Senior Software Engineer - 2-3 month Contract

EverGive; Sheffield; On-site; GBP 125,000 - 150,000; Full time

Job summary

A mission-driven organization is seeking a Senior Software Engineer to develop the core platform that supports its charitable work. The successful candidate will have over 5 years of engineering experience, demonstrating prowess in TypeScript, Node.js, AWS, and Terraform. This role demands high-quality code and a collaborative spirit, working closely with leadership to enhance the platform's functionality. If you're passionate about technology and social impact, join us in making a lasting difference.

Qualifications

• 5+ years of professional engineering experience, ideally in a high-growth tech or start-up environment.
• Proven track record in building and maintaining production systems.
• Demonstrated ability to improve workflows and coding standards.

Responsibilities

• Own end-to-end delivery of complex features and technical initiatives.
• Champion code quality by setting and enforcing modern coding standards.
• Drive architecture discussions and decisions.

Skills

TypeScript

PostgreSQL

AWS services (ECS, RDS, S3)

Node.js

Nix

Terraform

React

Software design principles

Excellent communication skills

Job description

Our Mission

💥Our Mission

EverGive fights for two things : a free world and a happy one.

It was originally conceived as the answer to a radical question : What if donations didn’t just get spent? What if they compounded over time and lasted forever instead? EverGive is on a mission to do just that - make donations compound and last forever, building the foundations of a free and happy world.

We are pioneering a model where donations are invested to last forever, creating financial freedom for charities. We use Bitcoin as the vehicle to ensure security, transparency, and long-term growth.

We build on Bitcoin because we believe in freedom. We believe the weaponisation of money is the biggest form of structural control over society. We weaken this structure by restoring sound money (Bitcoin). Bitcoin is a direct threat to authoritarian control because it hands economic sovereignty back to the individual. If a people are economically sovereign at the individual level, it makes it materially harder to control them. The fight for Bitcoin is the fight for a free society.

Our micro-why is to secure the financial future of humanity, and our macro-why is a free and happy society.

Your Mission

⚡️Your Mission

Join us as our Senior Software Engineer and help build the future of mission-driven giving! 🚀

We’re looking for a highly capable Senior Engineer who thrives in early-stage environments and enjoys owning complex problems end-to-end. You’ll work closely with our Head of Engineering, CEO, and cross-functional squads to design, build, and scale the core platform powering EverGive.

This isn’t a “just ship tickets” role. This is a role for someone who takes pride in architecture, delivery, and enabling the whole team to move faster. You’ll lead by example on code quality, enforce best practices, and make thoughtful technical decisions that set us up for scale. From shipping new features to refining developer workflows, you’ll help us evolve from early product-market fit into a platform trusted by charities and donors worldwide.

Department : Engineering

Schedule : Full-Time, FTC 2-3months

Reporting to : Head of Engineering

Salary Range : Competitive hourly rate

What you'll do

• Own end-to-end delivery of complex features and technical initiatives with minimal oversight.
• Enable the team by identifying blockers, unblocking them quickly, and ensuring predictable, steady delivery.
• Champion code quality by setting and enforcing modern coding standards and ensuring all code meets agreed quality levels.
• Drive architecture discussions and decisions, identifying long-term risks and opportunities for the platform.
• Continuously improve performance, tooling, workflows, and overall developer experience across the software lifecycle.
• Document with clarity so technical knowledge is complete, accurate, and useful for internal and external stakeholders.
• Enforce best practices across the team, including:
• Automated testing and CI / CD pipelines
• Dependency and toolchain upkeep
• Codebase health and disciplined refactoring

Who you are : Essential

• 5+ years professional engineering experience , ideally in a high-growth tech or start-up environment.
• Proven track record in building and maintaining production systems with:
• TypeScript
• PostgreSQL
• AWS services (ECS, RDS, S3)
• Node.js
• Nix
• Terraform
• React
• Strong grounding in software design principles and architectural patterns.
• Demonstrated ability to improve workflows, coding standards, or delivery processes.
• Excellent written and verbal communication skills - you value clarity, especially in documentation and cross-team collaboration.
• Passion for EverGive’s mission and curiosity about Bitcoin as a force for good.

Desired

• Familiarity with infrastructure-as-code (Terraform, AWS CDK, etc).
• Previous experience in a start-up or fast-paced environment.

Values

💝 Values

💚 Meaning Matters : We’re here to make a real impact. We care deeply about our users, their causes, and the change we create. We focus on building genuine connections, delivering results, and staying true to our mission without compromising on trust.

🧹 Mop the Floor : We roll up our sleeves and do whatever it takes to help the team succeed. No task is too small, and “not my job” isn’t in our vocabulary. We take ownership and work together to achieve shared goals.

🚀 Forward Momentum : We act quickly and decisively, focusing on progress over perfection. Everyone is empowered to take ownership, make an impact, and keep things moving forward in our fast‑paced environment.

🌱 1% Better Every Day : We embrace growth by striving to improve just a little every day - individually and as a team. We tackle challenges, learn from experience, and continuously seek new ways to grow, never settling for complacency.

😁 Delight Our Customers : Our donors and charity partners are at the heart of everything we do. We listen, empathise, and innovate to solve their problems and exceed expectations, delivering exceptional experiences that create lasting value.