Develop C# .NET BI applications using Visual C#.NET, Oracle, and SQL Server. Support existing applications and environments for a Japanese banking group's BI IT department, including data analysis with T-SQL and PL/SQL. Troubleshoot systems on Windows Servers and databases, liaising with teams in London and New York.

Wise★3.5 (42)· London

Lead a growing Solutions Engineering team in EMEA, providing technical consulting and product guidance to top-tier banks integrating Wise’s international finance products via REST API. Work with RESTful design, OpenAPI, OAuth2, and microservice architecture to architect integrations and influence the product roadmap.

Sell Oracle’s Database Platform across Oracle Cloud Infrastructure (OCI) and multicloud deployments (Azure, Google Cloud, AWS). Use MEDDPICC qualification methodology and work with open-source/cloud-native database alternatives like Postgres and MongoDB. The role focuses on building strategic relationships and closing cloud database opportunities in enterprise accounts.

You will work with Java and SpringBoot microservices on Linux and OpenShift, building APIs and using build tools like Gradle, CI/CD, Git, and BitBucket/GitHub. As part of the Technology Application Strategy team, you will design and deploy cutting-edge developer tooling and productivity solutions for Citi’s global developer community.

Java (JDK 11+), multithreading, SQL/NoSQL databases (Oracle, MySQL, PostgreSQL, MongoDB, Cassandra), message queuing (Kafka, Tibco, Solace), Linux, JVM, and TDD. This tech lead role builds high-performance FX risk calculation systems for Citi’s Markets technology team, which supports global trading and risk management.

As a Senior Java Engineer, you will work with Java, Oracle, Hadoop, Elasticsearch, and LLMs (Llama, ChatGPT) to re-architect a tier-one bank's capital markets workflow engine, integrating AI to scale from hundreds to thousands of concurrent users handling massive daily transaction volumes.

HCLTech★3.7 (11k)· London

You will use Azure Data Factory, Azure Databricks, SQL, Oracle PL/SQL, and Python to design, develop, and maintain data pipelines and ETL processes for large datasets. As Technical Lead, you will lead end-to-end technical implementation, optimize workflows, and mentor junior team members.

Java Developer role using Java, RESTful APIs, microservices, PostgreSQL, Oracle DB, SQL, Kubernetes, AWS, and monitoring tools. The developer builds and maintains backend APIs, new services, and database integrations, collaborating with product, DevOps, and QA teams. Requires at least 3 years of Java experience and Chinese language proficiency.

Works with Azure Data Factory, Azure Databricks, SQL, Oracle PL/SQL, and Python. Leads technical implementation of data pipeline and ETL projects, focusing on design, development, and optimization. Provides mentoring to junior team members and ensures data quality and governance.

Work with Azure and AWS cloud platforms, programming in Java and Python, and big data frameworks including Hadoop, Spark, Apache Hive alongside Informatica and SQL databases (Microsoft SQL Server, Oracle). The role involves data processing tasks within Assura Protect's cloud infrastructure.

Design and develop Anaplan solutions for Finance and Actuarial functions, building models, modules and dashboards. Integrate Anaplan with Oracle Fusion, data warehouses and reporting platforms. Use Application Lifecycle Management (ALM) and model optimisation techniques.

Oracle★3.8 (7.6k)· London

This role works with Oracle Cloud Infrastructure (OCI), AI, cloud-native services, Kubernetes, and data platforms. The Account Executive acquires, develops, and grows strategic relationships with Independent Software Vendors (ISVs) to help them build, modernize, and scale their applications on OCI.

Design, build, and deploy GenAI and ML solutions using OpenAI APIs, RAG, Python, Databricks, Spark, Delta Lake, and AWS (S3, Redshift, Lambda). You will work on predictive models and enterprise GenAI apps for Product, Sales, Finance, Marketing, Customer Success, and Engineering, owning projects end-to-end and integrating with Salesforce and Oracle platforms.

Senior Java developer working with Spring Boot, J2EE, RESTful APIs, Microservices, Kubernetes or OpenShift, Angular, JavaScript, Bootstrap, HTML5, CSS3, SQL, PL/SQL, JBoss or Oracle 10gAS, Git, Maven, Jenkins. You will design, develop and enhance enterprise BSS/OSS solutions, mentoring junior developers within an Agile team.

You will work with C#, the latest .NET platform, and SQL Server, Oracle, or equivalent relational databases. The role is being recruited by Spectrum IT Recruitment, a tech recruitment firm.

You will work with SCADA, DMS, OMS, DERMS, ICCP, CIM, IEC protocols, GIS, and AMI. As ADMS Engineering Leader on the Intelligent Grid Solutions team, you will deliver large-scale Advanced Distribution Management System programmes for European utilities, leading multi-disciplinary engineering teams.

Senior Software Engineer designs and maintains backend services and APIs using Java, Python, and Node.js, working with microservices and Spring Boot. The role involves building REST, GraphQL, and SOAP APIs, using relational and NoSQL databases (MySQL, PostgreSQL, Oracle, Redis), and performing cloud-native development in AWS environments. This position supports financial systems and integrations within the leading global business aviation company, Vista.

Wise★3.5 (42)· London

Build backend

GREAT ORMOND STREET HOSPITAL★3.9 (81)· London

Manage SQL Server, other relational database management systems, SSRS, SSIS, HA SQL clusters, and AWS or Azure. Ensure the availability, performance and security of database platforms supporting critical clinical and non-clinical services at Great Ormond Street Hospital. Lead a small DBA team, providing line management and enforcing SLAs.

Fivetran★3.3 (8)· London

Senior Sales Engineer working with AWS, GCP, Azure, Snowflake, BigQuery, Databricks, Kubernetes, Docker, Podman, Grafana, Linux, Windows, Python, Java, and databases like Oracle, SQL Server, Postgres, MySQL, and NoSQL. The role supports Fivetran’s Commercial sales team by understanding customer data replication needs and leading proof-of-value processes for the company’s automated data pipeline and transformation solutions.

Virtusa★3.7 (1.1k)· London

Work with Java 11/17+, Spring Boot, Camunda, REST APIs, Microservices, Oracle/PostgreSQL, Azure/AWS/GCP, Docker, and CI/CD (Jenkins/GitHub Actions). The team delivers enterprise-scale digital transformation initiatives, building workflow-driven solutions using Camunda and Java. No team size is stated.

Future Publishing★3.2 (28)· London

Work with Oracle PL/SQL, Oracle APEX 24.2, Oracle Forms 12c, WebLogic, .NET, and Oracle 19c databases on Data Appliance hardware. Support Marketforce’s bespoke magazine-distribution applications, handling BAU delivery, enhancements, and development within a nine-person Circulation Tech team.

You will work with Java, JavaScript, Python, or C#; open-source frameworks like Cypress, Karate, PlayWright, or Selenium; CI/CD pipelines in Azure DevOps; and JMeter for performance testing. As part of an agile team, you’ll help clients achieve business transformation goals through automated and manual testing.

You will use C#/.NET, Vue.js/React, AWS (SQS, DynamoDB, S3, ECS, Lambda), GitHub Actions, and agentic coding tools to build ERP integrations. Your squad owns the in-product workflows Xe runs inside Sage, Business Central, Dynamics 365 F&O, and Xero, plus the accounting orchestration layer behind them. Xe is rebuilding its cross-border payments platform for corporate and consumer clients.

Work with Oracle 19c, PL/SQL, Oracle APEX 24.2, Oracle Forms, WebLogic, and .NET to support the Circulation Tech team’s bespoke applications for Marketforce, Future’s magazine distribution business unit. The team of nine manages BAU delivery, enhancements, and development for the UK’s #1 magazine distributor.