Frontend Engineer

• Build ad experiences and create patterns for Reddit’s web app that enhance ads’ performance and functionality
• Collaborate across product, design, and engineering teams to innovate and implement sophisticated solutions for complex challenges
• Engage in the full development cycle: design, develop, QA, experiment, analyze, and deploy

Frontend Engineer building interactive ad formats for Reddit’s community platform

Frontend Engineer, Ads

Frontend Engineer building high-impact, interactive ad formats for Reddit’s community platform. Developing responsive web experiences and AI-driven advertising solutions at scale.

Full-stack Engineer

• Architect and implement performant, scalable, and reliable backend systems primarily in Rails and Go
• Identify and extract well-scoped capabilities from existing Rails systems, designing clear interfaces and incremental migration paths
• Design reliable data flows between backend services and BigQuery and Snowflake warehouses
• Lead complex initiatives from discovery and technical design through implementation, rollout, monitoring, and iteration
• Break work into executable pieces, clarify sequencing and ownership, and track risks and dependencies
• Partner with Product, Design, QA, Data, Platform, and engineering teams across domains
• Diagnose and resolve performance bottlenecks, optimize database queries, and improve backend resilience
• Propose and drive architectural decisions and communicate technical recommendations
• Mentor engineers through code reviews, pairing, design discussions, and technical guidance
• Improve code quality, testing, observability, deployment, and operational ownership
• Participate in the on-call rotation, root cause analysis, and long-term reliability improvements

Senior engineer building scalable Ruby on Rails social systems for PrizePicks’ daily fantasy sports platform

Senior Software Engineer, Ruby on Rails

Senior engineer building scalable Ruby on Rails and Go backend services for PrizePicks’ daily fantasy sports platform. Owning social features, architecture, reliability, and technical delivery.

• Perform programming, development, integration, and system administration assignments without close supervision
• Design, code, test, and debug high-complexity programs
• Configure and customize high-complexity purchased software solutions
• Provide project management, programming, systems, and/or system administration leadership, guidance, and assistance to team members
• Identify and resolve complex application and technical problems, including off-shift and weekend support calls as needed
• Work independently on complex processes and modules used across programs, systems, or infrastructure change management
• Develop major system modules, programs, or infrastructure releases based on customer requirements
• Perform integrated testing and customer acceptance testing of system components
• Perform integration tasks for in-house systems and/or purchased hardware and software solutions
• Assist customers with documentation, training, and usability efforts
• Maintain knowledge of programming languages, system analysis, testing, debugging, documentation standards, file design, storage, and internal systems
• Participate in Agile/Scrum ceremonies including Daily Standups, Sprint Planning, Grooming, Retrospectives, and Demos
• Engage in PR reviews and collaborate with other teams

Senior Java/AWS engineer building cloud software for Fortune 100 systems

Senior Software Engineer – Java/AWS

Senior Java/AWS engineer developing and maintaining complex cloud, mobile, web, and server systems for a Fortune 100 company. Leading Agile delivery, testing, integrations, and technical problem resolution.

• Design and develop backend RESTful API web services using microservices architecture
• Oversee and mentor other developers and conduct code reviews
• Act as team leader for development and support groups, providing programming and technical leadership, guidance, and assistance to other team members
• Work directly on complex application and technical problem identification and resolution
• Drive application development focused on delivering valuable business features
• Maintain high standards of software quality by establishing good practices and habits within the team
• Guide the team in developing structured application/interface code, new program documentation, operations documentation, and user guides in a flexible environment
• Lead development of new functionality and applications on cross-functional Agile project teams

Senior Software Engineer building Java/AWS microservices for Fortune 100 company DSN

Senior Software Engineer – Java/AWS Backend

Senior Software Engineer building Java/Spring Boot REST APIs and AWS microservices for Fortune 100 company DSN. Leading developers, code reviews, and Agile feature delivery.

Software Engineer

• Lead the development, deployment, and management of SIM tooling services aligned with VHA's strategic goals and business needs.
• Oversee integration and optimization of Microsoft 365 and Azure ecosystem tools, including Power Platform, SharePoint, and Dynamics 365.
• Develop and implement DevOps practices using Azure DevOps for automation, infrastructure management, and CI/CD.
• Utilize SQL database management to ensure robust data handling and integrity within VHA IT systems.
• Collaborate with VHA leadership and project teams to align tooling solutions with strategic objectives.
• Provide regular reports to executive leadership on project outcomes, risk assessments, and future opportunities.
• Ensure compliance with IT governance and contribute to budgeting, Multi-Year Planning (MYP), and VHA/VA requirements.

Microsoft tooling manager optimizing Veterans Health Administration operations with Power Platform and Azure

Tooling Developer

Microsoft tooling manager leading Power Platform, Azure, and DevOps services for Veterans Health Administration operations. Improving IT governance, data management, and strategic decision-making.

• Design and develop scalable, high-performance web applications using React, Next.js, and Express
• Own architectural decisions and articulate the reasoning and tradeoffs behind them
• Integrate AI and LLM-powered features into production applications with attention to reliability and user impact
• Collaborate with product managers and stakeholders to shape technical requirements
• Diagnose and resolve complex bugs across the full stack
• Champion engineering best practices and help define team workflows
• Mentor engineers and conduct thorough code reviews
• Work with customer feedback to shape product experiences

Senior Full Stack Engineer building AI-powered sports organization software at Fastbreak AI

Senior Software Engineer

Senior Full Stack Engineer building React, Next.js, and Node.js applications at Fastbreak AI. Shaping AI-powered product architecture for sports organizations.

• Independently develop website architecture for small to mid-sized projects
• Deploy and author code for cloud infrastructure and software components on the Azure platform
• Design and implement moderately complex user interactions on web pages
• Develop and optimize back-end website applications with minimal supervision
• Create and manage databases to support application functionality
• Ensure cross-platform optimization and application responsiveness
• Lead small projects through the full software development lifecycle (SDLC)
• Design and develop basic APIs and support their integrations
• Participate in team discussions, sprint planning, and story refinement sessions
• Document technical solutions, implementations, and acceptance criteria
• Collaborate with Quality Assurance to ensure adequate test coverage
• Conduct code reviews and provide constructive feedback to peers
• Mentor and support Software Engineer I team members
• Guide user stories through SDLC phases with oversight

Software engineering team lead building Azure applications for home-care services provider

Software Engineering Team Lead

Software engineering team lead developing Azure cloud and web applications for a home- and community-based care provider. Leading SDLC projects, APIs, databases, code reviews, and junior engineer mentoring.

• Build and scale Clever Benefits’ platform
• Develop and maintain features across the React web app, React Native mobile app, backend services, and AWS infrastructure
• Design, implement, and maintain production-ready full stack features end to end
• Work closely with the small engineering team

Senior full stack engineer building Clever Benefits’ React, mobile, backend, and AWS platform

Senior Full Stack Software Engineer, React, React Native, Node, AWS

Senior full stack engineer building Clever Benefits’ React, React Native, Node.js, and AWS platform. Owning production features end to end within a hybrid North Scottsdale engineering team.

• Design, develop, and maintain scalable, high-performance applications using Node.js, TypeScript, and C#
• Work on complex software features and projects with minimal supervision
• Make technical decisions and provide architectural input
• Implement and optimize RESTful APIs and microservices
• Use React, Angular, or Vue to create dynamic and responsive user interfaces
• Design and implement databases and database transaction layers
• Collaborate with UI/UX and product teams to understand customer desires and determine feasibility
• Document development progress using Git, Jira, and Confluence
• Lead code reviews and ensure high coding standards
• Guide junior engineers on best practices and implementation patterns
• Stay current with emerging technologies, frameworks, and full-stack development practices
• Travel up to 20%

Software Engineer III building full-stack applications for TheIncLab’s defense and aerospace AI solutions

Software Engineer III

Software Engineer III building full-stack applications and prototypes for TheIncLab, a human-centered AI lab serving defense and aerospace. Designing APIs, interfaces, databases, and microservices.

• Develop software prototypes for prospective customers and build internal software products
• Design, develop, and maintain scalable, high-performance applications using Node.js, TypeScript, Rust, and C#
• Work on software features and projects with minimal supervision
• Provide technical input and follow architectural direction
• Implement and optimize RESTful APIs and microservices
• Create dynamic and responsive user interfaces with React, Angular, or Vue
• Implement and utilize databases and database transaction layers
• Collaborate with UI/UX and product teams to understand customer needs
• Document development progress using Git, Jira, and Confluence
• Participate in peer code reviews
• Stay current with emerging technologies, frameworks, and full-stack development best practices
• Travel up to 15%

Software Engineer II building AI-enabled defense and aerospace applications for TheIncLab

Software Engineer II

Software Engineer II developing full-stack prototypes and internal products for TheIncLab, a human-centered AI lab. Building scalable applications for defense and aerospace challenges.

• Design, build, and maintain integrations using Workato.
• Join a large enterprise integration team supporting the client.
• Work closely with and support engineers based in Japan.
• Contribute to the design, implementation, and optimization of cloud infrastructures.
• Participate in projects with clients across LATAM and the United States.

Integration Developer building Workato enterprise integrations for DaCodes’ software transformation clients

Integration Developer – Workato

Integration Developer building Workato integrations for DaCodes’ enterprise clients. Supporting Japan-based engineers with APIs, authentication, and identity-management systems.

• Write, own, and ship production backend services and control frameworks operating and calibrating neutral atom quantum computers
• Debug and support every layer of the control stack, from real-time embedded kernels to distributed services
• Build tooling enabling physicists and hardware engineers to run experiments independently
• Develop and maintain CI/CD pipelines
• Maintain containerized deployments using Docker and Kubernetes
• Develop and maintain Python packages with C++ or Rust extensions in a Linux-native environment
• Work with experimental data, including time-series data, SQL and non-relational databases, realtime image analysis, and object detection from live quantum systems
• Work directly with physicists and hardware engineers to translate scientific requirements into software controlling real quantum machines
• Spend approximately 90% of the role writing and owning code

Senior Software Engineer building control software for Infleqtion’s atom-based quantum computers

Senior Software Engineer, Quantum Computing

Senior Software Engineer building production control software for Infleqtion’s atom-based quantum computers. Developing backend services, CI/CD, and experimental data tools with physicists and hardware engineers.

• Write client-side interfaces using JavaScript/React and TypeScript, and server-side functionality using Ruby/Rails, Elixir/Phoenix, or NodeJS
• Drive the creation, shipping, and maintenance of capabilities across the Opal Platform
• Use AI-assisted development tooling effectively in day-to-day work
• Review AI-generated code for correctness, test coverage, and maintainability
• Participate in the entire product creative process, including design meetings, technical architecture decisions, and implementation
• Collaborate with Engineering, Product, and Design teams
• Develop APIs, web applications, and microservices powering the Opal Platform
• Write and ship JSON:API-compliant API endpoints with test coverage and shared OpenAPI contracts
• Use Docker, Redis, Postgres, and ElasticSearch to build scalable, maintainable applications
• Help scope projects and plan for the future at the intersection of Product and Engineering

Software Engineer building Opal’s marketing collaboration platform with React, TypeScript, and backend services

Software Engineer building Opal’s marketing collaboration platform with React, TypeScript, and backend services. Shipping APIs, microservices, and AI-assisted product capabilities.

Backend Engineer

• Design, build, and operate APIs and backend services that bring frontier model capabilities to developers
• Partner with Research, Safety, Codex, and API teams to define API behavior and deliver safe, staged launches
• Build API capabilities for agent workflows, including task delegation, context sharing, and parallel execution
• Strengthen long-running request reliability across timeouts, cancellation, streaming, and background execution
• Improve request-processing performance and tail latency through profiling, efficient systems code, and persistent connections
• Turn developer feedback and production failures into better observability, diagnostics, and lasting product improvements

Backend engineer building reliable Responses API services for OpenAI’s AI products

Software Engineer, API Frontiers

Backend engineer building reliable Responses API services for OpenAI’s AI research and deployment products. Designing agent workflows, improving latency, and operating distributed backend systems.

• Design and build complex Java platform features end-to-end, from technical design through release
• Write secure, high-quality, well-tested production code
• Author Technical Design Documents and provide architecture recommendations
• Review code for correctness, test quality, and architectural fit
• Design testing approaches and write end-to-end tests for critical paths
• Diagnose and fix multithreaded and concurrency issues
• Handle complex customer issues, including participation in an off-hours on-call rotation
• Optimize database queries using indexes and constraints
• Apply least-privilege principles and understand timing attacks and encryption basics
• Use LLMs for code review assistance, documentation drafting, and refactoring
• Identify technical debt and propose roadmap focus areas
• Present designs and technical tradeoffs to Product, DevSuccess, and Support
• Influence technical decisions and support or lead architecture knowledge-sharing sessions
• Join customer calls regarding technical topics and complex integrations
• Write clear documentation for shipped features
• Report to the Engineering Manager

Senior Java Engineer building FusionAuth’s customer identity and access management platform

Senior Software Engineer, Java

Senior Java Engineer building FusionAuth’s customer identity and access management platform. Designing secure features, protocols, and integrations across cloud and self-hosted deployments.

• Design, build, and maintain AI-driven workflows that automate real business processes, including LLM integration, MCP servers, agentic pipelines, and automated operations tooling
• Own technical execution end-to-end, guided by product direction
• Own monitoring, incident triage, backend production issues, cloud resource management, and back-office support for the field operations team
• Manage and evolve cloud infrastructure, keeping systems running, scaling infrastructure, and building maintainable infrastructure
• Contribute across the stack by debugging front-end issues, supporting releases, and handling work outside a defined lane
• Proactively communicate with operations leads, commercial teams, and external partners
• Explain technical decisions, business impact, and tradeoffs to non-engineering stakeholders

Software Engineer building AI automation and cloud infrastructure for JOLT’s EV charging and advertising business

Software Engineer building AI-driven automation, cloud infrastructure, and operational systems for JOLT’s EV charging and out-of-home advertising business. Contributing across the stack and supporting cross-functional partners.

• Assist in the design, development, and testing of software applications for aerospace systems
• Collaborate with cross-functional teams to gather requirements and implement software solutions
• Participate in code reviews
• Contribute to continuous improvement of software development processes
• Report directly to the Sr Engineering Manager
• Travel up to 10%

Software Engineer I developing aerospace software for Honeywell Aerospace

Software Engineer I

Software Engineer I developing and testing software for Honeywell Aerospace’s aviation systems. Collaborating with engineering teams on innovative aerospace technologies.

• Configure and manage Algolia search indices for enterprise applications
• Implement advanced search features including relevance tuning, faceting, and personalization
• Integrate Algolia into web and mobile platforms
• Monitor search analytics and continuously improve search performance
• Collaborate with product and IT teams to align search functionality with business needs
• Document configurations and provide training/support

Algolia developer optimizing AI search integrations for enterprise applications

Algolia Integration Developer

Algolia developer configuring and optimizing AI search for enterprise applications. Integrating search across web and mobile platforms and improving relevance and performance.

• Create, develop, deploy, and maintain Tilled services
• Design and implement highly reliable, fault tolerant systems
• Collect and visualize detailed telemetry data to continuously improve systems
• Advance and adhere to high-quality coding practices, including unit testing and pair programming
• Take end-to-end responsibility for continuously monitoring and improving created services
• Promote an engineering team culture that is always learning, motivated, and collaborative
• Work with TypeScript, Angular, NodeJS, and Postgres
• Work directly with the Director of Engineering
• Contribute across the entire technology stack

Senior Software Engineer building reliable payment infrastructure for Tilled’s embedded-payments platform

Senior Software Engineer building reliable, fault-tolerant services for Tilled’s Payfac-as-a-Service platform. Owning systems end to end across TypeScript, Node.js, Angular, and Postgres.

• Develop small commercial HVAC, controls, connected building, digital, service, and turnkey solutions using Trane equipment, controls, and services
• Partner with Account Managers to identify and develop profitable, executable opportunities across national owner-direct accounts
• Assist in project scoping, concept development, solution validation, and preliminary design
• Support project budgets, subcontractor and independent service provider RFQs, scope statements, schedules, specifications, and milestone dates
• Coordinate with independent service providers and internal stakeholders on executable project plans
• Provide technical and solution-development support for Trane business pursuits
• Participate in strategic account planning and job acquisition efforts
• Manage conceptual site plans and preliminary engineering documents through turnover to execution teams
• Improve project development processes across digital, service, and turnkey offerings
• Support secured customers from project development through transition to operations or execution teams
• Drive customer satisfaction, account growth, and long-term relationship development
• Create repeatable customer value through service, modernization, digital expansion, and turnkey opportunities
• Travel as required and perform other assigned duties

Project Developer creating HVAC and building solutions for Trane Technologies

Project Developer

Project Developer developing HVAC, controls, digital, service, and turnkey solutions for Trane Technologies. Supporting national accounts from opportunity identification through project handoff.

Software Engineer jobs in United States

See all jobs on JobTailor

Frontend Engineer, Ads

Senior Software Engineer, Ruby on Rails

Senior Software Engineer – Java/AWS

Senior Software Engineer – Java/AWS Backend

Tooling Developer

Senior Software Engineer

Software Engineering Team Lead

Senior Full Stack Software Engineer, React, React Native, Node, AWS

Software Engineer III

Software Engineer II

Integration Developer – Workato

Senior Software Engineer, Quantum Computing

Software Engineer

Software Engineer, API Frontiers

Senior Software Engineer, Java

Software Engineer

Software Engineer I

Algolia Integration Developer

Senior Software Engineer

Project Developer