in migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL, including performancetuning and SQL dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Become
mindset is highly desirable Desirable Attributes Experience with event-driven architectures and messaging systems (e.g., Kafka) Exposure to Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performancetuning Ability to mentor junior engineers and lead backend design initiatives Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Become
collaborate across multidisciplinary teams Desirable Attributes Exposure to event-driven architectures and messaging systems (e.g., Kafka) Experience with Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performancetuning Ability to mentor junior engineers and contribute to backend design leadership Prior consulting experience or experience in client-facing roles Engagement Model Outside IR35 12-month initial More ❯
relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement scalable software systems. Familiarity with distributed system patterns and architectural trade-offs. Experience with performancetuning and troubleshooting in complex environments. Data Systems Knowledge: Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services. Familiarity with SQL More ❯
Farnborough, Hampshire, South East, United Kingdom
Peregrine
relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement scalable software systems. Familiarity with distributed system patterns and architectural trade-offs. Experience with performancetuning and troubleshooting in complex environments. Data Systems Knowledge: Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services. Familiarity with SQL More ❯
design, development and management of high quality, efficient and effective solutions in Microsoft SQL Server T-SQL and related tools to support and extend data migration projects. Optimise database performance by identifying bottlenecks, fine-tuning queries, and implementing best practices to enhance the efficiency of internal systems and improve response times. Analyse and cleanse production-level datato ensure … Writing complex scripts for data manipulation and management report generation Export/Import of data Data conversion/migration Data correction Database object creation (Functions, Stored Procedures, Tables, etc) Performancetuning of new and existing code Analyse SQL code for potential flaws Optimisation and maintenance of existing products Desired Skills 3+ years of SQL Developer experience supporting MS More ❯
Lincoln, Lincolnshire, East Midlands, United Kingdom Hybrid / WFH Options
Frontier Agriculture Limited
and Azure Databricks Knowledge of industry best practices for data modelling and database design Ability to collaborate with cross-functional teams to gather and analyse data requirements Experience in performancetuning and optimization of database queries Experience in Scrum/Agile teams Your Role As a Data Modeller your role will involve: Active participation in all Agile ceremonies … improve efficiency and accuracy of data modelling processes Create and maintain data dictionaries and metadata repositories to ensure consistency and integrity of data models Identify and resolve data model performance issues to optimize database performance and enhance overall system functionality Document and communicate data model designs and standards to ensure understanding and compliance across the organization Stay current More ❯
Employment Type: Permanent, Work From Home
Salary: Competitive + Benefits + 33 Days Holiday + Employee Assistance Program
Ipswich, Suffolk, England, United Kingdom Hybrid / WFH Options
365Jobs
to various countries across the world. The successful candidate will have hands on experience of .NET Core, C# and SQL Server, with recent experience of reviewing and optimising SQL performance issues. One of the other key responsibilities of this engagement will be to lead the transition of the existing code base from a monolith to modular monolith architecture, so … in 2 weeks. All necessary hardware & software will be provided by the client as access to their networks is required to successfully support the project. Key Responsibilities: Address SQL performance issues and resolving business-raised bugs efficiently. Lead the transition of the existing monolithic code base to a Modular Monolith architecture. Collaborate with team members and stakeholders to ensure … smooth implementation of changes. Key Skills and Experience: 10+ years of professional experience in software development Strong proficiency in .NET Core/C# Deep understanding of SQL Server performancetuning, indexing, and query optimization Proven experience designing and implementing Microservices and Modular Monolith architectures Solid grasp of Mediator, CQRS pattern and experience with libraries like MediatR. Hands-on More ❯
Manager (Level 3) to lead our senior infrastructure team in supporting and enhancing a mission-critical, on-premises enterprise infrastructure environment. This role is responsible for the availability, scalability, performance, and integrity of enterprise data centre operations, virtualisation platforms, storage systems, and server infrastructure. The successful candidate will combine technical depth with strategic leadership to ensure operational excellence in … Virtualisation platforms (eg, VMware vSphere, Hyper-V) Enterprise storage systems (SAN, backup/restore, archival) Identity and access systems (eg, Active Directory, ADFS, Group Policy) Ensure continuous availability and performance of systems through robust monitoring, patching, and automation. Lead technical resolution of high-impact incidents, performing root cause analysis and implementing long-term fixes. Maintain relationships with infrastructure vendors … Associate ITIL v4 Foundation or Practitioner Certifications in storage, backup, or data centre operations Key Competencies Proven leadership in enterprise-scale, high-availability environments Deep technical problem-solving and performancetuning skills Clear communication across technical and executive stakeholders Process-oriented, with a focus on standardisation and operational excellence Additional Information We don't believe hiring is a More ❯
Milton Keynes, Buckinghamshire, United Kingdom Hybrid / WFH Options
The Boeing Company
ETL) processes using SAP Data Services. Data Quality Management: Develop and implement data quality rules and validation processes. Job Scheduling: Create and manage job schedules for data integration tasks. PerformanceTuning: Optimize data flows and processes for performance improvements. Script Development: Write custom scripts using Data Services scripting language for complex transformations. Integration: Integrate SAP Data Services More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Become
multidisciplinary teams Desirable Attributes Exposure to microservices architecture and event-driven systems (e.g., Kafka) Experience with design systems and component libraries (e.g., Material, Storybook) Familiarity with observability tools and performancetuning Prior consulting experience or experience in client-facing roles Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working model More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
TwinStream
/CD tools (such as Jenkins or GitHub actions) Good understanding of relational databases and SQL Linux command line, administration and shell scripting Solid understanding of monitoring, auto-scaling, performancetuning, troubleshooting and disaster recovery best practices Working knowledge of network security protocols Working knowledge of AWS Experience with monitoring tools such as InfluxDB, Prometheus or Grafana Experience More ❯
a leading, global business renowned for developing their employees and offering fantastic career paths. A natural communicator, team player, and problem solver, your main responsibility will be maintaining network performance through monitoring, performancetuning, and troubleshooting. The ideal Network Engineer will have experience with key networking technologies such as IPV4, TCP/IP, QoS, DNS, SMTP, SNMP More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Morgan McKinley
PostgreSQL or similar. Strong working knowledge of Oracle PL/SQL and the ability to translate procedural logic into C#. Solid experience with PostgreSQL, including handling dialect differences and performance tuning. Comfortable working in hybrid environments where legacy and modern platforms coexist. Familiarity with AI-enabled tools that accelerate development and migration tasks. Strong grasp of software architecture principles More ❯
Provide technical leadership for the 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, performancetuning, and diagnostic examinations to address system or software failures. Plan and deliver knowledge transfer activities More ❯
days left to apply) job requisition id R Behind every race-winning team is a world-class support network. Our business functions drive efficiency, innovation, and performance, ensuring success on and off the track. If you're motivated, skilled, and ready to be part of something extraordinary, we want to hear from you! We're looking for a skilled … Extensive practical experience with Power BI, including data modelling, Power Query, and DAX development. Strong command of Microsoft SQL Server, with expertise in T-SQL, stored procedures, and query performance optimisation. Proven ability to design and implement ETL processes using SQL Server Integration Services (SSIS). Good understanding of data warehousing concepts, including dimensional modelling techniques. Familiar with BI … performancetuning and applying best practices to ensure efficient data solutions. Keen to be part of the team that keeps everything ticking behind the scenes at Red Bull Racing? Join our Support Functions and you won't just get a great role - you'll enjoy some seriously good perks too including: Bonus scheme Private healthcare A pension scheme More ❯
Klarent Hospitality operates branded hotels in key locations across the UK and Ireland. We nurture talent and smart investment to drive superior performance and growth. We have an exciting opportunity for an experienced BI professional to join our dynamic team as BI Developer (Qlik) based at Klarent's Glasgow Head Office. This role will be pivotal in helping us … work with the latest technologies. The Role Reporting directly to the senior leadership team, the BI Developer will: Design, develop, and maintain Qlik Sense applications and dashboards to support performance reporting and strategic initiatives. Collaborate with business stakeholders to gather requirements and deliver actionable insights. Integrate and manage data from various sources through effective ETL processes. Ensure data integrity … consistency, and reliability across reporting platforms. Provide technical support, performancetuning, and troubleshooting for BI tools and applications. Maintain documentation for BI solutions, processes, and data models. The Ideal Candidate Proficient in QlikView and Qlik Sense, including scripting, data modelling, and dashboard design. Strong understanding of SQL and relational databases. Experience with ETL tools and data warehousing concepts. More ❯
Hessle, North Humberside, United Kingdom Hybrid / WFH Options
Sewell Group
support data-driven decision-making. Collaborate with stakeholders to gather requirements and translate them into technical specifications and solutions. Develop backend services and APIs using .NET (C#), ensuring scalability, performance, and security. Integrate front-end and back-end components using RESTful APIs and modern JavaScript frameworks (e.g., Vue with TypeScript). Model and manage data using Dataverse and SQL … Server, including performancetuning and complex queries. Write and maintain unit and integration tests for both front-end and back-end components to ensure code quality. Participate in Agile development practices including sprint planning, daily stand-ups, and retrospectives. Ensure adherence to data protection, security standards, and confidentiality requirements in all development activities. As well as exhibiting our … Proven professional experience in full stack development Extensive experience building backend services using .NET (Preferred C#). Deep understanding of Entity Framework and SQL Server, including complex queries and performance tuning. Strong front-end development skills with modern JavaScript frameworks (Preferred Vuetypescript). Significant experience of working with and developing on databases and RDBMS solutions (MS SQL preferred) Experience More ❯
Bromsgrove, Worcestershire, United Kingdom Hybrid / WFH Options
Talk Recruitment
for candidates to be based fully remote working in this role. Role: As a Senior Backend Engineer, you will play a pivotal role in ensuring the smooth operation and performance of our gaming infrastructure. You will be responsible for designing, developing, and maintaining high-performance backend services that support real-time online games and applications. You will work … to understand game requirements, deliver backend solutions and help integrate user-facing elements with services Ensure the scalability and reliability of services for millions of concurrent users Analyse system performance and identify opportunities for optimization. Implement security and data protection methods to protect player information and comply with data protection laws Collaborate with player support and other teams to … Expertise with microservices and languages such as Java, Kotlin, C# or similar Experience with message queue systems such as RabbitMQ or similar Experience with product development lifecycle. Stress-testing, performance-tuning, and optimization skills. Debugging in multi-threaded environments. Eligible to work in the UK. Desirable Skills: Technologies such as Zookeeper, Terraform, Ansible, Cassandra, RabbitMQ, Kafka, Spark, Redis More ❯
Bromsgrove, Worcestershire, United Kingdom Hybrid / WFH Options
Talk Recruitment
for candidates to be based fully remote working in this role. Role: As a Senior Backend Engineer, you will play a pivotal role in ensuring the smooth operation and performance of our gaming infrastructure. You will be responsible for designing, developing, and maintaining high-performance backend services that support real-time online games and applications. You will work … to understand game requirements, deliver backend solutions and help integrate user-facing elements with services Ensure the scalability and reliability of services for millions of concurrent users Analyse system performance and identify opportunities for optimization. Implement security and data protection methods to protect player information and comply with data protection laws Collaborate with player support and other teams to … Expertise with microservices and languages such as Java, Kotlin, C# or similar Experience with message queue systems such as RabbitMQ or similar Experience with product development lifecycle. Stress-testing, performance-tuning, and optimization skills. Debugging in multi-threaded environments. Eligible to work in the UK. Desirable Skills: Technologies such as Zookeeper, Terraform, Ansible, Cassandra, RabbitMQ, Kafka, Spark, Redis More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
Responsibilities: Develop and maintain front-to-back pricing and risk solutions using Java 21 Collaborate with Front Office, Quants, Risk, and DevOps teams Prioritise non-functional requirements such as performance, reliability, and maintainability Improve development tooling, deployment pipelines, and overall engineering processes Provide level 3 support and contribute to operational excellence Essential Skills: Strong core Java development (streams, lambdas … concurrency APIs) Deep understanding of distributed systems and multithreaded architectures Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems Experience with performancetuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack) Solid Computer Science foundation (algorithms, data structures, concurrency) Proven track record delivering applications from design to production Desirable Experience: Background in investment banking, particularly More ❯
needs into effective technical prototypes and solutions Collaborate with stakeholders, data teams, and service partners Ensure data security, governance, and regulatory compliance Monitor and optimise cloud resource usage and performance Automate data lifecycle tasks to improve speed, consistency, and reliability Support analytics teams with clean, modelled data for self-service tools Mentor peers, share documentation, and support technical best … Azure : Data Factory, Synapse, Monitor, ARM GCP : BigQuery, Dataflow, Cloud Composer, Pub/Sub Strong knowledge of data warehousing, storage, and modelling Experience with ETL/ELT processes and performancetuning Hands-on scripting (Python, PowerShell) for automation Familiarity with CI/CD tools (Azure DevOps, GitHub Actions) Infrastructure as Code: Terraform, ARM templates Working knowledge of data More ❯
includes assisting with IT project implementation, performing high-level system administration on various environments, managing incidents and problems to improve system reliability, creating technical documentation, ensuring cybersecurity, monitoring system performance, planning for capacity, and communicating effectively with both customers and internal teams. This individual will also act as a role model for junior team members. Key Tasks & Responsibilities Include … intrusion detection systems Conduct regular security audits and vulnerability assessments Work within the parameters of ISO 27001, taking guidance from the compliance team as needed System Monitoring Monitor system performance and identify areas for improvement Implement performancetuning and optimisation techniques to ensure optimal system operation Capacity Planning Analyse system capacity and plan for future growth and More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
The One Group
stakeholders in a collaborative, agile team. This is an ideal role for someone who enjoys owning both backend and frontend work, while also getting hands-on with data structure, performance, and scalability. Key Responsibilities: Build and maintain full-stack applications using C# , .NET , and Blazor Design and optimise SQL-based backend systems and data processes Translate business needs into … team environment Quick learner with a proactive mindset and strong problem-solving skills Desirable Skills: Frontend: Blazor , HTML, CSS Backend: Microsoft SQL Server, T-SQL, MySQL Data warehousing and performancetuning Entity Framework Core, API development Unit testing (xUnit), automation testing, Selenium CI/CD workflows (Bitbucket, feature branching), Jira Experience with asynchronous processing or message-based systems More ❯
of conceptual, logical, and physical modelling techniques. Experience with database systems (relational: Oracle, SQL Server, PostgreSQL, MySQL; columnar: Redshift, Snowflake; NoSQL: MongoDB, Cassandra). Advanced SQL skills (DDL, DML, performancetuning) and scripting experience (PL/SQL, T-SQL, Python or Shell). Knowledge of data warehousing concepts (Inmon/Kimball) and ETL tools (e.g., Informatica). Cloud … using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an More ❯