Lead the EMEA Solutions Engineering team for Wise Platform, working with REST APIs (RESTful design, OpenAPI, OAuth2) and microservices architecture. The team helps top-tier banks and tech companies integrate Wise’s international finance products via their public API, providing post-sale technical consulting. You will build and mentor a high-performing technical delivery team, defining goals aligned with Wise Platform’s objectives.

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 Core Java, Aeron, FIX, SBE, Artio, Linux, and performance profiling tools. You will join a team developing a high-performance electronic trading platform with a focus on microsecond-level latency. The role requires 5+ years of Core Java experience and 2+ years in ultra-low-latency systems.

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.

Develop low-latency server-side Java components for a global eTrading and eRisk platform serving FX and electronic execution. You’ll work with enterprise messaging (multicast, low-latency), FIX protocol, kdb+, and apply CI, TDD/BDD. The team builds distributed systems for pricing, order execution, and algorithmic trading.

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.

You will work with Python, PowerShell, SQL, OMS/EMS platforms (FlexTrade, Triton, SpiderRock), Linux, Windows, cloud (AWS/Kubernetes), FIX, messaging systems, market data flows, and monitoring tools like Geneos/Zabbix. As part of a global hedge fund’s front-office technology team, you will directly support equity portfolio managers, traders, and analysts to ensure the reliability and performance of business-critical trading systems.

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.

Luxoft★4.5 (669)· London

Lead Python engineer designs, builds, and maintains risk engineering systems for a global commodity trading company, working on commodities risk and market data pipelines. Uses Python, AWS/GCP/Azure, CI/CD, containerization, and AI-assisted tooling. Collaborates with quants, traders, and risk managers in a high-velocity delivery environment.

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.

State Street★3.4 (3k)· London

Work with FIX, Web Services (SOAP), VBA/SQL, and AI technologies. The role sits within State Street's GlobalLink suite, which provides FX electronic trading platforms (FX Connect, Currenex) for execution, workflow automation, and post-trade processing. As an Integration Analyst (AVP), you implement FIX-based workflow solutions for buy and sell-side clients.

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.