1. Profile Optimization:

• Username: Preferably your real name or your brand name, and make it consistent across other social platforms.
• Bio: Summarize who you are as a developer. Include skills, current job role, or projects.
• Profile Photo: A clear, professional headshot or a logo if you're representing a brand.
• Link in Bio: Use this to point to your portfolio, GitHub, latest blog post, or a project.

2. Content Ideas:

• Code snippets: Share interesting or aesthetically pleasing code snippets.
• Project showcases: Show off apps or websites you've developed.
• Behind-the-scenes: Your workspace, a day in your life, or your coding routine.
• Tutorials and Tips: Short coding tips, or explain complex coding concepts in layman terms.
• Tech reviews: Your take on latest technologies or tools.
• Personal journey: Share milestones, challenges faced, or your learning journey.
• Books & resources: What you're currently reading or top recommended resources.

3. Content Creation:

• Images: Use apps like Canva for creating engaging images. Incorporate code visuals, and always maintain consistency in your color scheme.
• Videos: Instagram supports short videos. Consider doing quick tutorials or explainers.
• Stories & IGTV: Use for longer content, live Q&A sessions, or deep-dives into specific topics.
• Reels: Leverage for short, catchy content.

4. Posting Strategy:

• Consistency: Aim for at least 3-4 posts a week. More if you can manage.
• Best times: It varies, but generally mid-day during weekdays (10 am - 3 pm) is effective. Monitor your insights to find the best times for your audience.
• Captions: Engage users with questions, anecdotes, or by narrating a story.

5. Hashtags:

• Relevance: Always use hashtags relevant to your post.
• Popular tags: #developers, #programming, #coding, #webdevelopment, #javascript, #python, etc.
• Niche tags: Specific to the tech stack you use, e.g., #reactjs, #django, #flask, etc.
• Mix it up: Use a mix of popular and less popular hashtags to increase reach.

6. Engagement Strategy:

• Follow & Engage: Follow other developers, tech influencers, coding organizations, and engage with their content.
• Collaborations: Collaborate with other developers for shoutouts or joint projects.
• Join challenges: Many coding challenges or 'code of the day' type challenges can boost visibility.
• Reply to Comments & DMs: Engaging with your community is crucial.

7. Inspiration:

• Explore Page: Use Instagram's explore page to find what's trending in the dev community.
• Follow Influencers: They can give insights into successful content strategies.
• Feedback: Ask for feedback from your followers. Use polls, questions, or open-ended prompts in your stories.

8. Growth & Analytics:

• Instagram Insights: Regularly check to understand your audience and see which posts get the most engagement.
• Promotions: Use Instagram's ad platform to promote your best content.
• Engage with Communities: Participate in developer communities outside of Instagram (like Reddit, Dev.to, or Twitter) and share your Instagram there.

Remember, authenticity is key. Be yourself and share your unique perspective as a developer. Over time, with consistency and engagement, you'll see your community grow.