Design and maintain backend services using Java 25 and Spring Boot 4.1.
Implement OAuth 2.0/OIDC identity flows and secure APIs.
Evolve a modular monolith toward hexagonal architecture with domain-driven design.
Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group providing IT and telecommunications services. With over 5300 employees, it is recognized as Hungary's most attractive employer and has received awards for educational cooperation and ethics.
Design and implement scalable, distributed Back-end solutions for a SaaS platform focused on accessibility automation and compliance.
Develop and maintain microservices and cloud-native applications using Golang, Kotlin, or JVM-based languages.
Collaborate with cross-functional teams on architecture evolution, infrastructure decisions, and AI-assisted development practices.
Our customer is a rapidly growing technology company specializing in digital accessibility solutions for enterprise web and mobile products. Sigma Software is an international engineering community focused on meaningful products and long-term collaboration with distributed teams across Ukraine, Poland, Romania, and Albania.
Lead the design, development, and continuous improvement of backend services using Java 17+ and Spring Boot.
Define and evolve microservices and REST APIs, ensuring scalability, security, and operational reliability.
Drive performance optimization, technical stabilization, and root-cause analysis of production services.
Deutsche Telekom IT Solutions Slovakia provides innovative information and communication technology services, forming part of the global Deutsche Telekom group. With over 3,900 employees, it is the second largest employer in eastern Slovakia, fostering a culture of continuous improvement and work-life balance.
Design, develop, and continuously improve backend services using Java 17+ and Spring Boot.
Build and evolve microservices and REST APIs used by the Charisma solution.
Turn new business requirements into maintainable and scalable technical solutions.
Deutsche Telekom System Solutions Slovakia is an innovative IT services company providing communication and information technology services. With over 3,900 employees, it is the second largest employer in eastern Slovakia and focuses on continuous transformation.
Build and maintain backend systems for payment integrations platform.
Collaborate with cross-functional teams including Engineering, Product, and Sales.
Design robust, fault-tolerant systems with multiple external dependencies.
Flex is a growth-stage FinTech company that enables users to pay rent on a flexible schedule. It has a diverse, inclusive team with employees across the US, Australia, Canada, and South America.
Design and implement real-time services with high throughput and low latency, working across the full software development lifecycle.
Collaborate with stakeholders to understand customer needs and deliver simple, robust, and scalable solutions.
Embrace challenges of scaling a complex distributed platform with global points of presence, ensuring high availability and reliability.
Twilio is shaping the future of communications by delivering innovative solutions to hundreds of thousands of businesses and empowering millions of developers worldwide. The company is a remote-first organization with a strong culture of connection and global inclusion.
Take end-to-end ownership of backend features from refining requirements to delivering robust production-ready solutions.
Evolve the system core, APIs, and data layer to optimize performance, scalability, and reliability under demanding workloads.
Balance fast product increments with sustainable technical architecture.
Genestack is tackling the underlying computational and scientific challenges of bioinformatics to provide researchers with software tools that streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research. Their platform is deployed at leading pharmaceutical, agricultural, and consumer goods companies, as well as leading academic institutions, and they are continuing to grow.
Build and scale the backend systems behind salary advance, FGTS, and consignado lending — with a clear eye on reliability and correctness
Develop and refine the APIs that power an instant in-app experience, with the precision those transactions demand
Collaborate directly with product, credit, compliance, and analytics — your technical perspective shapes the work
Tilt is a financial technology company that uses mobile-first products and machine learning to provide credit based on real-time financial signals, looking beyond traditional credit scores. With millions of customers worldwide, Tilt fosters a culture of ownership, collaboration, and impact, where good ideas travel fast and growth follows contribution.
Design and develop scalable Java backend services for KYC and compliance workflows.
Build high-throughput distributed systems using Spring, MySQL, NoSQL, and messaging.
Collaborate globally to optimize performance, troubleshoot incidents, and mentor peers.
They build high-scale technology that supports secure and seamless customer onboarding in a highly regulated financial environment. They operate as a global engineering team in a flat, fast-paced culture with autonomy, ownership, and continuous learning.
Design, develop, and maintain scalable backend services for a new Sportsbook platform.
Lead architectural discussions and implement large-scale distributed systems.
Establish engineering best practices and contribute to CI/CD pipelines.
Our partner is building a brand-new Sportsbook platform from the ground up, creating a global gaming product. The role offers a high level of technical ownership and visibility, working in an agile and collaborative environment with cross-functional teams.
Design, build, and evolve the event-sourced engine and its C8 REST/gRPC/MCP API, ensuring safe public-API evolution.
Take on hard, ambiguous problems end-to-end — define the problem, write solution designs, and drive delivery across the team.
Ship high-impact engine features fast while maintaining an extremely high quality bar and simplifying the engine.
Camunda is an enterprise platform for agentic orchestration, coordinating AI agents, people, and systems across complex business processes. With over 700 organizations worldwide, including 9 of top 10 US banks, they are a fully remote, global team transforming into an AI-first organization and are Great Place to Work certified.
Design and build backend features and robust REST APIs on the Risk Cloud platform using Java, Kotlin, and Spring Boot.
Write clean, understandable code with comprehensive unit and integration tests using JUnit to ensure a stable deployment lifecycle.
Act as a subject matter expert for a defined portion of the platform, independently debugging and optimizing data flows across microservices.
LogicGate is the leading AI GRC platform for the Enterprise, helping governance, risk, and compliance teams manage uncertainty and drive business value. The company is recognized as a Leader in the GRC market and fosters a culture of empowerment, ownership, and continuous learning.
Own and deliver quarterly goals for your team, guiding engineers through ambiguity to solve open-ended problems.
Collaborate with product management, design, and analytics to articulate technical constraints and make risk-aware decisions.
Foster a culture of quality and ownership by setting code review and design standards, and developing talent through feedback and guidance.
Affirm is a financial technology company that provides buy now, pay later solutions, aiming to make credit more honest and friendly. It is a publicly traded company with a remote-first culture and a global team, emphasizing employee well-being and growth.
Design and build backend services that decide what customers are entitled to and their usage costs.
Own end-to-end data flows, from ingesting licensing data to enforcing quotas and recording consumption.
Plan and execute live data migrations with feature flags, dual writes, backfills, and verification.
JetBrains creates intelligent software development tools for developers and teams. Over 300,000 companies and 88 of the Fortune Global Top 100 rely on their products, with a mission to make development teams more productive and AI adoptable at scale.
Design and implement high-performance, fault-tolerant distributed systems powering our SaaS platform.
Architect and optimize cloud-native microservices using Java, Spring Boot, and Kubernetes.
Collaborate with product and operations teams to improve platform reliability and developer experience.
Jitterbit is a data, application, and process workflow automation solution provider. It is a growing global company with a remote-friendly, performance-oriented culture.
Own the entire SDLC: codebase, architecture, and operations.
Design and implement new features across identity, organization, membership, group, and workspace domains.
Manage integrations with other JCP platform components and connected applications.
JetBrains creates developer tools that help software teams be more productive. With over 1,000 employees worldwide, the company fosters a culture of innovation and flexibility, offering remote work options and continuous learning opportunities.
Design, develop, and maintain scalable applications and integration services using Java and Spring Boot.
Build and support integrations between internal and external systems using APIs, web services, and integration frameworks.
Collaborate with distributed engineering, QA, and product teams throughout the full software development lifecycle.
Launchpad Technologies Inc. is a global technology partner connecting top talent with high-impact projects across North America and beyond. They specialize in Staff Augmentation and product development, offering a remote-first culture that values autonomy, purpose, and human connection.
Design, develop, and launch backend systems at scale using Python or Kotlin.
Collaborate with team and stakeholders to balance speed and quality while protecting system reliability.
Contribute to community through growth and development activities and navigate large codebases.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. They are a remote-first company that values transparency and employee well-being, offering competitive benefits and a collaborative culture.
Set technical strategy for your team on a year-long scale, driving business-impacting projects.
Collaborate across teams with product, design, and analytics to ensure technical sustainability.
Foster a culture of quality and ownership through code review standards and technical advocacy.
Affirm is a financial technology company that offers buy now, pay later services, aiming to make credit more honest and friendly. It is a large public company with a global team and a culture focused on innovation, inclusion, and employee well-being.
Build and evolve the Core Commerce Services platform from early design to production.
Shape the architecture by defining APIs, domain boundaries, and integration patterns.
Mentor and grow engineers through pairing, design discussions, and code reviews.
Redcare Pharmacy is Europe's No.1 e-pharmacy, providing online pharmacy services. The company fosters a collaborative work environment where employees feel valued and inspired.