Senior Software Engineer - Platform

Join Our Script Runner Team as a Senior Software Engineer!

Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, Script Runner is looking for a dynamic Senior Software Engineer to join our talented Script Runner Cloud team.

Script Runner is committed to delivering top-tier applications that empower over 20 million users of Atlassian tools worldwide. As part of our engineering team, you’ll play a crucial role in shaping the future of our products and fostering an engineering culture that thrives on innovation and collaboration.

• Design and evolve the platform: set up build pipelines, select web/server technologies, design hosting architectures, and organise repositories for scale and clarity.
• Ship continuously: create automated build and deployment plans, contribute to CI/CD best practices, and pair program/review code in an Agile workflow.
• Build the right solutions: research and document approaches within Atlassian Connect and Forge constraints; design services and architectures to meet customer needs at scale.
• Go serverless where it fits: build and test serverless applications; define stacks with Terraform, AWS SAM, or CDK.
• Keep it reliable: run, monitor, and debug services; configure meaningful alerts; analyse logs/metrics for performance and behaviour; evaluate systems for operational reliability.
• Migrate without drama: move high-traffic systems to new designs with zero downtime.
• Own the ops: participate in on-call/incident response, lead post-incident learnings, and drive platform improvements.

• Agile ceremonies: standups, ticket estimations, retrospectives.
• Collaborative engineering: peer reviews and pair programming.
• Data-informed decisions: use metrics and customer signals to guide priorities.
• High impact: a visible role influencing engineering practices and platform direction.

• Impact:
  Contribute to products that make a difference for millions of users.
• Growth:
  Take advantage of opportunities to grow your skills and career.
• Culture:
  Be part of a supportive and innovative team that values your input.

We offer a very generous holiday (PTO) allowance, trusting you to take vacation time that suits your personal life, alongside flexible working hours that empower you to work when it best fits you and your team. We provide Mac Books to all employees and additional support for fully remote workers to set up their home offices. Our exceptional Time Away Policy includes 26 weeks of fully paid leave for birthing parents, 13 weeks for non-birthing parents, and extended leave for adoption, IVF, surrogacy, elective egg freezing, and women's health needs such as menopause, menstruation, endometriosis, and PCOS.

Our trusting, flexible, remote-first way of working means that work can fit around your life, rather than your life fitting around work.

• Proven experience building and operating large-scale systems on AWS.
• Strong background in high-availability, fault-tolerant, distributed systems.
• Fluency in Java and Spring Boot.
• Excellent organisational, prioritisation, and communication skills.

• Hands‑on CI/CD experience.
• Understanding of serverless and microservices architectures with extensible REST APIs.
• Familiarity with Terraform/AWS SAM/CDK.
• Experience with Atlassian Connect and/or Forge.
• A track record of creative problem-solving and helping teammates grow.

Not ticking every box? That’s totally okay! Studies show that women and people of colour might hesitate to apply unless they meet every single requirement. At Script Runner, part of TAG, we’re dedicated to creating a diverse and welcoming team. If you’re passionate about this role and keen to learn and grow with us, we encourage you to apply, even if you don’t have everything that's listed just yet.

We have published some support on Interviewing with us to try to alleviate any pre-interview anxieties, here you’ll find information to help you prepare and ace an interview  can read them here.

At The Adaptavist Group, we are committed to promoting a diverse and inclusive community and believe this positively impacts both the creation of our innovative products and our delivery of bespoke solutions to our global customers and our own unique culture. We encourage all qualified applicants, regardless of age, disability, race, sexual orientation, religion or belief, sex, gender identity, pregnancy and maternity, marriage, and civil partnership status.

From our family‑friendly policies to our flexible work environment we offer a range of benefits and policies in order to support staff from all different backgrounds. If you have any questions, please do ask us.