Senior Software Engineer Python Scala Java jobs in Belfast

VanRath

Our client, a global leader in financial technology and capital markets infrastructure, is hiring a C++ / Python Engineer to join an existing team based in Belfast. This is an exciting opportunity to work on next-generation execution platforms and ultra-low latency systems within both traditional an

Citibank (Switzerland) AG

For additional information, please review .**Discover your future at Citi**Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your commu

Citi

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job OverviewEngine

eFinancialCareers

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Soft

Citi

Job Req Id 26950936 Location(s) Belfast, Northern Ireland, United Kingdom Job Type Hybrid Posted Apr. 15, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll

Citi

A leading global bank in Belfast is looking for a Senior Software Engineer skilled in Java and Kotlin to enhance their Developer Enablement team. The role emphasizes server-side engineering, RESTful API development, and collaboration within an agile environment. You will contribute to innovative pro

Citi

Senior Software Engineer – Java/Kotlin (Developer Enablement) – Vice PresidentCiti – Belfast, Northern Ireland, United Kingdom We're looking for multiple talented engineers to join one of our high‐impact teams inside Citi's CTO organisation. You'll sit within Developer Enablement, a group focused on

EPAM Systems

First Derivative is driven by people, data, and technology, unlocking the value of insight, hindsight, and foresight to drive organizations forward. Counting many of the world's leading investment banks as clients, we help our clients navigate the data-driven, digital revolution that is transforming

Mineo

About the job Software Engineer, Java BackendJob Description: Location: On-site, Hybrid. Start date: As soon as possible. Languages: Fluent in English. Join the Mineo Team Were Hiring! At Mineo, we are creating the future of recruitment with an innovative platform powered by artificial intelligence.

Arqit

A leading cybersecurity firm located in Belfast is seeking a Senior Python Developer to enhance their Encryption Intelligence technology. The ideal candidate will have significant commercial experience and a deep understanding of Python programming. Responsibilities include developing robust softwar

Saragossa

Own an internal Python library from day one. The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below. You will take ownership of the brand-new internal Python library and a production data validation system. You will write Python

Citibank (Switzerland) AG

## For additional information, please review .Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financi

Citigroup Inc.

Citi, the world leading global bank, has approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer b

Overview Software Engineer - Java or Go - BelfastLocation: Belfast, United KingdomPosted 24 days agoSalary: £80,000 per yearRequirements We are looking for a backend engineer with at least 1 year of experience in Java or Go.You should have experience working with cloud platforms such as AWS, GCP, or

Citigroup Inc.

Software Engineer, Wholesale Credit Risk AnalyticsWe are seeking a skilled and motivated software engineer to join our Credit Risk Technology team. This role offers an exciting opportunity to work on critical risk management systems, developing solutions that support the bank's stress testing functi

Ocho

€70,000 - €70,000 /year

Requirements Must have: - 5 years backend engineering experience - Strong Java or Kotlin expertise - Experience building scalable microservices in cloud-native environments - REST API development experience - Solid understanding of SOLID principles and design patterns - Experience with relational da

MCS Group

£40,000 - £80,000 /year

MCS Group is delighted to be partnering with a rapidly scaling cloud and data engineering consultancy as they build out a new engineering function in Belfast. This organisation delivers mission-critical platforms across cloud, data, AI, and event-driven systems, working closely with enterprise and h

MCS Group

MCS Group are delighted to be partnering with an ambitious, product-led organisation building a brand new AI Centre of Excellence in Belfast. This is an opportunity to work on production-grade GenAI solutions that are actively deployed and delivering value. If you're a Python engineer who enjoys sol

Citibank (Switzerland) AG

For additional information, please review .**Software Engineer, Wholesale Credit Risk Analytics**We are seeking a skilled and motivated software engineer to join our Credit Risk Technology team. This role offers an exciting opportunity to work on critical risk management systems, developing solution

Adria Solutions Ltd

J ava Software Developer We are looking for a mid-level Java Software Developer to join a small, collaborative team delivering a specialist SaaS platform to academic and commercial clients. You will contribute to the ongoing development, enhancement, and support of a complex web-based management sys