2,167,937open jobs
139,552companies
239,682added this week
Browse all
Location
Hybrid (London, United Kingdom)
Seniority
Architect
Visa
Licensed UK visa sponsor
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Nov 4, 2026. Citi scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Citi is one of the largest banks in the world, tracing its lineage to the City Bank of New York founded in 1812 and taking its modern shape through the 1998 merger that created Citigroup. Its most distinctive asset is a cross-border payments and treasury network unmatched by any competitor, moving trillions of dollars a day for multinational corporations, governments and other banks across roughly ninety countries. Alongside that institutional franchise it runs markets and investment banking, wealth management and a United States personal bank, and has spent recent years simplifying itself by exiting consumer operations across Asia, Europe and Latin America.

C# Developer - Equity Derivatives Technology Risk (AVP)

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance - we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

What We do / The Team

Equities Technology at Citi is undertaking a bold, multi-year transformation to build a best-in-class global platform across execution, prime, clearing and cross-product margining. We are re-engineering our technology estate to achieve world-leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post-trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high-calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.

Key Skills and Experience required

We are seeking a highly skilled engineer with broad technical capability along with specialist knowledge of .Net Framework and .Net 5+. You should have good understanding of algorithms, system design/architecture, design patterns, implementation and unit testing. A curious and flexible mindset is a must in this role as to are the following qualities, ownership, perseverance, detail orientated and tenacity.

The ideal candidate will be dependable and resourceful software professional who can comfortably work in a large development team in a globally distributed, dynamic work environment that fosters diversity, teamwork and collaboration.

Proven experience in a developer role with experience on large & complex projects.

Technical / Functional Proficiency:

  • Strong C# knowledge in addition to exposure to both .Net Framework 4.5.2+ and .Net 5+
  • Understanding of .Net performance analysis and optimization approaches.
  • Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents.
  • Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLS
  • Demonstrable experience or familiarity with high volume, low latency, highly available financial systems, trading platforms, or financial data processing.
  • Broad technical experience with exposure to different languages such as Python, Java, Bash as well as operating systems such as Linux. Where candidate does not have deep exposure, they must show some basic knowledge and willingness to grow.
  • Experience with version control & CI/CD tools such as Git & GitLab/GitHub
  • Understanding of one or more messaging technology such Kafka, RabbitMQ, Solace etc.
  • Clear understanding various design patterns and leveraging the same to solve complex technical problems.
  • Conduct performance testing and profiling to ensure application robustness and scalability suited for high-volume financial data processing.
  • Troubleshoot, diagnose, and resolve code issues and performance bottlenecks.

Added core skills:

  • Proven ability in working with the development team members and other partners, with minimal supervision.
  • Strong verbal and written communications skills, excellent interpersonal skills with ability to communicate well at all levels.
  • Team Player, self-starter and thorough who is willing to take on any assigned job/responsibilities
  • Ability to learn new skills quickly with little supervision and ensuring the detail is of high priority
  • Efficiently and effectively manages work, time, and resources.
  • Ability to work under high-pressure situations and effectively prioritize in a highly dynamic work environment that includes a global focus.
  • Strong analytical and problem solving coupled with program execution skills.
  • Ability to understand the big picture - can step back and understand the context of problems before applying analytical skills to address the issues.
  • Utilize knowledge of applications development procedures and concepts, and basic knowledge of other technical areas to identify and define necessary system enhancements, including using script tools and analyzing/interpreting code
  • Has the ability to operate with a limited level of direct supervision.
  • Can exercise independence of judgement and autonomy.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you

By joining Citi, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

  • 27 days annual leave (plus bank holidays)
  • A discretional annual performance related bonus
  • Private Medical Care & Life Insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
  • Special discounts for employees, family, and friends
  • Access to an array of learning and development resources

Visit our About Us | Culture, Values & Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

#LI-AP2

------------------------------------------------------

Job Family Group:

Technology

------------------------------------------------------

Job Family:

Applications Development

------------------------------------------------------

Time Type:

Full time

------------------------------------------------------

Most Relevant Skills

Please see the requirements listed above.

------------------------------------------------------

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

------------------------------------------------------

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,167,937 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend
Remote, many countries
Similar stack
Same company
London
In office · Full-Time · Birmingham
Java
AI/ML
Claude Code
DevOps
CI/CD
Management
Agile
Apply
Hybrid · Liverpool
JavaScript
TypeScript
Node JS
Node JS
Nest.JS
Frontend
React.js
DevOps
CI/CD
AWS
Apply
Hybrid · Full-Time · London
Go
C#
AI/ML
AI Agents
DevOps
Rest API
Azure
CI/CD
Management
Agile
Apply
up to $73k per year · Hybrid · Full-Time · Wotton-under-Edge
SQL
C#
DevOps
Azure DevOps
Azure
CI/CD
Apply
In office · Internship · Bachelor's Degree · Bicester
Cybersecurity
GDPR
Apply
$8.9k per year (net) · Remote (likely EAEU) · Full-Time · Kazan
Java
DevOps
Git
Apply
Remote (EAEU) · Full-Time · Moscow
Python
JavaScript
Java
Kotlin
SQL
Node JS
Apex
1C
Java
Spring Boot
Quarkus
Apache Camel
Apex
MuleSoft
Databases
PostgreSQL
Apache Kafka
DevOps
Rest API
gRPC
Helm
Jaeger
Loki
OpenTelemetry
Prometheus
GitLab CI
CI/CD
ArgoCD
Jenkins
Git
Docker
Kubernetes
Grafana
SOAP
Analytics
ETL/ELT
Apache NiFi
IoT
MQTT
Node-RED
Management
ELMA
Apply
Remote (likely EAEU) · 4+ years exp · Moscow
Python
Rust
C++
Bash
DevOps
Ubuntu
Linux
RED OS
VPN
Management
Agile
Apply
Remote (likely EAEU) · 3+ years exp · Moscow
Python
JavaScript
SQL
Python
Flask
Databases
PostgreSQL
ElasticSearch
AI/ML
AI Agents
Frontend
React.js
DevOps
CI/CD
Linux
Design
Figma
Apply
Go Developer 6 hours ago
Remote (likely EAEU) · 3+ years exp · Almaty
Go
Databases
PostgreSQL
Apache Kafka
DevOps
gRPC
AWS
Docker
Kubernetes
Apply
$95k – $103k per year · Hybrid · 5+ years exp · Bachelor's Degree · Seattle
C#
C#
.NET
Analytics
Microsoft Excel
Apply
In office · Full-Time · 8+ years exp · Noida · Hyderabad
JavaScript
TypeScript
SQL
C#
DevOps
Rest API
Azure
CI/CD
Platform Engineering
Management
Power Automate
Power Apps
SharePoint
Apply
$144k – $233k per year · Equity · In office · Confidential · Full-Time · 8+ years exp · Bachelor's Degree · United States
Python
JavaScript
TypeScript
SQL
Node JS
Node JS
Nest.JS
AI/ML
Cursor
LangGraph
Windsurf
LangChain
Claude Code
Model Context Protocol
Vertex AI
Embeddings
Function Calling
AI Agents
LLM
RAG
A2A
Human-in-the-Loop
Context Engineering
Semantic Search
LLM Guardrails
Agentic Workflows
Frontend
React.js
DevOps
Docker
Kubernetes
Apply
$81k – $109k per year · Remote (Canada) · Contractor · Master's Degree
Python
Analytics
Power BI
Apply
$140k – $160k per year · Hybrid · Full-Time · 3+ years exp · PhD · New York · Chicago
Python
SAS
Apply
Hybrid · Full-Time · 3+ years exp · London
Java
C#
Java
Spring Framework
Gradle
Databases
KDB+
DevOps
Rest API
CI/CD
Bitbucket
Linux
Management
Jira
Agile
Apply
Hybrid · Full-Time · Bachelor's Degree · London
Python
Java
SQL
Databases
DynamoDB
Apache Kafka
DevOps
Rest API
AWS
Kubernetes
Amazon S3
Apply
Hybrid · Full-Time · 6+ years exp · Master's Degree · Belfast
Java
TypeScript
Java
Spring Boot
Databases
Apache Kafka
DevOps
Rest API
Management
ServiceNow
BPMN
Apply
$126k – $189k per year · Hybrid · Full-Time · 6+ years exp · Master's Degree · Las Colinas
Management
Agile
Apply
$100k – $150k per year · Hybrid · Full-Time · 10+ years exp · Master's Degree · Mississauga
Management
Agile
Apply
In office · Full-Time · Bachelor's Degree · London
Java
C#
C++
Management
Agile
Apply
In office · Full-Time · London
Python
PowerShell
AI/ML
AI Agents
Red Teaming
LLM Guardrails
Copilot Studio
DevOps
Rest API
Azure
AWS
Linux
Windows
Cybersecurity
Burp Suite
Microsoft Entra ID
Active Directory
OWASP
Apply
In office · Contractor · London
DevOps
Terraform
Azure DevOps
Azure
CI/CD
Docker
Kubernetes
Management
Agile
Apply
$94k – $129k per year · In office · 3+ years exp · Bachelor's Degree · London
Apply
≈ $46k – $108k per year (Estimated) · In office · Full-Time · London
Apply
See all jobs
This is one of many
2,167,937 more open roles from verified company boards, updated every day.