United Kingdom Browse · Belfast · Senior Software Engineer
Senior Software Engineer in Belfast
Citi
Senior Software Engineer (avp) – Margin Technology
Hands-on professional software development experienceProficiency in java, react, or pythonExperience building restful apis using springCompetitive base salary (annually reviewed)
The role involves re-engineering the technology estate to achieve world-leading performance and resiliency in the margin and collateral domain
Belfast, United KingdomHybrid (up to 2 days working at home per week)Experience requiredJob Match ScoreCreate Profile
16 days agoCiti
Senior Software Engineer - Margin Technology - Assistant Vice President
Bachelor's degree in computer science or engineeringProficiency in java, react, or python programmingHands-on experience building restful apis with springCompetitive (annually reviewed)
The role involves re-engineering the technology estate to achieve world-leading performance and resiliency in the margin and collateral domain
Belfast, United KingdomExperience requiredJob Match ScoreCreate Profile16 days agoCiti
Senior Java Developer (smart Order Routing (sor)) - Equities Electronic Trading
Core java expertise with jvm internalsLow-latency system design experienceSmart order router (sor) developmentCompetitive base salary
This VP-level role is responsible for engineering the future of global finance by optimizing a critical $5 trillion daily transaction platform
Belfast, United KingdomExperience requiredJob Match ScoreCreate Profile16 days agoCitigroup
Senior Java Developer (Smart Order Routing (SOR)) - Equities Electronic Trading
High-performance, low-latency systemsCore java, jvm internals, concurrencyAutomated trading systems, smart order routers~£84,624 – £140,484 py
WORKOPIA ESTIMATEEngineer the future of global finance by redefining it with advanced AI and systems that matter
Belfast, Northern Ireland, United KingdomSeniorJob Match ScoreCreate Profile18 days agoCiti
Lead Java Developer (vp)
Strong java development experienceRestful web services expertiseJava threading and performance tuningCompetitive base salary (annually reviewed)
You will join the Equity Derivatives technology team in Belfast to develop and support the reference data platform managing crucial foundational data
Belfast, Northern Ireland, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile29 days agoCiti
Lead Java Developer (vp)
Strong java development experienceRestful web services expertiseJava threading and performance tuningCompetitive base salary
You will join the Equity Derivatives technology team in Belfast to develop and support the reference data platform managing crucial foundational data
Belfast, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile30 days agoTP ICAP
Senior Software Engineer (back End)
Distributed event-driven systems.net framework and .net coreC# programming expertise~£84,624 – £140,484 py
WORKOPIA ESTIMATEJoin a world-leading provider of market infrastructure to build business-critical software solutions for internal broking divisions and external clients
Belfast, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile31 days agoProlificacademicltd
Python - Senior Developers - Ai Training - Belfast, Uk
Senior python developer experienceLeetcode medium to hard proficiencyDeep knowledge of python gil and async patternsUp to $50ph depending on skills
Prolific is building the world's largest pool of quality human data to train cutting-edge AI models
Belfast, United KingdomRemoteExperience requiredJob Match ScoreCreate Profile41 days agoCitigroup
Lead Java Developer (VP)
Strong java development experienceRestful web services expertiseJava threading performance knowledgeCompetitive base salary
You will join the Equity Derivatives technology team to develop and support the reference data platform managing crucial foundational data for global markets
Belfast, Northern Ireland, United KingdomExperience requiredJob Match ScoreCreate Profile51 days agoBazaarvoice
Senior Software Engineer
Senior software engineer roleProduct discovery technologySmart shopping experience developmentBazaarvoice connects thousands of brands and retailers with billions of consumers through its expansive global network
Belfast, United KingdomOn-siteFull timeExperience requiredJob Match ScoreCreate Profile52 days agoCitigroup
Senior Software Engineer (AVP) – Margin Technology
Hands-on professional software development experienceProficiency in programming mainly java react or pythonStrong hands-on experience building restful apis using springCompetitive base salary (annually reviewed)
The role involves re-engineering the technology estate for margin and collateral domains to achieve world-leading performance and resiliency
Belfast, Northern Ireland, United KingdomHybrid (up to 2 days working at home per week)Experience requiredJob Match ScoreCreate Profile53 days agoCiti Handlowy
Fitp Middle Office Senior Java Developer
Core java with 5+ years experienceSpring boot and spring framework expertiseMicroservices architecture designCompetitive base salary
The Global Fixed Income Trade Processing team seeks a Senior Software Engineer to design and develop large, complex, and distributed systems for high-volume trade capture and processing
Belfast, Northern Ireland, United KingdomFull time+5y experienceJob Match ScoreCreate Profile58 days agoCiti Handlowy
Software Engineer (avp) Belfast
Hands-on software engineering experienceJava spring boot and rest architectureDistributed systems and microservicesCompetitive base salary
The role involves leading applications systems analysis and programming activities to implement new or revised application systems in coordination with the Technology team
Belfast, United KingdomHybrid (up to 2 days working from home per week)Full timeExperience requiredJob Match ScoreCreate Profile62 days agoCiti Handlowy
Senior Software Engineer - Java/kotlin (developer Enablement) - Vice President
Server-side engineering with kotlin or javaProficiency in building restful apisExperience with postgresql or mongodb databasesCompetitive (annually reviewed)
The role focuses on innovation within Developer Enablement to save engineers tens of minutes per day, equating to millions in savings at scale
Belfast, Northern Ireland, United KingdomFull timeExperience requiredJob Match ScoreCreate Profile62 days agoCiti Handlowy
Senior Engineer - (vice President)
Hands-on software engineering experienceJava spring boot and rest architectureDistributed systems and microservicesCompetitive base salary annually reviewed
The role involves leading applications systems analysis and programming activities to establish and implement new or revised application systems in coordination with the Technology team
Belfast, Northern Ireland, United KingdomHybrid (up to 2 days working at home per week)Full timeExperience requiredJob Match ScoreCreate Profile62 days agoCiti
Senior Developer – Avp
Java programming knowledgeDevops skillsKubernetes experienceCompetitive base salary
The role involves developing and maintaining Java server-based applications to support Citi Traders in Fixed Income and Derivative products
Belfast, Northern Ireland, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile65 days agoCiti
Senior Software Engineer - Java/kotlin (developer Enablement) - Vice President
Server-side engineering with kotlin or javaProficiency in postgresql and mongodb databasesExperience building restful apisCompetitive base salary
The team focuses on innovation and building internal tools that save engineers tens of minutes per day, equating to millions in savings at scale
Belfast, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile65 days agoWorkforcity
Senior Engineer - (vice President)
Proven experience as a hands-on software engineerExpertise in multiple programming languagesStrong understanding of sql and nosql databasesCompetitive salary
The role involves leading application systems analysis and programming activities
Belfast, GBHybridFull timeExperience requiredJob Match ScoreCreate Profile66 days agoCitigroup
FiTP Middle Office Senior Java Developer
Core java with 5+ years experienceSpring framework and spring boot expertiseMicroservices architecture designCompetitive base salary
The Global Fixed Income Trade Processing team seeks a Senior Software Engineer to design and develop large, complex distributed systems for high-volume trade processing
Belfast, Northern Ireland, United Kingdom+5y experienceJob Match ScoreCreate Profile67 days agoCitigroup
Senior Software Engineer - Margin Technology - Assistant Vice President
Bachelor's degree in computer science or engineeringProficiency in java, react, or python programmingStrong experience building restful apis with springCompetitive base salary annually reviewed
This role involves re-engineering the technology estate to achieve world-leading performance and resiliency in the margin and collateral domain
Belfast, Northern Ireland, United KingdomExperience requiredJob Match ScoreCreate Profile67 days agoCiti
Senior Software Engineer - Java/kotlin (developer Enablement) - Vice President
Server-side engineering skillsKotlin or java programmingRestful api developmentCompetitive base salary (annually reviewed)
The team focuses on innovation within Developer Enablement to save engineers tens of minutes per day, equating to millions in savings at Citi's scale
Belfast, Northern Ireland, United KingdomHybridFull timeExperience requiredJob Match ScoreCreate Profile69 days agoWork From Home With CiCi
Senior Engineer - (vice President)
Modern software engineering practicesDevops/agile deliveryDistributed systems~£84,624 – £170,250 py
WORKOPIA ESTIMATEThe overall objective of this role is to lead applications systems analysis and programming activities
Belfast, United KingdomHybridFull timeJob Match ScoreCreate Profile71 days agoPublix Serving (Civica)
Senior Engineer - (vice President)
Proven experience as a hands-on software engineerExpertise in multiple programming languagesStrong understanding of sql and nosql databases~£84,624 – £170,250 py
WORKOPIA ESTIMATEThe Senior Engineer will lead applications systems analysis and programming activities
Belfast, GBFull timeExperience requiredJob Match ScoreCreate Profile71 days agoSignifyd
Senior Software Engineer, Cloud Platform
Google cloud platform (gcp) proficiencyKubernetes expertiseSoftware development skills~£84,624 – £140,484 py
WORKOPIA ESTIMATEDrive the design, implementation, and comprehensive management of our enterprise cloud infrastructure, providing technical leadership to a team of highly skilled engineers
Belfast, Northern Ireland, United KingdomOn-siteExperience requiredJob Match ScoreCreate Profile72 days agoCitigroup
Senior Application Development Lead - Generative AI (GenAI), Vice President
Large language models (llms) expertiseLangchain and langgraph frameworksRetrieval-augmented generation (rag) systemsCompetitive base salary
This role involves setting the technical direction for Generative AI adoption across multiple applications within Citi's Source to Pay Solutions Technology group
Belfast, Northern Ireland, United KingdomHybrid (up to 2 days working from home per week)Experience requiredJob Match ScoreCreate Profile72 days ago
WORKOPIA ESTIMATE is shown when an employer doesn't disclose pay. It's the typical range (25th–75th percentile) of disclosed salaries for the same role in the same city, adjusted for seniority and refreshed daily — an estimate, not the employer's figure.
