Full-stack Engineer

• Architect and scale the pipelines that turn raw usage into accurate, real-time billing — metering, aggregation, rating, and invoicing across millions of events, from ingestion in ClickHouse to the rating engine.
• Build payment flows that are correct under concurrency and partial failure: idempotent charges, retries, reconciliation, and clean handling of provider edge cases (Stripe and beyond).
• Develop fraud and abuse detection — signal collection, real-time scoring, automated mitigation — that protects platform margin without getting in legitimate users' way.
• Scale the systems everything else depends on: Postgres under heavy write load, Node.js services under pressure, and long-running workflows orchestrated with Temporal where exactly-once semantics and durability actually matter.
• Build TypeScript + GraphQL APIs where correctness and auditability are non-negotiable.
• Write Engineering Requirement Documents to take something from idea, to defined tasks, to implementation, to monitoring its success and scaling it further.
• Contribute to our open-source repositories (CLI, Typescript SDK, Railpack, etc.) — Rust experience, or the desire to learn it, helps here.
• Be oncall from time to time.

Senior Product Engineer, Scalability

Backend Engineer

• Work closely with enterprise IT teams to design analytics and data solutions aligned to business strategy
• Define architecture patterns for ingestion, transformation, and serving layers
• Establish best practices for Unity Catalog, Delta Lake, and orchestration
• Guide pod-based delivery teams
• Define development standards for pipelines, notebooks, and CI/CD
• Optimize pipelines for performance and cost
• Integrate Databricks with Azure ecosystem and Power BI
• Implement governance using Unity Catalog
• Define reusable frameworks and templates

Data Platform Architect, Databricks

• Build core platform from scratch in a small team
• Use AI development tools to streamline feature delivery
• Design mobile-first rugged user interfaces for technicians
• Develop backend systems for tracking results and generating documentation
• Integrate with existing tools in the automotive repair industry
• Build adaptive checklists and compliance tools for user guidance

Senior Fullstack Software Engineer

• Design, build, and launch products from concept to production
• Work closely with founders and stakeholders to identify user needs
• Translate ideas and requirements into scalable software solutions
• Build full-stack web applications and internal tools
• Integrate AI models, APIs, databases, and third-party platforms
• Rapidly prototype and validate new concepts
• Improve usability, performance, security, and reliability
• Own projects end-to-end and drive execution independently
• Contribute to product strategy, user experience, and technical decisions

Product Engineer

• Lead the development of major team-scoped projects, participate in cross-team initiatives for Remote's HR and Payroll products.
• Actively participate in product work in the team: provide feedback, suggest solutions to the problems. Use technical insights and expertise to suggest product improvements.
• Maintain good understanding of the team’s domain, both from product and engineering sides.
• Provide feedback on code reviews.
• Contribute to the shared codebase.
• Debug and solve technical and business issues.
• Participate in non-team activities, such as support rotations, hiring process, RFC discussions, etc.
• Mentor and provide guidance to other engineers.
• Investigate, propose and participate in implementation of improvements to our platform.
• Implement interfaces with performance, accessibility, and API design in mind.
• Redesign how engineering work ships with autonomous agents as the default execution layer.
• Propose and operationalize agentic workflows end-to-end (spec → plan → execute → verify) to deliver outcomes faster.
• Build reusable agentic workflows and primitives in the codebase so teams can apply them repeatedly across domains.
• Use verification loops (tests, checks, evals, guardrails) to ensure results are correct, secure, reliable, and scalable.

Senior Backend Engineer

• Build, test, ship, and maintain high-quality software across Seso’s platform
• Work with Product and Design to turn customer and business problems into simple, reliable product experiences
• Contribute across the stack, including frontend, backend, APIs, databases, integrations, and cloud infrastructure
• Write clean, maintainable code and participate in thoughtful code reviews
• Improve existing systems by reducing complexity, improving performance, and increasing reliability
• Use modern AI tools to improve your own engineering speed and quality across coding, debugging, testing, documentation, refactoring, and technical exploration
• Experiment with tools such as Cursor, Claude, ChatGPT, GitHub Copilot, Codex-style agents, or other AI development environments
• Create effective prompts, workflows, and review practices that help you produce better software faster
• Use AI responsibly — validating outputs, checking edge cases, writing tests, and ensuring generated code meets Seso’s standards
• Help the engineering team learn practical ways to use AI tools without compromising quality, security, or maintainability
• Help design and build product features that use LLMs, agents, structured data extraction, summarization, recommendations, search, classification, document understanding, or other AI-enabled capabilities
• Integrate with AI APIs and platforms such as OpenAI, Anthropic, Azure OpenAI, AWS Bedrock, or similar tools
• Evaluate AI-generated outputs for accuracy, reliability, cost, latency, safety, and user impact
• Collaborate with Product and Engineering to decide when AI is the right solution — and when traditional software is better
• Write tests and evaluation workflows that help ensure software and AI-enabled features behave reliably
• Contribute to CI/CD, observability, logging, monitoring, and incident prevention
• Think carefully about privacy, security, permissions, and data handling
• Document technical decisions clearly so future teammates can understand and maintain your work
• Work closely with teammates across Engineering, Product, Design, Customer Experience, and other business functions
• Communicate clearly in both English and Spanish
• Bring high agency, curiosity, and a bias toward action
• Ask good questions, challenge assumptions respectfully, and help the team move faster without cutting corners

AI-First Software Engineer

• Work with Design and Product to improve and maintain the application experience for both our customers and merchant partners
• Review and understand high level feature requirements to propose implementation options and define user stories
• Collaborate cross-domain to further understand potential impacts and limitations of proposed requirements
• Actively engage in agile processes including sprint planning, retrospectives, and daily stand-ups
• Oversee delivery of features step by step: develop implementation plans, coordinate tasks with teammates, communicate with stakeholders, devise testing strategy, and deliver to production
• Help to evaluate priority, troubleshoot, and resolve bugs across the stack
• Research and implement emerging technologies to improve system performance and customer experience
• Drive front-end strategy within the team, with a focusing on maintainability and extendibility
• Champion new ideas to shape strategy for the Tech organization as a whole
• Act as a technical mentor, guiding engineers on best practices and modern standards pertaining to UI development
• Participate in code reviews to ensure high-quality standards as well as share knowledge across the team
• Improve application observability to better understand customer behavior and identify areas for improvement
• Minimize application bundle size and load times to minimize friction
• Utilize AI tooling in day to day tasks to streamline implementation cycles

Lead Fullstack Engineer

• Own the end-to-end delivery of key product features
• Architect and build dynamic web experiences
• Elevate team's velocity and craft
• Bridge the gap between creative vision and technical reality

Senior Full Stack Engineer

• Develop and maintain backend services and APIs.
• Collaborate with front-end developers.
• Optimize application performance and scalability.
• Troubleshoot and debug issues.
• Write clean and efficient code.

Backend Developer – Anticipated Hiring

• Develop scalable end-to-end web applications
• Build clean APIs and user-facing features
• Collaborate with cross-functional teams
• Write maintainable, well-documented code
• Troubleshoot, test, and optimize performance

Full Stack Engineer

Frontend Engineer

• Develop and maintain responsive web applications.
• Collaborate with designers and backend developers to create seamless user experiences.
• Optimize applications for maximum speed and scalability.
• Write clean, maintainable, and efficient code.
• Troubleshoot and debug issues.

Frontend Developer – Anticipated Hiring

Senior Backend Engineer, Elixir

• Managing a small product team of 3-5 engineers (backend and frontend).
• 30% of the time spent doing management work. Outside of that actively participates in product development in their team.
• Being involved in hiring processes for their own team and potentially help out their peers.
• In addition to being involved in hiring, also being responsible for the onboarding process of new engineers.
• By being the spokesperson for everyone in their team they are expected to manage the team dynamics and bring out the best in them.
• Giving continuous and constructive feedback on all the things.
• Helping the team to grow continuously as a group and is responsible for each direct report’s career.
• Providing guidance and coaching to the team.
• Redesign how engineering work ships with autonomous agents as the default execution layer.
• Propose and operationalize agentic workflows end-to-end (spec → plan → execute → verify) to deliver outcomes faster.
• Build reusable agentic workflows and primitives in the codebase so teams can apply them repeatedly across domains.
• Use verification loops (tests, checks, evals, guardrails) to ensure results are correct, secure, reliable, and scalable.

Engineering Team Leader

• Develop full front-end implementation of assigned slot game(s)
• Implement game logic based on supplied mathematics and design documentation
• Build and manage game states, transitions, and feature flows
• Integrate UI, animations, and audio assets into gameplay
• Implement reel behavior, bonus features, and game mechanics
• Ensure responsive behavior across mobile and desktop devices
• Optimize performance (FPS, memory usage, loading times)
• Fix bugs and support QA throughout development and release cycle
• Collaborate closely with QA, designers, mathematicians, and backend teams
• Deliver stable production builds ready for release

Front-End Game Developer

• Lead the end-to-end CMS migration from HubSpot to Sanity + Next.js, including content modeling, schema architecture, content migration, URL preservation, redirects, and SEO continuity.
• Design and build a comprehensive library of reusable, design-approved components in collaboration with the Brand team, enabling the Marketing team to publish pages autonomously after migration.
• Integrate HubSpot CRM (forms, lead capture, tracking) and GA4 analytics into the new stack so Sales and Marketing keep everything they rely on today.
• Set up the Claude Code + Sanity MCP integration, configure access and permissions, and train the Marketing and Brand teams to operate the website through natural language commands to Claude.
• Implement technical SEO and AIO optimization through schema markup, structured data, Core Web Vitals improvements, and content structures optimized for AI-driven discovery.
• Manage the underlying website infrastructure including CI/CD pipelines, staging environments, hosting (Vercel or similar), and monitoring to ensure reliability and fast iteration cycles.
• Build interactive elements where needed (live stats dashboards, embedded tools, custom landing page experiences) that reflect OpenZeppelin's identity as a leading technology and security company.
• Document architecture, workflows, and team-facing processes thoroughly so OpenZeppelin is genuinely self-sufficient at the end of the engagement.
• Handle ongoing website requests (new pages, bug fixes, integrations) during the engagement period.

Senior Web Developer – Contractor

Software Engineer

• Design, implement, and test new OrioleDB features and integrate them cleanly with PostgreSQL's planner, executor, and surrounding subsystems.
• Build out and maintain test infrastructure: regression suites, fuzzing, randomized testing, crash and recovery testing, and CI pipelines.
• Identify and prepare patches suitable for upstreaming to PostgreSQL core.
• Improve performance, resilience, monitoring, and operational tooling for production use.
• Debug and resolve complex issues in low-level C code, including in storage, replication, indexing, and query execution paths.
• Participate in design discussions, architecture reviews, and code reviews — both inside Supabase and in the PostgreSQL community.
• Write clear technical documentation, design notes, and upstream proposals.
• Have co-responsibility for troubleshooting, analyzing, supporting and maintaining oriledb postgres and bundled extensions in production deployments.

OrioleDB Developer

• Maintain and improve CI/CD pipelines using GitHub Actions.
• Automate deployments, workflows, and operations on Pantheon.
• Work with multi-site and multi-tenant architectures on Drupal 10.
• Manage MultiDev environments, canary deployments, and scalable releases.
• Troubleshoot issues related to code, infrastructure, and pipelines.
• Improve platform observability, monitoring, and stability.
• Develop and maintain backend modules and integrations in Drupal.

Senior Drupal Engineer

• Architect, build, and maintain robust integrations between our platform and external third-party systems
• Ensure scalability, reliability, and security within our AWS environment
• Design and implement well-structured APIs and services that enable seamless data exchange across platforms, following best practices in versioning, authentication, and error handling
• Build and operate services on AWS with strong CI/CD practices and infrastructure-as-code (IaC) to enable reliable, repeatable deployments
• Implement monitoring, logging, and alerting for integrations
• Investigate incidents, resolve root causes, and proactively harden systems against recurrence
• Use AI tools in day-to-day development (e.g., for code generation, debugging, test creation, and documentation) and help establish practical AI adoption across the team

Senior Software Engineer – Platform

• Software development
• Integrate API contracts (OpenAPI, versioning, error model, idempotency).
• Define resilience for dependencies (timeouts, retries, fallback/degradation).
• Integration with Salesforce services.

Software Developer, React.js Specialist

• Set and drive the technical direction for Supabase CLI and local development tooling across Windows, Linux, and macOS
• Lead architecture decisions: write RFCs, build consensus, and move proposals to outcomes
• Be the go-to person for hard problems
• Work closely with the team lead and engineering leadership on roadmap tradeoffs
• Ship consistently
• Actively develop the technical capabilities of the team
• Serve as a technical mentor and reference point for engineers across the team
• Engage with the open-source community around Supabase CLI: contributors, issues, feedback

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