Littelfuse is one of america’s best mid-sized companies (forbes) and has been named one of the best places to work in illinois (best companies group) for 11 consecutive years. With its global headquarters in chicago, illinois, usa, littelfuse is a leading, global manufacturer of electronic components serving more than 100,000 end customers across industrial, transportation, and electronics end markets. We have more than 17,000 employees with operations in 15 countries. From semiconductors to sensors, switches to fuses and more, we produce billions of electronic components that help our customers empower a sustainable, connected, and safer world. In 2021, littelfuse had net sales of $2.1 billion.
about your job
as a full-stack senior software developer, you will be responsible for implementing designs, developing, testing, and maintaining web‑based application systems. You will troubleshoot and solve complex software issues, research technical problems, and make suggestions for improvements in our web applications. You will analyze and integrate new web technologies with existing applications to improve design, reliability, and functionality.
key responsibilities
* full‑stack delivery across .net (c#, mvc) back end and next.js/react front end; build restful/json apis and ui components with strong attention to performance and accessibility.
* sitecore 10 engineering – content models, pipelines, configurations, packaging; partner with content and marketing teams on publishing workflows.
* aws cloud: design, implement, and operate workloads using lambda, sns, sqs, s3, api gateway, and vpc networking; apply iam least‑privilege and logging/monitoring via cloudwatch.
* api integrations: design, test, and consume internal/external apis; validate with postman.
* containers & dev environments: build and run services in docker (kubernetes experience a plus); standardize local dev and environment parity.
* collaboration: daily stand‑ups, sprint planning, code reviews, and frequent pairing for knowledge transfer.
about you
* 5+ years professional software development (or equivalent) with .net (c#, mvc) and javascript/typescript stacks; next.js/react experience.
* aws cloud experience with lambda, sns, sqs, s3, api gateway, vpc.
* api integration experience (design/consumption of rest apis), strong postman skills for building collections and tests.
* docker for local and pipeline builds; solid git expertise (branching strategies, pull requests, code reviews).
* advanced excel (formulas & data analysis) for ad‑hoc data validation, release readiness checks, and operational reporting.
* demonstrated strength in troubleshooting complex, cross‑system issues (logs, metrics, traces); clear written documentation.
* experience working in agile teams and with jira (or equivalent ticketing system).
* english proficiency with strong verbal and written communication.
* bachelor’s or university degree in computer science, engineering, or related field (or equivalent experience).
* advanced problem‑solving skills; able to decompose ambiguous problems into deliverable iterations.
nice to have
* sitecore 10 hands‑on experience is a plus – covering solution structure, content templates, packaging, and deployments/rollbacks.
* digital asset management system, administration, or integration experience.
* product information management system.
* experience with observability (cloudwatch dashboards/alarms, log queries, synthetic checks).
* familiarity with content operations and asset pipelines (taxonomy, metadata governance).
* highly organized with strong attention to detail; able to create repeatable playbooks and knowledge‑transfer assets.
* high level of verbal and written communication; comfortable collaborating with cross‑functional partners (content, marketing, operations).
* ownership mindset, continuous improvement orientation, and commitment to secure coding practices.
we are an equal opportunity employer that takes pride in giving every associate the means and courage to make a difference—everywhere, every day.
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