Design and implement backend services for telecom network management solutions, including TMF-compliant APIs and microservices.
Work with complex network and OSS data models, integrating PostgreSQL and Oracle databases for audit and optimization use cases.
Collaborate with cross-functional teams, ensure code quality through unit tests, CI/CD, and SonarQube.
Tieto is a Nordic technology company providing software and digital services, including network management platforms. It is one of the largest tech companies in the Nordics, with a culture that values diversity, equity, and inclusion.
Build and maintain backend services and APIs that power core parts of the Justride platform.
Contribute to designing scalable, secure, and resilient distributed systems.
Collaborate with cross-functional teams to take features from idea to production.
Masabi builds fare collection platforms for public transport via mobile, ticket machines, or bank cards. Its Justride platform is used in over 250 locations globally, with a culture of openness and innovation.
Build and maintain scalable backend payment flows (charges, refunds, disputes, webhooks) using Java, Kotlin, and Python.
Design and implement RESTful/GraphQL APIs, microservices, and event-driven systems for high-concurrency, revenue-critical platforms.
Refactor legacy codebases, improve test coverage, and participate in Agile ceremonies and CI/CD via GitLab.
Inallmedia.com is a global technology and design firm focused on building impactful digital solutions through remote, distributed teams. They partner with international clients across industries, providing long-term technical expertise, product innovation, and team augmentation.
Design, build, and maintain ledger and treasury services in Kotlin and Spring Boot.
Own double-entry accounting, reconciliation, and immutable audit trails for all money movement.
Work closely with finance, compliance, and payment operations teams in a remote, async environment.
Caliza is commercial banking infrastructure enabling cross-border businesses to hold USD accounts, collect and pay in 33+ currencies, and convert between fiat and stablecoins via one platform and API. It is a remote startup backed by notable investors, with a team that has built financial infrastructure at Visa, Nubank, and other fintechs, and values high autonomy and async collaboration.
Build and operate systems for bank and card payments across Affirm’s international markets.
Collaborate with product, analytics, and engineering teams to solve challenges across currencies and customer needs.
Foster a culture of quality and ownership through code review, design standards, and mentoring.
Affirm provides a clear, predictable way to pay over time with no hidden fees. It is a remote-first company with a global team, emphasizing transparency and flexibility.
Lead the technical strategy and delivery of Billing & Fees.
Architect reliable services for fee calculation, invoicing, and reconciliation.
Automate manual workflows to support scalable financial operations.
BVNK builds stablecoin infrastructure for instant cross-border payments. Backed by Visa and leading investors, its diverse team has been named a top global workplace for three years.
Lead impactful engineering projects for scalable SaaS solutions.
Design and maintain distributed services, backend systems, and RESTful APIs.
Collaborate with product and engineering teams to deliver high-quality software.
The company builds scalable SaaS solutions and distributed services for modern cloud environments. They foster a multicultural, supportive, and flexible remote culture with an emphasis on collaboration and professional growth.
Design, build, and maintain scalable, highly available Java backend services using Spring Boot and event-driven architectures.
Deliver features across the account lifecycle including registration, KYC, login/MFA, geolocation, and responsible gaming controls.
Partner with product, compliance, and operations teams to turn regulatory requirements into technical solutions and mentor engineers.
Fanatics is building a leading global digital sports platform, offering products and services across commerce, collectibles, and betting and gaming. With over 22,000 employees, Fanatics is committed to enhancing the fan experience and delighting sports fans globally.
Design, build, and evolve high-performance Backend for Frontend services using Kotlin, orchestrating data from microservices.
Optimize API performance and latency with coroutines, caching, and resilience patterns to ensure secure, scalable integrations.
Collaborate with cross-functional teams, conduct code reviews, and mentor developers to strengthen engineering standards.
This technology partner builds high-performance backend services and digital solutions for web and mobile applications. They foster a collaborative, inclusive culture focused on innovation, professional development, and technical excellence.
Make identity verification provider-agnostic, replacing tightly coupled solutions with a reusable service (mostly Ruby, some Go).
Improve KYC conversion by working across backend and web from started to submission.
Own web side of provider integrations: load SDKs, handle errors, and scale the React app.
We deliver Europe's leading finance workspace with banking at its core, augmented by financial tools. With 1,700 Qontoers serving over 750,000 customers across 8 European countries, we've been profitable since 2023 and foster a diverse, merit-based culture.
Develop and maintain backend services using Kotlin and Java for digital banking products.
Collaborate with multidisciplinary teams throughout the full software development lifecycle.
Apply best practices like TDD, DDD, Clean Code, and Hexagonal Architecture.
A technology company developing and maintaining backend services for one of Brazil's largest banking institutions. It operates a collaborative, remote-first environment focused on modern technologies, technical excellence, and continuous learning.
Break down projects into tasks and deliver them in phases with your team.
Partner with product, design, and analytics to build scalable backend systems.
Monitor metrics, support on-call, and contribute to code reviews.
Affirm exists to give people a clear, predictable way to pay over time, with no hidden fees. It is a remote-first company that cares about employee well-being through comprehensive benefits and an inclusive culture.
Design and develop full-stack payment modernization solutions using Java, Spring Boot, Kafka, and React.
Apply domain-driven design and own identity, cloud, and performance engineering for card network integration.
Drive testing, CI/CD, and collaborate across teams in a large matrixed program environment.
Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. With over 20 years of success, the company fosters a culture of collaboration, creativity, and continuous learning.
Break down larger projects into individual tasks and deliver them in phases while collaborating with your team.
Partner with product, design, and analytics to articulate technical constraints, assess trade-offs, and shape decisions.
Support system availability by creating and monitoring metrics, escalating issues, and participating in on-call efforts.
Affirm is a financial technology company offering point-of-sale installment loans and payment solutions that let consumers pay over time predictably. It is a publicly traded, remote-first company with a global engineering team and a culture centered on transparency, customer trust, and flexibility.
Drive large, complex projects autonomously from design to launch.
Tackle complex architecture challenges and lead code reviews across teams.
Mentor engineers and partner on company-wide initiatives as a Java expert.
Atlassian builds software products like Jira, Confluence, and Trello to help teams collaborate. With a culture focused on unleashing the potential of every team, Atlassians are empowered to choose where they work and value diversity and inclusion.
Own SMB acquisition funnel services end to end, building high-throughput backend apps in Kotlin and Go.
Drive event-driven architecture and asynchronous messaging with Kafka, ensuring resilience.
Partner with Product, Marketing, and Sales to optimize conversion funnels and scale architecture.
Wellhub is a workplace wellness platform connecting employees to fitness, mindfulness, therapy, nutrition, and sleep via one subscription. Headquartered in NYC with a global team, it values wellbeing, collaboration, and diverse perspectives.
Design, develop, and maintain RESTful APIs for seamless customer integration.
Proactively manage technical debt and optimize system architecture for stability and performance.
Participate in code reviews, knowledge sharing, and drive the full lifecycle of small feature development.
Megaport is the global leader in Network as a Service (NaaS), transforming the way businesses connect to the cloud, data centers, and each other. We're a publicly listed company with over 600 people across Asia-Pacific, Europe, and the Americas, and a culture that's collaborative, supportive, and fun.
Contribute to a core system that millions of end users rely on
Implement backend services and design architecture where reliability matters
Collaborate with teams to improve system interactions and maintain quality, including code reviews and incident troubleshooting
Alpaca is a global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, and more. With 400+ employees worldwide and $400M in funding, they are committed to open source and a remote-first culture.
Own accounting integration projects from problem definition through launch and iteration.
Build reliable, scalable backend services for accounting and financial workflows.
Partner with Product, Design, Operations, Compliance, and external providers on complex initiatives.
A fintech engineering team building and scaling financial products and backend platform capabilities. The culture values reliability, collaboration, and working through ambiguity in a fast-paced, high-growth environment.
Build and ship features daily in a scalable, cross-geo distributed environment
Review code with best practices for readability, testing, documentation, reliability, security, and performance
Mentor teammates and share expertise in formal and informal sessions
Atlassian makes software products that help teams collaborate and unleash the potential of every team. With a global workforce and an open, collaborative culture, we're motivated by a common goal to empower all types of work.