25 of 25 Permanent Performance Tuning Jobs in Northern Ireland

/Hybrid – £300 per day (Inside IR35) We’re currently seeking an experienced Database Administrator (DBA) to support a high-impact data migration and performance tuning project on a contract basis. 📍 Location: Primarily remote – one day per month in office 💰 Day Rate: £300/day (Inside IR35) 🕐 Start … Responsibilities: Deliver on a major data migration project (data centre to data centre) Perform BAU support and troubleshooting across a complex data estate Conduct performance tuning and architecture analysis Run SQL Server analysis to understand application usage Support and manage application-related data requirements Assist with basic testing More ❯

for a Principal Backend Engineer to lead the evolution of our backend systems. This role will drive the development of scalable, secure, and high-performance solutions that form the backbone of our platform. You’ll lead a talented engineering team, define the technical vision, and ensure our infrastructure supports … business goals. Lead and mentor a team of backend engineers, fostering a culture of technical excellence and collaboration. Make architectural decisions that ensure scalability, performance, and securi ty. Development and Deploym ent Oversee the development and maintenance of backend microservices. Ensure seamless deployment with CI/CD processes. Drive … integration of services wi th Postgre SQ L, Re dis, a nd message que ues to ensure efficient data fl ow. Optimization and Performance Monitor backend performance metrics, identifying and addressing bottlenecks proactively. Optimize APIs for low latency and high throughput to support real-time user interactions. Ensure More ❯

London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it’s about rethinking how AI … optimise every layer of the stack—from model representation and execution to data movement and scheduling. Whether it’s through compiler techniques, systems-level tuning, or custom runtime design, you’ll play a critical role in shaping the performance layer of our AI platform. This is a role … ve worked in HFT, large-scale scientific compute, or AI infrastructure at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

scalable, resilient, and secure Work with cloud infrastructure, containerisation (Docker, Kubernetes), and CI/CD pipelines Take part in code reviews, architecture discussions, and performance tuning What We’re Looking For A Bachelor’s degree (or higher) in Computer Science or a closely related field 4+ years experience … building scalable, high-performance, real-time applications Strong programming skills in Go (Golang) Solid understanding of distributed systems , microservices architecture , and event-driven design Experience working with cloud platforms (e.g., AWS, GCP, Azure) Familiarity with monitoring, logging, and observability tools Bonus Points For Contributions to open-source projects Contributions … to an AI product ⚙️ Tech Stack: Golang, GCP, microservices, Kubernetes, Kafka, MongoDB, Prometheus If scalability, security, databases and performance is your thing, looking for high ownership and impact - this role is for you! Please apply with an up to date CV and we will be in touch with next More ❯

development team, including code reviews, mentoring, and coaching. Collaborate with stakeholders to ensure designs meet business requirements and align with architectural standards. Manage team performance, assign work packages, and optimize productivity. Conduct root cause analysis, performance tuning, and diagnostic examinations to address system or software failures. Plan More ❯

solving complex technical challenges at scale, using modern technologies and best practices. 🚀 What You’ll Be Working On Building and optimising low-latency, high-performance systems in Rust Designing clean, scalable APIs and modular architectures Enhancing existing systems for better performance, resilience, and maintainability Collaborating with engineers and … multithreading Solid experience with PostgreSQL and working with large-scale datasets Strong knowledge of algorithms, data structures, and software design principles Proficient with debugging, performance tuning, and profiling tools Clear communication skills with a proactive, team-oriented mindset Experience across the full software development lifecycle 💡 Bonus Points For More ❯

Senior SQL Developer – Remote | Fintech Are you a seasoned Microsoft SQL Developer ready to take ownership of high-performance, data-driven solutions in a fast-moving fintech environment? A dynamic and growing tech team is seeking an experienced SQL expert to help design, build, and optimise robust database systems … What You’ll Bring: Expert-level T-SQL skills (Stored Procedures, Views, Triggers, UDFs) Deep understanding of SQL Server internals (indexes, statistics, metadata) Strong performance tuning and SQL refactoring expertise Experience with SQL CLRs, SSRS, and Power BI Excellent communication and a proactive mindset What You’ll Get More ❯

security teams to ensure compliance with security policies and data governance standards. Manage and monitor large-scale data flows in real-time, ensuring system performance, reliability, and data integrity. Develop robust data models to support analytics and reporting within secure environments. Perform troubleshooting, debugging, and performance tuning … with data governance, data quality management, and compliance standards in secure environments. Experience in managing large-scale, real-time data pipelines and ensuring their performance and reliability. More ❯

standards of quality related to code and systems Work closely with front-end developers in building and extending APIs Develop automated tests and conduct performance tuning Skills Experience with .NET core/.NET 5 Experience building & integrating APIs Excellent knowledge of SQL Familiar with Microsoft Azure or similar More ❯

preferred). Familiarity with PHP, cloud platforms (AWS/GCP/Azure), Docker/Kubernetes. Solid grasp of DevOps, CI/CD, and database performance tuning. Passion for clean code, testing, and agile practices. The offer: A remote-first role, with monthly meetups in the Midlands. A collaborative, growth More ❯

and coding Strong on integration patterns and XML tech Confident translating specs into clean, documented solutions Experienced with agile teams, CI/CD, and performance tuning If you're a strong technical lead who still loves writing great code please apply More ❯

our clients and internal operations. Your role will involve: Supporting data preprocessing, feature engineering, and dataset creation Assisting in the development, training, and fine-tuning of machine learning and deep learning models Writing and optimizing code in Python or relevant programming languages Collaborating on AI model evaluation, validation, and … performance tuning Preparing documentation for AI models, code, and workflows Participating in team meetings, brainstorming sessions, and problem-solving discussions Candidate Profile We are seeking a motivated and curious individual passionate about AI and machine learning, eager to build hands-on skills. The ideal candidate will bring: A … starting at £1,800 A structured internship with a 37.5-hour work week Fully remote work, with a hybrid option for those near London Performance-based bonus schemes Coverage of professional membership fees 28 days of annual leave plus UK bank holidays Enhanced pension contributions Paid leave for UK More ❯

user interfaces using APEX components 🔸 Write and optimise PL/SQL for back-end processes, validations, and data handling 🔸 Analyse and fine-tune application performance to ensure efficiency and scalability Key Skills Required ✅ Strong hands-on experience with Oracle APEX development ✅ Proficient in PL/SQL for writing stored … procedures and complex logic ✅ Solid understanding of Oracle database concepts and performance tuning ✅ Familiarity with HTML, CSS, JavaScript (for UI enhancements) ✅ Experience working in Agile environments and full SDLC This is a great opportunity for a technical APEX specialist looking to make a quick impact on a high More ❯

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 … system designs. Lead database migrations from legacy systems (e.g., Sybase , DB2 ) to modern platforms. Required Skills: Strong Core Java expertise, with a focus on performance tuning and optimisation . Solid understanding of algorithms , data structures , and concurrent distributed environments . Proven experience with MongoDB and relational databases (e.g. More ❯

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 … system designs. Lead database migrations from legacy systems (e.g., Sybase , DB2 ) to modern platforms. Required Skills: Strong Core Java expertise, with a focus on performance tuning and optimisation . Solid understanding of algorithms , data structures , and concurrent distributed environments . Proven experience with MongoDB and relational databases (e.g. More ❯

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 … system designs. Lead database migrations from legacy systems (e.g., Sybase , DB2 ) to modern platforms. Required Skills: Strong Core Java expertise, with a focus on performance tuning and optimisation . Solid understanding of algorithms , data structures , and concurrent distributed environments . Proven experience with MongoDB and relational databases (e.g. More ❯

code optimisation for constrained environments. Key Responsibilities: Develop and optimise embedded firmware for BLE audio devices Work on LC3 codec integration and system-level performance tuning Collaborate with hardware, DSP, and software teams to deliver end-to-end solutions Debug and profile firmware on target systems using cross … compilation tools Key Technologies: Embedded C/C++ (performance-optimised code for low-resource systems) BLE/LC3 DSP (Digital Signal Processing fundamentals) Embedded Linux Cross-compilation (GCC toolchain) Python (desirable, not essential) Working Model: Ideally 5 days/week on-site in Belfast Flexible structure: WFH mornings or More ❯

code optimisation for constrained environments. Key Responsibilities: Develop and optimise embedded firmware for BLE audio devices Work on LC3 codec integration and system-level performance tuning Collaborate with hardware, DSP, and software teams to deliver end-to-end solutions Debug and profile firmware on target systems using cross … compilation tools Key Technologies: Embedded C/C++ (performance-optimised code for low-resource systems) BLE/LC3 DSP (Digital Signal Processing fundamentals) Embedded Linux Cross-compilation (GCC toolchain) Python (desirable, not essential) Working Model: Ideally 5 days/week on-site in Belfast Flexible structure: WFH mornings or More ❯

code optimisation for constrained environments. Key Responsibilities: Develop and optimise embedded firmware for BLE audio devices Work on LC3 codec integration and system-level performance tuning Collaborate with hardware, DSP, and software teams to deliver end-to-end solutions Debug and profile firmware on target systems using cross … compilation tools Key Technologies: Embedded C/C++ (performance-optimised code for low-resource systems) BLE/LC3 DSP (Digital Signal Processing fundamentals) Embedded Linux Cross-compilation (GCC toolchain) Python (desirable, not essential) Working Model: Ideally 5 days/week on-site in Belfast Flexible structure: WFH mornings or More ❯

Provide technical configuration and customisation across SAP MDG modules. 🔸 Lead integration activities between SAP MDG and external systems for smooth data workflows. 🔸 Conduct troubleshooting, performance tuning, and technical assessments . 🔸 Collaborate with business and functional stakeholders to translate needs into actionable technical deliverables. Key Skills Required ✅ Proven hands More ❯

we do. About the Role Nscale is looking for AI Engineers to join our core AI team and drive the development of training, fine-tuning, and inference products for our GenAI cloud platform. In this role, you will design and optimise scalable systems for generative AI models, tackle complex … performance challenges, and implement cutting-edge AI solutions. This is a unique opportunity to redefine how generative AI is built and consumed globally, working alongside a world-class team renowned for record-setting performance and a strong commitment to open-source innovation. Responsibilities Collaborate with researchers, engineers, and … product teams to develop innovative platform features and integrate cutting-edge advancements. Architect, build and optimise scalable, high-performance systems for training, fine-tuning, and inference of generative AI models. Design and implement advanced methodologies like LoRA, prefix-tuning, and adapter-based approaches for fine-tuning More ❯

and deployment lifecycle of our SAP Commerce Cloud environment. This role is responsible for driving improvements to and maintaining infrastructure stability, diagnosing infrastructure and performance issues, and managing the end-to-end planning and execution of SAP Commerce Cloud releases and deployments on SAP’s “CCv2” cloud infrastructure. Experience … D365), inventory, or customer-specific pricing. Familiarity with headless or composable commerce approaches. Responsibilities: Infrastructure Diagnosis & Optimization Monitor, diagnose, and resolve infrastructure, health, and performance issues in SAP Commerce Cloud (CCv2) environments (Dev, QA, Prod), including scaling inefficiencies, downtime events, and integration failures. Partner and collaborate with SAP support … customer and SI partner development teams, and the customer and SI partner DevOps teams to investigate platform issues, performance bottlenecks, and environment failures. Evaluate CCv2 logs, monitoring tools (such as Dynatrace and Kibana), and system metrics to investigate and ensure platform stability and performance. Recommend improvements to cloud infrastructure More ❯

end-to-end integration of AI/ML functionality within broader product development efforts. Technical Leadership Define best practices for MLOps, model deployment, and performance tuning. Evaluate and implement new frameworks, tools, and cloud-native AI solutions (including LLMs). Make strategic technical decisions that align with broader business … infrastructure-as-code tools like Terraform. Solid understanding of large-scale data pipelines, distributed systems, and microservice architectures. Comfortable working with LLMs, model fine-tuning, and building features powered by generative AI. Experience setting up CI/CD pipelines for ML workflows and maintaining scalable systems in the cloud. More ❯

and optimise PostgreSQL databases hosted on Amazon Aurora and Oracle databases hosted on on-premise Exadatas and AWS RDS. Support the migration of high-performance, mission-critical databases from on-premise Exadata's to AWS Aurora Postgres. Support workloads on other database engines in AWS, including MySQL, MariaDB and … architecture, including replication, clustering and indexing strategies, and a strong understanding of Postgres' vacuum/MVCC process. Proven experience with query optimization and database performance tuning. Hands-on experience with AWS services such as EC2, S3, VPC, and IAM. Solid understanding of database security principles and compliance frameworks Experience More ❯