[All remote jobs](https://jobicy.com/jobs.md)[![Customer.io logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/06/b82146da-221.jpg)](https://jobicy.com/company/customer-io.md)[Customer.io](https://jobicy.com/company/customer-io.md) # Senior Developer Experience Engineer, Integrations AI Summary Customer.io seeks a senior Developer Experience Engineer to lead the development and lifecycle of external SDKs and integration tooling across Android, iOS, Node, and Go. The role combines hands-on software engineering with API design, release infrastructure, automated testing, CI, and customer-focused developer experience. The engineer will independently set technical direction, manage releases, collaborate with product and design, and participate in on-call support. Strong practical use of LLMs and agentic coding tools is central to the position, including safely making and validating changes across unfamiliar codebases.[Apply for this job](#job-application)[View company](https://jobicy.com/company/customer-io.md)ShareRemote from[USA](https://jobicy.com/job-region/usa.md), [Canada](https://jobicy.com/job-region/canada.md), [LATAM](https://jobicy.com/job-region/latam.md)SalaryUSD 150k–200k / yrDepartment[Software Engineering](https://jobicy.com/categories/engineering.md)EmploymentFull TimeExperienceSeniorPublished5 Nov 2026Apply before5 Dec 2026Listing views75Application actions3Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. Opportunity details ## About this role. Hi, I’m Josh, Engineering Manager at [Customer.io](http://customer.io/). We’re looking for a curious, AI-forward Developer Experience Engineer to join our Integrations team and help us build the tools that developers rely on to integrate with [Customer.io](http://customer.io/). ### About [Customer.io](http://customer.io/) Over 9,000 companies – from scrappy startups to global brands – use our platform to send billions of emails, push notifications, in-app messages, and SMS every day. [Customer.io](http://Customer.io) powers automated communication that people actually want to receive. We help teams send smarter, more relevant messages using real-time behavioral data. Under the hood: Go, React, Ember and AI help us ship fast and scale with confidence. ### What We Value Ownership You own problems end to end. You move fast, act like an owner, and thrive in ambiguity. You’ve led complex projects before, whether officially or not, and you’re ready to do it again. Engineers with product taste You think like a developer using your tools, not just an engineer building them. You care about API design, developer experience, and everything in between. A healthy skepticism for “the way things are done” You bring rigor and creativity. Best practices matter – but never more than forward motion. ### What You’ll Do * Build and evolve [Customer.io](http://Customer.io)‘s SDKs across platforms – including Android, iOS, Node, and Go – and the developer tools that support them * Lead SDK initiatives end to end: set technical direction, write the code, manage the release, and own the outcome * Improve SDK delivery infrastructure – CI, automated testing, versioning, publishing, and release processes – so shipping is reliable and low-friction * Partner closely with product and design to turn loosely defined goals into a great developer experience * Participate in an on-call rotation as required, supporting the reliability of the systems you build * Use AI agents to make multi-file changes across unfamiliar codebases and languages by scoping the work, writing the prompt, and verifying the output * Bring strong customer empathy to the role – understanding what the engineers integrating with our SDKs actually need, and occasionally engaging directly with them ### What we’re looking for * Expert-level competency in at least one established programming language, with strong software design and API design fundamentals * Experience building and evolving mature, production-quality software, with a clear understanding of how systems fit together and how other developers consume them * Exceptional fluency with current LLMs and agentic coding tools (e.g., Claude, Cursor, Codex) – using AI to understand unfamiliar codebases, work across languages, and run things in parallel or autonomously * High autonomy in ambiguous environments – you clarify the problem, validate its value, and drive implementation without close direction * Strong written and verbal communication, with the ability to explain technical decisions and tradeoffs clearly * Ability to work effectively across multiple languages and stacks; prior experience in every language we support (Swift, Kotlin, Node, Go) is not required Nice to have: experience building external-facing SDKs, APIs, or developer tools; experience owning CI, testing, versioning, or release infrastructure; or forward-deployed engineering experience. ### Compensation & Benefits We believe in transparency. Starting salary for this role is $150,000 – $200,000 USD (or equivalent in local currency) depending on experience and subject to market rate adjustment. In addition to base salary, this role includes an equity grant in the form of stock options, so you share in the success you help build. We know our people are what make us great, and we’re committed to taking great care of them. Our inclusive benefits package supports your well-being and growth, including 100% coverage of medical, dental, vision, mental health, and supplemental insurance premiums for you and your family. We also offer 16 weeks paid parental leave, unlimited PTO, stipends for remote work and wellness, a professional development budget, and more. [See full benefits here →](https://customer.io/careers#:~:text=our%20collective%20success.-,BENEFITS,-Our%C2%A0) ### Our Process No gotchas, no trick questions – just a clear, human process designed to help both of us make an informed decision. * Application – We review everyone with care. Tell us why you’re interested. * Recruiter Call (30 mins) – Let’s chat about what you’re looking for and how we work. * Hiring Manager & AI Skills Interview (60 mins) – We’ll explore ownership, autonomy, and collaboration, then dig into how you actually use AI in your day-to-day workflow. * Practical AI-Enabled Coding Round (60 mins) – A live, collaborative session where you’ll extend a sample SDK using AI tools. Wwe want to see how you think and work with AI as part of your process. All final candidates will be asked to complete a background check and employment verifications as part of our pre-employment process. [Customer.io](http://Customer.io) recognizes the stifling impact of systemic injustice on diverse communities. We commit to using our influence to increase inclusion and equity within the tech industry. We strive to build an inclusive team culture, implement bias-free hiring practices, and develop community partnerships to expand our global impact. Zoom is the only video conference platform that we use, virtual interviews will be conducted using the video capability (i.e., not via the chat), and offers will be extended in writing on official [Customer.io](http://customer.io/) letterhead. Please be vigilant in all of your job search activity, and if you have any questions please contact [jobs@customer.io](mailto:jobs@customer.io). ### Join us! We believe in empathy, transparency, responsibility, and, yes, a little awkwardness. If you’re excited by what you read and want to build software that makes communication better for everyone—apply now. Show more [Apply now >](https://jobicy.com/jobs/159207-senior-developer-experience-engineer-integrations.md) * ![Upload CV](data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI2NSIgaGVpZ2h0PSI2NSIgZmlsbD0ibm9uZSIgeG1sbnM6dj0iaHR0cHM6Ly92ZWN0YS5pby9uYW5vIj48ZyBjbGlwLXBhdGg9InVybCgjQSkiPjxwYXRoIGQ9Ik0wIDBINjVWNjVIMFYwWiIgZmlsbD0iIzAyOWFlYiIvPjxnIGZpbGw9IiNmZmYiIHN0cm9rZT0iI2ZmZiIgc3Ryb2tlLXdpZHRoPSIyIj48cGF0aCBkPSJNMzMuMDQ5IDE1LjQ1NGExLjQzIDEuNDMgMCAwIDAtMi4wOTcgMGwtNy41NzkgOC4xNDdhMS4zOCAxLjM4IDAgMCAwIC4wOSAxLjk3MyAxLjQ0IDEuNDQgMCAwIDAgMi4wMDgtLjA4OGw1LjEwOS01LjQ5MnYyMC42MWExLjQxIDEuNDEgMCAwIDAgMS40MjEgMS4zOTdjLjc4NSAwIDEuNDIxLS42MjUgMS40MjEtMS4zOTd2LTIwLjYxbDUuMTA5IDUuNDkyYTEuNDQgMS40NCAwIDAgMCAyLjAwOC4wODggMS4zOCAxLjM4IDAgMCAwIC4wOS0xLjk3M2wtNy41NzktOC4xNDZ6TTE2Ljc2OSAzOC40YzAtLjc3My0uNjItMS40LTEuMzg1LTEuNFMxNCAzNy42MjcgMTQgMzguNHYuMTAybC4yMTUgNi4yMjljLjIyMyAxLjY4LjcwMSAzLjA5NSAxLjgxMyA0LjIxOHMyLjUxIDEuNjA3IDQuMTcyIDEuODMzYzEuNi4yMTggMy42MzYuMjE4IDYuMTYuMjE4aDExLjI4bDYuMTYtLjIxOGMxLjY2Mi0uMjI2IDMuMDYxLS43MDkgNC4xNzItMS44MzNzMS41ODktMi41MzggMS44MTMtNC4yMThDNTAgNDMuMTEzIDUwIDQxLjA1NSA1MCAzOC41MDNWMzguNGMwLS43NzMtLjYyLTEuNC0xLjM4NS0xLjRzLTEuMzg1LjYyNy0xLjM4NSAxLjRsLS4xOSA1Ljk1OGMtLjE4MiAxLjM3LS41MTUgMi4wOTUtMS4wMjYgMi42MTJzLTEuMjI4Ljg1My0yLjU4MyAxLjAzOGMtMS4zOTUuMTktMy4yNDMuMTkzLTUuODkzLjE5M0gyNi40NjJjLTIuNjUgMC00LjQ5OC0uMDAzLTUuODkzLS4xOTMtMS4zNTUtLjE4NC0yLjA3Mi0uNTIxLTIuNTgzLTEuMDM4cy0uODQ0LTEuMjQyLTEuMDI2LTIuNjEyYy0uMTg3LTEuNDEtLjE5MS0zLjI3OS0uMTkxLTUuOTU4eiIvPjwvZz48L2c+PGRlZnM+PGNsaXBQYXRoIGlkPSJBIj48cGF0aCBmaWxsPSIjZmZmIiBkPSJNMCAwaDY1djY1SDB6Ii8+PC9jbGlwUGF0aD48L2RlZnM+PC9zdmc+) ### Upload your resume now To unlock remote work opportunities and be discovered by global employers. This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 5/5EasyHard ### Pace & Pressure 4/5RelaxedFast-paced ### Autonomy Level 5/5GuidedFull ownership ### Communication Load 4/5IndependentCollaborative AI insightThis is a senior, cross-platform engineering position requiring ownership of public SDKs, release reliability, API quality, and production outcomes. It also demands effective AI-assisted development across multiple languages and the ability to make sound decisions in ambiguous situations. ## Salary analysis Estimated compensation compared with the broader US market for similar roles. Estimated job median (per year)Market rate$175,000US market range (per year)$150k–$210k0$231.00k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. The employer discloses a base salary range of $150,000–$200,000 USD. The annual cadence is inferred from the compensation level and senior US-oriented software engineering context; estimated annual market pay is $150,000–$210,000 USD. ## Core skills Skills and capabilities most closely associated with this opportunity. [Software engineering](https://jobicy.com/jobs?search_keywords=Software%20engineering.md)[SDK development](https://jobicy.com/jobs?search_keywords=SDK%20development.md)[API design](https://jobicy.com/jobs?search_keywords=API%20design.md)[Developer experience](https://jobicy.com/jobs?search_keywords=Developer%20experience.md)[Go](https://jobicy.com/jobs?search_keywords=Go.md)[Node.js](https://jobicy.com/jobs?search_keywords=Node.js.md)[Swift](https://jobicy.com/jobs?search_keywords=Swift.md)[Kotlin](https://jobicy.com/jobs?search_keywords=Kotlin.md)[CI/CD](https://jobicy.com/jobs?search_keywords=CICD.md)[Automated testing](https://jobicy.com/jobs?search_keywords=Automated%20testing.md)[Release management](https://jobicy.com/jobs?search_keywords=Release%20management.md)[Versioning](https://jobicy.com/jobs?search_keywords=Versioning.md)[LLM agents](https://jobicy.com/jobs?search_keywords=LLM%20agents.md)[On-call support](https://jobicy.com/jobs?search_keywords=On-call%20support.md) Sample interview questionsHow would you approach evolving a public SDK without breaking existing customer integrations?I would begin by reviewing usage patterns, API contracts, semantic-versioning commitments, and backward-compatibility risks. I would favor additive changes, provide clear migration paths and deprecation windows, add compatibility tests, and publish release notes with practical upgrade examples. Describe how you would improve an unreliable SDK release process. I would map the current pipeline from commit through publishing, identify manual steps and failure points, then automate validation, versioning, artifact generation, and publishing. I would add reproducible builds, platform-specific test coverage, release checklists, observability, and a rollback or hotfix procedure. How do you use AI coding agents safely when working in an unfamiliar multi-language codebase? I scope the task into verifiable increments, give the agent relevant repository context and explicit constraints, and review every generated change. I validate results through tests, static analysis, builds, targeted manual checks, and comparison against established project conventions before merging. What makes an API or SDK pleasant for developers to use? A good developer experience has consistent naming, predictable behavior, useful defaults, clear errors, stable contracts, concise documentation, and examples that solve realistic problems. I also value fast feedback loops, strong typing where appropriate, and telemetry or debugging tools that make integration issues easy to diagnose. How would you balance technical quality with delivery speed for a loosely defined SDK initiative? I would clarify the user problem and success criteria first, then define a smallest useful release with explicit technical guardrails. I would communicate tradeoffs early, ship iteratively with instrumentation and customer feedback, and reserve architectural investment for risks that materially affect reliability, maintainability, or future adoption. Next step ## Apply now. Follow the employer’s application method and review Jobicy’s safety guidance before sharing personal information. 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