heavy workflows.
- Deep understanding of your tools: Languages, frameworks, libraries and systems.
- Experience with abstracting requirements into frameworks.
- Hungry to learn, share knowledge, and enjoy mentoring others.
- Data driven, having customer empathy, striving to build best of class, performant services.
In this role, you will be responsible for building world-class technology products and platforms that are at the forefront of the technology revolution in the Indian healthcare ecosystem. You are someone who insists on the highest standards for quality, maintainability, and performance.
About the Role
We are actively seeking talented Senior Python Developers to join our ambitious team dedicated to pushing the frontiers of AI technology. This opportunity is tailored for professionals who thrive on developing innovative solutions and who aspire to be at the forefront of AI advancements. You will work with different companies in the US who are looking to develop both commercial and research AI solutions.
Required Skills:
- Write effective Python code to tackle complex issues
- Use business sense and analytical abilities to glean valuable insights from public databases
- Clearly express the reasoning and logic when writing code in Jupyter notebooks or other suitable mediums
- Extensive experience working with Python
- Proficiency with the language's syntax and conventions
- Previous experience tackling algorithmic problems
- Nice to have some prior Software Quality Assurance and Test Planning experience
- Excellent spoken and written English communication skills
The ideal candidates should be able to
- Clearly explain their strategies for problem-solving.
- Design practical solutions in code.
- Develop test cases to validate their solutions.
- Debug and refine their solutions for improvement.
We are looking for an experienced engineer with superb technical skills. You will primarily be responsible for architecting and building large scale data pipelines that delivers AI and Analytical solutions to our customers. The right candidate will enthusiastically take ownership in developing and managing a continuously improving, robust, scalable software solutions. The successful candidate will be curious, creative, ambitious, self motivated, flexible, and have a bias towards taking action. As part of the early engineering team, you will have a chance to make a measurable impact in future of Thinkdeeply as well as having a significant amount of responsibility.
Although your primary responsibilities will be around back-end work, we prize individuals who are willing to step in and contribute to other areas including automation, tooling, and management applications. Experience with or desire to learn Machine Learning a plus.
Experience
12+ Years
Location
Hyderabad
Skills
Bachelors/Masters/Phd in CS or equivalent industry experience
10+ years of industry experience in java related frameworks such as Spring and/or Typesafe
Experience with scripting languages. Python experience highly desirable. 5+ Industry experience in python
Experience with popular modern web frameworks such as Spring boot, Play framework, or Django
Demonstrated expertise of building and shipping cloud native applications
Experience in administering (including setting up, managing, monitoring) data processing pipelines (both streaming and batch) using frameworks such as Kafka, ELK Stack, Fluentd
Experience in API development using Swagger
Strong expertise with containerization technologies including kubernetes, docker-compose
Experience with cloud platform services such as AWS, Azure or GCP.
Implementing automated testing platforms and unit tests
Proficient understanding of code versioning tools, such as Git
Familiarity with continuous integration, Jenkins
Responsibilities
Architect, Design and Implement Large scale data processing pipelines
Design and Implement APIs
Assist in dev ops operations
Identify performance bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization, and documentation
Communicate with stakeholders regarding various aspects of solution.
Mentor team members on best practices












