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• Drive the design & implementation of new features and/or re-architect existing systems.
• Design & deliver robust microservice integrations via REST/gRPC APIs.
• Collaborate and mentor other senior engineers while providing thoughtful guidance using code, design, and architecture reviews.

EarnIn builds products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck.

Design, build, operate, and maintain critical backend systems for alerting, ensuring reliability, scalability, and performance. Drive projects from ideation through to production and operations, actively contributing to roadmap planning. Collaborate with cross-functional teams to deliver features that meet user needs and business objectives.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

• Own and drive the roadmap for multiple areas of focus.
• Drive technical architecture decisions and system designs.
• Develop and maintain backend services and APIs.

Mesh, founded in 2020, is the first global payment network for crypto,connecting hundreds of exchanges, wallets, and financial services platforms.

Join our team as a Senior .NET Engineer to build scalable, secure, and high-performing enterprise solutions for the financial industry. You will design, develop, and maintain robust backend systems and APIs that power our core products. Optimize performance, enhance system architecture, and apply best practices in software development, security, and deployment to support rapid and reliable product delivery.

Capital Markets Gateway LLC (CMG) is a capital markets-focused fintech transforming global equity capital markets (ECM) through data, technology, and connectivity.

Design, build, and operate robust backend systems that power mission-critical applications. Work closely with cross-functional teams and client stakeholders to translate business requirements into reliable, high-quality software solutions. Contribute in a highly collaborative, agile environment that values craftsmanship, learning, and pragmatic problem-solving.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

As a Senior Staff Software Engineer, you'll provide technical leadership and drive meaningful impact across systems and teams. You will help shape and deliver scalable, secure, and cohesive partner-facing platform capabilities. You will focus on improving partner onboarding, integration experiences, and the long-term health of the partner platform.

NMI enables our partners with choice, and challenges the one-size-fits-all approach to payments.

• Design scalable architectures for complex distributed systems.
• Lead modernization efforts and improve developer experience.
• Guide engineering direction and influence cross-team decisions.

Magnet Forensics is a global leader in the development of digital investigative software. Their tools acquire, analyze, and share evidence from computers, smartphones, tablets, and IoT-related devices. They are a growing company with a global presence and a focus on innovation and making a difference in the world.

• Design, develop, and maintain backend services in Rust and Scala.
• Build and operate distributed, data-intensive applications.
• Deploy, monitor, and maintain systems on Kubernetes within AWS environments.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

• Responsible for leading the technical direction and execution of complex, high-impact initiatives that span teams and systems.
• Architect and build scalable, high-availability systems that run 24/7 and support mission-critical workflows.
• Provide technical leadership across cross-functional teams, guiding architecture, trade-offs, and execution.

Apollo.io is the leading go-to-market solution for revenue teams. Founded in 2015, the company is valued at $1.6 billion and backed by top-tier investors, including Sequoia Capital, Bain Capital Ventures, and more.

• Be the go-to person for all things backend in your product area.
• Work closely with the CTO and the Tech Lead to set technical direction.
• Design, build, and ship features on schedule, collaborating with product, design teams, and customers.

Secfix automates security compliance for SMBs in Europe, helping them automate ISO 27001, GDPR, TISAX, and SOC 2 in weeks instead of months.

• Design, implement, and maintain backend services and APIs to support applications.
• Build and optimize data storage solutions using Postgres, ClickHouse and Elasticsearch to ensure high performance and scalability.
• Collaborate with cross-functional teams to deliver end-to-end solutions.

Cresta is on a mission to turn every customer conversation into a competitive advantage by unlocking the true potential of the contact center.

• Architect scalable, low-latency backend systems and data pipelines while writing code as necessary to support the team
• Provide technical leadership in the design of scalable solutions and the establishment of best practices
• Contribute positively to the team's productivity and growth

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision. The most forward-thinking marketers choose StackAdapt to orchestrate high-impact campaigns across programmatic advertising and marketing channels. StackAdapt is a diverse and inclusive team of collaborative, hardworking individuals trying to make a dent in the universe.

• Contribute to system design and architecture with a focus on scalability.
• Write efficient and maintainable code in C#/.NET Core and design modern APIs.
• Collaborate with cross-functional teams in an Agile environment.

Alegeus is a company that empowers teams to push the boundaries of what’s possible in fintech and healthtech.

You'll be instrumental in scaling the cloud-native data processing engine, ensuring it meets demands for performance and reliability. Collaborate with Senior Engineers, Product Managers, and UX Designers to architect robust solutions and champion best practices. Mentor the team, enhancing their skills and building culture of continuous improvement.

Magnet Forensics is a global leader in the development of digital investigative software that acquires, analyzes, and shares evidence from devices.

• Design, build, and maintain the backend services that power Hatch’s mobile apps and IoT-enabled devices.
• Lead backend system design, define best practices, and mentor other engineers.
• Guide cross-functional technical strategy to improve the overall platform.

At Hatch, we’re on a mission to help people build better sleep habits—so they can feel more focused, energized, and present in their lives.

• Drive end to end execution of technical projects, from ideation and design to deployment.
• Design and build resilient, large-scale systems from the ground up with a focus on reliability, scalability, and performance.
• Provide thought leadership and guide peers in navigating complex architectural and coding decisions.

Uniswap Labs builds products that help millions of people access DeFi simply and securely, from the Uniswap Web App and Wallet to crypto infrastructure.

• Design scalable systems using modern cloud technology.
• Build and run experiments to power the growth of Coinbase’s retail products.
• Articulate a long term vision for maintaining and scaling our backend systems and the teams running them.

Coinbase's mission is to increase economic freedom in the world by building the emerging onchain platform.

Seeking a skilled .NET Engineer to join a fully remote Latin American team, contributing to the development of modern, scalable software platforms. Opportunity to work with cutting-edge technologies, design microservices-based architectures, and collaborate with cross-functional teams. Ideal candidate will guide junior engineers, participate in architectural decisions, and ensure high standards of code quality and reliability.

This position is posted by Jobgether on behalf of a partner company which uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly.

• Contribute to all phases of product development, from ideation and prototyping to implementation and iteration.
• Build and evolve both frontend product experiences and backend services that power them.
• Design reliable and scalable backend services to support new features in production.

Mainstay is the leading market intelligence platform purpose built for buying, managing, and selling homes in the single family rental industry.

• Shape how Reveleer builds and scales its products.
• Provide senior technical leadership and hands on execution to support the 2026 roadmap and beyond.
• Lead through building, teaching, and raising the engineering bar across the organization.

Reveleer builds value-based care solutions that help health plans and providers collaborate more effectively across quality, risk adjustment, and member engagement.