Senior Software Engineer - Backend (USA Only - 100% Remote)

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United States
Workplace: RemoteFull timeUSD 140,000 - 210,000 annuallyFunction: Software EngineeringExperience: 5-8 yearsSkills: ["Communication","Collaboration","Teamwork","Problem-solving"]

Join a 100% remote, product-focused CRM team to design, build, and scale backend services using Python (Flask) and modern infra. You will collaborate across cross-functional teams to launch user-facing features, enhance AI capabilities, and optimize GraphQL/REST APIs, while handling massive data and high-volume workloads in a fast-paced, distributed environment.

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1 year ago

Senior Software Engineer - Backend (USA Only - 100% Remote)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Join a 100% remote, product-focused CRM team to design, build, and scale backend services using Python (Flask) and modern infra. You will collaborate across cross-functional teams to launch user-facing features, enhance AI capabilities, and optimize GraphQL/REST APIs, while handling massive data and high-volume workloads in a fast-paced, distributed environment.
Location: United States
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Conceiving, designing, building, and launching new user-facing features.
  • •Implementing new AI features to turbocharge our customers’ daily tasks.
  • •Improving the performance and scalability of our GraphQL and REST API.
  • •Improving how we sync millions of sales emails and calendar events each month.
  • •Working with Twilio's API, WebSockets, and WebRTC to improve our calling features.

Pay and Benefits

Salary: USD 140,000 - 210,000 annually
Perks:401kHealth Insurance

Key Requirements

  • •Senior 1 & 2 level candidates should have 5+ years of experience building modern back-end systems.
  • •Staff level candidates should have 8+ years of experience.
  • •Professional Python experience is preferred but a working knowledge of Python with additional experience in other languages is acceptable if you have a desire to work with Python.
  • •You have built web APIs that were Internet facing or supported other high volume loads.
  • •You have hands-on production experience working with MongoDB, PostgreSQL, Elasticsearch, or similar data stores.
Experience:5-8 yearsCRMSaaS
Skills:CommunicationCollaborationTeamworkProblem-solving
Languages:English
Tech Stack:PythonFlaskMongoDBPostgreSQLElasticsearchRedisAWSDockerKubernetesTerraformAnsibleGraphQLRESTTaskTigerWebSocketsWebRTCTwilio

Company Brief

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Close builds a no‑BS CRM and sales platform combining built-in calling, email sync, automation, reporting and coaching to help small businesses and startups accelerate revenue and manage pipelines more efficiently.
Industry: Enterprise Software
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Funding: Seed
Headquarters: San Francisco, United States
Founded: 2013
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