Staff Software Engineer - Safety Experience
This role involves leading as a Staff Engineer on the Safety Experience team, focusing on designing and building product features and systems to prevent harmful activities at scale while ensuring regulatory compliance. Key responsibilities include owning complex, multi-milestone projects end-to-end, designing robust production APIs and backend services, and collaborating cross-functionally on safety initiatives. The engineer will act as a technical leader, drive engineering excellence, and contribute significant code while protecting hundreds of millions of users.
Senior Full-Stack Engineer, Horizons
The role seeks a Backend Engineer for the Horizon Team to build and optimize backend services and APIs, focusing on the Server-Driven UI (SDUI) service within a BFF architecture. Key responsibilities include developing scalable backend services, implementing and optimizing the BFF layer, and collaborating with cross-functional teams to enhance the customer-facing menu experience. This position is ideal for a semi-senior engineer ready to tackle challenging technical problems impacting user engagement.
Senior Software Engineer
The Senior Software Engineer will join the Customs Technology team at Flexport to build systems that help global brands navigate complexity and stay compliant in international trade. Key responsibilities include distilling complex business problems into elegant technical solutions, building highly performant Kotlin microservices, and rapidly launching products, as the company ships to production dozens of times per day. Candidates must have at least five years of software writing experience and an aptitude for quick learning.
Senior Full-Stack Engineer
The role seeks a Senior Software Engineer for the Demo Experience team to design, build, and maintain solutions that improve the sales demo and testing experience. Responsibilities include leading initiatives, identifying demo experience improvements, participating in code reviews, mentoring, and addressing technical debt. The engineer will focus on improving platform architecture for self-service capabilities and ensuring high standards for code quality.
Engineering Manager
The Engineering Manager will lead a team of 6-8 engineers in developing consumer finance products focused on helping millions of Americans manage debt and rebuild credit. Key responsibilities include setting technical direction, owning end-to-end outcomes, building and growing the engineering team, and driving system reliability. The role requires strong engineering craft, leadership experience, and the ability to operate effectively in ambiguous, fast-moving environments.
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Sr. Software Engineer, Backend (platform)
The Sr. Software Engineer, Backend (Platform) will be a core contributor designing and building essential backend services, managing infrastructure on Google Cloud, and developing sophisticated developer tooling. This high-autonomy role requires frequent collaboration with product teams to ensure the platform remains reliable, secure, and scalable for FinTech applications. Key responsibilities include maintaining backend services in Go, enhancing CI/CD infrastructure, and participating in the on-call rotation.
Sr. Software Engineer, Backend (cards) (contract)
This is a one-year contract role for a Sr. Backend Software Engineer focusing on the Cards platform at Synctera. The engineer will build and maintain scalable, reliable backend services primarily using Go, influence product outcomes, and contribute directly to major technical decisions. Key responsibilities include developing the card issuing/processing subsystem, collaborating cross-functionally, and identifying process improvements.
Full-Stack Software Engineer
PermitFlow is seeking a Fullstack Software Engineer to transform complex permitting workflows into seamless, AI-enabled software experiences. Responsibilities include designing and implementing backend/frontend services, APIs, and data pipelines to support AI-driven workflows. The role requires owning features end-to-end and establishing engineering best practices in a high-growth AI company serving the construction industry.
Senior Full-stack Engineer (python React/ts)
The client seeks a Senior Full Stack Engineer to design, build, and evolve digital platforms for local governments, modernizing public-sector operations. Key responsibilities involve designing and developing full-stack features using Python (backend) and React/TypeScript (frontend), building APIs, developing responsive UIs, and contributing to system architecture. This hands-on role requires strong experience across the full stack, database work (PostgreSQL/SQL Server), and collaboration with DevOps.
Senior Full-stack Software Engineer (Next.js Supabase AI-native)
The Senior Full-Stack Software Engineer will design, build, and deliver scalable, secure systems for a cybersecurity platform, focusing on Next.js, TypeScript, PostgreSQL/Supabase, and AI-assisted development. Key responsibilities involve end-to-end feature ownership, designing database-centric business logic using Postgres features like RLS, and integrating AI tooling (Cursor, Devin, Copilot) into the core workflow. The role requires embedding application security best practices across all layers and collaborating closely with product teams to deliver impactful features.
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Senior Full-Stack Engineer (Node.js, React)
The Senior Fullstack Engineer will own the entire backend of Symbiotic, including architecture, services, APIs, and reliability, ensuring maximum value delivery. This involves designing and building new services independently, jumping into React frontend work when necessary, and ensuring all shipped code is well-documented, tested, and production-ready. The role requires at least 4 years of backend or fullstack production experience, deep expertise in Node.js internals, advanced PostgreSQL skills, and a strong React/TypeScript frontend background.
Tech Lead Back-end Engineer
Robots & Pencils is seeking an experienced Backend Developer (L4) to join a dedicated delivery team supporting safety-critical, customer-facing applications. Key responsibilities include designing, developing, and maintaining backend services using Node.js and TypeScript, building REST/GraphQL APIs, and leading technical decisions. The role requires strong technical leadership to ensure reliability, security, and compliance while modernizing the backend platform alongside cross-functional teams.
Senior Back-end Engineer (3-month Contract)
Robots & Pencils is hiring a Senior Back-end Engineer for a 3-month contract to maintain and extend an existing Node.js/TypeScript backend for a consumer-facing health and wellness mobile application. Key responsibilities include improving API reliability, addressing technical debt, and enhancing test coverage. The role requires strong proficiency in Node.js/TypeScript and comfort working with inherited codebases while balancing short-term delivery with long-term technical improvements.
Senior Infrastructure Engineer
LMArena is hiring a Senior Infrastructure Engineer to define and build the technical foundations for their AI evaluation platform. Responsibilities include designing high-performance, scalable distributed systems, collaborating on security (anti-abuse/Sybil resistance), and delivering infrastructure improvements that accelerate feature velocity across backend services, APIs, and data systems.
Staff Software Engineer, Money
This is a Product Engineering role leading Replit's monetization systems, requiring strong backend skills to build reliable and scalable billing systems and abstractions. Key responsibilities include architecting monetization systems, creating seamless payment experiences, building internal monetization APIs, iterating on pricing tactics, and implementing proactive monitoring systems. The role demands an engineer comfortable working autonomously in ambiguous environments to ensure intuitive and friendly user experiences around critical user journeys like payments.
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Software Developer
Mydoh, a Toronto-based fintech startup part of RBC Ventures, is looking for a Software Developer to help families raise money-smart kids. The role involves creating, testing, and implementing backend code using Typescript, NestJS, and PostgreSQL, while maintaining code quality and security standards. Responsibilities also include participating in a rotating on-call support team and contributing to product ideation and improvement.
Senior Software Developer - Mydoh
Mydoh, an award-winning Toronto-based fintech part of RBC Ventures, is seeking a Senior Software Developer to build exciting new features for their consumer-facing platform using Typescript, NestJS, and PostgreSQL. Responsibilities include maintaining code quality, ensuring security, and participating in a rotating on-call support team. Candidates require 8+ years of software development experience, strong backend skills, and a focus on creating simple, effective user experiences.
Software Developer
Mydoh, a Toronto-based fintech part of RBC Ventures, is seeking a Software Developer to build and maintain features for their family-focused platform using Typescript, NestJS, and PostgreSQL. Key responsibilities include writing code, maintaining quality and security standards, and participating in a rotating on-call schedule. Candidates should be outcome-focused problem solvers who are keen to share ideas and articulate technical issues clearly.
Software Engineer - Hris & Payroll
This role is for a founding Software Engineer focusing on HRIS & Payroll systems at a fintech company disrupting the retirement industry. Key responsibilities include building and maintaining integrations with third-party HRIS/Payroll systems and architecting core services for ingestion, processing, and deduction management. Candidates must have strong experience with modern backend frameworks, API design, and cloud infrastructure, and thrive in a fast-paced, in-office environment.
Staff Full-Stack Software Engineer
The Staff Full-Stack Engineer will drive technical direction and lead end-to-end delivery for a real-time, high-scale product surface, working across Node/TypeScript backends and React frontends. Key responsibilities include architecting systems for live calling workflows, setting code quality standards, and cross-functional collaboration with Product and Design. This role also involves mentoring other engineers and improving developer experience and reliability.