Backend Developer Jobs in 2026
Browse backend developer jobs in Node.js, Python, Go, Java, Rust and more. Competitive salaries, remote options, and top companies hiring now.
Senior Full-Stack Developer (.NET)
We're working to onboard a Senior Full-Stack Developer bringing extensive, real-world .NET experience to join our growing organization. This position is ideal for those who thrive interacting with every layer of the technology stack and who genuinely enjoy delivering software that's both solidly con…
Lead AI Engineer with Node.js, TypeScript
We are looking for a hands-on Lead AI Engineer with Node.js and TypeScript expertise to help develop an AI-powered Risk Map solution. Working closely with the Solution Architect and an engineering team, you will create an AI-enabled risk assessment system, helping decrease manual effort required from ~…
Lead Data & AI Engineer
We’re looking for a Lead Data & AI Engineerto join our team in the UK in a hybrid working mode. In this role, you will design and deliver advanced data solutions and AI-assisted capabilities on modern cloud platforms. You’ll build scalable data pipelines, optimize data quality and governance and enab…
Lead Python Full-Stack Engineer (AI Integration)
We’re looking for a Lead Python Full-Stack Engineer (AI Integration) to join our team in the United Kingdom in a hybrid working mode. In this role, you will lead the design and delivery of enterprise-grade solutions, combining backend development, modern front-end capabilities and AI/ML integrations in…
Lead Data Engineer
We are looking for a Lead Data Engineer to build and evolve a next-generation analytics platform with a strong focus on Databricks and scalable data products. You will combine hands-on delivery with technical leadership across ingestion, modeling, governance, and AI-enabled engineering practices.
Respo…
Senior Data Engineer
We are looking for a Senior Data Engineer to build and evolve a next-generation analytics platform with a strong focus on Databricks-based data products. You will combine hands-on delivery, technical leadership, and architecture to enable trusted, scalable, and AI-enabled data capabilities.
Responsibil…
Lead Platform Engineer
We are seeking a Lead Platform Engineerto design, build, and maintain internal platforms that empower development teams to deliver software efficiently and at scale. In this role, you will lead the integration of AI-enabled platform capabilities—including generative AI (GenAI), intelligent agents, an…
Lead Platform Engineer
We are seeking a Lead Platform Engineerto design, build, and maintain internal platforms that empower development teams to deliver software efficiently and at scale. In this role, you will lead the integration of AI-enabled platform capabilities—including generative AI (GenAI), intelligent agents, an…
Contract Staff Software Engineer - Performance Graphics (C++,Rust, WebGL)
The role
You will take on the ongoing maintenance and engineering work in Firefox’s Graphics area (rendering, compositing, images, canvas, WebGL). You help keep the graphics code healthy.
Responsibilities
- Own day-to-day Graphics maintenance: bug fixes, regressions, test upkeep, incoming issues.
- Diagnose…
Senior Software Engineer - Query Engine & Database Systems
Celonis is the trusted platform to industrialize Enterprise AI. At our core is the Celonis Context Model — which combines process data, business knowledge, and intelligence into a living digital twin of the enterprise that AI can actually understand, turning AI's operational blind spots into operati…