data pipelines for performance, efficiency, and cost-effectiveness. Implement data quality checks and validation rules within data pipelines. Data Transformation & Processing: Implement complex data transformations using Spark (PySpark or Scala) and other relevant technologies. Develop and maintain data processing logic for cleaning, enriching, and aggregating data. Ensure data consistency and accuracy throughout the data lifecycle. Azure Databricks Implementation: Work extensively More ❯
london (city of london), south east england, united kingdom
Mastek
data pipelines for performance, efficiency, and cost-effectiveness. Implement data quality checks and validation rules within data pipelines. Data Transformation & Processing: Implement complex data transformations using Spark (PySpark or Scala) and other relevant technologies. Develop and maintain data processing logic for cleaning, enriching, and aggregating data. Ensure data consistency and accuracy throughout the data lifecycle. Azure Databricks Implementation: Work extensively More ❯
+ data integration patterns. Experience of working with complex data pipelines, large data sets, data pipeline optimization + data architecture design. Implementing complex data transformations using Spark, PySpark or Scala + working with SQL/MySQL databases. Experience with data quality, data governance processes, Git version control + Agile development environments. Azure Data Engineer certification preferred -eg- Azure Data Engineer More ❯
performance testing activities Provide production support by troubleshooting issues and tuning environments Follow and enforce technical best practices throughout all project phases Required Skills: Strong Application development experience in Scala/Python Strong Database SQL experience, preferably Redshift Experience in Snowflake is an added advantage Experience with ETL/ELT process and frameworks is a must What is in it More ❯
london (city of london), south east england, united kingdom
Quantiphi
performance testing activities Provide production support by troubleshooting issues and tuning environments Follow and enforce technical best practices throughout all project phases Required Skills: Strong Application development experience in Scala/Python Strong Database SQL experience, preferably Redshift Experience in Snowflake is an added advantage Experience with ETL/ELT process and frameworks is a must What is in it More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
data pipelines You have strong Data Engineering experience including design and data modelling skills You have advanced SQL and NoSQL database knowledge You can code with Golang, Python or Scala You have experience with Google BigQuery You have a good knowledge of event-driven architectures and messaging systems (Pub/Sub, Kafka) You have experience of deploying and managing services More ❯
including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems, solving More ❯
london (city of london), south east england, united kingdom
Heart Mind Talent
including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems, solving More ❯
City of London, London, United Kingdom Hybrid / WFH Options
ECS
years in cloud architecture/engineering with a strong focus on building scalable data pipelines Expertise in Azure Databricks (7+years) including building and managing ETL pipelines using PySpark or Scala (essential) Solid understanding of Apache Spark, Delta Lake, and distributed data processing concepts Hands-on experience with Azure Data Lake Storage Gen2, Azure Data Factory, and Azure Synapse Analytics Proficiency More ❯
as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with data warehouses e.g. BigQuery, Redshift, Snowflake • Ability to work collaboratively • Open to new More ❯
london (city of london), south east england, united kingdom
RedCat Digital
as build brand new ones. The Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong coding experience in either Java, Golang (Go), Python or Scala – multiple would be even better! • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with data warehouses e.g. BigQuery, Redshift, Snowflake • Ability to work collaboratively • Open to new More ❯
scope for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical” . Our clients diverse tech stack includes TypeScript, Java, .Net, Scala, Kotlin, Golang, Elixir, Python, .Net, Node.js, and Rust. Experience with one, or more than one of those languages would be preferred. We focus on lean teams without traditional management layers More ❯
london (city of london), south east england, united kingdom
Sahaj Software
scope for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical” . Our clients diverse tech stack includes TypeScript, Java, .Net, Scala, Kotlin, Golang, Elixir, Python, .Net, Node.js, and Rust. Experience with one, or more than one of those languages would be preferred. We focus on lean teams without traditional management layers More ❯
performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in scripting languages (Scala, Python, Shell). This role offers the chance to make an impact on a global platform, work with cutting-edge tech, and collaborate with a talented cross-functional team. More ❯
london (city of london), south east england, united kingdom
Arrows
performance tools. Strong knowledge of CI/CD tools (Jenkins, GitHub Actions, Gradle/Maven). Skilled in monitoring/logging with Prometheus and Grafana. Proficiency in scripting languages (Scala, Python, Shell). This role offers the chance to make an impact on a global platform, work with cutting-edge tech, and collaborate with a talented cross-functional team. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
affordable access to clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies This is a fantastic opportunity to step More ❯
Scala Developer – Contract (Inside IR35 | Up to £600 per day) 🌟 My client is looking for a talented Senior Scala Developer to join their high-performing tech team. This is a brilliant opportunity to work on complex, large-scale systems that keep data flowing seamlessly across critical platforms. 🔧 What You’ll Do Design, build, test, and maintain software that integrates and … align with broader technical goals Support and mentor junior developers, sharing knowledge and best practices 💡 What You’ll Bring Proven experience delivering production-grade, complex applications Strong background in Scala, ideally within the Akka/Pekko ecosystem Experience with Docker, Kubernetes, and cloud platforms Solid Test-Driven Development skills and understanding of testing at all levels Familiarity with CI/… Experience working in agile environments (Scrum or Kanban), ideally with pair programming exposure A proactive mindset, strong communication skills, and a genuine passion for collaboration If you’re a Scala enthusiast who loves solving challenging problems and wants to work on systems that matter, I’d love to chat! 📩 Drop me a message or send your CV across if you More ❯
A-level Maths or equivalent Excellent Excel skills Logical thought processes A STEM degree from a top ranked University An interest and some coding ability (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London More ❯
level Maths or equivalent Excellent problem solver Strong attention to detail Logical thought processes An interest in coding with some fundamental skills in one language (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London More ❯
london (city of london), south east england, united kingdom
Quant Capital
level Maths or equivalent Excellent problem solver Strong attention to detail Logical thought processes An interest in coding with some fundamental skills in one language (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London More ❯
london (city of london), south east england, united kingdom
Quant Capital
A-level Maths or equivalent Excellent Excel skills Logical thought processes A STEM degree from a top ranked University An interest and some coding ability (VBA, Ruby, Go, Lua, Scala, Python or C++ or OO Language) An appetite for delivering solutions to complex problem My client is based in London More ❯
help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are looking for a skilled Spark/Scala Developer to join our data engineering team. The ideal candidate will have hands-on experience in designing, developing, and maintaining large-scale data processing pipelines using Apache Spark and Scala. More ❯
london (city of london), south east england, united kingdom
Capgemini
help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are looking for a skilled Spark/Scala Developer to join our data engineering team. The ideal candidate will have hands-on experience in designing, developing, and maintaining large-scale data processing pipelines using Apache Spark and Scala. More ❯
and supply to the broader technical vision. Support and mentor less experienced members of the team. What you'll bring Track record of delivering complex, production quality applications. Strong Scala development experience, preferably in the akka/pekko ecosystem. Experience working with Docker, Kubernetes and Cloud technologies. Strong Test Driven Development background, with understanding of levels of testing required to More ❯
expectations in locally relevant ways and adhere to regulatory norms. The pricing platform supports millions of users every year in finding suitable travel products using technologies such as Java, Scala, Kotlin, Spring, MSSQL, DynamoDB, Redis, etc. We encourage experimentation with new technologies while maintaining a healthy balance between short- term and long-term goals. We deeply care about building a … of professional software development experience), or Master's Degree (2+ years post-degree experience) Hands-on experience in software development using Java or similar object-oriented programming languages, or Scala or Kotlin or similar functional languages Proven experience building and operating scalable distributed systems and services within AWS cloud infrastructure or similar technologies. Designed and implemented distributed, event-driven systems More ❯