Senior Software Engineer, Backend
Mozilla
As a Senior Software Engineer on the Ecosystem Services Team, you’ll build and own back-end systems and the integrations that keep our services running, help maintain and evolve the cloud infrastructure the application runs on, and play an active role in keeping the service reliable and healthy in production. You'll do this while collaborating closely with frontend engineers, product managers, CloudEng, and UX and design partners to deliver reliable features. We are looking for engineers who treat the systems they build as their own: people who are comfortable owning a service end to end, from writing the code to verifying it works as intended in production and monitoring its health. We are...
- ...About this team and role: As a Senior Software Engineer on the Ecosystem Services Team , you’ll build and own back-end systems and the integrations... ...the regular release cycle. Together with many other backend platforms across the organization, these services help...SeniorFull timeRemote workWorldwide
- ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer (Backend - Java) Overview Ethoca, a Mastercard company, is transforming the way merchants and card issuers work together...SeniorFull timeWorldwide
- BeyondTrust is seeking a Software Engineer (Backend) for the team that develops our Password Safe product. The ideal candidate will have a solid background in enterprise software development, and some experience partnering with product and engineering stakeholders to define...SuggestedFull time
- ...BeyondTrust is seeking a Software Engineer (Backend) for the team that develops our Password Safe product. The ideal candidate will have a solid background in enterprise software development, and some experience partnering with product and engineering stakeholders...SuggestedFull timeRemote work
- What You'll Do · You will be responsible for owning and delivering quarterly goals for your team, leading engineers on your team through ambiguity to solve open-ended problems, and ensuring that everyone is supported throughout delivery. · You will support your peers and...SeniorFull time
- About the Role: As a frontend-focused Senior Software Engineer , you will own the design and delivery of the user-facing experiences at the heart... ...in React and TypeScript . You'll also work in Go on the backend services and APIs that power those experiences, but that's...SeniorFull time
$181k
...remote first culture. The Role We’re looking for a Senior Full-Stack Software Engineer with deep expertise in Next.js, TypeScript, PostgreSQL/... ...Next.js/React, TypeScript, PostgreSQL, and a Node-based backend AI-native developer who regularly uses AI-assisted...SeniorRemote jobFull time- ...seamlessly hands off to human agents when needed. As a Senior Software Engineer, Frontend , you'll help build the web applications that power... ...velocity. Integrate frontend applications with backend services using REST APIs, WebSockets, and real-time streaming...SeniorFull time
- ...About the Role: As a frontend-focused Senior Software Engineer , you will own the design and delivery of the user-facing experiences at the... ...React and TypeScript . You'll also work in Go on the backend services and APIs that power those experiences, but that's...SeniorFull timeCasual work
$200.7k - $250.9k
...countries, with fundamentally different engineering philosophies and systems, had to... ...internal and external integrations. As a Senior Software Engineer on the Banking Integration Platform... ...experience building and operating backend infrastructure and distributed systems...SeniorFull time- ...leverages custom customer feedback models to engineer perfectly tailored products. Backed by... ...rethinking the entire retail software layer—spanning complex automated inventory... ...algorithms. We are seeking a high-agency Senior Backend Engineer to design and implement robust...SeniorFull timeRemote work
- ...the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are... ...software development lifecycle to solve this problem. As a Senior Backend Engineer on the newly established Platform Readiness team, you'll...SeniorFull timeRemote work
$200.7k - $250.9k
...In 1965, an engineer in Scotland was given a mundane task with a tricky problem to it -... ...do on a customer's behalf Work with backend teams to define tool schemas for new capabilities... ...candidate Has 7 or more years of software engineering experience, with deep...SeniorFull timeShift work- We are looking for a highly motivated senior software engineer who can lead large, strategic, and complex projects. This position demands high level leadership , mentoring other engineers and helping to design and architect scalable solutions. In this role, you will face...SeniorFull time
- Role Description We're hiring a Senior Software Engineer to help build and evolve the systems that keep Givebutter safe — fraud detection, risk decisioning, abuse prevention, and the internal tooling our operations team needs to investigate and act at scale. This is a...SeniorFull time
- Summary The Wikimedia Foundation is seeking a Senior Software Engineer to join the team supporting the Wikidata Platform — the structured data... ...efforts across Wikimedia projects and beyond. This role combines backend engineering and operations ownership. You’ll implement high...SeniorFull time
- ...completes tasks, schedules appointments, routes conversations, and seamlessly hands off to human agents when needed. As a Senior Software Engineer, Frontend , you'll help build the web applications that power the AI Receptionist experience for enterprise customers. You...SeniorFull time
$185k - $210k
...payment fraud, account takeovers, and social engineering scams. We have raised $145M from world-... ...About the Role: As a frontend-focused Senior Software Engineer, you will own the design and... .... You'll also work in Go on the backend services and APIs that power those experiences...SeniorRemote jobFull timeCasual workWorldwideHome officeFlexible hours- ...Role Description We're hiring a Senior Software Engineer to help build and evolve the systems that keep Givebutter safe — fraud detection, risk decisioning, abuse prevention, and the internal tooling our operations team needs to investigate and act at scale. This is...SeniorFull time
$50 per hour
...Overview This role develops high-quality datasets and evaluation workflows to train and benchmark large language models on software engineering tasks. You will curate and author code examples, correct and improve AI-generated solutions across multiple languages, design...SeniorFor contractorsRemote work10 hours per weekFlexible hours- ...Why This Role is Exciting We are looking for a highly motivated senior software engineer who can lead large, strategic, and complex projects. This position demands high level leadership , mentoring other engineers and helping to design and architect scalable solutions...SeniorFull time
$200.7k - $250.9k
...will require us to strengthen and refine it. We’re looking for an engineer to help build the battens and transoms that lift frontend work... ...in larger venues. The ideal candidate: Has 6-8+ years of software development experience, with a strong focus on the frontend and...SeniorFull timeLocal area$15 per hour
...Summary The Wikimedia Foundation is seeking a Senior Software Engineer to join the team supporting the Wikidata Platform — the structured data... ...Wikimedia projects and beyond. This role combines backend engineering and operations ownership. You’ll implement high...SeniorFull timeRemote work$166.6k - $208.3k
...embodies the elegance of simplicity in engineering, transforming the demanding task of controlling... ...is growing and we’re looking to hire senior backend engineers . We’re a team of pragmatic,... ...the status quo for banking and fintech software, and many of our customers are startups...SeniorFull time$175k - $220k
...seeking a highly autonomous, systems-fluent, and AI-proficient Senior Backend Engineer to claim absolute technical ownership over our core AI... ...across the United States and Canada. In this high-leverage software seat, you will sit on a small, fast-moving engineering squad...SeniorPermanent employmentFull timeWork at officeLocal areaRemote workWork from homeWorldwideHome officeShift work- ...growing the Leverage team and looking for a Senior Software Developer to take real ownership of the... ...join a small, high-trust group of senior engineers and own meaningful scope from early on - designing and building the backend systems that track balances and calculate...SeniorFull time
- At PointClickCare our mission is simple: to help providers deliver exceptional care. And that starts with our people. As a leading health tech company that’s founder-led and privately held, we empower our employees to push boundaries, innovate, and shape the future of healthcare...SeniorFull time
- About the Team The Leverage team lives inside Book of Record (BOR) - the ledger of truth for every dollar that moves through Wealthsimple. Leverage owns the borrowing side of that ledger: the systems behind margin, portfolio lines of credit, and the lending products that...SeniorFull time
- ...and unit economics. Provide deep technical mentorship to senior/staff engineers across Payments pods, upleveling system design quality,... ...double‑entry, high‑volume payment systems) ~ Deep expertise in backend programming (e.g., Python , Go, Java) and cloud‑native...SeniorFull time
- ...and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm’s engineering team is building a large-scale, highly available, and global infrastructure that is shared across multiple financial products....Full time
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