14 of 14 Legacy Systems Jobs in Portsmouth

Social network you want to login/join with: Senior Full Stack C# .NET Developer, portsmouth, hampshire col-narrow-left Client: WebX Systems Ltd. Location: portsmouth, hampshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Full Stack C# .NET DeveloperFully Remote … UK Residents Only) About WebX Systems At WebX, we specialise in technical publishing and content management solutions for the aerospace and defence sectors worldwide. Our flagship products— UltraCSDB, UltraAuthor, UltraXML , and UltraPortal —are used globally and combine proven legacy systems with cutting-edge, cloud-native innovations. As a privately owned UK business, we take pride in … a proactive, experienced Senior Full Stack .NET Developer to help evolve our product suite. You’ll work across both legacy Windows desktop applications and modern web-based systems and help lead the transition toward cloud-native architecture. This role is perfect for someone who enjoys innovating within established environments while also driving forward new development. Technology Stack More ❯

internal platforms (e.g., CRM, credit bureaus, document management, payments) and external third-party systems. Manage the full data migration lifecycle, including data extraction, transformation, validation, and cutover from legacy systems. Collaborate closely with business units across lending, risk, compliance, and finance to ensure solution alignment with operational needs. Ensure accurate configuration of lending workflows, risk scoring, approval processes … management, and compliance. Demonstrated capability in system integration using API-led and middleware architectures in banking environments. Proven success in managing complex data migration projects from legacy systems to modern core banking platforms. Solid understanding of credit policy, lending lifecycle management, and regulatory compliance (e.g., PRA, FCA, Basel). Exceptional stakeholder engagement and leadership across cross-functional More ❯

and UC environments 5 or more years of experience with software architecture and design with the CXone, Genesys Cloud or Amazon Connect platform. Past titles may include Solutions Architect, Systems Architect, Technical Architect. Experience must include: Defining overall CXone, Genesys Cloud or Amazon Connect Application architectures including (but not limited to) networks, WFM, quality, AI tools, ACD, CRM Integrations … dive into the code as needed, lead code reviews and fix issues as needed Ability to create designs that leverage legacy/on-premises solutions and CCaaS systems Ability to create customizations to work around system limitations or cost issues Experience with on premise to Cloud migration and the technical challenges and implications. Enterprise migration experience … including leading whiteboard sessions, technical design sessions, developing architecture and network diagrams, technical flow designs and more Additional Responsibilities: Build actionable and achievable CCaaS transformation plans including specifying legacy system changes needed or recommended. Define and build tools and libraries to augment CCaaS vendor capabilities (customizations, configurations, testing, code-reuse, etc..) Creating sales demos within Eventus lab environments More ❯

Application Architect, fluent in modern engineering practices and passionate about building the next generation of cloud-native applications on Azure? Do you want to shape application strategy, modernise legacy platforms, and bring real business innovation to life? This is more than just an architecture role. It’s a chance to lead transformation from the inside out, in a … be the bridge between engineering teams and business outcomes. Working with clients across regulated industries and fast-growth markets, you’ll own: Azure Application Modernisation – redesigning legacy systems for scalability, performance and maintainability Engineering Leadership – guiding software teams through modern DevOps, IaC, CI/CD and observability adoption Stakeholder Influence – working closely with product, delivery, and customer More ❯

to develop and implement DevOps practices, and mentor more junior team members internally. Initial Project Responsibilities Diverse assignments spanning modern cloud and data infrastructure, from modernising legacy systems into cloud-native architectures to building and maintaining robust data platforms across multiple cloud providers. Implementation of secure data processing environments for classified information, create automated deployment pipelines for More ❯

role is ideal for someone with a solid grounding in software development, particularly in Golang or a similar language, who is eager to contribute to both legacy systems and innovative cloud-based solutions. You'll play a key role in supporting our video calling functionality and helping us transition outbound communication capabilities to the cloud. Key Responsibilities … culture of knowledge sharing and mentorship. Key Skills Proficient in at least one programming language ( , Java, C#, Python), with a strong preference for Golang. Experience building and maintaining software systems in a production environment. Understanding of software deployment processes and controls in regulated environments. Desirable: Experience with AWS, particularly AWS Lambda or other serverless/cloud-native services. Exposure More ❯

enterprise environment. Strong working knowledge of GDPR, consent management, and data security best practices. Practical experience with Agile methodologies. Proficient in integrating third-party APIs, internal tools, and legacy systems. Familiarity with architecture tools (e.g., Ardoq) to identify system dependencies and gaps. Strong stakeholder management and cross-functional collaboration skills. Strategic thinker with the ability to translate data More ❯

objects are understood and managed by business stakeholders in terms of data migration strategies, e.g., purchase orders can only be created for migrated vendors. Coordinate and communicate all legacy to SAP data mapping documents, e.g., legacy vendor to SAP vendor. Work closely with all business stakeholders to ensure data gap issues are resolved efficiently and timely … with all stakeholders on data-related matters, including: Project Team RSME stakeholders across the business and functional units Technical teams supporting the extraction of data from legacy systems Ensure data compliance issues are fully satisfied, including any regulatory, security, and audit requirements. Manage the activities of the data analysts and supporting staff for all in-scope disciplines. More ❯

tailored NetSuite solutions. In this role, you will gather customer requirements, configure NetSuite to meet business needs across Finance, E-commerce, and Procurement, and manage data migration from legacy systems. … You will also provide ongoing system support, troubleshooting, and user training. Key responsibilities: Consult with clients to document and translate their requirements into NetSuite functionality Configure and design NetSuite systems across Finance, Procurement, and E-commerce Lead data migration from legacy systems to NetSuite Troubleshoot, diagnose issues, and provide end-user training Stay up-to-date More ❯

You'll be the architect who thinks five steps ahead—pre-empting technical challenges, guiding internal and partner teams, and championing best practices. Whether shaping the integration of legacy APIs at scale or creating reusable toolkits for rapid deployment, your work will underpin mission-critical national projects. ? Key Responsibilities Lead architectural design across large-scale cloud-based and … Solutions Architect or Application Architect who thrives at the intersection of delivery, design, and stakeholder communication. You’ll be confident stepping into complexity, capable of unpicking legacy systems and designing elegant, future-ready solutions. ? Role Basics Location : Remote-first with occasional office/customer site visits (HQ in Birmingham) Salary : £80,000 – £100,000 + More ❯

and support a multidisciplinary team (UX/UI, product delivery, business analysis) to deliver high-quality digital products. Oversee a digital product portfolio, including new product launches and legacy product transformation. Collaborate with stakeholders at all levels to ensure buy-in and alignment with the digital vision. Champion user-centred design, accessibility, and inclusion throughout the product lifecycle. … teams and complex product portfolios. Strong stakeholder engagement and influencing skills, including at executive and board level. Experience with both new product development (0–1) and transformation of legacy systems. Deep understanding of user-centred design, agile delivery, and digital best practice. Excellent communication, leadership, and organisational skills. (be able to integrate the new and educate on product More ❯

and public sector organisations. We're currently building a next-gen SaaS platform (20+ microservices) and launching a new customer portal - all while maintaining and evolving legacy systems and core offerings. With 14 engineers spread across multiple sub-teams (FE, BE, SaaS, QA, DevOps, and more), the pace is high and the opportunities to lead are real. …/Kanban) Comfortable overseeing cross-functional teams (FE, BE, QA, DevOps, UX) Empathetic leadership style with a focus on team development and delivery Bonus: experience in infrastructure, networking, or systems-focused domains Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

days on site) Highlights of the role: A key aspect of the role involves modernising the company's reporting and data infrastructure; moving from an on-premises legacy system to a new cloud-based stack using Google BigQuery and Looker. This provides an opportunity to work with newer, cutting-edge BI technologies. There is a lot of flexibility More ❯

initiatives and enhancements Collaborate with cross-functional teams, managing requests and troubleshooting issues Diagnosing problems by consulting with domain experts to broaden technical understanding Maintaining and supporting a legacy system, including its outdated deployment processes Support and enhance the current system, ensuring stability and functionality Implement updates within a legacy codebase, assuming technical ownership and building More ❯