Senior Software Engineer

Lob

17h•$170,000 - $195,000•Remote

About The Position

Lob was founded in 2013 by technical co-founders with a vision to connect the world one mailbox at a time. Today, we're transforming the way businesses use direct mail and bringing the power of technology to a traditionally manual channel. Our modern logistics and fulfillment engine helps businesses to build and scale high-quality, personalized direct mail programs without the operational burden. As we grow to meet the evolving needs of our customers and expand our product offerings, we’re building a team to shape the future of direct mail. Senior Software Engineer - Billing As a Software Engineer at Lob, you’ll contribute to several applications related to Billing using primarily Node.js, Go, and Vue.js. You’ll work in a Service-Oriented Architecture with resources on AWS, leveraging SQS queues and Lambda functions. We maintain a culture of high collaboration, psychological safety, and performance where individuals can thrive and gain meaningful experience to elevate their career potential.

Requirements

4–8 years as a software engineer (senior-level preferred).
Strong experience with Node.js and/or Go; familiarity with Vue.js or similar frontend frameworks.
Experience with relational DBs such as Postgres, MySQL, or SQL Server, and familiarity with NoSQL/kv stores such as Redis.
Experience with job/queueing systems (SQS, Kafka, Kinesis, or similar).
Strong background building and operating RESTful and RPC-style APIs and integrating third-party APIs.
Familiarity with unit and automated testing frameworks and test-driven development practices.
Practical experience using AI-assisted development tools for code generation, test creation, debugging, documentation, or developer productivity, plus an understanding of risks and mitigations.
Strong problem-solving, attention to detail, and clear written and verbal communication.
Demonstrated ability to take end-to-end ownership of features and services in production.
Hands-on experience with Terraform, CloudFormation, or other IaC.
Experience with metrics, distributed tracing, and centralized logging tools.
Experience optimizing high-throughput, latency-sensitive workloads.

Nice To Haves

Eagerness to learn new technologies and solve complex problems.
Experience with debugging applications and identifying issues.
Since great engineers come from a variety of backgrounds, it doesn’t particularly matter if you have a specific degree—we want to hear about your contributions in a real-world setting.

Responsibilities

Contribute to the development of billing and payments solutions.
Collaborate with other engineers to develop solutions for business cases.
Build and maintain integrations with internal and external payment and accounting systems.
Build resilient, observable services running on AWS using SQS, Lambda, and related infrastructure; own runtime reliability and incident response for services you ship.
Partner with product, finance, and cross-functional engineering teams to translate business requirements into technical solutions.
Drive adoption of automated tests, CI/CD, and robust deployment practices.
Write clear technical design docs and user-friendly operational runbooks for both technical and non-technical stakeholders.
Coach and mentor engineers, contribute to hiring, and help raise the team’s engineering standards.
Leverage AI-assisted development tools and techniques to accelerate coding, testing, documentation, and debugging while applying best practices for responsible and secure AI use.