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

As a Senior Software Engineer at Lob, you’ll have deep familiarity with your team’s domain and take ownership of key components within Lob’s software systems. We maintain a culture of high collaboration and psychological safety, with clear ownership and accountability, where individuals can thrive and gain meaningful experience to elevate their career potential.

As a Senior Software Engineer, you’ll…

Contribute to the development of supply chain and logistics solutions.
Own the design and implementation of medium-sized features or services with guidance from staff engineers or technical leads.
Participate in debugging and improving production systems to ensure reliability and performance.
Collaborate with engineers to evaluate tradeoffs, propose solutions, and deliver well-scoped changes .
Collaborate with product and business partners to understand the problems we’re trying to solve.
Provide thoughtful code reviews and help maintain a high engineering bar across the team.
Write documentation for both technical and non-technical audiences.

What will you bring to this role…

4-6 years of experience building production software with Node.js/TypeScript.
Experience with data stores including Redis and relational databases (e.g., Postgres, MySQL), and comfort choosing the right tool for the job.
Experience working with job-queueing systems, such as SQS, Kafka, Kinesis, etc, is a plus.
Experience building or operating services in a cloud environment (AWS or similar).
Experience working with APIs, either through the integration with external APIs or the development of internal APIs.
Experience writing and maintaining unit and integration tests that run in CI pipelines.
Experience using AI-assisted development tools (e.g Cursor, Claude, or similar).
Experience building or supporting systems that render user-facing output (e.g., web UIs, templates, or generated artifacts) is nice to have.
Strong problem-solving skills, attention to detail, and the ability to communicate clearly with technical and non-technical partners.

At Lob, we are looking to #LevelUp and #EmpowerDiversity. We invite you to apply if you possess even some of these:

Eagerness to learn new technologies and solve complex problems.
Experience with debugging applications and identifying issues.
Computer Science, Mathematics, or Engineering degree.

Compensation information

Base: $160,000 - $190,000

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“Lob’s salary ranges are based on market data, relative to our size, industry and stage of growth. Salary is one part of total compensation, which also includes equity, perks and competitive benefits. Salary decisions are based on many factors including geographic location, qualifications for the role, skillset, proficiency and experience level. Lob reasonably expects to pay candidates who are offered roles within the provided salary ranges.”

We offer remote working opportunities in AZ, CA, CO, DC, FL, GA, IA, IL, MA, MD, MI, MN, NE, NC, NH, NJ, NV, NY, OH, OR, PA, RI, TN, TX, UT, and WA, unless specified otherwise in the job description above.

Senior Software Engineer

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