16,810 Startups jobs
Open tech roles at startups.
Senior Data Engineer
Senior Data Engineer at a fast-growing UK consumer tech company, joining a team of 5 to own data pipelines end to end using Python, SQL, Snowflake, dbt, Dagster and AWS, while improving staging/testing, monitoring, data quality and CDC/low-latency work. Fully remote within the UK, £85k–£100k.
Senior Full Stack Engineer - React/TS/Node - £80-100K
Senior full-stack engineer at an AI-native fintech startup building a portfolio-management platform for private investors. Day to day: design APIs and data models and build high-performing UIs with React, TypeScript, Node.js, Next.js, GraphQL and AWS, hybrid with 3 days/week in the London office.
Senior Full Stack Engineer — Fintech, Hybrid London
Senior Full Stack Engineer (hybrid, London) for an AI-native fintech platform, owning APIs, data models, and UI while working with product and design on investing tools. Core stack includes React, TypeScript, Next.js, GraphQL, and AWS.
Senior Full Stack Engineer: PHP/Symfony & Angular
Senior Full Stack Engineer at Taskr, a fast-growing scale-up building a global, API-first data platform. The role spans PHP/Symfony on the backend and Angular on the frontend: owning complex features, contributing to architecture, and mentoring teammates in a cross-functional squad.
Backend Engineer: AI-Driven Platform (Python/AWS)
Backend engineer at an early-stage London tech business whose core product is AI-driven. You own backend development across APIs, data services, and integrations, building AI-powered features with Python, FastAPI, some Java/Spring, and AWS under modern CI/CD practices.
Backend Engineer
Backend engineer at QFEX, a startup building a 24/7 perpetual futures exchange for traditional assets (US equities, commodities, FX with up to 100x leverage). You'll design fault-tolerant, low-latency exchange/HFT services in high-performance languages like Rust/C/C++, with strong testing, CI/CD, and architectural direction.
Backend Engineer
Backend engineer at an early-stage, AI-centric technology company in London, building and scaling backend services, APIs, workflow engines, and integrations between Java/Spring components and Python-based AI services on AWS. Core stack: Python (FastAPI), PostgreSQL, and AWS.
Software Engineer
Software Engineer at a clean-energy start-up in Bristol, building and enhancing customer-facing web applications with ownership of the UI, responsive/mobile-first design, and integration with services and APIs. Hybrid role (onsite Mon & Thu), backend exposure (Python, Postgres, REST) a plus; salary up to £50,000.
Account Executive
About Forma.ai: is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and…
Senior Sales Engineer
Sales Engineer at Forma.ai designs and demonstrates incentive compensation solutions for Fortune 500 prospects, using deep platform knowledge and industry expertise to tailor demos and uncover client needs.
Espresso Clinical - Senior Full Stack Developer
Senior Full Stack Developer Lead joining Espresso Clinical, an early-stage startup, as one of the first employees to design, build, and ship the core product from scratch while making key architectural decisions alongside the founders. Core stack includes TypeScript, Python, cloud/AWS, and AI coding agents/agentic workflows.
Reindeer- Software Engineer (Infrastructure)
Build and scale the core infrastructure powering an agentic AI platform for enterprise workflow automation, focusing on cloud platforms, container orchestration, data pipelines, and secure API integrations using Python.
Sr. Software Engineer - (Ruby on Rails)
Senior full-stack engineer (Ruby on Rails focus) joining Vconstruct's Noida team supporting a Silicon Valley construction-tech product startup. Day to day: designing, building, testing, and maintaining production-grade SaaS in an AI-first environment using AI coding agents, MCP servers, and agentic workflows.
Senior DevOps Engineer: Cloud Platform Lead & Automation
0G is hiring its first dedicated DevOps engineer to own its cloud platform end to end — infrastructure, deployments, networking, security hygiene and cost — across Google Cloud, Alibaba Cloud and AWS with Kubernetes clusters and edge services. Day to day they unify operations, design scalable node pools, automate CI/CD with Jenkins or GitHub Actions, and implement cost controls.
Principal/Senior Fullstack Software Engineer
Principal/Senior fullstack engineer at Laine, building an AI-assisted legal drafting platform. End-to-end ownership of features using a TypeScript stack (React/Next.js frontend, Node.js backend), LLM/AI service integrations, and GCP. Hybrid role based in the Dubai office.
Data Engineer (Semi-Senior) – Cloud Data Orchestrator
Data Engineer (semi-senior) at AVIVA, a 'phygital' bank being built in Mexico: designs and maintains complex data pipelines supporting real-time and batch decision-making, working mainly with Python, GCP and data storage tools, within a team focused on observability, security and operational efficiency.