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Company

Close · 1 day ago

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

United States

Full-time

Remote

Mid, Senior Level, Lead/Staff

$140K/yr - $210K/yr

8+ years exp

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CRMDatabase

Growth Opportunities

H1B Sponsor Likely

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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

Building user-facing analytics features that provide actionable insights based on sales activity data

Improving our Elasticsearch-backed powerful search features

Improving our internal messaging infrastructure using streaming technologies like Kafka and Redis

Building new and enhancing existing integrations with other SaaS platforms like Google’s G Suite, Zapier, and web conferencing providers

Enhancing our web app with real-time updates powered by GraphQL Subscriptions

Leveraging the latest AI LLMs from providers like OpenAI, Groq and AssemblyAI

Help manage our ever growing data processing needs…

Billions of Mongo documents

Millions and millions of rows of PostgreSQL data

55 Terabytes of logs / month

500 billion OTEL spans over the last 30 days

10+ million events / day

Tens of thousands of docker containers

7 million minutes of call recordings / month

Petabytes / month of network traffic

Qualification

Find out how your skills align with this job's requirements. If anything seems off, you can easily click on the tags to select or unselect skills to reflect your actual expertise.

PythonMongoDBPostgreSQLElasticsearchAWSDockerKubernetesCI/CDTerraformAnsibleREST APIGraphQLWebSocketsTaskTigerSocketSharkLimitLionCiso8601B2B SaaSKafkaRedisTwilio APIAsynchronous communicationCode reviewsDebuggingOptimizing systems

Required

5+ years of experience building modern back-end systems for Senior 1 & 2 level candidates; 8+ years for Staff level candidates; ~3 years for Mid-level candidates.

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.

You have experience designing, scaling, debugging, and optimizing systems to make them fast and reliable.

You have participated in code reviews and provided overall code quality suggestions to help maintain the structure and quality of the codebase.

You care about the craftsmanship of the code and systems you produce.

Located in the USA (lower 48 timezones).

Preferred

Contributed open source code related to our tech stack.

Led small project teams building and launching features.

Built B2B SaaS products.

Implemented features that leveraged AI to deliver unimaginable new product capabilities.

Worked with complex architectures that support multiple APIs (e.g. REST, GQL, WebSockets) as well as async task and event processing frameworks.

Benefits

5 weeks PTO + Winter & Summer Holiday Breaks with 2 additional PTO days for every year with the company

1 month paid sabbatical every 5 years

Paid parental leave

Medical, Dental, Vision with HSA option (US residents)

401k matching at 6% (US residents)

Dependent care FSA (US residents)

Company

Close

Glassdoor

4.7

A CRM for startups and small businesses with built-in sales communication tools.

Founded in 2011

Palo Alto, California, USA

51-200 employees

https://www.close.com

H1B Sponsorship

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2021 (1)