Permanent Legacy Systems Jobs in Northern Ireland

8 of 8 Permanent Legacy Systems Jobs in Northern Ireland

Senior .Net Developer ( NEW )

Antrim, Northern Ireland, United Kingdom
Ocho
Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯
Posted:

Senior .Net Developer ( NEW ) (Antrim)

Antrim, Co. Antrim, UK
Ocho
Leading the development of new features using modern DevOps and deployment practices ( Docker, AWS ECS, CI/CD ) Refactoring and optimising legacy systems for performance, scalability, and maintainability Mentoring a junior developer through code reviews, guidance, and best practices Collaborating with business stakeholders to translate needs into More ❯
Posted:

Senior Java Software Engineer (Belfast)

Belfast, UK
Airswift
Senior Java Engineer – Core Java, Algo, Distributed Systems Location: Belfast – 2/3 days per week needs to be possible (only considering candidates in NI) Type: Contract Industry: Investment Banking Duration: ASAP – long term (12 months to start with extensions) We’re seeking Senior/Lead Java Engineers to … join a team building high-performance systems that support trading across Equity Swaps, Delta One, and Prime Brokerage. While low-latency expertise is not essential, a deep command of Core Java and algorithmic/data structure proficiency is critical to succeed in this complex and performance-sensitive environment. Key … Responsibilities: Design and enhance trading engines for derivatives and structured financial products. Build scalable systems to support high-volume operations (100s of TBs of data). Refactor and decouple legacy components, with a focus on MongoDB and modern relational DBs like PostgreSQL . Drive cloud readiness, adopt More ❯
Posted:

Senior Java Software Engineer

Belfast, Northern Ireland, United Kingdom
Airswift
Senior Java Engineer – Core Java, Algo, Distributed Systems Location: Belfast – 2/3 days per week needs to be possible (only considering candidates in NI) Type: Contract Industry: Investment Banking Duration: ASAP – long term (12 months to start with extensions) We’re seeking Senior/Lead Java Engineers to … join a team building high-performance systems that support trading across Equity Swaps, Delta One, and Prime Brokerage. While low-latency expertise is not essential, a deep command of Core Java and algorithmic/data structure proficiency is critical to succeed in this complex and performance-sensitive environment. Key … Responsibilities: Design and enhance trading engines for derivatives and structured financial products. Build scalable systems to support high-volume operations (100s of TBs of data). Refactor and decouple legacy components, with a focus on MongoDB and modern relational DBs like PostgreSQL . Drive cloud readiness, adopt More ❯
Posted:

Service Delivery Manager

Belfast, United Kingdom
ENGINEERINGUK
and financial objectives. Required qualifications to be successful in this role Ideally you will have experience of working within hosting and legacy systems for the initial piece of work. Client relationship management experience. Experience of Customer Engagement Project Management. Influencing skills Proven ability to build rapport, build More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Accounting Technician (Systems)

Newtownabbey, Co. Antrim, UK
Hybrid / WFH Options
VANRATH
payroll & human resource modules. This will include data cleansing & data migration, including data transposition. Assist with data cleansing of all relevant data on current systems Assisting with data migration preparations across relevant modules Working closely with the business and system vendors, assist with preparations for user acceptance testing, identifying … and resolving issues Assist with reconciliation activities between legacy and new ERP systems Working closely with relevant managers and system vendors, assist with business process re-definition to ensure that the new systems and agreed business processes merge as seamlessly and as efficiently as possible Assist More ❯
Posted:

Accounting Technician (Systems)

Newtownabbey, Co. Antrim, UK
Hybrid / WFH Options
VANRATH
payroll & human resource modules. This will include data cleansing & data migration, including data transposition. Assist with data cleansing of all relevant data on current systems Assisting with data migration preparations across relevant modules Working closely with the business and system vendors, assist with preparations for user acceptance testing, identifying … and resolving issues Assist with reconciliation activities between legacy and new ERP systems Working closely with relevant managers and system vendors, assist with business process re-definition to ensure that the new systems and agreed business processes merge as seamlessly and as efficiently as possible Assist More ❯
Posted:

Accounting Technician

Belfast, UK
Hybrid / WFH Options
VANRATH
payroll & human resource modules. This will include data cleansing & data migration, including data transposition. Assist with data cleansing of all relevant data on current systems Assisting with data migration preparations across relevant modules Working closely with the business and system vendors, assist with preparations for user acceptance testing, identifying … and resolving issues Assist with reconciliation activities between legacy and new ERP systems Working closely with relevant managers and system vendors, assist with business process re-definition to ensure that the new systems and agreed business processes merge as seamlessly and as efficiently as possible Assist More ❯
Posted:
Legacy Systems
Northern Ireland
25th Percentile
£27,500
Median
£30,000
75th Percentile
£32,500