Senior Go Developer Financial Systems
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Job Location:
Monthly Salary:
Posted on:
10 hours ago
Vacancies:
1 Vacancy
Job Summary
We are looking for a highly skilled Go (Golang) Developer to design and build large-scale financial calculation services that power our platform.
This is not a typical web development role this role is for someone who thrives in high-performance data-intensive backend systems.
You will play a key role in building and scaling a core calculation engine that supports portfolio analytics and financial modelling.
Qualifications :
Key responsibilities
Design and develop high-performance services in Go (Golang)
Build and optimise large-scale financial calculation engines
Build systems that accurately process and reconcile high volumes of capital positions and holdings
Architect systems for scalability reliability and low latency
Work with complex high-volume datasets and portfolio logic
Collaborate with frontend/backend teams to integrate services
Contribute to system design performance tuning and infrastructure decisions
Technical Requirements
Essential:
Strong commercial experience with Go (Golang)
Proven experience working within a high-data environment (e.g. fintech or similar data-intensive industries)
Experience building scalable backend systems
Strong understanding of data processing performance optimisation and system design
Experience designing and working with APIs
Desirable:
Experience in financial systems or portfolio management platforms
Familiarity with microservices architecture
Knowledge of distributed systems and Go concurrency patterns
Experience with cloud infrastructure (AWS GCP or similar)
Ability to leverage AI tools to improve development workflows and efficiency
Experience supporting integration with a PHP Laravel-based presentation layer
Ability to help bridge backend calculation services with frontend delivery
What Were Not Looking For
WordPress developers
CRM-focused developers
Generalist engineers without deep backend or data experience
This is a high-skill role focused on core system performance and scalability.
Ideal Candidate Profile
Backend-first engineer with experience in data-heavy systems
Strong problem solver with a focus on performance and scale
Comfortable working in complex high-volume data environments
Interested in leveraging modern tooling including AI-assisted development
Able to take ownership of critical system components
Additional Information :
Why Join Delio
Work on mission-critical financial infrastructure
Solve complex scaling and data challenges
Be part of a high-calibre engineering environment
Opportunity to shape the architecture of a growing platform
What We Offer
Competitive salary based on experience
Hybrid working based in or around Cardiff. We operate a hybrid working model with a minimum 3 days per week in the office - with Wednesday and Thursday being obligatory office days
A friendly supportive and innovative team culture
Opportunities for professional growth and training
What You Can Expect:
25 days holiday (plus bank holidays) increasing with length of service
Extra day off for your birthday
Private medical insurance and Death-in-service benefit
Defined contribution pension scheme
Remote Work :
No
Employment Type :
Full-time
About Company
Be it asset managers, distributors or ecosystem providers, Delio is the partner of choice for financial firms that are looking for the building blocks to deliver their digital private markets strategy. Today, Delio works with more than 50 organisations in 18 countries, including marke ... View more
