One Sky Collective
Back End Developer Sustainability App - Volunteer

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One Sky Collective
One Sky Collective is a free and accessible mission-led gamified app and website empowering the imperfect majority to track and be rewarded for every small sustainable step while driving real-world climate impact.
What difference will you make?
Your development skills will help to bring our free app to market and enable us to initiate environmental impact with an enterprise-ready platform. You will ensure our data is collected, stored, and used responsibly with safeguarding for younger users a priority.
What are we looking for?
✅ Requirements
- 3 years proficiency in Node.js, Express, or equivalent server framework
- Experience with PostgreSQL or MongoDB data modeling
- Familiarity with JWT-based authentication and RBAC patterns
- Understanding of API versioning, rate limits, and testing
- Git/GitHub workflow (branches, PRs, code reviews)
- Comfort working from detailed Notion specs and endpoint contracts
- Passion for climate tech and collaborative dev environments
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.
Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.
Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Remote
What will you be doing?
💼 Role Summary
As an experienced back-end developer, you'll help implement secure, scalable services for One Sky’s public website and reporting systems. This includes API development, data modeling, access control, and admin feature support.


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🛠 Responsibilities
- Build and document RESTful APIs for:
- Daily impact metrics
- User action history for reporting
- Implement role-based access controls (e.g. Impactor and Sponsor)
- Integrate external services (email, CMS, analytics)
- Assist in exporting daily/weekly impact summaries via JSON/CSV
- Ensure data consistency across reporting streams
- Support Super Admin panel API endpoints (quiz editor, campaign loader, streak engine)
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