Lovable★4.0 (43)· London

Uses Go, Rust, TypeScript; AWS, Azure, Google Cloud, Cloudflare; Kubernetes, Terraform, Temporal, OTEL, CI/CD; PostgreSQL, ClickHouse, Firestore, Spanner, BigQuery. Builds the platform for Lovable Enterprise enabling secure, cloud-agnostic deployment, defining architecture for sandboxing, networking, encryption, identity, and mentoring engineers.

Koinly★3.0 (1)· London

You will work with TypeScript on Bun, RabbitMQ, Redis, PostgreSQL, Vitest, Sentry, and Rust. The team owns the distributed data-processing backend that ingests, normalizes, and reconciles on-chain and exchange data for Koinly’s crypto tax calculation product.

Lovable★4.0 (43)· London

Build enterprise deployments using Go, Rust, and TypeScript on AWS, Azure, and Google Cloud, with Kubernetes, Terraform, and Temporal. You will build the platform that allows large customers to run Lovable securely and at scale across every major cloud provider.

You’ll design and build high-performance software using Rust, C/C++, React, REST APIs, SQL, Redis, and NGINX. The team is rebuilding legacy institutional investment management systems into a cloud-native platform covering portfolio management, trading, risk analytics, and AI. This is an early-stage, small collaborative team.

You will write performance-critical software in Rust, working across backend services, APIs, and infrastructure—with frontend in React/Next.js/TypeScript when needed—for a global financial services firm. The stack includes Tokio, Azure, Kubernetes, Python, SQL, and CI/CD tooling. This is an early-career engineering role with end-to-end ownership.

You will work in a Rust stack with Python at API boundaries, using Kafka, PostgreSQL/TimescaleDB/PostGIS, gRPC/protobuf, and Kubernetes. The team builds real-time intelligence infrastructure that ingests high-volume data streams, processes them in real time, and surfaces actionable insights. This is a small, high-impact engineering team inside a scaling company.

Build and launch AI-powered products using TypeScript, React, Node.js, Rust, Azure, Docker, and LLM APIs (OpenAI, Anthropic). As the founding product engineer, you’ll own the full stack—from frontend and backend to AI workflows—and work directly with founders to shape product direction from 0 to 1.

TypeScript, Python, Rust, or C++ for a full-stack desktop application, backend for live data ingestion, and the algorithmic layer bridging research and product. This role is at a stealth-mode AI startup building a proactive AI assistant that maintains a persistent model of user work history. As a Founding Senior Engineer, you will work directly with AI researchers in a small team.

Own full-cycle recruiting for Dex’s internal team, using Dex’s own product to source and close senior engineers and hiring managers. You will scope roles, source directly, screen, and close candidates while building hiring processes and employer brand. The company connects ambitious software engineers with companies, and you’ll be part of a team with 70+ years of hiring experience.

Durlston Partners· London

You'll work with C++, Java, Rust, Python, TypeScript/JavaScript, Angular, or React. The deep tech company builds software for humanitarian, surveillance, and defence applications. Lead engineers own technical decisions for a core enterprise product and mentor small teams of 2–3.

Lead a team of engineers building open-source workflow orchestration for n8n. This first-line manager role focuses on either the Governance & Observability team (audit logs, admin controls) or the Licence & Billing team (subscriptions, payments, usage tracking). You will work with modern SaaS technologies in a high-growth environment, directly managing engineers.

Wand is hiring a Senior C++ Reverse Engineer to work with C++, the Windows platform, Unreal and Unity game engines, and disassembly. You will own the game engine SDKs, hooking, and cross-DLL machinery that let the company read game state in real time to power mods, maps, and tools for players across thousands of PC games. This is a senior individual contributor role on the native team.

Build with Java/Kotlin using event-driven architectures, Spring Boot, and Kafka on containerised AWS infrastructure (EKS, SQL/NoSQL databases). You will architect and deploy software services for Runa’s digital payments API, enabling instant global payouts to 5 billion+ consumers.

You will work with Python, TypeScript, and JavaScript on AWS Lambda, Step Functions, Aurora (Postgres), DynamoDB, MemoryDB (Redis), and Timestream. Runa builds a digital payment rail enabling instant, cost-free global payouts to cards, wallets, bank accounts, and gift cards via its API. You will also mentor more junior engineers.

You will build with Java and Kotlin using event-driven architectures on AWS (EKS, SQL/NoSQL databases) and the Spring ecosystem, with tools like Kafka or Terraform. You'll architect, implement, and deploy end-to-end software services that power Runa's global digital payments infrastructure, enabling instant, scalable money movement. You will also guide and mentor more junior engineers on the team.

Engineering Manager for n8n, an open workflow orchestration platform. You will lead an engineering team focused on either Governance & Observability (audit logs, monitoring, admin controls) or Licence & Billing (subscriptions, payments, metering). This is a first-line engineering leadership role.

You'll work with Python, TypeScript, and JavaScript on AWS serverless infrastructure—Lambda, Step Functions, Aurora (Postgres), DynamoDB, MemoryDB (Redis), and Timestream. Runa is building a digital payment rail that enables instant, cost-free global payouts to cards, wallets, bank accounts, and gift cards for businesses. You'll architect and deliver large-scale services and mentor junior engineers.

You will build with Java and Kotlin using Spring Boot, REST, and Data on an event-driven microservice architecture running in containers on AWS EKS, with SQL/NoSQL databases and tooling like Kafka, Terraform, and Helm. The team builds Runa’s digital payment rail that lets businesses send money instantly to cards, wallets, and bank accounts globally.

You will work with Python, TypeScript, JavaScript, AWS Lambda, Step Functions, Aurora (Postgres), DynamoDB, MemoryDB (Redis), and Timestream. The team builds serverless payment infrastructure enabling businesses to send instant digital payouts globally. You will architect, implement, and mentor junior engineers while owning services end to end.

You will lead a team using TypeScript, Node.js, and React on AWS serverless, microservices, and event-driven architectures. The Affinidi Elements team builds a decentralized digital identity platform that gives users control over their data. You will guide the engineering team in delivering high-quality, secure features.

Senior Software Engineer working with **Rust, Golang, or TypeScript** to design, build, and operate scalable systems. You will create and evolve services for the **USA market’s customer digital experience**, including payments, orders, loyalty, and web/mobile applications.

TypeScript, Python, Rust, React, C++, Docker, and Kubernetes. You will build scalable software across Emotech’s AI products and customer platforms, productionising AI prototypes and models from the company’s speech and multimodal research teams.

Work with Java, Go, Rust, or Python to design, build, and maintain backend services, APIs, and distributed systems for a regulated blockchain-based wholesale payment and settlement platform. Use AI-assisted development tools and build MCP servers, AI agents, and skills.

You will work with Python, SQL, PostgreSQL, Supabase, GCP, React/Next.js, Node.js/TypeScript, Claude Code, and AI tooling. You will build product surfaces (dashboards, copilot workflows) and harden the data foundation (pipelines, schema, data quality) for Mothership, Wave’s internal data lake and copilot that powers the live, revenue-generating Wave Mind product.

Durlston Partners· London

Backend roles use C++, Java, Rust, or Python; Frontend roles use React and WebGL. Full Stack engineers work across both. The company builds the foundational software and AI for the autonomous age, the operating layer that lets organisations task, control, and act on data from fleets of autonomous assets.