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London is seeking a Senior Software Engineer to own backend services and ship production-grade software for an AI-enabled platform.

We are seeking a Senior Product Engineer (Backend) to own end-to-end design, architecture, and implementation of our Kota Embed APIs and developer-focused documentation.

Lead Engineer, Back End, Agentic intelligence. Job Opportunity at Choreograph: Back-End Engineer. Choreograph is seeking an experienced and forward-thinking Back-End Engineer to lead the development of our ecosystem of (primarily).

Software Programmer (Manufacturing Systems / MES).About the role We are seeking a motivated and hands‑on Software Developer to support the design, development, enhancement, and maintenance of business‑critical manufacturing systems.This role will be responsible for del….Job Overview We are see

As a Senior Software Engineer you will collaborate with the engineering team and product managers to design, engineer and operate our highly scalable machine learning platform. As part of the Communications Mining team, you'll be responsible for building and maintaining our backend and ML serving se

Close collaboration with software engineers (backend and mobile), product managers, data scientists, and designers to deliver rapid value to end-users. In this role, you’ll be working alongside a team of talented engineers and partner with product, design, and data science to prioritize, estimate,

The London Metal Exchange in London is seeking a Senior Engineer to join the new technology team supporting the SPM program, delivering production-grade services and APIs. You will design, build, and optimize backend services, collaborate with product, operations and vendors, and champion automated

Lead Backend Engineer to own the platform, architect scalable cloud systems, and lead a migration from Firebase to a cloud-native Google Cloud Platform solution in London. You will collaborate with robotics, computer vision and AI teams to productionize research into robust services while shaping en

Harmonic Security, Inc is seeking a Backend Engineer to join Customer Engineering, shaping the initial function and delivering fast, reliable support to customers.

A leading technology firm in Greater London is seeking a Security & Backend Engineer to enhance its core data solutions. The ideal candidate will own backend services and ensure data and system security, balancing feature delivery with long-term hardening. You should have over 5 years of experience

A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design.

This hands-on leadership role combines architecture, backend development, and delivery leadership while guiding a small team of engineers. RevTech is hiring Lead Software Engineers to build scalable, high-impact FinTech products in a regulated environment. You will collaborate with Product and Engin

A premier financial infrastructure platform is seeking a Software Engineer to join their Money Movement team in London. The role involves developing APIs and services for managing money, with responsibilities including debugging production issues and mentoring junior engineers.

CrowdStrike is seeking a Senior Software Engineer, Cloud to join the Threat Detection and Incident Response team. You will own system design, mentor engineers, collaborate across product groups, and contribute to AI-enabled capabilities such as LLM integration and agentic workflows.

Mid/Senior Software Engineer (Payments) – Apply: https://lnkd. Back-end Engineer (Crypto and Fiat Payments) – Apply: https://lnkd.

Cisco ThousandEyes is seeking a Backend Technical Leader for the Connected Devices Platform to drive scale, resilience and new architectures. You will own high-volume streaming and backend services, shaping API design and data models to deliver reliable experiences.

Gigs is seeking a Senior Software Engineer on Revenue to own the partner billing system and the data flows that turn usage into invoices.

Familiarity with distributed systems and hands‑on experience in one or more areas such as storage, computing, task scheduling, caching, messaging, observability, or reliability engineering;. Curiosity and enthusiasm for technology, an interest in applying AI to software engineering, strong learnin

The Trade Desk is a global technology company in London seeking a Lead Staff Software Engineer to own backend systems for a high-traffic data platform. You will design, build, and operate core services, mentor engineers, and collaborate across teams to drive technical direction in a fast-paced envir

Zilch is seeking a Senior Java Software Engineer in London to help build from the ground up, focusing on scalable backend systems and high-quality code.

We are seeking a Senior Back-End Engineer who thrives on solving hard technical problems, building robust systems, and engaging with customers to bring ambitious ideas to production quickly. You will work closely with the Founding Engineer (ex Meta) and CTO (ex OpenAI) in a high-ownership, collabora

The role emphasizes leadership, modern backend skills with Go and TypeScript/Node. Industrial and Financial Systems is seeking a Lead/Senior Lead Software Engineer to drive the design, development, and implementation of cloud-based enterprise solutions in an AI-enabled environment.

This hands-on IC role focuses on scalable backend systems and operating at scale, reporting directly to the Head of Engineering and CTO/Co-Founder. Oliver Bernard is seeking a Principal Engineer for a London-based, YC-backed AI startup.

A forward-thinking AI startup in Greater London is seeking a Senior Product Engineer to lead projects and architect high-performance backend systems using Node.

Attio is seeking a Senior Product Engineer who will tackle complex technical challenges and push the boundaries of product development.

Algolia is looking for a Senior Software Engineer for their Dashboard Platform team, focusing on infrastructure automation.

Life360 seeks a Staff Software Engineer AI-Native to design high-quality services for international members, focusing on AI integration. This role involves building backend solutions with modern technologies such as Java and AWS, ensuring the platform meets the needs of families worldwide.

ANNA Money is seeking a Senior AI‑Native Software Engineer to help accelerate our AI‑first financial platform for small businesses. You’ll design and build scalable backend services, integrate AI-assisted tooling and contribute to distributed systems that power banking, payments and invoicing.

Techfellow Limited is looking for a backend-focused engineer to support its growing digital platform based in London. You will develop and enhance backend services using TypeScript and collaborate with different teams to ensure systems perform efficiently under load. With a keen emphasis on ownershi

Jobgether is seeking a Senior Java Developer to join a remote-first engineering team in the United Kingdom. You will design and build scalable backend systems, processing large data volumes while ensuring reliability and performance.

Location: Chattanooga, TN ( onsite ).Company: the company is the modern marketplace & intelligence platform for trading cards.Note: The provided text contains multiple postings and generic placeholders.Specific responsibilities and qualifications are not clearly defined in the excerpt and would requ

We're looking for a Backend Engineer to build a fraud engine that will help us ship new products and features quickly while keeping risk and cost low. Hands-on experience with distributed systems, including microservices architecture and backend services supporting large-scale traffic. Proficiency i

As a Senior Software Engineer I, you will own complex end-to-end engineering work, shaping architecture and product strategy while guiding teams toward robust production systems. You will mentor engineers, lead technical interviews, and collaborate with product managers to align technical solutions

Dex is seeking a backend engineer to own the marketplace backend from discovery to checkout, delivering features that move GMV and user value. This on-site role requires 3–6 years of production backend experience, a strong system-design base, and a mindset focused on real-world impact and growth.

ResponsibilitiesAs a Senior Backend Engineer within this team, you can expect to:Work closely with Engineering Managers, Product Managers, Platform Engineers, Security Engineers, Data Engineers, and other backend teams to understand problems and design effective solutions. You’ll be building and i

London is seeking a Senior Python Backend Engineer to join its platform team on a six-month contract. You will work in a small engineering team, own services with commercial impact, and tackle challenges around latency, reliability and changing page structures while integrating with trading systems.

The role involves designing and delivering scalable full-stack systems, with backend emphasis on Go and frontend work in Vue. Hybrid work model requires two days per week in Central London, collaborating with product, design, and engineering teams across international markets. Pertemps Bond is seeki

Oxford Knight is seeking a Senior Software Engineer to contribute to trading and settlement platforms in a crypto-fintech context. You will design and build complex backend systems, including order routing, liquidity integration, and risk tooling.

Lead Software Engineer - Backend Engineering - Java/Kotlin. Job Category Software Engineering. As a Lead Software Engineer at JPMorgan Chase within the Accelerator business, you are the heart of this venture, focused on getting smart ideas into the hands of our customers.

As a Security & Backend Engineer, you will own core pieces of our Scala + Python backend while raising the bar on how we protect data, systems, and customers. Own backend and security work on mission‑critical systems. Work directly with founders and the Head of Engineering.

You'll drive features end‑to‑end, from discovery through to deployment and monitoring, scoping the solution, weighing the trade‑offs, and contributing to the squad's engineering quality, all in close partnership with Product, UX, Operations, and fellow engineers. In the Driver Squad, you'll ta

Spendesk is seeking a Backend Software Engineer (IC3) to reinforce our PDE organization and build the foundations for AI-powered experiences. A collaborative, autonomous engineer who thrives in fast-paced fintech environments will fit well.

Rive is looking for a Senior Software Engineer to join our Backend Team in London. In this role, you will develop core backend services that support the Rive editor and ensure a seamless user experience.

Dwelly is seeking a Senior Backend Engineer to build and own Dwelly’s internal Data Migration Platform, connecting to legacy CRMs and orchestrating extraction, validation and safe import into the core platform.

As one of the fastest-growing tech companies, we bring together early‑stage engineers, product builders, and business athletes from companies like Stripe, Airbnb, and Shopify. Uphold our high engineering standards, improving tooling and processes where necessary. You have experience designing APIs

As a Lead Software Engineer, you will own large backend features across the stack and collaborate with a team of lead engineers to deliver high-quality software.

Lockwood Publishing Ltd is seeking a Senior Software Engineer for our backend team working remotely (EU/UK based). You will help scale Avakin Life’s backend systems, delivering reliable and secure services for millions of players.

Gigs in Greater London seeks a talented engineer to design and build backend services.