About the role

Senior Software Engineer at Apollo.io implementing best practices across data platforms and integrations. Designing highly scalable backend services and mentoring team members in a collaborative environment.

Responsibilities

Design and implement highly scalable backend services, data pipelines, and integration endpoints that perform reliably at high volume.
Gather product and engineering requirements; write design documents and drive technical discussions to align cross-functional stakeholders.
Drive and lead the full software development lifecycle: product requirements, architecture, solution design, development, quality assurance, and maintenance.
Build systems with observability as a first-class concern proper monitoring, alerting, and dashboards so issues are caught before customers notice.
Mentor others on best practices and effectively share knowledge across the engineering team.
Communicate development progress clearly to product leads, engineering managers, and other stakeholders.
Be comfortable introducing new technologies and new ideas as required, including AI tools that accelerate your workflow and the team’s.
Navigate ambiguity and roadblocks proactively when a project hits a wall, you find a path forward and maintain cadence.
Work effectively as part of a large global team, attending scrum ceremonies, team events, and manager 1:1s.
Provide and respond to technical and behavioral feedback from managers and peers in written and verbal form.

Minimum 5 years of industry experience in backend development, at least 1-2 years in senior positions, developing large-scale applications.
Experience developing distributed web applications at scale.
Code that is comprehensible, well-structured, and highly performant.
Experience with database modeling (SQL or NoSQL).
Experience using and designing RESTful services.
Strong knowledge of computer science fundamentals, including data structures, algorithms, and object-oriented design.
Proven experience leveraging AI tools to enhance software development processes, including code generation, debugging, and productivity optimization, with a willingness to stay current with emerging AI technologies.
Background in fast-scaling startup or high-velocity environments where going beyond your job title was the norm.

We invest deeply in your growth, ensuring you have the resources, support, and autonomy to own your role and make a real impact.
Collaboration is at our core—we’re all for one, meaning you’ll have a team across departments ready to help you succeed.
We encourage bold ideas and courageous action, giving you the freedom to experiment, take smart risks, and drive big wins.