I have always dreamed of becoming a Senior Software Engineer, and throughout my career I have realised that it requires far more than just technical ability. Currently, I work as a Software Engineer III at LexisNexis Risk Solutions, and I took the opportunity to gather advice and perspectives from engineers, managers, product, architecture, and leadership across the organisation.
Thanks to everyone who took the time to share their thoughts, experiences, and insights.
What stood out most was how consistent the advice was. Different people, different roles, but very similar themes. This post is a compilation of those common patterns.
Core Mindset
Be Self-Directed
Senior engineers are expected to operate with autonomy.
- Take ambiguous problems and define the path forward
- Fill in missing details yourself and continue to validate
- Work independently without constant guidance
- Take ownership and run with projects
- Be proactive rather than waiting for tasks
The shift to senior level is largely about moving from “being assigned work” to “owning problems.”
Think Bigger Than the Task
- Think in systems and larger building blocks
- Understand product goals and business context
- Learn the language of the product
- Consider trajectory, tradeoffs, and long-term impact
- Not all solutions are equal — think carefully before acting
A strong theme was that seniors don’t just solve problems — they evaluate the quality and impact of solutions.
Be Curious and Experimental
Growth comes from exploration.
- Dig deeper into problems
- Try things and experiment
- Learn by building
- Don’t be afraid to make mistakes
- Figure things out yourself before escalating
Curiosity and willingness to explore came up repeatedly as key growth drivers.
Technical Growth
Build Strong Technical Foundations
Technical excellence still matters.
- Develop strong engineering fundamentals
- Improve your system knowledge
- Become knowledgeable in a specific domain
- Build subject matter expertise
- Understand infrastructure, observability, dashboards, alerts, and pipelines
Technical strength is still required — but it needs to be reliable and deep.
Keep Upskilling
Software changes constantly — adaptation is part of the job.
- Take courses
- Study good codebases
- Fork and learn from GitHub/open-source projects
- Stay technically passionate
- Keep improving your engineering craft
Engineering Excellence
Focus on quality and ownership.
- Don’t just “make it work”
- Catch issues early
- Monitor systems and visibility
- Maintain high standards
- Be methodical and thoughtful
- Learn when to slow down and think carefully
Communication & Collaboration
Communication Is a Superpower
Nearly everyone highlighted communication.
- Ask questions
- Share feedback
- Explain concepts clearly
- Adapt explanations to different audiences
- Present ideas confidently
- Talk through technical decisions
- Keep managers informed about concerns and goals
Strong communication builds trust and influence.
Help Others Grow
Senior engineers multiply the effectiveness of the team.
- Mentor juniors
- Share knowledge openly
- Review PRs thoughtfully
- Teach along the way
- Be approachable and helpful
“When you can explain things clearly to people below and above your level, that’s valuable.”
Work Well With People
Technical skill alone is not enough.
- People matter a lot
- Everyone is a peer
- Collaborate effectively
- Learn from seniors and peers
- Avoid negativity and unnecessary criticism
- Pick your battles
A recurring theme was maturity and professionalism.
Ownership & Visibility
Take Initiative
- Volunteer for projects
- Speak up when something should improve
- Create momentum
- Don’t shy away from responsibility
- Own outcomes, not just tasks
Opportunity doesn’t always come directly — you often need to step into it.
Make Your Work Visible
Good work should be discoverable.
- Track your changes and contributions
- Create PBIs/tasks for your work
- Participate actively in PR discussions
- Document your work clearly
- Contribute to visible projects
Visibility helps others understand your impact.
Product & Business Awareness
Understand the “Why”
Senior engineers connect technical decisions to business outcomes.
- Understand customer and product needs
- Solve meaningful problems
- Think beyond implementation
- Look for opportunities to innovate
- Balance engineering with practicality
Better decisions come from understanding context, not just code.
Career Growth Advice
Be Intentional About Your Career
Growth does not happen automatically.
- Understand your manager’s expectations
- Set objectives aligned to your career goals
- Look at strong examples around you
- Ask directly for opportunities and feedback
- Advocate for yourself
- Don’t say “yes” to everything if you are unhappy
Final Thoughts
Being a senior engineer is not just about writing better code.
It is about:
- owning problems,
- communicating clearly,
- helping others succeed,
- understanding the bigger picture,
- and consistently demonstrating maturity, initiative, and reliability.
Technical skill opens the door, but leadership, communication, and ownership are what truly distinguish senior engineers.
... and a final gem from our recently retired Principal Engineer: "Don't forget to stay healthy, lift weights"
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