Principal Software Engineer at Jahnel Group

<p>Jahnel Group’s mission is to provide the absolute best environment for software creators to pursue their passion by connecting them with great clients doing meaningful work.&nbsp;<strong>This is a full time position with one of our closest clients.</strong></p> <h3>Who we are looking for</h3> <p data-start="427" data-end="606">We’re looking for a <strong data-start="447" data-end="487">h</strong>ands-on Principal Software Engineer who thrives in complex, fast-moving environments and wants to own the technical direction of mission-critical systems.</p> <p data-start="608" data-end="894">This is a deeply technical, high-ownership individual contributor role. You’ll be the most senior engineer on the platform, responsible for setting architecture, guiding technical decisions, and ensuring both systems stay stable, scalable, and shipping fast.</p> <p data-start="896" data-end="1117">You should be comfortable operating across backend systems, frontend interfaces, infrastructure, and emerging AI workflows, and you should naturally think in terms of systems, tradeoffs, and long-term maintainability.</p> <p data-start="1119" data-end="1154">The ideal candidate is someone who:</p> <ul data-start="1155" data-end="1366"> <li data-section-id="cq2dz8" data-start="1155" data-end="1194">Owns systems end-to-end in production</li> <li data-section-id="1djspq3" data-start="1195" data-end="1260">Makes strong architectural decisions and documents them clearly</li> <li data-section-id="4zmebp" data-start="1261" data-end="1304">Moves fluidly across languages and stacks</li> <li data-section-id="byz9sk" data-start="1305" data-end="1366">Raises the engineering bar through code, not just direction</li> </ul> <p data-start="1368" data-end="1521">You’ll work across both a mature forecasting platform and a newer AI-native onboarding system, helping shape how modern retail planning software evolves.</p> <h3>Responsibilities</h3> <ul> <li data-section-id="1wcd2o0" data-start="1549" data-end="1621">Own technical architecture and system design across two core platforms.</li> <li data-section-id="1d869q3" data-start="1622" data-end="1710">Keep production stable and the release cadence fast as the platform grows.</li> <li data-section-id="1d869q3" data-start="1622" data-end="1710">Make and document the big calls — what to consolidate, what to harden, what to leave alone.</li> <li data-section-id="1d869q3" data-start="1622" data-end="1710">Stand up the things a maturing platform needs: observability, runbooks, and engineering guardrails.</li> <li data-section-id="1d869q3" data-start="1622" data-end="1710">Level up the team through code review, pairing, and clear written decisions.</li> </ul> <h3>Some Must-Haves</h3> <ul> <li data-section-id="12q1lro" data-start="2258" data-end="2317">10+ years of professional software engineering experience</li> <li data-section-id="xm0loz" data-start="2318" data-end="2388">Deep experience building and operating production systems on AWS</li> <li data-section-id="6zzbqu" data-start="2389" data-end="2461">Strong expertise in TypeScript / Node.js, with Next.js + React</li> <li data-section-id="lt2470" data-start="2462" data-end="2565">Advanced PostgreSQL experience (schema design, scaling, performance tuning, multi-tenant systems)</li> <li data-section-id="1y79jrv" data-start="2566" data-end="2676">Strong background in event-driven / distributed systems (queues, async workflows, background processing)</li> <li data-section-id="1l14yt6" data-start="2677" data-end="2760">Hands-on experience with infrastructure-as-code (Terraform, CDK, or OpenTofu)</li> <li data-section-id="167uqc1" data-start="2761" data-end="2845">Proven ownership of systems from architecture through production support / on-call</li> <li data-section-id="1qjvz9p" data-start="2846" data-end="2960">Comfortable actively using AI coding tools (Cursor, Claude Code, etc.) as part of daily development workflow</li> </ul> <h3>Technical Requirements</h3> <ul> <li data-section-id="veok09" data-start="2994" data-end="3067">AWS: Lambda, Step Functions, ECS Fargate, SQS/EventBridge, RDS, S3, IAM</li> <li data-section-id="165tbtv" data-start="3068" data-end="3128">Strong backend engineering in TypeScript/Node.js (primary)</li> <li data-section-id="zp0788" data-start="3129" data-end="3204">Experience working across multiple languages (Go and/or Python preferred)</li> <li data-section-id="13a3c2d" data-start="3205" data-end="3254">Next.js / React frontend development experience</li> <li data-section-id="1wt50k7" data-start="3255" data-end="3329">Production-grade system design (scalability, reliability, observability)</li> <li data-section-id="144jefm" data-start="3330" data-end="3387">Experience debugging and optimizing distributed systems</li> </ul> <h3>Nice-to-Haves</h3> <ul> <li data-section-id="knbvtf" data-start="3412" data-end="3477">Experience with Go and/or Python in production environments</li> <li data-section-id="1hjafdd" data-start="3478" data-end="3571">Exposure to LLM / agentic systems (Bedrock, OpenAI, Anthropic, prompt workflows, evals)</li> <li data-section-id="11xvkum" data-start="3572" data-end="3643">Background in retail, inventory, supply chain, or forecasting systems</li> <li data-section-id="1orp40d" data-start="3644" data-end="3706">Experience building data-heavy or operational planning tools</li> <li data-section-id="1ak7zaj" data-start="3707" data-end="3800">Prior work in high-scale infrastructure environments (AWS-heavy orgs, large tech companies)</li> </ul> <h3>Where We’re Looking For It</h3> <ul> <li>Remote (U.S.-based preferred)</li> <li>NYC is a plus, but not required</li> <li>Ability to travel onsite approximately once per month</li> </ul> <h3>Compensation Package (Salary Transparency for US-Based Employees)<strong><br></strong></h3> <ul> <li>Salary Range: $175,000+<br> <ul> <ul> <li>Salary is negotiable and the range can be increased based on qualifications, certifications and experience&nbsp;&nbsp;</li> </ul> </ul> </li> </ul> <p>&nbsp;</p>