Senior Backend Engineer jobs

We power marketing for 1,500+ live event brands across North America (festivals, venues, promoters, tours). We send 40M+ emails and SMS per month, handle billions of customer data points, and provide real-time integrations with Ticketmaster, Eventbrite, Shopi…

Post Up is building a platform for content production ("the Databricks for content production"). The orchestration engine coordinates pipelines end to end and converts post-production workflows into a persistent graph of assets and transformations that is det…

Brandfetch is the internet’s canonical source for logos and brand assets, providing a brand repo that auto-indexes public assets and propagates changes instantly and immutably through CDNs, plugins, and APIs. Responsibilities include building systems such as …

Early-stage startup building an AI platform that helps architecture and engineering teams reuse knowledge from past projects (documents, drawings, revisions) to reduce costly rework in planning and pre-construction. You’ll work on multi-tenant backend systems…

DuckDuckGo is hiring for multiple fully-remote roles (except where specific locations are noted) to improve trust online. The company is scaling its software engineering and other teams (now over 300 people) and continuously hiring for these roles, including …

Zenskar is an AI-native revenue automation platform built to handle real-world complexity. We raised $15M in Series A funding in April 2026. We’re hiring a Senior Backend Engineer to design and build core platform systems where correctness and reliability are…

Neon Health is a mission-driven company focused on making life-saving drugs more accessible and building a $200B+ company. It is profitable and growing fast, with enterprise healthcare contracts. The team includes exited founders and alumni from YC and MIT, p…

Solace Health is hiring TypeScript engineers across core groups as it plans to double its 90-person Engineering team. The company provides free healthcare advocacy to Medicare patients and expanded access to everyone in the US. It offers competitive compensat…

NetBird builds open source secure remote access for teams and infrastructure. Mission is to make secure connectivity simple and accessible for everyone. Actively hiring for multiple roles including backend/software engineering, engineering management, growth,…

Tango is a live-streaming platform with 400M+ registered users, operating at high scale in video streaming, creator economy, and social features. An Engineering Manager is building two product teams focused on activation and retention and is hiring senior eng…

Join a disciplined, senior team responsible for the platform behind Eequ, where engineers have real ownership and operate with high autonomy. We are the market-leading supplier to local authorities in the UK for council-funded activity programmes and we also …

Solace Health is hiring TypeScript engineers across core groups as the company scales its 90-person engineering team. The company provides healthcare advocacy and recently reached unicorn status after Series C funding. Open remote (US) full-time roles include…

We’re a data intelligence platform for global enterprises, well funded and growing fast. Seeking a Senior Backend Engineer to design, build and maintain core systems, including data ingestion and processing engines at enterprise scale with ultra-high reliabil…

We are building the Databricks for content production, starting with post. Our orchestration engine coordinates pipelines end to end and turns post-production workflows into a persistent graph of assets and transformations, which are deterministic, verifiable…

Checkly helps engineers build reliable products by unifying testing, monitoring and observability. OpenTelemetry, Playwright, and Monitoring as Code are core to the platform. In 2024 Checkly raised $20M in Series B funding from Balderton, CRV, and Accel. Hiri…

We are looking for two experienced back-end engineers: (1) one to lead work with our client’s e-commerce business; (2) a second to be part of a small team working on a greenfield project involving ML and NLP driven workflow automation tools. The ideal candida…

We9re building the AI-powered platform for enterprise data. Automatically analyse data quality, automatically fix and enhance data, and prevent bad data. Our platform automatically detects issues in master and transactional data, generates improvement sugges…

We're building AI-powered recruiting and market intelligence for real estate — an industry that moves $100B+ in annual commissions and still runs on spreadsheets and cold calls. Our backend ingests data from dozens of sources, processes millions of records da…

HumanSignal (https://humansignal.com) is a remote team focused on open source and AI. They created Label Studio, an open source data labeling and AI evaluation platform with 350K+ users. They are hiring multiple full-time engineering roles to support Label St…

TTI is a healthtech company building an electronic patient-reported outcomes (ePRO) platform focused on oncology. Hiring two backend engineers (Junior and Senior) to help scale the core platform; roles require experience with PHP, Laravel, and MySQL. Engineer…

We’re mission-driven capitalists: making life-saving drugs more accessible, and building a $200B+ company on the scale of Palantir or ServiceNow. Traction: profitable and growing fast, landing 7+ figure contracts to enterprise healthcare customers. Team: buil…