Source Job

Europe

  • Collaborate with Product, Design, Frontend, Infrastructure, and Mobile engineers.
  • Be responsible for features from discovery to observability.
  • Design, build, and maintain efficient, scalable, and reliable Ruby/Elixir code.

Ruby Elixir GraphQL Kafka TypeScript

17 jobs similar to Senior Backend Engineer

Jobs ranked by similarity.

$152,000–$190,000/yr
US

  • Lead architectural design and technical discovery for complex, distributed systems across our platform.
  • Define and evolve system boundaries, service interactions, and data flow within our event-driven ecosystem.
  • Guide the design of scalable, fault-tolerant systems leveraging asynchronous communication patterns (e.g., RabbitMQ, Kafka, SNS/SQS).

Fanatics is building a leading global digital sports platform that ignites the passions of global sports fans. We offer products and services across Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming. Our more than 22,000 employees are committed to relentlessly enhancing the fan experience and delighting sports fans globally.

Europe 5w PTO

  • Design, build, and maintain scalable backend services and APIs that power Chattermill’s core analytics platform.
  • Architect reliable, maintainable distributed systems and contribute to the evolution of backend service design and infrastructure.
  • Own end-to-end delivery of backend engineering workstreams, from technical scoping and architecture through to implementation, testing, observability, and production support.

Chattermill helps large successful brands like Uber, Amazon, and Wise put their customers at the centre of everything they do. Using best-in-class tech in a fast-evolving AI space, their Customer Experience Intelligence platform continuously analyses feedback to help clients identify what to do next.

$193,600–$253,000/yr
US

  • Lead architecture, system design and engineering efforts for high-scale, data-intensive B2B systems.
  • Design and implement batch and real-time processing architectures that are reliable, observable, and performant.
  • Mentor and coach engineers at all levels, and actively contribute to Omada’s engineering community.

Omada Health is a digital care provider that empowers people to achieve their health goals through sustainable behavioral change. They have served more than two million members and strive to build an inclusive culture where differences are celebrated.

Europe

  • Design, build and maintain APIs, services, and systems across Telnyx’s engineering teams.
  • Debug production issues across services and multiple levels of the stack.
  • Work with engineers across the company to build new features at large-scale.

Telnyx is building the future of global connectivity by architecting a global, multi-cloud IP network and hyperlocal edge technology. The company is financially stable and profitable and fosters an environment of continuous learning and growth for its team.

Europe

  • Rotate across engineering squads to tackle high-impact projects.
  • Ship production code in multiple languages and stacks.
  • Debug and optimize distributed systems processing thousands of messages per second.

Telnyx is building the future of global connectivity. They have a private, global, multi-cloud IP network and use intuitive APIs. They are a financially stable and profitable company that fosters an environment of continuous learning and growth for their team.

Europe

  • Design, build, and own backend systems that transform raw enterprise data into structured representations.
  • Develop and maintain scalable data processing pipelines, semantic storage layers, and versioning systems.
  • Own features end-to-end, from data modeling and backend logic to API design and integration layers.

Pragmatike is recruiting on behalf of a fast-growing, AI-first enterprise software company building a next-generation semantic intelligence layer for large-scale business data. They value transparency, ownership, and long-term impact.

Canada

  • Design, improve, and debug complex, scalable distributed systems
  • Find solutions to optimize bottle-necks and general system wide performance
  • Write extensible scalable and test-driven code, and take responsibility and ownership of projects from start to finish

StackAdapt empowers marketers to reach, engage, and convert audiences with precision. They are a leading technology company with an AI-powered platform that connects brand and performance marketing. StackAdapt has a diverse and flexible culture with dedicated career paths.

$125,000–$150,000/yr
US Unlimited PTO

  • Design and build systems, manage scalable ML pipelines using Vertex AI Pipelines for training, evaluation and deployment to support ranking, retrieval, and recommendation personalization use cases
  • Develop and maintain data pipelines that support feature generation, model training, and analytics workflows. Own vector generation via Milvus, storage, and retrieval workflows
  • Implement model serving solutions using KServe and build APIs using FastAPI for low latency inference Build observability and monitoring for models and pipelines.

People Inc. is America’s largest digital and print publisher. Our 40+ iconic and fast-growing brands harness the best intent-driven content, the fastest sites, and the fewest ads to help nearly 200 million people every month.

Europe LATAM

  • Design and develop scalable AI-powered backend systems for SysML-based engineering environments
  • Build and maintain distributed data ingestion and ETL pipelines for large-scale engineering artifacts and technical documentation
  • Develop and optimize LLM-powered workflows for metadata extraction, semantic analysis, and entity resolution

Sigma Software builds scalable AI-driven systems. They are an innovative team leveraging AI, semantic graphs, and distributed processing to deliver impactful solutions.

Europe US 6w PTO

  • Build out Rerun's commercial offering for ingesting, indexing and querying multimodal data at scale.
  • Grow your ownership of design and architecture.
  • Turn rough ideas into solid systems.

Rerun is building a new multimodal data stack for physical AI, aiming to transform the physical-world economy. They focus on data infrastructure and tools for extraction, ingestion, storage, querying, streaming, and visualization of temporal multimodal data.

Global

  • Design, build, and maintain scalable full stack applications.
  • Collaborate with Product, Design, Commercial, and Analytics teams to deliver impactful features.
  • Develop and integrate AI-powered workflows and LLM-based solutions using modern generative AI tooling.

Smart Working believes your job should feel right every day. They connect skilled professionals with global teams for full-time, long-term remote roles and value employee growth and well-being. They are a highly-rated workplace on Glassdoor.

  • Build and own backend services, infrastructure, and data systems.
  • Solve complex scalability challenges.
  • Gain expertise in financial systems and make a direct impact.

Devexperts works with financial institutions, delivering products and solutions for retail and brokerage houses, exchanges, and buy-side firms. They focus on trading platforms and brokerage automation, complex software development, market data products, and IT consulting.

Europe

  • Design, develop, deploy and maintain new and existing applications.
  • Co-own our services architecture, resilience, scalability and robustness.
  • Grow on technical leadership & mentorship of other engineers.

Qonto provides a finance workspace with banking at its core, augmented by financial tools, creating freedom for SMEs to succeed. Founded in 2017, Qonto has over 1,600 employees and serves over 600,000 customers across 8 European countries with a customer satisfaction-focused culture.

$154,384–$198,893/yr
Europe

  • Design, build, and own core components of the agent platform, from the orchestration layer to the tool integrations connecting it to internal systems.
  • Build and evolve the capabilities layer: APIs, data access patterns, and service integrations for agents to execute operational workflows.
  • Architect the knowledge and memory infrastructure, allowing agents to retrieve the data and act across our systems.

Justworks helps businesses get off the ground by enabling them to focus on running their business and solves HR issues. The company embraces a supportive, entrepreneurial environment where employees are encouraged to build something meaningful and have fun.

Global

  • Own and build core backend systems for highly scalable messaging infrastructure.
  • Design, ship, and maintain backend services handling billions of messages monthly.
  • Solve complex infrastructure problems across routing, messaging, delivery, and automation systems.

Textla is the first outbound operating system for SMS, allowing enterprise brands to leverage AI-first infrastructure to deliver communication campaigns at scale. They are an early-stage startup with meaningful traction, top-tier investors, and a small, fast-moving team that operates as a people-first company.

$210,000–$278,000/yr
US Unlimited PTO

  • Architect future iterations of core systems, addressing scaling requirements.
  • Design and implement developer tools to enhance deployment safety and reproducibility.
  • Drive excellence in monitoring and guide incident response for quick issue resolution.

Found provides tools for self-employed individuals, offering a business bank account that automates taxes and expense tracking. They aim to give self-employed people the security and peace of mind historically available only at large corporations and are looking for kind, resourceful, and passionate people.

$120,000–$140,000/yr
Americas

  • Help define architecture to support millions of daily API requests, build and scale infrastructure for sending tens of millions of emails daily, and improve high availability across distributed applications.
  • Scale databases like Postgres and Clickhouse for performance, enhance observability using tools like Datadog, and refine disaster recovery plans for quick and reliable service recovery.
  • Build infrastructure with IaC frameworks like CDK and TF, work with Typescript and Golang, and design and operate async pipelines handling tens of millions of messages daily with on-call rotation for critical services.

Resend is building the modern email sending platform for developers, focusing on quality, craft, and developer experience. It is a fully remote team of about 40 people spanning 11 countries, backed by investors like a16z and Y Combinator, and values honesty, low ego, and autonomy.