You will work with Python, Java, Go, React/TypeScript, Apache Kafka, PostgreSQL, Git/GitHub, AWS, and CI/CD pipelines. As part of a client-facing delivery team at a digital engineering company, you will design and build technology-enabled platform solutions.

You will work with Python, FastAPI, TypeScript, React, and GCP to design and build services, data models, and APIs. Electric Twin builds a behavioral simulation platform that creates "digital twins" of populations to help organizations predict human behavior.

You'll build features using Svelte/TypeScript on the front end and Python (FastAPI/Django) on the back end, with AWS infrastructure. Tab is a profitable London travel fintech processing real-time payments in 100+ currencies for over 100,000 independent tourism businesses globally.

Work with Angular 19, FastAPI, Python, and Kubernetes. Join a 13-person team shipping high-impact features like product launches and partner integrations for Urban Jungle's insurtech platform serving 300,000+ customers.

You will work with TypeScript, JavaScript, gRPC, Redux, React Native, React, Next.js, and infrastructure like Google Cloud Platform, Kubernetes, and Docker. The role focuses on building new features and integrations for Emma’s mobile and web apps, which help users manage all their finances.

The role involves building and maintaining the company’s platforms,

You will build backend systems, APIs, and developer portals on the Backstage framework using TypeScript, Node.js, and modern web technologies. This is a high-impact development squad creating commercial offerings to improve developer experience for external clients and internal teams.

Work with Salesforce Lightning, Apex, SOQL, JavaScript, and the Force.com platform, alongside object-oriented programming (Java or C#). Use Git, Jira, IntelliJ, and CI/CD practices, with exposure to Salesforce REST APIs. No specific team or project details are provided.

Java Developer role at Matchtech using Java, Spring Boot, Spring MVC, REST APIs, microservices, SQL, MySQL/PostgreSQL/Oracle, and Git/Bitbucket. The listing focuses on backend or full-stack development requirements but doesn't specify a particular project or team scope.

You will work with JavaScript, Java, .Net, Python, Git, Mercurial, Perforce, Bamboo, Jenkins, TeamCity and Bitbucket. You will join Hackajob Ltd to collaboratively design and build proof-of-concept or production systems.

You'll work with TypeScript, React, Node.js, Python, and Google Cloud/AWS, architecting AI-native systems including LLM-powered workflows and agentic pipelines. Steven.com builds the operating system for the creator economy, powering proprietary AI infrastructure and digital products. This is the most senior individual contributor role, owning architecture for the company's highest-stakes systems.

Build next-generation software powered by agentic AI workflow engines, using TypeScript across frontend and backend. This hands-on technical leadership role focuses on shaping architecture and driving direction for a high-calibre engineering team, with bonus experience in LLM-powered applications.

Build and ship production software using Rust, TypeScript, React, AI/LLM tooling, and backend infrastructure. You’ll join a small engineering team at an AI startup building an AI-native financial modelling platform that reinvents how businesses make major decisions.

Mid-level backend engineer role working with TypeScript/JavaScript, gRPC, Vitess, MySQL, CockroachDB, BigQuery, Redis, Google Cloud Platform, Kubernetes, Docker, Terraform, and monitoring tools like Grafana and Prometheus. You'll build Emma's personal finance app, tackling scaling, data processing, and features like overdraft prediction and subscription clustering, working directly with the CTO.

As a founding engineer at this YC-backed AI start-up, you'll work with Python, TypeScript, Java, or Go to build products that solve real customer problems from day one, collaborating directly with founders and users.

You will work with TypeScript, JavaScript, React, React Native, Next.js, Redux, and gRPC to build and enhance Emma's mobile and web apps. Emma is a personal-finance management app that helps millions of people manage all their money.

You'll work with Python, Vue.js, TypeScript, and AWS, building production systems for AnyVan's logistics optimisation platform. The Allocations team focuses on the data, platforms, and tools that enable transport partners to book and be allocated against the right jobs.

Principal Full Stack Engineer at Verisk, a data/analytics/tech firm for insurers, building cloud-native solutions with TypeScript, JavaScript, Angular, Node.js, Azure/AWS, and microservices; also Swift/Vapor, C#/Java, NoSQL, Docker, and Kubernetes. The role leads architecture and engineering standards across multiple products and teams, mentoring engineers on large-scale distributed systems.

Develop, test, and maintain software using Python, Go, TypeScript, SQL, and relational databases; process live and historical sports datasets; support cloud infrastructure with AWS and Docker for an organisation in the sports and betting sector.

Work with Python, TypeScript, cloud infrastructure, event-driven systems, third-party integrations, Kubernetes, and asynchronous Python to build autonomous voice agents for trades and field-services businesses. As a staff-level product engineer, you will shape technical foundations, own customer problems end-to-end, and raise engineering standards within a growing 14-person team.

You'll work with TypeScript, React.js, Node.js, PostgreSQL, AWS, Terraform, Tailwind CSS, Framer Motion, and Radix UI. You'll build and ship new user-facing features, create AI-powered workflows using LLMs, and develop real-time collaboration features for an AI startup's product.

Develop, maintain, and scale the user portal using JavaScript, TypeScript, React, HTML5, CSS, and REST APIs. The team builds the primary customer interface for an AI security product. No team size is specified.

JPMorgan★3.9 (20k)· London

Java/Springboot, Kotlin, DynamoDB, Aurora/MySQL, AWS, Kubernetes, and Kafka drive the event-driven microservices architecture. The team builds and maintains integrations with digital asset providers and infrastructure (on/off ramp) for J.P. Morgan Personal Investing’s mobile and web apps.

Flock★4.0 (6)· London

You'll ship TypeScript on AWS serverless (Lambda, API Gateway, SQS, EventBridge, DynamoDB, S3, CloudWatch) using Terraform or CDK and AI coding agents. As Engineering Lead for the Acquisition team, you'll own delivery and technical direction for products that help fleets find and choose Flock's connected vehicle insurance.