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Europe

  • Building scalable systems in an innovative environment.
  • Shaping the value we deliver to our customers.
  • Making architectural decisions that will hold up as we grow.

APIs SaaS AI Backend Data Modeling

20 jobs similar to Backend Software Engineer

Jobs ranked by similarity.

US

  • Design and evolve the backend architecture that powers our AI-driven acquisition systems.
  • Own cloud architecture in GCP/AWS/Digital Ocean (multi-environment, production-grade systems).
  • Collaborate with Data and Product teams to productionize intelligent workflows.

Home Solutions is building an AI-powered customer acquisition platform that combines voice agents, intelligent routing, scheduling systems, and partner integrations into a unified operating system for growth. The company targets the rapidly digitizing home services vertical and matches homeowners with the right service provider.

Canada 3w PTO

  • Lead the architecture and evolution of Cresta’s AI Agent integration framework across CCaaS platforms.
  • Design scalable, extensible backend systems that manage real-time conversation state, session lifecycle, and context propagation.
  • Establish architectural patterns for AI-to-human handoff that ensure durability, reliability, and seamless customer experience.

Cresta aims to transform customer conversations into a competitive edge. They achieve this by leveraging AI and human intelligence to enhance contact centers, automate processes, and empower team members.

Canada 4w PTO

  • Improve the scalability and reliability of our core data systems.
  • Define and evolve how we model, store, and query resource data across Vanta.
  • Collaborate with product, design, and other engineering teams to understand user needs.

Vanta helps businesses earn and prove trust by providing continuous security monitoring and verification. They empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, with many having succeeded without prior extensive security experience.

Americas Canada Ireland Netherlands UK

  • Lead the backend architecture for GitLab Duo Chat across the GitLab DevSecOps platform.
  • Integrate new generative AI models and providers into GitLab Duo Chat to expand capabilities and improve response quality.
  • Improve debugging, observability, and test coverage for AI-powered chat workflows to increase reliability at scale.

GitLab is the intelligent orchestration platform for DevSecOps, enabling organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. With over 50 million registered users and more than 50% of the Fortune 100 trusting GitLab, our high-performance culture is driven by our values and continuous knowledge exchange, enabling team members to reach their full potential while collaborating with industry leaders to solve complex problems.

$125,000–$175,000/yr
Canada

  • With support, break down projects into tasks, deliver in phases, and collaborate for timely delivery.
  • Support peers and stakeholders by collaborating with product management, design & analytics.
  • Support operations and availability by creating/monitoring metrics and supporting on-call efforts.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The company is remote-first with employees working almost anywhere within the country of employment and focuses on providing a simple and transparent pay structure.

$130,000–$190,000/yr
US

  • Build and enhance backend services that power NodeZero.
  • Implement and evolve backend APIs in GraphQL and Python.
  • Collaborate closely with other teams.

Horizon3.ai is a cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. They are a fusion of former U.S. Special Operations cyber operators, startup engineers, and formerly frustrated cybersecurity practitioners.

Global

  • Design, build, and maintain backend services that power mission-critical platform functions within your team’s scope
  • Optimize data models and system performance to improve scalability, reliability, and maintainability
  • Work across APIs, databases, and deployment systems to deliver cohesive, production-ready solutions

Onebrief provides AI-powered collaboration and workflow software tailored for military staffs, enhancing speed, intelligence, and efficiency. Founded in 2019, Onebrief boasts a team of veterans and technologists, backed by $320m+ from investors, valuing the company at $2.15B.

Europe

  • Ship full-stack features end-to-end, owning the full lifecycle from conception to production with minimal oversight.
  • Build and maintain the infrastructure powering Fastino's services, keeping systems reliable and performant as we scale.
  • Work directly with AI researchers to bring new model capabilities into the product, moving fast without sacrificing quality.

Fastino is building the next generation of LLMs, developing specialized, efficient AI. The team, with alumni from Google Research, Apple, Stanford, and Cambridge, has raised $25M and is backed by leading investors including Microsoft and Github CEO Thomas Dohmke.

$205,000–$270,000/yr
US Unlimited PTO

  • Design, develop, and maintain scalable and robust backend architectures for Cresta’s AI Agent solutions and proprietary models.
  • Collaborate with cross-functional teams including frontend engineers, machine learning engineers to ensure seamless integration of AI Agents into Cresta’s customer solutions.
  • Lead initiatives to enhance system scalability and reliability in production environments, focusing on backend services that support AI functionalities.

Cresta aims to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. They are combining AI and human intelligence to help contact centers discover customer insights and empower every team member to work smarter and faster.

$180,000–$200,000/yr
US Unlimited PTO

  • Build and maintain backend services and APIs for Pulley's equity platform.
  • Own end-to-end delivery of features, from scoping to production rollout.
  • Drive performance and reliability improvements across backend systems.

Pulley's mission is to make it easier for anyone to start a company. They provide cap table management tools, helping companies understand and optimize their equity for the long term. Pulley is growing quickly with over 4,000 customers and is backed by top investors. They foster a high-performing team environment focused on innovation and organic growth.

Global Unlimited PTO

  • Shape and scale GitLab CI backend infrastructure to improve performance, reliability, and usability.
  • Design and implement AI-powered features for Agentic CI, including agents and LLM-backed tooling.
  • Own and drive measurable performance improvements across CI systems.

GitLab is the intelligent orchestration platform for DevSecOps. They enable organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. Their high-performance culture is driven by their values and continuous knowledge exchange, enabling their team members to reach their full potential while collaborating with industry leaders to solve complex problems.

Global

  • Collaborate with product management and stakeholders to deliver SaaS solutions.
  • Design, develop, and maintain backend services using Python and FastAPI for agentic workflows.
  • Contribute to developing multi-agent systems and integrate agents with third-party tools.

Granicus is dedicated to transforming the Govtech industry by uniting governments and constituents through technology. They offer cloud-based solutions for communications, website design, meeting management, and digital services, empowering stronger relationships between government and residents. The company has 5,500 federal, state, and local government agency customers.

Global

  • Architect and ship new backend capabilities that integrate AI-adjacent functionality into Kraken’s core systems.
  • Design distributed services that meet high standards for reliability, performance, and correctness.
  • Own end-to-end technical design, from protocol and service boundaries through production deployment.

Kraken is a mission-focused company rooted in crypto values. It aims to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. As a fully remote company, Kraken has Krakenites in 70+ countries who speak over 50 languages.

Europe

  • Design, build, and evolve database components within the structural data platform.
  • Troubleshoot complex production issues across multiple database technologies.
  • Partner with Product to translate requirements into scalable solutions.

Jobgether is a platform that uses AI-powered matching to ensure applications are reviewed quickly, objectively, and fairly against a role's core requirements. They identify the top-fitting candidates and share this shortlist directly with the hiring company.

US

  • You will define, build, and evolve foundational systems that enable autonomous agents to operate reliably in production.
  • You’ll explore new approaches, prototype quickly, and turn what works into durable platform foundations.
  • You’ll identify high-leverage architectural improvements, abstractions, and guardrails that expand what the platform can do while keeping it reliable, secure, observable, and maintainable under real-world conditions.

Kindo is an agent automation platform for DevOps and SecOps teams, helping organizations automate high-friction operational work using autonomous agents. They are a small, highly technical team with strong customer traction and real enterprise revenue, where engineers have direct ownership over critical systems.

Europe

  • Design and implement AI-powered features across the full stack.
  • Create robust, scalable APIs that connect ClickHouse's database capabilities with modern AI/ML inference systems.
  • Build responsive, intuitive user interfaces that make complex AI functionalities accessible.

ClickHouse is a fast-growing private cloud company, recognized on the 2025 Forbes Cloud 100 list. They lead the market in real-time analytics, data warehousing, observability, and AI workloads with over 3,000 customers and ARR that has grown over 250 percent year over year.

Global

  • Design and build robust backend services and microservices that power the DevX platform ecosystem.
  • Integrate Large Language Models (LLMs) and custom AI models to enable features like semantic code search, automated refactoring, and natural language infrastructure provisioning.
  • Act as a technical liaison and co-developer with our India-based engineering team, participating in daily stand-ups and code reviews to ensure architectural alignment.

They are developing the DevX platform, a next-generation engineering platform designed to accelerate time-to-market and improve code quality through intelligence. The company seems to be focused on developer tools and AI-driven solutions to enhance the software development lifecycle.

US Canada

  • Own and evolve our data infrastructure, including pipelines into our data warehouse
  • Manage and improve cloud infrastructure and DevOps workflows
  • Ensure platform reliability so product and design teams aren’t pulled into backend or operational firefighting

Meridio is a remote-first company on a mission to make health benefits for small businesses simple, affordable, and accessible. As they scale smart, they’re focused on building systems that reduce complexity instead of adding it.

Canada 3w PTO

  • Own model serving: Design, build, and maintain low-latency, highly-available serving stacks for in-house ML model serving and integrating with LLM serving partners.
  • Automate training pipelines: Orchestrate data prep, training, evaluation, and registry workflows on Kubernetes with solid MLOps practices.
  • Optimize at scale: Profile and tune throughput, memory, and cost; introduce caching, sharding, batching, and GPU/CPU autoscaling where it pays off.

Cresta aims to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center. Their platform combines AI and human intelligence to help contact centers discover customer insights and automate conversations.

India

  • Prototype apt technical solutions and find best fits for the context engine.
  • Architect and build the core Context Platform.
  • Design schemas and primitives for Decision Memory and enterprise context.

dbt Labs is the pioneer of analytics engineering, helping data teams transform raw data into reliable, actionable insights. They have grown into the leading analytics engineering platform and serve more than 5,400 dbt Platform customers.