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.

You will build scalable server-side logic using JavaScript, TypeScript, and Node.js in a microservices architecture on AWS with Kubernetes, Terraform, Kafka, and Snowflake. You will join the MMH team within the Martech domain, which orchestrates campaign delivery across email, push notifications, and personalised content for all Sainsbury’s Group brands. The team includes 7 engineers.

Develop backend services using Node.js, Python, Java, C#, PHP, and Ruby on Rails, with databases including MySQL,

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.

Work with C++, Python, ROS/ROS2, Linux/RTOS, and multi-core environments applying ISO 26262 and SOTIF. Execute hazard analyses, FMEA/FTA, and derive safety requirements for AeroVect’s autonomous ground-handling platform used by airlines. Collaborate cross-functionally to ensure safety integration and verification across supervised and unsupervised autonomy.

You will work with C++, Python, ROS/ROS2, Linux/RTOS, and static analysis tools to perform hazard and safety analyses. AeroVect is developing autonomous ground handling systems for airlines and ground service providers, covering perception, motion planning, localization, and vehicle control. This role executes safety lifecycle tasks under the Head of Safety for both supervised and unsupervised autonomy.

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.

NHS★3.6 (9.8k)· London

Work with SQL Server, Qlikview, Qlik Sense, SSIS, and SSRS for configuration, backup, performance tuning, and administration. You will develop and enhance a reporting environment that integrates data from clinical systems, supporting London North West University Healthcare Trust and Hillingdon Hospitals NHS Foundation Trust.

Work with SQL Server, QlikView, Qlik Sense, SSIS, and SSRS to administer and enhance a reporting environment. You will support two NHS trusts by integrating data from a wide range of clinical systems to improve service delivery.

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.

Build and support scalable enterprise integrations using Workato, APIs, webhooks, REST, SOAP, GraphQL, OAuth, JSON, XML, SQL, JavaScript, Python, and Workato formulas. Integrations span finance, HR, CRM, document management, and analytics platforms. No team size specified.

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.

Cognizant★3.8 (17k)· London

Work with ServiceNow modules (ITSM, ITOM, ITAM, HRSD, CSM, GRC, SecOps, App Engine), integrations (REST, SOAP, APIs, MID Servers), scripting (JavaScript, Glide, Flow Designer), CMDB, CSDM, and telecom OSS/BSS systems using TM Forum Open APIs. Architect ServiceNow solutions for telecommunications, defining platform roadmaps and leading cross-module implementations to align with OSS/BSS needs and enterprise governance.

You will work with MS SQL Server, SSRS, SSIS, HA clusters, and other relational databases, maintaining and developing database platforms that support critical clinical and non-clinical services at a leading children’s hospital. The role includes day-to-day line management and enforcement of SLAs.

Netbuilder★3.0 (1)· London

Full-stack developers use Java, Spring Boot, React, TypeScript, Oracle, MySQL, Git, Jenkins, Spinnaker, Docker, and Kubernetes to build, enhance, and support scalable web applications, APIs, and enterprise platforms for NETbuilder, a digital solutions provider.

Develop and customise enterprise applications using Elite 3E, VB.NET, SQL Server/T-SQL, XML, XSLT, and XPath. This role supports a leading law firm’s operational efficiency by designing scalable solutions and collaborating with stakeholders and technical teams.

TikTok★3.3 (342)· London

You will use Salesforce Commerce Cloud, Shopify, Netsuite, RESTful/SOAP APIs, Postman, and OMS platforms to guide e-Commerce integrations for TikTok Shop merchants. You will partner with Product, Account Management, and Engineering teams to optimize product platforms and scale merchant connections.

You will design and maintain automated UI, API, and service-level tests in TypeScript using Serenity/JS and Playwright, plus Python/pytest and C#/.NET. The role involves testing the ACE application and internal platform tooling for a decentralised AI platform optimising energy in data centres.

Lead Engineer using Vue (frontend), Django/Laravel (backend), AWS, Stripe/Salesforce/Netsuite integrations, SOAP, REST/OpenAPI, and project tools like JIRA, GitHub. Builds and maintains the user-facing commercial platform central to customer interaction. Manages and mentors junior developers, acting as project manager for releases.

Liberis★4.2 (5)· London

You'll work with Apex, Lightning Web Components, SOQL/SOSL, Flow, REST/SOAP APIs, GitHub, CI/CD, and Salesforce DX. You'll lead a pod of up to four developers and admins owning the Salesforce platform that drives merchant and partner acquisition, onboarding, and support across 15 markets for Liberis, an embedded finance platform for small business funding.

You will work with Selenium, Playwright, Java, Python, and API testing tools (REST/SOAP) to develop and maintain automated test suites within CI/CD pipelines, supporting modern cloud-native digital services built on microservices architectures. As a Test Engineer at TCS, a global IT services and consulting company, you'll embed quality early in the development lifecycle, collaborating with developers and DevOps engineers on Agile delivery teams while contributing guidance and mentoring to other testers.

You will work with Azure Cloud Services, Python, Databricks, ETLs, REST/SOAP APIs, SQL, and data warehouse solutions, using DevOps and CI/CD pipelines. You will lead integration design and delivery for the HS2 main works team at Skanska, a project development and construction group.

Python and SQL for data wrangling, ETL/ELT pipelines; cloud platforms (AWS, Azure, GCP); data modeling, MDM, API integrations. You'll design data infrastructure and pipelines across client engagements in a Data & AI consulting team.

Work with Microsoft Dynamics 365, Power Platform, C#, JavaScript, TypeScript, Power Apps, Power Automate, Dataverse, SQL, APIs, and Power BI. Design, build, customize, and deploy solutions across Dynamics 365 modules (Customer Engagement, Sales, Service, Field Service, Finance, Operations) and integrate with external systems.