Senior Backend Engineer
voize
Why Voize? Because We're More Than Just A Job!At voize, we believe the greatest gift to frontline workers is time - time to care, connect, and be present. Today, that time is lost to admin work that pulls nurses away from what matters most: people.Your MissionAs a Freelance Senior Backend Engineer for our German Market squad, you'll ensure that data flows smoothly between our products and our partners' software solutions. You'll build and maintain the integrations that connect the voize with senior care and hospital software platforms. We are open for you to be based remotely across Germany, France or the UK.Your Daily Business – No Two Days Are AlikeShape the future of our integrations – Develop interfaces that seamlessly connect voize with systems in the care and medical sectorBuild future-proof solutions – Develop a scalable API, set industry standards, and work closely with partners and clientsTake end-to-end ownership – From the idea and implementation to the ongoing development of our integrationsArchitecture with foresight – Design thoughtful data models and sustainable solutions for complex systemsWork with impact – Your work saves caregivers time, improves documentation, and supports people who do amazing work every day.Your Skillset – What You Bring To The TableSeveral years of experience in backend development and API integrationExcellent proficiency with KotlinAPI design and development with RESTFluent in German (C1) to communicate effectively with partnersWillingness and work authorization to travel to Berlin (we cover your expenses!)Can work with us for minimum 3+ monthsReady To Talk? Apply Now!We look forward to your application and can't wait to meet you – no matter who you are or what background you have!
- ...media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a senior/staff backend engineer to own the systems that connect our exchange to the outside world — market data distribution, order routing, and the high...Senior
$165 per hour
...DescriptionIf you say you have an idea and can covert that into a something beautiful, then you are the one we are looking for.As our Sr. Backend Engineer, you will be:You will develop efficient web services and APIsYou will participate in daily code deploys while working on...Senior- ...and we need your help adding fuel to the fire.About the RolePolymarket is launching perpetual futures and we're looking for Senior Backend Engineers to own the core systems that make it run. This is backend exchange engineering in the truest sense: low-latency order...Senior
$150k - $300k
$150,000-$300,000 per annum New York, United States Permanent Senior Backend Engineer - New York My client is a well funded early stage startup building a high scale social platform from the ground up. They are focused on building persistent, high performance...SeniorPermanent employment- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a senior backend engineer to build and scale the payments infrastructure that powers deposits, withdrawals, and money movement across the platform....Senior
- ...market infrastructure.About The RolePolymarket is looking for a backend engineer to build the systems that power how markets are created,... ...time.You’ll be a core individual contributor working with other senior engineers to design, implement, and operate the systems that...Senior
- ...global media, powered by fast, reliable, and deeply technical market infrastructure.About the rolePolymarket is looking for a backend/product engineer to own the core domain APIs and data models that power our consumer-facing product.You’ll work at the intersection of...Senior
- ...MongoDB's Atlas team is a diverse group of engineers building and operating MongoDB Atlas, our database-as-a-service, which enables... ...to balance collaboration with focused work. We are seeking a senior backend engineer focused on identity and access management who can design...Senior
- ...Lightning AI is seeking a Senior Software Engineer to design and build the backend systems powering AI agent orchestration and execution. You’ll create scalable APIs and platform capabilities for tool use, workflow orchestration, memory, and state management. You’ll partner...Senior
$185k - $225k
...role:Salary range: $185k - $225k USD*We are looking for smart engineers who love to code, seek challenging problems, and appreciate recognition... ...full-stack, data, ML, and DevOps engineers to build scalable backend solutions as we continue to grow. We're a small team where...SeniorWork at officeRemote work- ...A fintech startup in New York is seeking an experienced backend engineer to scale their systems supporting financial document automation. The role entails assessment of current architecture and designing scalable solutions to handle increasing data volume and sensitivity...Senior
- ...ubiquitous beacon of truth in global media and we need your help adding fuel to the fire.About the RolePolymarket is looking for a Senior Backend Engineer to join our DeFi Trading team and own core improvements to our exchange systems. You'll work across low-latency APIs, high-...SeniorImmediate start
- ...Kinvr is seeking a Senior/Staff Backend Engineer in New York City. Join a fast-growing travel tech company and contribute to complex booking systems, content and supplier integrations, and internal infrastructure. You will own epics end to end, collaborate with product...Senior
$175k - $195k
...A leading fintech startup in New York seeks a software engineer to build scalable systems to power B2B billing. You'll own critical infrastructures... ...candidates have experience in event-driven systems, strong backend language skills, and a passion for customer-focused solutions....SeniorRemote work- ...United States Digital Space LLC is seeking a Senior Software Engineer with strong Go and React skills to join a fast-growing team in the United States. The role focuses on backend development within a distributed architecture, mentoring peers, and delivering scalable,...Senior
- ...Maximor AI in New York is seeking a Senior Software Engineer to contribute significantly to the future of the finance stack. The role emphasizes... ..., preferably aligned with fintech, and is skilled in backend development using modern programming languages. This position...Senior
- ...Wealth.com is looking for a Software Engineer to design, build, and scale backend systems for estate planning and AI-driven products. The ideal candidate should have 3+ years of backend engineering experience, especially with TypeScript or other typed languages. Responsibilities...Senior
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- ...Axon is seeking a backend-focused software engineer to join the Prepared team in New York City. This hybrid position involves tackling challenges in audio/video processing and AI, ensuring the stability and speed of mission-critical systems. Applicants should have at least...SeniorFlexible hours
- ...A leading financial technology company is looking for senior software engineers focusing on backend development. This role involves taking ownership of services, building APIs, and leading projects. The ideal candidates will be proficient in Go and TypeScript/Node.js,...SeniorRemote work
$195.5k - $264.5k
...Pave is looking for an experienced backend engineer to lead critical services on their compensation intelligence platform. The ideal candidate will have at least 5 years of experience in backend engineering, with a strong grasp of data-heavy applications using TypeScript...Senior- ...Senior Backend EngineerBevel is an AI Health Companion that helps people make smarter decisions about their health every day. Our app brings... ...from our users. We're looking for incredible Senior Backend Engineers to help us build an ambitious roadmap. You'll get an...SeniorWork at office
- ...continuous code quality improvementUse test driven development (TDD) and maintain test coverageIntroduce engineering process improvements and tools (depending on seniority level)Mentoring/pair programming/leadership (depending on seniority level)Required6 years MIN...Senior
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- ...and we're expanding fast into new verticals including investment banking, hedge funds, and research firms.Role DescriptionAs a Backend Engineer, you'll help build and scale the systems that power our AI-driven research platform. This is a systems-level role - ideal for...SeniorWork at office10 hours per week
$200k - $275k
...Senior Backend EngineerTitle of Role: Senior Backend EngineerLocation: New York, onsiteCompany Stage of Funding: Venture-Backed — ConsumerOffice... ...Ideal Candidate Background6+ years of experience in backend engineering, with a strong focus on Python and FastAPI.Proficient in...Senior- ...scaling, and supporting production-ready products from scratch. 5+ years of professional experience with Java. 6+ years of experience in backend development. Quick learner with an ambitious and results-driven personality. Excellent communication and organizational skills....SeniorImmediate start
- ...of identity with a team that holds a high bar for itself — keep reading.Socure is seeking a highly skilled and experienced Senior Software Engineer to join our dynamic engineering team within the Technology Center of Excellence. In this critical role, you will be a...Senior
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