Senior Software Engineer

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Lincoln, NE, US

Assurity is looking for enthusiastic, driven and collaborative people to join our team. We’re a company of vibrant and passionate people who work every day to advance our mission of helping people through difficult times – and who truly want to make a difference. As a Certified B Corporation, we have a verified commitment to our people, community and planet, and we work every day to make the world a better place.

Ample opportunities for growth, a thriving culture and coworkers who care as much as you do are just the beginning. Come work with purpose. Learn more:

As a Senior Software Engineer, you’ll own the technical health of multiple systems, lead large projects independently with or without an assigned business analyst, and build the hardest solutions, setting the engineering standards that keep software reliable, secure, and cost-effective across the team. You also lead complex incident resolutions, set the example for agent-directed development, own a piece of the team’s shared context, and mentor engineers across levels.

You’ll use approved AI tools routinely for suitable work and own the quality, security, and correctness of the results. You’ll bring professional judgment which includes choosing when to use AI, checking its output, and using another method when appropriate.

• Serving as design authority for assigned applications, platforms, and systems, deciding system components, design patterns, performance, reliability, and implementation approach, and guiding design decisions on changes made to them;
• Planning the technical direction of each system for current delivery and its near-term roadmap, managing technical debt, performance, and reliability across them, and keeping the systems maintainable, secure, stable, and fit for purpose; and
• Documenting design decisions and implementation guidance at a level of detail that guides development, and participating frequently in solution design, reviews, and troubleshooting throughout delivery.

• Leading large projects independently from intake through specification, design, build, UAT, and rollout, with or without an assigned business analyst, partnering with the analyst when one is assigned, and managing scope, cost, and schedule for on-time delivery within demonstrated capacity, raising tradeoffs early;
• Writing stories and acceptance criteria and confirming them and the completed work directly with business users and stakeholders;
• Directing AI agents to build and harden complex services, multi-agent workflows, and integrations from proof of concept to production, leading the hardest changes, and writing code by hand where the task, platform, or quality calls for it; and
• Integrating data from back-end services and databases, and maintaining, expanding, and scaling enterprise-level software.

• Setting team standards for testing and verification, evaluations, guardrails, observability, security, performance and cost, and CI/CD promotion, within the department standards the Software Solution Architect publishes;
• Owning a piece of the team’s shared context, such as repository instruction files, skills, and the review checklist, establishing specifications, templates, and context practices that improve work across the team, and keeping them current so others can rely on them; and
• Designing reusable agent workflows for larger work,…