Python Developer

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.

At Yugen, we're buildingCansoan AI-agent driven fraud Investigation platform for financial organisations. We're currently in the0-1 stageand we're looking for curious andhigh-agencyengineers to join us in this journey to shape a category defining product with global impact.

You should be eager to learn, prefer a fast-paced environment, and are excited about getting agentic systems to work in production. More importantly, no matter how tough the challenge, you're someone who's never afraid toshow up.

Responsibilities

• Develop, test, and maintain scalable backend systems (APIs, Pipelines and AI applications)
• Work with other team members (Backend, ML, Data Engineers, Product & Design) to ship features quickly
• Learn how to debug & resolve production issues to ensure system uptime
• Participate in architectural & system design discussions
• Explore new technologies and frameworks & come up with suggestions to improve existing systems

Requirements

• Strong programming skills in one or more of: Python, Go, TypeScript or similar
• Strong understanding of software development principles (OOPS, REST APIs, etc. ) and tooling such Git
• Familiarity with databases (SQL or NoSQL)
• A deep sense of curiosity and a knack for experimentation with AI applications
• You're proactive and love getting things done regardless of external factors
• Strong communication skills and a very good eye for detail

Must Have

• Excellent coding skills with strong problem-solving abilities
• Meaningful contributions to open-source projects
• Strong proof of building and deep focus. For example
• Active participation in multiple hackathons, with top-3 finishes or notable wins
• At-least 1 self-driven portfolio project that has been maintained over 4 months. Github repos with frequent commits showing continuous progress would be great.

1. Proficiency in Python 3.x based web and backend development

2. Solid understanding of Python concepts

3. Experience with some form of Machine Learning (ML)

4. Experience in using libraries such as Numpy and Pandas

5. Some form of experience with NLP and Deep Learning using any of Pytorch, Tensorflow, Keras, Scikit-learn or similar

6. Hands on experience with RDBMS such as Postgres or MySQL

7. Experience building REST APIs using DRF or Flask

8. Comfort with Git repositories, branching and deployment using Git

9. Working experience with Docker

10. Basic working knowledge of ReactJs

11. Experience in deploying Django applications to AWS,Digital Ocean or Heroku

Roles:

• Developing core infrastructure in Python, Django.
• Developing models and business logic (e. g. transactions, payments, diet plan, search, etc).
• Architecting servers and services that enable new product features.
• Building out newly enabled product features

• Minimum 4 years of industry or open-source experience.
• Proficient in at least one OO language: Python(preferred)/Golang/Java.
• Writing high-performance, reliable and maintainable code.
• Good knowledge of database structures, theories, principles, and practices.
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].

Job Description:

Candidate must have 2 to 5-years of experience in various phase of development of a python-based application or API development.

Requirements:

Must Have:  Strong expertise in PYTHON and its built-in data structures, developing API using flask or fastapi, data wrangling using standard python frameworks like pandas, NumPy etc., integration of various applications (third party or inhouse) with python.

Good to Have: Deployment using Nginx, GUnicorn, IIS, docker and Kubernetes etc. Good understanding of optimization solutions like differential evolution. Hands on experience with python packages like Scipy.  Tkinter to make python-based applications.

Roles and Responsibilities:

• Understanding/gathering the requirements from stakeholder, formulating the problem, and leveraging AI/ML to solve the business problems.
• Integration of third party or in house application with python solution.
• Working on Deployment and optimization of various engineering problems using Numerical/Constraint optimization frameworks such as Differential Evolution and deploy a web-based API using Flask and Nginx/IIS.
• Unit testing of various python modules developed and testing of the API.

## Please apply if you have experience working on Trading Applications, all others would be automatically rejected ###

Our Core team develops connectivity software for low latency communication with derivatives exchanges all over the world, as well as real-time position and risk limit monitoring. The team's expertise is also relied upon by other C++ development groups to produce high-quality libraries and frameworks for their application development. We have a high degree of freedom and responsibility to produce technologically advanced solutions to demanding real-world problems.

From joining you will have ownership on a diverse set of projects that have a direct impact on trading performance. You will work closely with highly skilled colleagues who share your enthusiasm and deep knowledge of C++, Linux and network protocols, and share your hunger to learn more.

What We Are Looking For

• An experienced Modern C++ developer (C++17/20), with minimum 5 years experience and proficiency with C++ templates.
• A developer, who designs code to push every performance boundary.
• Excellent written and verbal communication skills.
• Ability to solve new and unfamiliar problems quickly and creatively.

• Knowledge of multiple exchanges.
• Ultra low latency design.
• Template metaprogramming.
• Network programming experience.
• Python.

• A great engineering environment whereby technology is key to our success and a C++20 code base.
• Great friendly, informal and highly rewarding culture.
• Fast growing global firm with plenty of opportunities where you will have significant impact.

Position: Python Developer

Experience: 2-9 Years

Company Profile:

About Exponentia: Exponentia is an AI tech organization with presence across India, Singapore, Middle East, and the UK. We are an innovative and disruptive organization, working on cutting edge technology to help our clients transform into the enterprises of the future. We provide artificial intelligence-based products/platforms capable of automated cognitive decision making to improve productivity, quality, and economics of the underlying business processes. Currently, we are transforming ourselves and rapidly expanding our business.

About Engagely: Engagely is an artificial intelligence based conversational product (SaaS) by Exponentia. Our core engine uses NLP and machine intelligence to deliver intelligent conversations. We help organizations create virtual assistants, bringing in automation and insightful customer engagement.

Requirements:

• 2-9 years hands on experience in Core Python with any framework (Flask/Django) building end to end applications development.
• Experience in Mongo (or any Nosql)
• Experience in client coordination
• Experience in Nodejs would be a plus
• Experience in Web technologies-HTML, CSS, Javascript
• Database-SQL Server/My SQL/ No SQL database
• Good understanding of Algorithms, data structures 

Education

BE/MBA /PG (Statistics) with good academic credentials