Lob was built by technical co-founders with a vision to make the world programmable. We offer two flagship APIs (print & mail and address verification) that enable companies to send postal mail as effortlessly as sending emails. Lob is venture-backed by the most reputable investors in tech, and we are rapidly growing our team to shape the future of our company and meet the demands of a quickly growing customer base and dynamic product offerings.
About The Role
As a Senior Software Engineer (Contract) 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 (Contract), you’ll...
Contribute to the development of client facing 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 you will 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.
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 (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 partner
Information
Locations Position Open to RemoteIndustry Information TechnologyStatus OpenJob Age 3 Day'sCreated Date 11/04/2026No.of Positions 1Duration 12+ monthsZip Code