Caspian One
About the Company
Caspian One are an international professional services company. We solve technology-driven, resource-based and project-delivery challenges that demand speed, scale and commercial flexibility. Empowering individuals and organisations to optimise their full potential.
Put simply – we deploy specialist resources and niche technology teams to deliver projects in ways that best suit the needs of our clients. These SMEs are working to decommission, migrate, build, and implement tech that gives our clients the competitive edge.
We offer three distinct but integrated services: Resource Augmentation, Specialist Skills Acquisition, and Managed Outcomes - blending the best technical expertise with execution excellence.
In Financial Services technology, Caspian One is known for agility, market insight, and integrity. Successes can be linked to our hybrid delivery models and deep foundations formed over two decades at Investment Banks, Hedge Funds, Prop Trading Firms and Crypto clients. Across North America, USA, UK, EMEA, APAC.
Most profound expertise:
• Front Office Technology,
• Complex Trading,
• Data & Analytics,
• Application Development,
• Infrastructure,
• Cyber Security,
• and Change Management.
Within Broadcast Media our teams play a pivotal role in modernising the industry, supporting system integrations, tech transformations, and new platform development - while adeptly navigating the challenges of mission-critical system upgrades and technology transitions. We service over 150 global clients, including broadcasters, telcos, content owners, service providers and technology manufacturers. Join us at linkedin.com/caspian-one-broadcast-media
Central to our success is a vibrant company culture in which diversity of thought, accountability, and authentic experiences are valued. A culture that not only drives our internal operations but also shapes engagements with clients - the embodiment of professionalism, teamwork, and recognised specialism.
Listed Jobs
- Company Name
- Caspian One
- Job Title
- Front-End Engineering Opportunities
- Job Description
-
Front-End Engineering Opportunities
Exciting Roles Available:
Lead Front-End Engineer (1 position)
Senior Front-End Engineers (2 positions)
Location & Terms:
Working Model: Hybrid (Monday and Wednesday in-office)
Employment Type: Contract
Pay Rate:
Lead Front-End Engineer: up to £750/day
Senior Front-End Engineers: up to £600/day
Duration: 12-month rolling contract with extensive pipeline of work
Industry: Investment Bank
Project: Multi-year greenfield application - CEO-backed flagship initiative
About the Opportunity:
We are seeking exceptional Front-End Engineers to join a highly innovative and business-critical team. This transformational project, backed directly by the CEO, involves building an entirely new eTrading system from scratch using cutting-edge technologies.
This is a unique opportunity to work on a flagship initiative that will redefine our business's digital trading experience. You'll collaborate with top talent to create modern, high-performing UI applications in a dynamic and fast-paced environment.
Key Responsibilities:
Build high-performance, low-latency trading systems using modern front-end technologies
Design, develop, and maintain scalable, user-friendly web applications using React (FX) and Angular (Rates)
Collaborate with cross-functional teams, including product, design, and backend engineering, to deliver exceptional solutions
Optimize applications for maximum speed and scalability in a fast-paced trading environment
Contribute to the overall architecture and technical direction of the project
Required Skills:
Proficiency in either React or Angular
Experience/knowledge in developing high-performance, low-latency UI applications
Strong knowledge of modern JavaScript/TypeScript development practices
Understanding of performance tuning for real-time, high-volume applications
Experience/understanding of working on eTrading systems or trading-related platforms (nice to have)
Why Join?
Be part of a CEO-backed, business-critical project that will define the future of trading for the company
Work on an innovative and exciting project using the latest technologies
Collaborate with talented professionals and make a tangible impact on the business
Enjoy a flexible hybrid work model, with in-office days to foster collaboration and team culture
- Company Name
- Caspian One
- Job Title
- Full Stack Engineer
- Job Description
-
Fullstack- Java/React Engineer
Part of a sales tooling team, responsible for key business and regulatory tools.
Focused on both GUI simplicity and backend efficiency.
Key Responsibilities
Development of two main tools:
1. Front Office Regulatory Tool– Ensuring trade validity based on regulations. 2. Central Visibility Service – Large-scale data processing for trade visibility rules.
Front-end and back-end development using Java, Spring Boot, and React.
High-performance backend work, handling large datasets (~15GB heap, millions of rows).
Technical Requirements:
- Strong Java & Spring Boot experience.
- Front-end development with React.
- Apache Storm knowledge for event processing is a plus.
- Multithreading
- Basic understanding of regulatory environments is beneficial.
- Company Name
- Caspian One
- Job Title
- Analyst Developer - Paladign Systems
- Job Description
-
We are seeking an experienced IBM I, RPG developer to enhance and maintain a Paladign system implementation, which supports wealth management operations. The software is maintained in-house and interfaces with multiple systems for financial reporting, order execution, portfolio management, and client reporting.
Client: Investment Bank
Contract: 6 months rolling
Pay rate: up to £600/day
Location: London (hybrid 3 days in office)
Key Responsibilities:
Analyse business requirements, document, develop and test software to meet requirements or fix defects in existing software in accordance with published standards
Perform unit and integration testing of software components
Manage, perform and support software releases and maintain application documentation
Contribute to defining team standards including code standards, toolsets and quality
Communicate effectively with other members of the IT community and participate in department initiatives
Required Skills & Experience:
5+ years' experience in Financial Services, with a strong background in private banking
5+ years' Paladign experience -- specifically knowledge of the update module
5+ years' experience developing on the IBM i (aka IBM iSeries, System i, i5, AS/400) using RPG and CL
Proficiency in all flavours of RPG (fixed format RPG, free format RPG)
Experience with XML, MQ Series, SFTP (or other file transfer protocols) and SQL
Fluent in spoken and written English
Desired Skills:
Java development on the IBM i
Control-M job scheduling
Experience with turnover change control
Knowledge of Exchange Traded Derivatives
Experience with other banking packages like MIDAS, GMI
Communication & Collaboration:
Ability to communicate effectively with business users and stakeholders throughout project lifecycles
Experience building relationships and working closely with development, QA and production support colleagues across multiple locations
Commitment to knowledge sharing and collaboration, including sharing best practices across teams
- Company Name
- Caspian One
- Job Title
- Site Reliability Engineer
- Job Description
-
Azure Site Reliability Engineer (SRE)
Role Overview
I am seeking a Site Reliability Engineer (SRE) to join our Digital & Complex Initiatives team. This role focuses on maintaining the reliability, scalability, and security of the cloud-based infrastructure while optimising deployment processes.
Based in London you will be covering European time zones, working closely with engineering and business teams to support the firms Azure environment.
Key Responsibilities
Cloud Infrastructure Management: Support and maintain Azure-based applications, ensuring stability, scalability, and compliance within the cloud environment.
Deployment & Automation: Set up CI/CD pipelines, deploy applications into non-production environments, and work with Terraform, GitHub Actions, Databricks, and Azure PaaS services.
Incident & Production Support: Act as L3 support, collaborating with production support teams, diagnosing issues, and managing resolution of complex failures across application, infrastructure, and business logic layers.
Business & Stakeholder Communication: Serve as a bridge between engineering teams and business stakeholders by providing clear incident updates, root cause analysis, and mitigation plans.
Audit & Compliance: Ensure all security, encryption, and data compliance standards are met, support internal/external audits, and maintain operational resilience.
Technical & Soft Skills Required
Strong expertise in Azure services (Data Factory, SQL, Databricks, Kudu, Redis).
Hands-on experience with CI/CD tools, Terraform, Python, and infrastructure automation.
Analytical problem-solving skills with the ability to diagnose issues across application, infrastructure, and business logic.
Ability to work independently while collaborating with regionally dispersed teams across Europe and North America.
Flexible approach to working hours, ensuring smooth handovers with US-based support teams when required.
Work Model & Expectations
Hybrid work model – Minimum two days per week in the office, with additional presence for critical business needs.
Standard UK working hours, with flexibility for major incidents or business-critical deployments.