9 of 9 Legacy Systems Jobs in Buckinghamshire

Data Migration Engineer

Hiring Organisation
Kinetech Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work across: Bespoke, undocumented, and at times, home-grown systems SaaS platforms (e.g. … with minimal hand-holding, in a demanding BAU + project environment. What Youll Be Doing For each acquired business, analyse legacy source systems (often undocumented) Understand and interrogate data models at source and target (D365/Dynamics) Perform source-to-target mapping Extract, cleanse, transform, and load ...

Chief Technology Officer

Hiring Organisation
Tank Recruitment
Location
Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
team of 50+ engineers and product professionals and manage a multi-million-pound technology budget. The technology estate includes legacy and modern systems (Delphi, .NET, Go, AWS, SQL Server). A serverless AWS migration is under evaluation, supported by an AI-driven PoC - you will decide … regulated vertical SaaS Background in investor-backed or portfolio-owned software businesses Practical exposure to AI-augmented development approaches Experience modernising legacy systems using code-as-data or knowledge graph techniques Chief Technology Officer (CTO) Location: Buckinghamshire - (2 Days week in office ...

Data Engineer

Hiring Organisation
NEC Software Solutions
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
risks, and collaborate closely with technical and business stakeholders. Key Responsibilities Design, develop, and execute ETL processes to migrate data from legacy systems to target platforms. Write and optimise complex SQL queries (preferably MySQL) to support data extraction, transformation, and validation. Apply the full data quality framework … resolve data-related issues promptly. Ensure migrations comply with data governance, security, and regulatory requirements. Work with case management software and related systems to understand data structures and workflows. Qualifications Essential: Proven experience in public sector large-scale data migration projects. Strong SQL development skills within MySQL environments. Solid ...

Oracle APEX Developer

Hiring Organisation
Frontier Resourcing
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
integration layers (OIC) to curate clean, well-modelled datasets. Contribute to data migration activities, ensuring accuracy, integrity and auditability throughout transitions from legacy systems. Apply security-by-design, access controls and logging appropriate for regulated MOD environments. Operate in Agile delivery squads with APEX devs, data engineers, integration ...

Data Migration Engineer

Location
Milton Keynes, Buckinghamshire, United Kingdom
fast-growing, acquisition-led organisation. Your core mission will be to migrate operational (CRM) and in time, finance data from multiple legacy systems into Microsoft Dynamics, repeatedly, reliably, and under pressure. You will work ... ...

CTO

Hiring Organisation
Roc Search Limited
Location
Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 per annum
lead technology and product through a critical phase of scale and modernisation. This role suits a hands-on leader who has successfully modernised legacy platforms, built high-performing teams, and can balance innovation with operational stability in mission-critical environments. You'll lead a team of 50+ engineers … transformation programmes (not just attempted) Strong product mind-set and evidence-based decision making Experience with cloud, modern frameworks, and legacy systems (e.g. AWS, MS SQL, C#, Go, React or similar) Comfortable operating at board level and with enterprise customers Desirable Skills Familiarity with investor-backed ...

Account Executive (UK)

Hiring Organisation
Tweezr
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
large financial institutions. You'll lead strategic sales cycles, build trusted relationships, and help shape how major UK institutions modernize their legacy systems safely and efficiently. What You'll Do Own the entire sales cycle: outbound, discovery, proposals, negotiations, and closing Build and expand relationships across ...

Data Architect

Hiring Organisation
Connells Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Hybrid Integration Design: Lead the design and implementation of data solutions that integrate Azure cloud-native services with legacy SQL Server systems and third-party APIs and data feeds. Data Modelling and Standards: Develop and enforce data modelling standards (conceptual, logical, physical) across platforms. Promote reuse, consistency … decisions. Experience and Skills Required: Experience with Data Architecture and governance, public-cloud platforms (Azure, AWS, GCP) , SQL Server, data integration with third-party systems, ideally Microsoft Fabric Experience with data modelling and metadata management Relevant degree or post-graduate qualification, ideally certification in Cloud Architecture and Data Management ...

Lead AI Engineer

Hiring Organisation
OutSystems
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
fields is highly valued. 7+ years of work experience in Machine Learning and AI Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. … sprawling without governance, data isn't ready, and talent isn't there yet. Enterprises are still drowning in application backlogs and struggling with legacy systems. But with the right platform, AI doesn't have to add to the chaos. It can become the breakthrough that brings clarity ...