Java 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.

Job Title: Sr. Manager- Corporates

Location: Mumbai

Reports To: Sales Director

Job Summary:

This person will be responsible for identifying and securing business opportunities with top emerging companies and fetching business from mid-sized agencies by building its network. The role demands a highly connected individual who can leverage their strong network from the past to drive business growth.

Responsibilities:

• Client Acquisition by Lead Generation & Appointment Conversion:

o Leverage your strong industry network to identify and target potential clients

o Convert the meetings provided by Appointment Teams with decision-makers at top companies and mid-sized agencies to close the order and achieve the targets

o Actively pursue new business opportunities by presenting tailored media solutions that align with the client's marketing objectives.

• Client Transition & Engagement:

o Ensure a seamless transition from the initial meeting to ongoing client engagement, maintaining regular communication to foster strong, lasting relationships.

o Stay updated and have a deep understanding of market trends, competitor offerings, and client needs to continually refine your approach to client engagement.

o Position yourself as a trusted advisor by providing valuable insights and solutions that address the specific needs of each client. 

• Work closely with the Appointment Team, Data Mining Team, and other internal stakeholders to ensure a coordinated approach to client acquisition.

Skills, Qualifications & Exp:

• Education: Bachelor’s/ Master’s degree in Business, Marketing, or a related field. MBA preferred.

• 7-10 years of experience in business development, with a focus on media, TV, radio, or news sectors.

• Extensive network of contacts in the industry, with a proven ability to bring in new clients quickly.

• Strong negotiation, presentation, and communication skills.

• Ability to manage multiple accounts and drive revenue in a fast-paced environment.

What defines us:

The Organization was incorporated in 2018 and is led by IIM alumni. Despite being a Small team, the company is rapidly growing with each member contributing like an Entrepreneur to the company’s Success. The Organization operates through three main verticals:-

Digital Out Of Home (DOOH) Media – This segment focuses on sales of Contemporary Media Inventory such as Digital Screens installed in Malls, Airports, Café’s. Screenox holds exclusive rights for Media in over 20 Leading Malls in India, 6 Airports and Café Coffee Day Locations.

Content – The company specializes in creating Digital content tailored to various client needs. This includes TV commercials, Corporate Films, Short Story Films for Brands, and other contemporary digital content.

Digitech – This vertical is dedicated to Trading of Digital Screens and Digital Signages for Clients across various sectors, including retail and hospitality.

We are looking networking professionals with the following skill set,

Experience :6+ years of experience in the networking domain

Key skills:

• Must have 6+ years of experience in C/C++ programming language.
• Knowledge of Go programming language and Python programming language is a big plus.
• Strong background in L4-L7 Internet Protocols TCP, HTTP, HTTP2, GRPC and HTTPS/SSL/TLS.
• Background in Internet security related products such as Web Application Firewalls, API Security Gateways, Reverse Proxies and Forward Proxies
• Proven knowledge of Linux kernel internals (process scheduler, memory management, etc.)
• Experience with eBPF is a plus.
• Hands-on experience in cloud architectures (SaaS, PaaS, IaaS, distributed systems) with continuous delivery
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with server less technologies such as AWS Lambda.
• Exposure to machine learning technologies and distributed systems is a plus