Software Engineer – Back End

Wonder

. Develop Elixir applications managing order processing, store pacing algorithms, and real-time event handling .

Posted 10/13/2026full-timeBoston • Massachusetts • United StatesJuniorMid-Level💰 $139,500 - $151,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing Elixir applications, managing PostgreSQL databases, and implementing real-time communication protocols. Strong ability to collaborate across teams to enhance automated restaurant systems and ensure reliability in product delivery.

Highest-signal resume keywords

Elixir ProficiencyPhoenix Framework ExperiencePostgreSQL Database ManagementReal-Time Communication UnderstandingAPI Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ElixirPhoenix FrameworkPostgreSQLWebSocketsRESTful APIsGraphQL APIsEvent-Driven ArchitectureDatabase DesignOrder Processing LogicB2B Features Implementation

Soft Skills

Problem-SolvingCollaborationReliability Focus

Industry Keywords

Order ProcessingReal-Time Event HandlingAutomated RestaurantsCloud Event StreamsOn-Call Rotation

Tech Stack

Tools & technologies

CloudElixirGraphQLPostgresPython

About the role

Key responsibilities & impact

Develop Elixir applications managing order processing, store pacing algorithms, and real-time event handling
Champion reliability on the Infinite Kitchen product line
Build and maintain APIs and WebSocket protocols connecting cloud event streams with on-site Python-based robotics applications
Manage and optimize Postgres databases for accurate, low-latency order processing
Design and implement business logic for order prioritization, B2B features, and store-level resource management
Participate in the on-call rotation
Collaborate with frontend, robotics, and QA engineers to ship features affecting automated restaurants

Requirements

What you’ll need

2+ years of professional software development experience
Proficiency in Elixir and the Phoenix framework, or significant experience in other functional languages with a desire to master Elixir
Experience with PostgreSQL and database design
Strong understanding of real-time communication, including WebSockets and Phoenix Channels
Understanding of event-driven architecture
Familiarity with building and consuming RESTful and/or GraphQL APIs
Pragmatic approach to problem-solving
Passion for building reliable, real-world systems
Must not require employment visa sponsorship for this role

Benefits

Comp & perks

Equity
401(k)
Choice of medical, dental, and vision plans
Company paid short and long term disability coverage
Paid time off including flexible time off for exempt employees
Paid vacation for non-exempt employees
Paid sick leave in compliance with applicable law
Paid parental leave
Discounted meals
Exclusive perks across the Wonder family of brands