You'll work with HTML, CSS, JavaScript/TypeScript, React or Vue, Git, Jira, Figma, automated testing, and AI tools like Claude Enterprise, in an agile model. As an AI-forward web developer embedded in SharkNinja's D2C business, you'll fix bugs from the ticket backlog and bridge Design and Engineering to buildable requirements. No team size is stated.

Use React Native (iOS/Android) with Ruby on Rails, Postgres, and JSON APIs; work with TypeScript, Expo, Jest, and Git. You will build the platform managing end-to-end installation of home energy solutions for BOXT and E.ON Next. As technical anchor, you mentor junior engineers and lead mobile architecture.

You will work with Node.js/TypeScript, Ruby/Rails, Nuxt, AWS CDK, serverless event-driven architecture, and the Salesforce platform. As part of the “In Life” squad, you will maintain back-end services, iterate on Digital Renewals customer journeys, develop quoting tools, and build batch jobs.

Develop software using Java, C#, Python, JavaScript, TypeScript, Go, RESTful APIs, microservices, SQL databases (PostgreSQL, MySQL, etc.), MongoDB, cloud platforms (AWS, Azure, GCP), Docker, Kubernetes, and CI/CD tools. This role builds and maintains enterprise applications and business-critical services for Elite Global Logistics, a logistics firm.

As a UI Software Engineer at NatWest, you will design and develop user interfaces using React, Java-based microservices with Spring Boot, and mobile apps for iOS/Android, while also working with REST APIs, Kafka, IBM MQ, and TDD/automated testing frameworks on a permanent feature team.

This Full Stack Engineering Lead role at Citi’s Finance Technology team involves hands-on development with Java, Spring Boot, Spring Cloud, React, TypeScript, Node.js, and microservices. The team is re-platforming applications to support the Finance business, focusing on building scalable solutions for regulatory and operational needs. Testing practices use Jest, Cypress, JUnit, and Mockito, with AWS or GCP experience as a plus.

React Native developer will work with JavaScript/TypeScript, APIs, and CI/CD to build and optimise mobile apps for iOS and Android. The role is with a FinTech undergoing a digital transformation programme, modernising core mobile products and improving user journeys.

Senior Software Engineer for pricing and availability systems on a global travel and e-commerce platform, using TypeScript, Node.js, C#/.NET or Python, and SQL. Work involves building pricing, quote-caching and availability services, resilient APIs, and improving performance and observability with tools like Datadog and Terraform.

Senior Kotlin backend role with full-stack exposure to Angular/React, Spring AI, reactive streams, and event-driven tools like Kafka or RabbitMQ. You'll build a data integration platform for banks, an open-source schema language, and a greenfield AI agent for autonomous orchestration.

Work with Python, AWS, and Kubernetes to build and maintain custom integrations, API fixes, and SDKs for a voice AI startup. You will support the Forward Deployed Engineering team, managing one-off integrations, platform fixes, and custom builds for enterprise clients deploying large-scale voice infrastructure.

Build features across a Svelte/TypeScript front end and Python back end using FastAPI, Django, PostgreSQL, and AWS. Tab is a YC-backed London travel fintech processing thousands of real-time payments per hour for over 100,000 global tourism businesses in 100+ currencies.

Use Python (FastAPI/Django) and Svelte with TypeScript to build and scale a payments platform processing 100 currencies and a discovery engine listing 100,000+ tourism businesses. Work on AWS cloud infrastructure and real-time transaction processing as part of a profitable, lean team of nine.

You'll build and scale Astro components, Sanity schemas, design tokens, and TypeScript for synthesia.io's marketing site—handling SSR, edge runtimes, SEO, and localization across nine locales. You co-own the component library and content model that marketers and AI agents use to compose accessible, high-performance pages.

You'll work with JavaScript, TypeScript, React, AG Grid, Redux/Zustand, WebSockets, and RESTful APIs to build high-performance trading applications and real-time financial data visualisations for a quantitative trading firm's traders, quants, and researchers.

Develop software solutions using Java, Spring, and Spring Boot, building microservices and REST APIs in a cloud or hybrid environment. Work with databases like MS SQL Server or Oracle, and tools such as Databricks, Terraform, and AWS services including SQS and SNS. The role is within a team creating enterprise-scale applications, leveraging AI-assisted development tools to improve code quality and delivery speed.

Harvey Nash★3.8 (49)· London

You will build enterprise-scale applications using Java, Spring Boot, microservices, and front-end technologies (likely React or Angular), with exposure to AI tools and modern DevOps practices. You will join a high-performing engineering team at Harvey Nash, developing large-scale software solutions in a hybrid London-based setting.

Senior Java Full Stack Developer building large-scale enterprise applications for a global financial services firm. You will work with Java and embrace AI-powered development on modern software engineering projects.

A Java Full Stack Developer role building enterprise software and embracing AI-powered development. You will work on large-scale enterprise applications within a global financial services organisation, using Java as the core technology.

You will work with Angular and .NET to build and maintain front-office web applications, migrating legacy systems onto modern frameworks as part of a Markets IT team at a global investment bank.

Senior full-stack role designing and scaling cloud-native applications for a global investment bank’s risk management space. Technologies include Java, Kotlin, React, and AWS. Work involves end-to-end development alongside cross-functional engineering teams.

You will work with Astro, Sanity, GROQ, Portable Text, TypeScript, HTML, CSS, Tailwind CSS v4, Figma, SSR, serverless/edge runtimes, SQL, and CI. You will co-own the component library, content model, and rendering stack for synthesia.io, the marketing website of the world’s leading AI video platform.

Work with Java 17 & 21, microservices, event-driven architectures, Kafka, IBM MQ, AWS, Docker, Oracle SQL/PLSQL, Git, Jenkins, Jira, and RESTful APIs, with exposure to Golang or AI. You'll join a FinTech engineering team building scalable backend services and distributed applications in an agile environment.

Java 11+, Spring Boot, microservices, cloud platforms (Azure, AWS, GCP), Terraform, CI/CD, TDD, AI tools. Build post-trade technology solutions, APIs, client portals, and customise trading systems for capital markets. Mentor developers and contribute to architectural decisions.

Lead, coach, and mentor a team of software engineers using modern tech stacks including Java and JavaScript frameworks. You will drive engineering excellence in architecture, distributed systems, and testing while building scalable products for a healthcare provider undergoing a digital transformation. This is an engineering management role where you define team strategy and technical roadmaps.

Python and FastAPI are used to design and maintain scalable APIs, with SQL databases and AI coding tools like Claude Code or Cursor. The role is at a VC-backed PropTech company transforming a traditional industry through acquisition, automation, and AI-powered software engineering. No team size is specified.