Top Tech Jobs & Startup Jobs in Belfast

As a Senior Site Reliability Engineer, you'll build resilient platforms, automate processes, mentor teams, and drive changes in a cloud-based environment.

Lead analysis, design, development, testing and deployment of business applications. Serve as primary interface with business users, mentor team members, support application support and audits, generate business cases, manage projects (up to £500K), and liaise with global Boeing IT to ensure standards and effective knowledge transfer.

Develop and deliver enablement strategy and training for EMEA GTM teams. Design new-hire and ongoing programs, partner with regional and global stakeholders, create role-specific content, set training goals and metrics, coach sellers and solution consultants, and align enablement to business priorities to drive sales performance and faster ramp.

Lead design and development of new and existing mobile recycling machinery. Provide engineered solutions, follow QFD/FMEA and design-for-manufacture, manage released engineering data, ensure safety and reliability, reduce manufacturing cost, investigate customer complaints, apply new component technologies, and collaborate with production, purchasing and suppliers.

Design and develop new and existing mobile environmental and recycling equipment. Produce full manufacturing design packages, resolve customer issues, ensure safety and performance standards, reduce manufacturing cost, support dealer network, and follow group engineering quality and testing standards.

Full-stack software engineer (mid-level) focused on frontend using React and TypeScript, building backend services with Node.js/Express, working with PostgreSQL, and developing cloud-native/serverless features on AWS (Lambda, S3). Collaborate with product, design, and AI specialists to deliver secure, scalable, production-ready applications and improve performance, monitoring, and reliability.

Design, build, and maintain cloud-native backend services and APIs using .NET/C#. Work on AWS serverless architectures, NoSQL data models, CI/CD pipelines, and cloud infrastructure. Collaborate with cross-functional teams, participate in design and code reviews, troubleshoot application and infrastructure issues, and ensure performance, reliability, and test coverage.

Develop and maintain scalable backend services and integrations using Java and Spring Boot. Design and consume REST APIs, work with PostgreSQL and Flyway, build event-driven solutions on AWS, containerise with Docker/Kubernetes, write automated tests, monitor with Datadog, and support production systems while collaborating across product and platform teams.

Develop and implement policy for post, broadband, mobile and digital communications. Lead workstreams, gather and analyse evidence, engage stakeholders, contribute to policy options with specialists, and draft internal and published documents tailored to varied audiences.

Design, build and deploy production data pipelines and big-data architectures on AWS. Ingest, process and curate large structured and unstructured datasets, integrate multiple sources, write ETL scripts and SQL, and collaborate with cross-functional teams to deliver data warehouse and data lake solutions.

Design, prototype and deploy generative AI solutions (RAG, agents, LLM pipelines). Integrate models with APIs and data sources, apply LLMOps and evaluation, build cloud-native, microservices-based systems, and collaborate in agile, cross-functional teams to deliver production-ready AI software.

Deliver advanced analytics and modelling across the full lifecycle, translate client needs into analytical solutions, build and test models, develop visualisations and dashboards, work with Databricks/Python/SQL/PowerBI, collaborate in agile cross-functional teams, and communicate findings to technical and non-technical stakeholders.

Manage and grow an existing portfolio of customers, retain revenue, upsell and cross-sell digital marketing solutions, conduct account reviews, analyse campaign performance, build long-term client relationships, and maintain CRM pipeline and activity.

Sell managed digital advertising to local businesses via profiled cold and warm leads. Recommend, secure, onboard and manage campaigns, provide data-driven reporting and insights, collaborate with product teams, stay current on ad trends, and optimize client ROI while meeting and exceeding targets.

This role focuses on driving business growth through new client acquisition, solution selling, account management, and data analysis to enhance client ROI.

Lead design and delivery of enterprise-aligned solution architectures. Guide technology evaluation, requirements validation, Azure-based implementations, and create architecture roadmaps and reusable design building blocks. Collaborate with stakeholders and product teams, support technical projects, evangelise Azure best practices, perform horizon scanning for new technologies, and promote architecture standards and inclusive community practices across the organisation.

Develop and productionize quantitative AI/ML solutions for sales and trading. Conduct end-to-end research, model development (especially deep learning/NLP and time-series), data analysis, stakeholder collaboration, and project management to deliver measurable business impact.

Develop and implement valuation control models (model reserves, prudent valuation, fair value reserves), build capital/reserve reporting and optimization systems, produce regulatory-compliant model documentation, ensure production stability and testing, and collaborate with traders, risk managers and technologists to explain and improve model outputs.

Lead the global AI operational risk agenda within the Chief Risk Office, developing AI risk frameworks, assessing AI use cases and controls, advising governance and regulatory engagement, partnering with businesses for responsible innovation, and coordinating a global team to ensure consistent oversight.