Job Closed
This listing is no longer active.
Talent Partner for decentralized organizations and projects that are building Web3.
Senior Platform Engineer
Location
New York
Posted
61 days ago
Salary
0
Seniority
Senior
Job Description
Senior Platform Engineer
decircle
• Architect & build backend systems • Optimize performance & scalability • Enhance security & reliability • Cross-company collaboration • Contribute to code reviews • Participate in research & innovation • Interface with Customers
Job Requirements
- 8+ years of experience in backend development
- Experience architecting and developing solutions to ambiguous problems with significant impact and high usage
- Master-level proficiency in systems programming languages like Golang, Rust, or C++
- Strong knowledge of database systems and internals (e.g., PostgreSQL, MongoDB)
- Experience with cloud platforms (e.g., AWS, GCP) and infrastructure as code (e.g., Terraform, Ansible)
- Excellent problem-solving and communication skills
- (Plus) Blockchain-specific backend experience (e.g., working on BFT consensus engines, event indexing systems, libp2p)
- (Plus) Experience with Ethereum roll-up technologies (e.g., Arbitrum Nova, Optimism)
- (Plus) Open source contributor
- (Plus) Active participant on ethresear.ch
Benefits
- Competitive salary & equity
- Unlimited PTO
- Health, Vision, & Dental coverage
- 401k match
- Hardware setup — new MacBook Pro, big display, & accessories.
Related Guides
Related Categories
Related Job Pages
More Platform Engineer Jobs
Senior Platform Engineer
Rise8Rise8 is a digital transformation company focused on helping government agencies move quicker and more efficiently by designing and delivering resilient, secure
• Create and implement automated configuration and deployment processes to enhance the performance, accessibility, and ease of management of the platform and its related services. • Establish and manage administrator and service accounts, while also maintaining accurate system documentation and effectively resolving technical issues. • Utilize scripting tools to craft self-service capabilities within the Platform as a Service (PaaS), fostering a seamless developer experience for development teams. • Collaborate closely with developers to diagnose and troubleshoot problems, ensuring smooth operations. • Take on the operational responsibility for the services under your team's ownership. • Thrive in an environment that nurtures your personal development and growth. • Continuously enhance the product, delivering software that resonates positively with users and meets their needs effectively.
• Lead a cross-functional pod of 4-8 engineers, setting technical direction while staying hands-on • Design and build a stateless API gateway that enables external AI assistants to query IDC's intelligence platform • Architect multi-platform channel adapters for email, Slack, and Teams delivery • Build shared infrastructure: authentication, identity linking, rate limiting, thread mapping, and audit logging • Define interfaces and contracts with adjacent teams (AI Orchestration, Search & Data Services) • Write production code. This role is coding more than 50% of the time
Senior Product Manager - SDK's, Developer Platform & Documentation
MarqetaHeadquartered in Oakland, California, Marqeta created an open application programming interface (API) to help simplify the way payment programs are managed. The
Marqeta is seeking a Senior Product Manager for SDKs, Developer Platform & Documentation to lead the strategy and evolution of the developer platform that powers how customers build on Marqeta. You will own the end-to-end developer experience across Mobile and Web SDKs, APIs, and documentation, ensuring developers can easily discover, integrate, test, and scale financial capabilities. Your scope includes iOS, Android, and Web SDKs; API platforms; developer tooling; authentication and identity; developer portals; onboarding flows; sandbox environments; and documentation systems. You’ll partner closely with Engineering, Developer Relations, Documentation, Security, Design, and Solutions Engineering, as well as directly with customers, to deliver a platform that is intuitive, reliable, and scalable. This role requires strong technical fluency and product judgment to improve developer experience, reduce integration time, and drive platform adoption. The developer platform is how Marqeta scales. SDKs, APIs, and documentation determine how quickly customers build and launch. Strong developer experience reduces integration time, increases adoption, and drives growth. This role removes friction, accelerates time-to-production, and makes Marqeta the platform developers choose first. We work Flexible First. This role can be performed remotely anywhere within Ontario, Canada. We’d love for you to join us! This position is for an existing vacancy. The Impact You’ll Have - You will define how developers build financial products on Marqeta across mobile and web. - Own the roadmap for Mobile and Web SDKs (iOS, Android, Web), including scalability, performance, and usability - Lead developer documentation strategy across API references, guides, and onboarding experiences - Improve developer onboarding, API usability, and integration workflows - Partner with engineering on SDK lifecycle management (releases, versioning, compatibility, performance, security) - Build tooling and environments (sandbox, testing, debugging) to accelerate integration and developer productivity - Drive SDK and platform adoption by reducing complexity and improving developer experience - Enable modern payment experiences, including mobile wallet integrations (Apple Pay, Google Pay) - Collaborate across Developer Relations, Documentation, Support, and Solutions Engineering - Leverage AI to improve developer workflows (documentation generation, troubleshooting, API discovery, code examples) Who You Are - 5-8+ years building products developers love — proven track record shipping SDKs, APIs, or developer platforms that scale and delight technical audiences - Deep technical fluency across modern ecosystems — strong working knowledge of mobile (iOS/Android), web frameworks, and API-first architectures that power today's digital experiences - SDK and API expertise — hands-on experience with SDK architecture, lifecycle management, and crafting intuitive APIs that developers actually want to integrate - Developer experience obsessed — proven ability to improve onboarding flows, enhance API usability, and create documentation that turns complexity into clarity - External developer engagement — experience building for and collaborating with external developer communities, including partnerships with DevRel teams to drive adoption and advocacy - Data-driven platform growth — track record scaling developer platforms using metrics that matter: adoption rates, time-to-first-hello-world, API error rates, and developer satisfaction - Fintech or infrastructure platform experience — bonus points for payments expertise (mobile wallets like Apple Pay/Google Pay) or building mission-critical infrastructure that powers other products - Innovation mindset — experience applying AI/automation to streamline developer workflows, reduce friction, and unlock new capabilities that weren't possible before Nice-To-Haves - Owned end-to-end developer journeys - Experience with design systems tied to SDKs - Experience driving platform standardization - Experience with developer observability/debugging tools - Experience across enterprise and self-serve developers - Track record improving time-to-first-call or time-to-production Compensation and Benefits Marqeta is a Flex First company which allows you to choose your best working environment, whether that be from home or at a company office. To support Flex First, we calibrate pay to a competitive value according to working location. When determining salaries, we consider several factors including, but not limited to, skills, prior experience, and work location. The new-hire base salary range for this position, reflected in CAD, is: 108,000 - 135,000 We also believe in recognizing the contributions of our people. That's why we award annual bonuses to eligible employees, rewarding both individual performance and the success of the entire company. Along with monetary compensation, Marqeta offers - Multiple health insurance options - Flexible vacation time - Retirement savings program with company contribution - Equity in a publicly-traded company - Monthly stipend to support our remote work model - Annual “development dollars” to support our people growth and development - Family-forming benefits and up to 20 weeks of Parental Leave About Marqeta Marqeta is on a mission to change the way money moves. We’re one of the earliest enablers of embedded finance, a market opportunity sized up in the trillions. Our card issuing platform provides unprecedented flexibility and control for companies to issue cards, authorize transactions, and manage payment operations in real time. Marqeta is powering the most well known brands in the new economy (Block, Cash App, Affirm, Instacart, Doordash, Uber, Walmart, etc). You don’t need to be a Payments expert to join the Marqeta Team, let us help you with that. This is the opportunity of a lifetime to work with innovators around the world and unlock equitable financial access for all. Marqeta’s Values – Solve for the Customer: With a deep understanding of our customers' business and empathy for their needs, we deliver products and services that drive their success. Earning and keeping their trust guides everything we do. – Do What's Right: Knowing businesses and livelihoods depend on us, we pursue solutions that disrupt responsibly and deliver high-quality results that our customers count on. We own our work from start to finish. – Simplify and Innovate: We approach challenges with curiosity and take smart risks. Innovation comes from finding better, simpler ways to achieve extraordinary outcomes. – Win as a Team: We succeed together by embracing diverse perspectives and pushing each other to raise the bar. We lead with humility and set aside hierarchy to work as a team. – Make it Count: We drive forward with focus and agility. With a sense of urgency and purpose, we get the job done, and done right. Equal Employment Opportunity, Accommodations and Privacy Marqeta is an equal opportunity employer committed to an inclusive workplace that fosters belonging. We do not discriminate based on race, color, religion, sex (including pregnancy, lactation, childbirth, or related medical conditions), veteran status or uniformed service member status, age, national origin or ancestry, citizenship or immigration status, physical or mental disability, gender identity, gender expression, sexual orientation, genetic information (including testing or characteristics) or any other characteristic protected by applicable law. We also consider qualified applicants with criminal histories, consistent with legal requirements. Marqeta endeavors to make reasonable accommodations for applicants with disabilities. If you are an individual with a disability and require a reasonable accommodation to submit this application, complete any pre-employment testing, or otherwise participate in the employee selection process, please submit this form with your specific accommodation request. Personal data that is provided as part of the application and recruitment process is processed in accordance with the Applicant Privacy Notice. Additional information for California residents can be found here.
• Assist with cloud platform operations (primarily AWS/Azure), including resource provisioning, monitoring, and cost visibility • Build and maintain internal tools, scripts, and utilities using Python or TypeScript to support platform workflows • Contribute to automation efforts using tools like Terraform, and write supporting code in Python or TypeScript to extend infrastructure capabilities • Help maintain and improve CI/CD pipelines, deployment workflows, and infrastructure-as-code repositories • Support networking and connectivity initiatives (VPC/VNet design, routing concepts, firewalls, VPNs, load balancing) • Work alongside engineers to troubleshoot platform issues across cloud, network, and application layers, using logs, metrics, and custom debugging scripts • Develop or improve lightweight APIs, CLIs, or dashboards that give the team better visibility into platform health • Participate in documentation, diagrams, and operational runbooks to support platform reliability • Gain exposure to security, identity, and governance controls within enterprise environments



