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DevOps Engineer
DevOps Engineer automating build, integration, testing, and deployment for .NET/Azure systems serving public sector clients — building CI/CD pipelines, managing version control and artifact repositories, and monitoring Azure resources and costs. 100% remote (US), with Michigan residents going into the Lansing, MI office one day per month.
Senior Software Engineer (Python & Ruby on Rails) (United States)
Senior Software Engineer Platform · Full-Time, Onshore · Remote (United States) · Reports to Lead Engineer About Karias Health Karias is a first-of-its-kind health benefits platform. We combine the financial power of…
Full-Stack Developer
Full-stack developer building and maintaining web applications end-to-end: responsive front-end UIs (React/Angular/Vue, HTML/CSS/JS) plus server-side logic, databases, and APIs (Node.js, Python, Ruby on Rails, or Java). Day-to-day spans testing and debugging, Git workflows, CI/CD deployments, performance optimization, and security best practices.
Ruby on Rails developer - Remoto
Remote Ruby on Rails developer building a SaaS WhatsApp Commerce platform that integrates AI via OpenAI. Day-to-day work involves Rails web apps, Sidekiq/Sequel for process optimization, RSpec testing, advanced PostgreSQL, and REST API development. Salary is paid in US dollars.
Senior Security Engineer, Data Security
Own the data security pillar at consumer fintech Kikoff: define and drive the roadmap for data classification, encryption, tokenization, and least-privilege access controls across AWS, Snowflake, and internal pipelines, while building audit logging that satisfies auditors and regulators. Deep AWS security (IAM, KMS, S3), data-warehouse security, and IaC skills are core.
Senior Software Engineer - Reporting Platform
Senior backend engineer on Smartly's Reporting Platform ('Bobby Tables') team, designing distributed services that ingest and serve tens of billions of advertising data points for fast, flexible performance reporting. Core stack: Ruby, TypeScript, Kafka, ClickHouse, and PostgreSQL/Citus.
Senior Software Engineer
Hands-on senior full-stack engineer at Northwoods who owns SaaS features end to end for Traverse and Grove (case-management software for Health and Human Services agencies): designing data models, building in Ruby on Rails with React/TypeScript, testing, deploying via GitLab, and sharing on-call. Daily AI-assisted development with Claude Code; hybrid role, 3 days in the Dublin, OH office.
Senior Ruby on Rails Developer
Senior back-end developer at Shypple in Rotterdam, owning features end-to-end in their Ruby on Rails API — from domain modelling and database design to endpoints, tests and production rollout — while driving scalability, query/N+1 performance and tech-debt reduction, and mentoring through code review. Salary EUR 70k-95k/year plus equity.
Summer Intern 2027 - Software Development Engineer Intern
A 12-week, full-time on-site software engineering internship at ID.me's Mountain View office, contributing to product and platform teams building user-facing features, API-first services, and AI projects like an LLM chat widget. Expected to know at least one language such as Java, JavaScript, Go, Python, or Ruby, plus CS fundamentals.
Staff Machine Learning Engineer
Hands-on staff-level ML lead at Kikoff, a consumer credit fintech: owns the ML platform and modeling roadmap end to end, spanning underwriting, fraud/risk, and personalization. Day to day: architecting feature stores, training/serving pipelines, and model governance, while personally leading credit underwriting models in Python.
Senior DevSecOps Engineer
A senior engineer focused on DevSecOps who builds security automation into Justworks' CI/CD pipelines (GitHub Actions), golden-path templates, and AWS/Kubernetes platform serving 300+ engineers — SAST/SCA scanning, supply-chain hardening, secrets management, and AI-assisted vulnerability review.
Engineering Manager, Backend - International
Player-coach engineering manager leading a backend team at Justworks (HR/payroll platform for small businesses): mixes hands-on coding with mentoring, hiring, project coordination, and partnering with product/design. Stack includes Golang, Ruby on Rails, MySQL, Kafka, AWS, and Kubernetes; NYC-based hybrid role.
Engineering Manager, Benefits
Leads a team of engineers as a player-coach in Justworks' Benefits organization, coordinating projects, mentoring engineers, and doing hands-on coding to build health, wealth, and international benefits products in a highly regulated space. Stack includes Golang, Ruby on Rails, MySQL, Kafka, and AWS; hybrid out of the NYC office.
Engineering Manager, Growth Expansion
Leads Justworks' Growth Expansion engineering team as a player-coach, mixing hands-on coding with mentoring, hiring, and project coordination to build in-product upsell/cross-sell and customer-nudge features. Core stack: Golang, Ruby on Rails, JavaScript, MySQL, Kafka, and AWS.
Engineering Manager, Product Foundations
Engineering manager who leads and scales a backend engineering pod on Justworks' Product Foundations team (reporting, document management, calendars, communications, org data) as a player-coach — a 50/50 split of people management and hands-on coding — using Go, microservices, Kubernetes, AWS, and event-driven architecture, with a push to apply AI to product features.
Engineering Manager, Tax Compliance
Engineering manager (player-coach) at Justworks leading the Workforce Payments team that builds the core computation layer for payroll, money movement, and tax calculation. Mixes hands-on coding with mentoring, hiring, and roadmap ownership. Stack includes Go, Rails, JavaScript, MySQL, Kafka, and AWS; based in the New York City office.
Senior Software Engineer, Backend - International
Senior backend engineer at Justworks (an HR/payroll platform) who owns large-scoped projects end to end, improving the performance, reliability and scalability of high-volume, fault-tolerant processing systems. Tech stack includes Golang, Ruby on Rails, MySQL, Kafka, AWS and Kubernetes; hybrid role based in the Toronto office.