Source Job

US Unlimited PTO

  • Take end-to-end ownership of new features, working with others in the SDK and Server teams.
  • Design and build Temporal SDKs used by customers to work with Temporal in their programming language of choice.
  • Develop features that provide a foundation for the reliable execution of the current wave of agentic AI systems.

Go Java Python .NET TypeScript

20 jobs similar to Senior Software Engineer, SDK (Client Runtime)

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US Unlimited PTO

  • Design, build, and maintain tools and systems that support release automation and deployment workflows.
  • Write clean, reliable, and concurrent code that supports distributed systems (e.g., build pipelines, deployment tooling).
  • Collaborate with cross‑functional teams to understand and improve release quality and developer productivity.

Temporal is an open source programming model simplifying code and enhancing application reliability. They are a growing company focused on being the reliable foundation of every developer’s toolbox, fostering a curious, driven, and collaborative culture.

$145,500–$235,400/yr
US

  • Contribute to development for SDKs in supported platforms.
  • Collaborate with our engineering and product teams to drive the implementation and release of major features.
  • Actively maintain our open-source repositories.

The LaunchDarkly platform helps developers innovate on new features faster while protecting them with a safety valve to instantly rewind when things go wrong.

$145,000–$185,000/yr
US Unlimited PTO

  • Be a keen learner, working with cloud-native, highly scalable infrastructure and gaining expertise in container orchestration, networking, and observability.
  • Be a passionate problem solver, tackling scalability, reliability, and troubleshooting challenges in distributed systems.
  • Be a great communicator, engaging directly with developers, engineering teams, and product teams to understand infrastructure challenges and provide solutions.

Temporal provides an open-source programming model that simplifies code, improves application reliability, and helps developers focus on delivering features faster. They aim to be the reliable foundation of every developer’s toolbox and value curiosity, drive, collaboration, genuineness, and humility.

As a Senior Software Engineer at Fluxon, you'll bring products to market while learning and growing with our team. You'll drive end-to-end implementations, collaborating with your team in a dynamic environment. You'll also engage directly with clients to understand business goals and debug production issues.

We are Fluxon, a product development team founded by ex-Googlers and startup founders offering full-cycle software development.

Canada Unlimited PTO

  • Lead the full Software Development Lifecycle from requirements and design to implementation, deployment, and long-term operation.
  • Define and uphold high standards of technical excellence and reliability.
  • Work closely with all the engineering teams to evolve the release process and ownership model.

Temporal is an open source programming model that can simplify code, make applications more reliable, and help developers focus on the important things.

Europe 5w PTO

Design, build, and maintain scalable, reliable services that power high-volume software solutions. Take ownership of features from end-to-end across the software development lifecycle, including infrastructure, observability, and production operations. Write clean, production-grade code, focusing on maintainability, test coverage, and system resilience.

Rithum is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences.

Europe 6w PTO

  • Lead development teams and translate business requirements into impactful applications.
  • Ensure best practices in software development, DevOps, Data and agile methodologies are upheld within the team.
  • Shape and define architectural decisions ensuring scalability, security, and maintainability.

Nearform is an independent team of data & AI experts, engineers, and designers who build intelligent digital solutions and capability at pace.

$8,000–$11,500/mo
Europe

  • Design software applications and features in Golang and React.
  • Coordinate with internal company stakeholders to design market winning products.
  • Mentor other engineering teammates to help elevate their experience and knowledge.

Sezzle is revolutionizing the shopping experience beyond payments, blending cutting-edge tech with seamless, interest-free installment plans.

Canada

  • Architect, develop, and scale automation frameworks, integrations and agentic workflows across Mozilla’s workplace technology ecosystem.
  • Lead end-to-end engineering of lifecycle workflows (onboarding, off-boarding, access provisioning) using APIs, event-driven architectures and intelligent agentic flows that reduce manual touchpoints and accelerate user access.
  • Build and maintain reusable libraries, connectors, SDKs and agent orchestration layers that enable faster, safer AI-enabled productivity at scale.

Mozilla Corporation is a non-profit-backed technology company that has shaped the internet for the better over the last 25 years. They make pioneering brands like Firefox, the privacy-minded web browser and are focused on making the internet better for people. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

India

  • Design, develop, and maintain scalable, secure, and high-performance software solutions.
  • Collaborate with distributed teams across multiple time zones, driving process improvements.
  • Contribute to products used globally, impacting platform reliability and user experience.

This position is posted by Jobgether on behalf of a partner company.

  • Build AI agents and tools that transform how developers write code and debug issues.
  • Architect and implement AI-powered tools such as code review assistants and automated test generators.
  • Collaborate with the Principal Engineer and product/design teams in a remote-first environment.

Docker makes app development easier so developers can focus on what matters.

ANZ

  • Own challenging infrastructure problems end-to-end by understanding how engineers use the platform.
  • Design scalable, maintainable services and contribute to technical proposals.
  • Contribute to the roadmap, highlighting opportunities, validating approaches and helping keep our platform solutions current with cloud best practices.

Canva's intuitive suite of design products is powered by our large distributed infrastructure group, setting large and ambitious goals.

Europe

Build high-quality, clean, scalable and reusable code by enforcing best practices around software engineering architecture and processes. Work with the product owners to understand detailed requirements and own your code from design, implementation, test automation and delivery of high-quality product to our users. Contribute to the design and implementation of new products and features while also enhancing the existing product suite.

ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®.

Asia Pacific

  • Contribute to the design, delivery, and support of features in a highly concurrent, highly distributed system that drives cloud automation and software operations at scale
  • Collaborate proactively with a distributed team
  • Debug issues and interact with upstream communities publicly

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. The company is a pioneer of global distributed collaboration, with 1200+ colleagues in 75+ countries and very few office-based roles.

$148,505–$178,206/yr
US

Design, build, operate, and maintain critical backend systems for alerting, ensuring reliability, scalability, and performance. Drive projects from ideation through to production and operations, actively contributing to roadmap planning. Collaborate with cross-functional teams to deliver features that meet user needs and business objectives.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

$180,000–$200,000/yr
North America Unlimited PTO

  • Guiding product delivery, leading projects, providing technical guidance in a dynamic environment.
  • Partnering directly with clients to understand their needs and helping achieve business goals.
  • Helping drive a healthy engineering culture within customer teams and inside Fluxon, mentoring engineers.

Fluxon is a product development team founded by ex-Googlers and startup founders, offering full-cycle software development. They partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products.

India

Seeking a skilled software engineer to design and develop high-performance applications for large-scale data processing. Work in a fully remote, collaborative R&D environment building solutions to protect critical data and enhance security operations. Take ownership of core application development, contribute to system architecture, and collaborate with cross-functional teams.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

US

  • Develop & optimize back-end systems to support the model development lifecycle.
  • Design, implement, and maintain secure and scalable APIs for model deployment and integration.
  • Collaborate with cross-functional teams to incorporate feature requests and improve offerings.

This position is posted by Jobgether on behalf of a partner company; Jobgether uses AI to ensure applications are reviewed quickly and objectively.

US Europe Unlimited PTO

  • Contribute to and review PRs for dapr/dapr-agents, dapr/python-sdk, dapr/durabletask-python and dapr/docs upstream
  • Collaborate with partners on integration of Agentic Frameworks into the Dapr ecosystem
  • Participate in promoting the Dapr project with Blog posts, recordings and demos

Diagrid provides developers with APIs and tools that help them focus on their code and not on infrastructure.

$250,000–$280,000/yr
US Unlimited PTO

  • Own the engineering vision, drive our cross-disciplinary roadmap, and scale an organization.
  • Lead and grow engineering managers, ICs, and hardware engineers.
  • Ensure consistent, high-quality delivery across software and hardware initiatives.

Runwise is reshaping how cities run by building technology. They operate in 10,000+ buildings, focusing on heating, cooling, and water systems to reduce emissions and costs in major cities.