Senior Software Engineer

Activecampaign
Chicago, IL

Software Engineers work as part of a cross-functional product team in the design, implementation and maintenance of ActiveCampaign's software product. This position will collaborate with the team to perform full-stack engineering, design and build new features and capabilities, and solve technical problems. This role will join the Partner Platform Team that builds and maintains our partner portal and APIs that empower hundreds of partners to manage thousands of customers' accounts within the ActiveCampaign software. Specifically, the Senior Software Engineer will: Independently produce high quality, tested code according to modern coding standards, best practices and architectural technical vision. Deliver complex and large features working with cross-functional teams including UX, Product Team, ARG and more. Build maintainable, scalable and comprehensive systems. Participate in detailed code reviews, providing helpful and specific feedback to teammates and advocating for improved standards. Author and execute feature-level or project-level test plans. Capably troubleshoot and debug large-scale systems (user base of 150k+) and legacy systems. Create observability tooling including alerts and dashboards to measure and optimize production systems. Support legacy & modern services and applications in the public cloud and deploy them through CI/CD practices. Execute, monitor and validate production changes. Produce documentation for help guides, code comments, service playbooks, and at times, technical designs. **Position allows remote work in selected states subject to company policy.**

The ideal candidate will bring:

  • This position requires a Bachelor’s degree in Computer Science, Computer Engineering, or related engineering field, or foreign equivalent
  • 5 years of relevant experience in software engineering or a related occupation.
  • 5 years of experience developing SaaS systems using REST APIs or micro-services on Kubernetes
  • 5 years of experience developing using frameworks including: Slim, Symfony or GraphOL; 5 years of experience using tool including Gitlab, Vault, Grafana, Jira, PHPStorm or Pycharm
  • 5 years of experience working in a LAMP stack (Linux, Apache, MySQL, PHP)
  • 4 years of experience working with front-end languages including: JavaScript, React, JQuery, Typescript, CSS or HTML
  • 4 years of experience using data stores including: MySQL DB, DynamoDB, NoSQL or Redis
  • 4 years of experience of formal onboarding, training or mentoring other software engineers
  • 4 years of experience producing automated test to complement code written
  • 4 years of experience completing projects as a major contributor; 4 years of experience designing systems using OOP, DDD or SOLID
  • 4 years of experience using auth services or formats such as OAuth or JWT
  • 2 years of experience using services including: Kafka, AWS services or ElasticSearch.
  • Will accept any suitable combination of education, training, and experience.

$153,317 - $153,317 a year

Compensation details listed in this posting reflect the base rate only and do not include bonus, equity, sales incentives, or other role-specific compensation that the role may be eligible for. ActiveCampaign believes in and is committed to equitable compensation practices. The salary range provided above is a good-faith estimate of the pay range determined by the location associated with the job posting. The actual salary depends on a candidate’s skills, experience, and location of work.

About ActiveCampaign:

ActiveCampaign is the autonomous marketing platform for people at the heart of the action. It empowers teams to automate their campaigns with AI agents that imagine, activate, and validate–freeing them from step-by-step workflows and unlocking limitless ways to orchestrate their marketing.

With AI, goal-based automation, and 1,000+ app integrations, agencies, marketers, and owners can build cross-channel campaigns in minutes–fine-tuned with billions of data points to drive real results for their unique business.

ActiveCampaign is the trusted choice to help businesses unlock a new world of boundless opportunities–where ideas become impact and potential turns into real results.

As a global multicultural company, we are proud of our inclusive culture which embraces diverse voices, backgrounds, and perspectives. We don’t just celebrate our differences, we believe our diversity is what empowers our innovation and success. You can find out more about our DEI initiatives here .

Perks and benefits:

At ActiveCampaign, we prioritize employees’ well-being and professional growth by cultivating a culture centered on collaboration and innovation. When you join our team, you’ll not only have the opportunity to make a significant impact, but also enjoy a range of benefits tailored to support your personal and career development.

Here are some of the benefits we offer:

-Comprehensive Health & Wellness: Top-tier benefits package that includes a fully-covered High Deductible Health Plan (HDHP), complimentary access to telehealth services, and a free subscription to Calm.

-Growth & Development: Access to LinkedIn Learning, professional development programs, and career growth opportunities in a fast-growing organization.

-Generous Paid Time Off: Recharge and take the time you need to maintain work-life balance with open PTO.

-Total Rewards: Generous 401(k) matching with immediate vesting, quarterly perks with commuter and lunch benefits for hub based employees or a stipend for remote workers, and a four-week paid sabbatical with bonus after five years.

-Collaborative Culture: Work alongside brilliant, passionate colleagues in an environment that values innovation, teamwork, and mutual support.

ActiveCampaign is an equal opportunity employer. We recruit, hire, pay, grow and promote no matter of gender, race, color, sexual orientation, religion, age, protected veteran status, physical and mental abilities, or any other identities protected by law.

Our Employee Resource Groups (ERGs) strive to foster a diverse inclusive environment by supporting each other, building a strong sense of belonging, and creating opportunities for mentorship and professional growth for their members.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Posted 2026-02-22

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