driven architectures. Ability to identify and resolve flow issues, optimize performance, and implement error handling strategies. Optional scripting skills for creating custom NiFi processors. Programming & Data Technologies: Proficiency in Java and SQL. Experience with C# and Scala is a plus. Experience with ETL tools and big data platforms. Knowledge of data modeling, replication, and query optimization. Hands-on experience with More ❯
Reading, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This … with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best … take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity More ❯
Reading, Berkshire, England, United Kingdom Hybrid / WFH Options
Avanti
architecture, which is hosted on AWS. You will be working on improving and building the solutions with a team of like-minded and creative developers. Tech stack: Kotlin, Spring, Java, PostgreSQL, AWS, Microservices, Typescript, Docker, Kubernetes, Terraform, JSON/REST, SOAP, and XML. This role is a backend development position, and not mobile/android focused. You will need to More ❯
Reading, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
One of the UKs most iconic omni-channel retailers is looking for a Lead Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java , strong architectural understanding of microservices , and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This … with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best … take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity More ❯
Reading, Oxfordshire, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
To be successful in this role you will have . Commercial experience working in AI/ML Strong programming skills with Python and other languages such as R or Java Strong cloud experience in an Azure environment (AWS or GCP also beneficial) Experience with Gen AI would be beneficial This is a home-based role, however travel to client sites More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
To be successful in this role you will have . Commercial experience working in AI/ML Strong programming skills with Python and other languages such as R or Java Strong cloud experience in an Azure environment (AWS or GCP also beneficial) Experience with Gen AI would be beneficial This is a home-based role, however travel to client sites More ❯
of working with PLC systems ideally or an interest in working with them – Beckhoff or similar An interest in software engineering would be ideal – any previous exposure to C++, Java or similar (this could be in your hobbies too) Be able to work well individually as well as part of a team Have excellent communication skills both verbal and written More ❯
Reading, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
growth and the wider community. Actively contribute to technical decision-making and project shaping from inception to release. Key Requirements: Extensive experience in native Android development using Kotlin and Java . Strong grasp of MVVM , MVP , and modern Android architecture patterns. Deep understanding of TDD , pair programming , and Agile methodologies (Scrum/Kanban). Proficient with CI/CD tools … exposure to iOS development (Swift), GraphQL, microservices, or cloud platforms (AWS, GCP, Azure). Understanding of modern front-end technologies like React/Redux or experience in backend services (Java/Kotlin). Passion for UX and a customer-centric approach to development. Why Join? Flexible hybrid working: Work remotely with occasional visits to the office Opportunities for continuous learning More ❯
Reading, Berkshire, United Kingdom Hybrid / WFH Options
Bowerford Associates
to explain technical concepts to a range of audiences. Able to provide coaching and training to less experienced members of the team. Essential skills: Programming Languages such as Spark, Java, Python, PySpark, Scala or similar (minimum of 2) Extensive Data Engineering and Data Analytics hands-on experience Significant AWS hands-on experience Technical Delivery Manager skills Geospatial Data experience (including … benefits to support your well-being and career growth. KEYWORDS Principal Geospatial Data Engineer, Geospatial, GIS, QGIS, FME, AWS, On-Prem Services, Software Engineering, Data Engineering, Data Analytics, Spark, Java, Python, PySpark, Scala, ETL Tools, AWS Glue. Please note, to be considered for this role you MUST reside/live in the UK, and you MUST have the Right to More ❯
Employment Type: Temporary
Salary: £80000 - £500000/annum Pension, Good Holiday, Insurances
Reading, Berkshire, South East, United Kingdom Hybrid / WFH Options
Bowerford Associates
to explain technical concepts to a range of audiences. Able to provide coaching and training to less experienced members of the team. Essential skills: Programming Languages such as Spark, Java, Python, PySpark, Scala (minimum of 2). Extensive Data Engineering hands-on experience (coding, configuration, automation, delivery, monitoring, security). ETL Tools such as Azure Data Fabric (ADF) and Databricks … in the UK, and you MUST have the Right to Work in the UK long-term without the need for Company Sponsorship. KEYWORDS Senior Data Engineer, Coding Skills, Spark, Java, Python, PySpark, Scala, ETL Tools, Azure Data Fabric (ADF), Databricks, HDFS, Hadoop, Big Data, Cloudera, Data Lakes, Azure Data, Delta Lake, Data Lake, Databricks Lakehouse, Data Analytics, SQL, Geospatial Data More ❯
Reading, Berkshire, England, United Kingdom Hybrid / WFH Options
Computer Futures
complex operational challenges with bespoke technical solutions. Key Responsibilities: Design and implement automated test frameworks across UI & API Perform manual and automated testing using open-source tools (e.g., Selenium, Java) Apply agile methodologies including TDD, BDD, ATDD Contribute to CI/CD pipelines and support exploratory testing Engage in non-functional testing (Security, Performance, Accessibility, OAT) Collaborate with QA teams … to improve frameworks and processes Ideal Candidate: Strong experience in both manual and automation testing Proficient in Selenium and Java Comfortable working in agile environments and driving best practices Passionate about continuous improvement and emerging technologies Eligible for UK security clearance (British passport holder, UK resident for past 5 years) Culture & Benefits: Inclusive, team-led environment with a small-business More ❯
Reading, Berkshire, England, United Kingdom Hybrid / WFH Options
Computer Futures
scale systems. What You'll Be Doing: Building robust automated test frameworks across UI & API layers Driving continuous testing in CI/CD pipelines using open-source tools (Selenium, Java) Championing agile practices like TDD, BDD, and ATDD Leading exploratory and non-functional testing (Security, Performance, Accessibility, OAT) Collaborating with QA teams to evolve testing strategies and frameworks Who You … Are: A seasoned tester with strong automation and manual testing skills Fluent in Selenium and Java, and passionate about clean, scalable test code Agile-savvy and always pushing for best practices Curious, innovative, and excited by emerging tech Eligible for UK security clearance (British passport, UK resident for 5+ years) What's in It for You: A close-knit, inclusive More ❯
Reading, Berkshire, South East, United Kingdom Hybrid / WFH Options
Bowerford Associates
to explain technical concepts to a range of audiences. Able to provide coaching and training to less experienced members of the team. Essential Skills: Programming Languages such as Spark, Java, Python, PySpark, Scala or similar (minimum of 2). Extensive Big Data hands-on experience across coding/configuration/automation/monitoring/security is necessary. Significant AWS or … MUST have the Right to Work in the UK long-term as our client is NOT offering sponsorship for this role. KEYWORDS Lead Data Engineer, Senior Data Engineer, Spark, Java, Python, PySpark, Scala, Big Data, AWS, Azure, Cloud, On-Prem, ETL, Azure Data Fabric, ADF, Hadoop , HDFS , Azure Data, Delta Lake, Data Lake Please note that due to a high More ❯
external third party colleagues on Refinements (at an Epic level). 70% of your time will be writing and developing code using programming languages such as SQL, Groovy, Python, Java, and JavaScript. The remaining 30% of your time you will define and own the overall test strategy and approach for the project. You will develop comprehensive test plans, test cases … as a Technical Development/Test Lead on large-scale projects. Your CV should evidence proficiency in Programming and Scripting: Use of programming languages such as SQL, Groovy, Python, Java, and JavaScript. Testing and Troubleshooting: Design, execute, monitor, and troubleshoot Automation Workflows. Collaboration: Work closely with wider Team - including developers and business stakeholders to identify automation requirements and ensure seamless More ❯
Employment Type: Contract
Rate: £450.0 - £550 per day + Up to £550 per day Inside IR35