Company profile

Sosuv Tech Stack

FIX connectivity, trading infrastructure and AI automation for capital markets

Financial Services London, United Kingdom 51–200 employees Founded 2014 Privately Held

Sosuv is a London-based capital markets software firm focused on FIX connectivity, onboarding automation and trading infrastructure. Its stack pairs low-latency trading languages (Java, C++, Spring Boot) with an LLM toolchain (LangGraph, LangChain, RAG, Langfuse, LangSmith), showing AI agents being built directly into trade-support workflows. Hiring is accelerating, entirely engineering-focused and concentrated in India.

Tech Stack 43 technologies

Core StackJava Node.js Python React Angular LangChain PostgreSQL MongoDB C++ Oracle Jira Confluence JavaScript RAG RabbitMQ FastAPI Flask Django Docker Selenium Maven Jenkins Pandas LangGraph Spring Boot SQLAlchemy Django ORM SQLite Langfuse LangSmith+13 more

What Sosuv Is BuildingChallenges and projects from their job posts

◆Challenges

Keeping pace with regulatory changes
Rolling out new functionality across trading products
Ongoing system improvements to trading platforms

▲Active Projects

Trading and risk management software solutions
Client-facing APIs
Scalable trading tools

Hiring Activity

Accelerating8 roles · 6 in 30d

Department

Engineering

Seniority

Mid

Senior

Lead

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About Sosuv

Sosuv, founded in 2014 and headquartered in London, builds software for electronic trading and capital markets operations. Its product line spans FIX certification and onboarding automation, a FIX engine, a lightweight order management system, algorithmic trading support and CAT regulatory reporting. Customers include exchanges, brokers, trading platforms and fintech firms modernizing their trading technology. The company employs 51–200 people and also provides QA, DevOps, CI/CD and production support services.

HeadquartersLondon, United Kingdom

Company Size51–200 employees

Founded2014

Hiring MarketsIndia

Frequently Asked Questions

What tech stack does Sosuv use?

Sosuv uses Java, C++, Python, Node.js, Spring Boot, React, Angular, PostgreSQL, MongoDB, Oracle and RabbitMQ, plus an AI toolchain including LangGraph, LangChain, RAG, Langfuse and LangSmith, with Docker and Jenkins.

Where does Sosuv hire engineers?

Sosuv is headquartered in London, but its current hiring is engineering-only and based in India, mostly at mid and senior levels, with momentum accelerating.

What is Sosuv working on?

Job posts point to trading and risk management software, scalable trading tools, client-facing APIs and rollout of new product functionality across its FIX and trading infrastructure platforms.

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How this profile is built

Sosuv's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.