Backend Data Engineer - Java/Scala

🏢 Summary: Contract role focused on building a next-generation payment platform using a modern, future-proof tech stack within a cross-functional team. The position centers on designing and operating data-intensive systems, developing .NET-based backend services, and ensuring reliable, scalable deployments in containerized environments. Strong emphasis is placed on database performance, distributed systems, and CI/CD automation in regulated environments. 🗂️ Requirements: Proven experience designing and operating data-intensive systems in MS SQL Server environments, Strong expertise in database performance tuning, indexing, and query optimization, Experience building backend services with .NET and C#, Solid understanding of microservices architectures and distributed systems, Experience with asynchronous messaging and event-driven systems, Hands-on experience with containerized and orchestrated environments, Experience managing or contributing to CI/CD pipelines for database and application deployments, Fluency in English 📃 Skills: MS SQL Server, .NET, C#, Microservices, DistributedSystems, Kafka, IBMMQ, Docker, Kubernetes, OpenShift, CI/CD, SQL 🏢 Description: Description Build the next-generation payment platform on a modern and future-proof tech stack. Working in a cross-functional team What we’re looking for · Proven ability to design, optimize, and operate data-intensive systems, including schema design, performance tuning, and production troubleshooting in MS SQL Server–based environments. · Deep understanding of database performance and reliability, including indexing strategies, query optimisation, and handling production issues. · Experience building and operating backend services using .NET/C#, with a solid understanding of microservice architectures and distributed systems. · Experience designing and working with asynchronous messaging and event-driven systems, using Kafka, IBM MQ, or similar technologies. · Experience running services in containerised and orchestrated environments (Docker, Kubernetes/OpenShift), with awareness of scaling, resilience, and failure modes. · Experience contributing to or owning CI/CD pipelines for database changes and deployment automation, with a focus on safe, repeatable releases. · A collaborative engineering mindset, with a willingness to share knowledge, learn continuously, and improve how the team builds and runs software. · Meritorious with experience from financial services, payments, or other regulated environments. · Strong communication skills, with fluency in English; Swedish is a plus Start date: 2026-06-26 End date: 2027-06-25 Location : Stockholm

🏢 Summary: Backend Engineer role focused on building and modernising a global payments platform using Java and microservices architecture. The position involves developing reliable backend services and creating robust test automation frameworks to ensure high-quality, scalable payment processing. The role supports migration from legacy systems to API-driven, microservices-based solutions in an Agile/DevOps environment. 🗂️ Requirements: Strong experience with Java 11+, Hands-on experience in software testing and automation frameworks, Understanding of REST APIs, Knowledge of microservices architecture, Experience with Git, Experience with Unix/Linux environments, Experience with SQL databases, Experience with Spring and Spring Boot 📃 Skills: Java, Spring, SpringBoot, SQL, Oracle, Git, Unix, Linux, REST, Microservices, Automation, Testing 🏢 Description: Build the platform that moves money around the world We’re looking for a Backend Engineer with strong Java and test automation experience to join the team behind a global payments platform that enables businesses and customers to move money quickly, securely, and globally . The platform powers international payments that help organisations pay suppliers, process salaries, transfer funds, and pay taxes directly to authorities through multiple channels. You’ll play a key role in modernising payment systems , building high-quality microservices , and developing automation frameworks that ensure reliability at scale . As part of the engineering team, you’ll help design and build reliable payment services used globally. You will: Develop and maintain backend services and microservices in Java (11/17/21) Design and implement robust test automation frameworks to ensure high-quality software delivery Support the modernisation of legacy systems , migrating towards API and microservices-based architecture Improve system efficiency by increasing Straight-Through Processing (STP) capabilities Collaborate closely with engineers, testers, and stakeholders in an Agile/DevOps environment Contribute to scalable, resilient solutions powering global payment flows Must-have experience Strong development experience with Java 11+ (Java 17+ preferred) Hands-on experience in software testing and building automation frameworks Solid understanding of RESTful APIs and microservices architecture Experience working with Git for version control Comfortable working in Unix/Linux environments and command-line tools Experience with databases and SQL (Oracle preferred) Experience with Spring / Spring Boot Nice to have Experience with Test-Driven Development (TDD) Knowledge of scripting languages such as Python or Bash Experience working within a QA or testing-focused team Understanding of application monitoring and observability tools The role has a Hybrid model : candidates form Cracow 6x per month, outside of Cracow 3 - 5 x per month, from Warsaw 6x per month

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, and high-performance backend systems for financial products. The position involves greenfield development, building REST APIs and microservices, and evolving critical systems such as payments, treasury, and crypto liquidity. The role emphasizes clean code, maintainability, and modern engineering practices in a fast-paced fintech environment. 🗂️ Requirements: 5+ years Backend development experience, Fluency in Java, Experience building REST APIs, Experience with microservices architecture, Experience with relational databases, Experience with Spring Boot, Experience with TDD, Experience with CI/CD pipelines, Bachelor’s degree in Computer Science, Mathematics, Physics or related field, Proven experience building complex, high-scale products 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI, CD, SQL 🏢 Description: Our Mission We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 3+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups. Perks: Competitive salary Own the development process that will face on the customer's impact Latest technology to work with Strong team that will help you improve your skills

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, and high-performance backend systems for financial products, including payments, treasury, transactions, and crypto liquidity. The position involves greenfield development, microservices architecture, and REST API development in a fast-paced fintech environment. The role emphasizes clean code, maintainability, and continuous delivery using modern Java technologies. 🗂️ Requirements: 5+ years of Backend development experience, Strong proficiency in Java, Experience building REST APIs, Experience developing microservices, Experience with PostgreSQL databases, Experience with Spring Boot framework, Experience with TDD and DDD, Experience with CI/CD practices, Bachelor’s degree in Computer Science, Mathematics, Physics, or Engineering, Fluency in English (written and spoken) 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI/CD, Git 🏢 Description: Our Mission We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 5+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups. Perks: Competitive salary Own the development process that will face on the customer's impact Latest technology to work with Strong team that will help you improve your skills

🏢 Summary: Backend Engineer role focused on designing and building scalable, secure, high-performance backend systems for financial products, including payments, treasury, and crypto liquidity. The position involves greenfield development, microservices architecture, and REST API design using a modern Java-based stack. Emphasis is placed on clean code, TDD, DDD, and continuous integration and delivery. 🗂️ Requirements: 5+ years of backend development experience, Strong proficiency in Java, Experience building REST APIs, Experience designing microservices architectures, Experience with PostgreSQL or relational databases, Experience with Spring Boot, Experience with TDD and DDD methodologies, Experience with CI/CD practices, Bachelor’s degree in Computer Science, Mathematics, Physics or related field, Fluent English communication skills 📃 Skills: Java, Spring, SpringBoot, PostgreSQL, REST, Microservices, TDD, DDD, CI, CD, SQL 🏢 Description: Our Mission We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays where it belongs: in our customers’ pockets. We operate with long-term ambition and absolute conviction. We are not here to iterate on the past — we are here to redesign it. This is a defining moment to join us. We are building what we believe will become one of the most important financial institutions in the world. That requires exceptional talent, relentless standards, and people who care deeply about the work. At ARQ, we are turning the financial system upside down — starting in the Americas. We are nimble, but ambitious. We move fast, learn fast, and innovate relentlessly. Technology is our greatest ally, and execution is our edge. We build as a team. We think long term. We aim for world-class in everything we do. If you are exceptional at what you do — and ready to help redefine finance — we’d love to meet you. Are you ready to build what comes next? About the team We believe that small teams with the best talent outcompete massive companies with mediocre capabilities. That's why we have gathered a set of people who have done it before at iconic companies like Revolut, Uber, Amazon, Block and UBS: we owned some of the most loved and profitable products, delivered top-notch transaction processing platforms, created beautiful mobile applications - and helped them become profitable companies that changed the lives of millions of people. In our quest to reshape the global financial system we have raised tens of millions of dollars from leading investors like Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator and Kaszek Ventures. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money. It is a hybrid role, so we expect our teammates to go to our Krakow office 2-3 times per week. What you'll be doing The work will focus on greenfield development and improvement of existing systems Projects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database We rely on Spring Boot for quick and quality delivery We have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & delivery What you'll need 5+ years of experience in Backend development, with fluency in Java Bachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplines Quick learner with an ambitious and results driven personality, with excellent communication skills (english fluency, verbal and written) Track record of building complex products that millions of people use in hypergrowth startups.

🏢 Summary: 12-month contract for a Cloud Backend Engineer to build and maintain scalable Java-based risk services for a global BNPL Risk Platform on GCP. The role focuses on designing, deploying, and operating high-availability cloud-native services that ensure secure and reliable transactions at scale. You will own end-to-end delivery from design to production in a fast-paced, high-impact environment. 🗂️ Requirements: 5–8 years of backend or web application development experience, Strong expertise in Java and J2EE, Proven experience with Spring Framework and Hibernate, Experience building RESTful APIs and web services, Hands-on experience with GCP services, Experience deploying services on Cloud Run, Experience with BigQuery, Bigtable, and Apache Pulsar, Solid understanding of object-oriented design and system architecture, Experience with CI/CD pipelines and automated testing, Ability to design scalable, reliable, multi-tenant systems 📃 Skills: Java, J2EE, Spring, Hibernate, REST, GCP, CloudRun, BigQuery, Bigtable, ApachePulsar, CICD, OOP 🏢 Description: Start: in ASAP (1 month’s time) Duration: 12 months Location: Hybrid setup from Stockholm (2-3 days per week in the office) This role sits within our clients Credit Risk Organization , supporting the Buy Now Pay Later (BNPL) Risk Platform . As a Cloud Backend Engineer, you will build and maintain scalable risk services that power global Pay Later products. You will work closely with engineering teams and product stakeholders to understand requirements, independently drive execution, and deliver high-quality, production-ready solutions. Your work will play a critical role in protecting the platform , ensuring secure, reliable, and risk-aware transactions for millions of customers worldwide. This is a fast-paced, high-impact environment where innovation is encouraged and ownership is expected. You will leverage modern cloud technologies to solve complex, mission-critical problems at global scale. Main Responsibilities Design, develop, and maintain robust Java Spring–based risk services , ensuring scalability, multi-tenancy, and seamless integration with PayPal’s internal platforms on Google Cloud Platform (GCP) . Own the end-to-end quality of deliverables across the software development lifecycle, including design, implementation, testing, deployment, and post-production support. Build and deploy Java services on Cloud Run , integrating with BigQuery, Bigtable, and Apache Pulsar –based systems. Collaborate closely with cross-functional teams —engineering, product, and business stakeholders—to define requirements and execute scalable solutions. Contribute to operational excellence , ensuring high availability, reliability, observability, and resilience of application services and infrastructure. Proactively identify and address performance, scalability, and reliability risks in production systems. Key Requirements Strong expertise in Java/J2EE, Spring Framework, Hibernate Proven experience building RESTful APIs and web services Hands-on experience with GCP (Cloud Run, BigQuery, Bigtable, Apache Pulsar) Solid foundation in object-oriented design, system architecture, and scalability Experience with CI/CD pipelines and automated testing frameworks 5–8 years of experience in software design and backend/web application development. Other Details This is a fast-paced, high-impact role requiring collaboration with various teams and stakeholders in an innovative environment, focusing on operational excellence in delivering scalable solutions.

🏢 Summary: Backend Java Engineer role focused on developing and modernizing a high-load B2B gaming back-office platform processing millions of real-time transactions daily. The position involves building new features, improving scalability and reliability, and evolving a monolithic system toward distributed services. You will contribute to architectural design, performance optimization, and production issue resolution. 🗂️ Requirements: 5+ years of Java development experience, Strong knowledge of backend architecture, Experience with distributed systems, Experience with relational databases and SQL, Experience with message-driven systems, Experience refactoring production systems, Strong debugging and problem-solving skills, Intermediate English or higher 📃 Skills: Java, Spring, MSSQL, SQL, Kafka, Redis, Microservices 🏢 Description: Role Overview: We are looking for an experienced Java Engineer to join the client's backend team, which is working on the back-office platform of a high-load B2B gaming system. Their platform processes millions of transactions daily and supports real-time operations for multiple partners. As the system continues to grow, the engineering team is expanding to improve scalability, performance, and reliability, while gradually evolving parts of the platform from a monolithic architecture toward distributed services. You will work on both new functionality and architectural improvements, helping modernise critical parts of the platform. Technology Stack: Java 8 / Java 17, Spring Framework, MSSQL 2019, Kafka, Redis, distributed services with parts of the system still evolving from a monolithic architecture. Key Responsibilities: Develop new backend functionality for the platform; Improve system performance, scalability, and reliability; Participate in refactoring and modernisation of legacy components; Contribute to architectural discussions and technical design; Investigate and resolve production issues; Assess technical feasibility and complexity of business requirements; Collaborate closely with backend engineers, technical leads, and product teams Required Skills & Experience: 5+ years of Java development experience; Strong understanding of backend architecture and distributed systems; Experience working with relational databases and SQL; Familiarity with message-driven systems (Kafka or similar); Experience in improving or refactoring existing production systems; Strong problem-solving and debugging skills; Comfortable working in collaborative environments with code reviews and shared ownership of the codebase; English level: Intermediate or higher. The company guarantees you the following benefits: Global Collaboration: Join an international team where everyone treats each other with respect and moves towards the same goal; Autonomy and Responsibility: Enjoy the freedom and responsibility to make decisions without the need for constant supervision; Competitive Compensation: Receive competitive salaries reflective of your expertise and knowledge as our partner seeks top performers; Remote Work Opportunities: Embrace the flexibility of fully remote work, with the option to visit company offices that align with your current location; Flexible Work Schedule: Focus on performance, not hours, with a flexible work schedule that promotes a results-oriented approach; Unlimited Paid Time Off: Prioritise work-life balance with unlimited paid vacation and sick leave days to prevent burnout; Career Development: Access continuous learning and career development opportunities to enhance your professional growth; Corporate Culture: Experience a vibrant corporate atmosphere with exciting parties and team-building events throughout the year; Referral Bonuses: Refer talented friends and receive a bonus after they successfully complete their probation period; Medical Insurance Support: Choose the right private medical insurance and receive compensation (full or partial) based on the cost; Flexible Benefits: Customise your compensation by selecting activities or expenses you'd like the company to cover, such as a gym subscription, language courses, Netflix subscription, spa days, and more; Education Foundation: Participate in a biannual raffle for a chance to learn something new unrelated to your job as part of your commitment to ongoing education. Interview process: HR Interview with the Recruiter; Technical interview with the team; A 2-hour Final interview with the team. If you find this opportunity right for you, don't hesitate to apply or get in touch with us if you have any questions!

🏢 Summary: Senior Backend Engineer role focused on defining the technical direction and architecture of a domain within a borderless financial platform. The position involves designing scalable microservices, driving architectural decisions, and leading a small backend team in a distributed environment. The role emphasizes reliability, security, and high‑volume transaction processing in a cloud-based ecosystem. 🗂️ Requirements: 4-7 years backend engineering experience, Proficiency in Go, Experience with Java 21 or modern Java, Experience designing microservices with clear contracts, Experience with caching strategies including TTL and invalidation, Experience with event-driven or asynchronous architectures, Experience with structured logging, metrics, and alerting, Experience with AWS services, Experience with relational and non-relational databases, Experience with Spring Boot or similar frameworks, Experience reviewing code and architectural decisions, Availability to work in GMT+5:30 timezone 📃 Skills: Java, Go, Spring, JDBI, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS, EKS, ALB, RDS, S3, Kong, Datadog, Quickwit, JWT, RBAC, TLS, Docker, ArgoCD, GitHub, Microservices, Kafka, CDC 🏢 Description: Project overview This project focuses on developing a borderless financial platform that supports international banking flows, payments, account management and regulatory compliant operations. The product handles sensitive data and high volume transactions while prioritising reliability and security. Team You will work in a distributed environment with backend engineers, a product manager and platform specialists. The role involves leading a sub team of three to five engineers, conducting design reviews, ensuring code quality standards and supporting collaborative decision making. Position overview We are looking for a Senior Backend Engineer who will define the technical direction of a backend domain and drive architectural decisions. You will design microservices, create scalable solutions, guide a small engineering group and collaborate closely with product specialists to shape the delivery roadmap. We are looking for a person willing to work in the time zone: GMT+5:30. Technology stack Java 21, Go, Spring Boot, JDBI, custom workflow engines, PostgreSQL, CockroachDB, DynamoDB, Redis, SQS, SNS, Kafka, AWS EKS ALB RDS S3 Secrets Manager, Kong API Gateway, Datadog, Quickwit, JWT RBAC TLS request and response encryption VAPT, GitHub Actions, Docker, ArgoCD, microservices, event driven architecture, saga and orchestration patterns, CDC pipelines, maker checker workflows Responsibilities Plan and design backend microservices with clear boundaries and contracts Develop solutions for domains such as onboarding, payments, transaction orchestration or platform components Break complex epics into actionable tasks with clear acceptance criteria Review designs from other engineers to ensure scalability and fault tolerance Drive technical decisions including caching layers, asynchronous processing strategies, database choices and API versioning Evaluate build versus buy options for integrations and services Collaborate with a product manager to align on scope and prioritisation Lead a sub team of backend engineers and support their professional growth Support incident response, root cause analysis and long term improvements Monitor service performance using logging, metrics and tracing tools Requirements Professional backend engineering experience from 4-7 years Experience with Go (tooling & CLIs) Experience designing microservices with well-defined contracts and boundaries Experience with Java 21 or modern Java versions Experience with caching strategy design, including TTL and invalidation approaches Experience working with asynchronous processing, event-driven architecture, or queue-based workflows Experience using structured logging, metrics, and alerting to debug production systems Experience in making build versus buy decisions with clear trade-off analysis Experience reviewing code and identifying architectural or contract issues Experience with AWS-based services Experience working with relational and non-relational databases such as PostgreSQL or DynamoDB Experience writing backend services using Spring Boot or similar frameworks Nice to have Experience with financial or payments related systems Experience with KYC or AML flows Experience with workflow or orchestration engines Experience with platform wide pattern creation or reusable service design Experience with data encryption practices and security audits Experience with CockroachDB or high availability distributed databases What We Offer: Vacation days : Up to 26 business days per year. 10 illness/special days off per year (fully paid, no medical papers needed) for all contract types Health and life insurance (Luxmed) MyBenefit platform with Multisport option Internal psychological support service English language classes from the first working day Access to external learning platforms : O’Reilly, LinkedIn Learning, Udemy, and a wide catalog of diverse internal training Flexible workplace : work from the office, from home, or choose a hybrid option Tech Skills Mentoring Program Opportunities to develop as a public speaker, mentor, or technical interviewer Fully paid idle (bench) when not involved in a project Certification reimbursement (AWS, GCP, Microsoft, etc.)

🏢 Summary: Software Engineer role focused on building and scaling backend systems, capital partner integrations, and testing infrastructure for funding automation services. The position involves delivering technical solutions, improving engineering standards, and ensuring reliability and availability of critical systems. The engineer collaborates cross-functionally to design extensible architectures and ship high-quality web applications. 🗂️ Requirements: 4+ years of software engineering experience, Experience designing, developing, and launching backend systems at scale, Experience building web applications with declarative UI frameworks, Experience defining technical plans for significant features or system components, Proficiency working in large codebases and making significant changes safely, Ability to ensure system reliability, monitoring, and operational support, Strong written and verbal technical communication skills 📃 Skills: Python, React, Vue, AWS, MySQL, Kubernetes, Spark 🏢 Description: Our customer's company is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Deal Reporting team is responsible for building our critical capital partner integrations, as well as services to automate funding processes safely and reliably. We are looking for a highly motivated Software Engineer to help with our effort on building integrations, services, and testing infrastructure. Responsibilities: 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 stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. You will proactively identify project, process, technology or business issues, advocate for them, and lead in solving them. You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts. You will foster a culture of quality and ownership on your team by setting or improving code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance and leading by example. Requirements: You have a total of 4+ years of experience as a software engineer. You are experienced in designing, developing, and launching backend systems at scale technologies like React, Python, AWS, MySQL, and Kubernetes. You have experience shipping web apps using declarative UI frameworks like React or Vue. Familiarity with Spark is a plus. You have experience defining a technical plan for the delivery of a significant feature or system component with an elegant, simple, and extensible design. You write high-quality code that is easily understood and used by others. You are proficient at making significant changes in a large code base, and have developed a suite of tools and practices that enable you and your team to do so safely. Your experience demonstrates that you take ownership of your growth, proactively seeking feedback from your team, your manager, and your stakeholders. You have strong verbal and written communication skills that support effective collaboration with our global engineering team.

🏢 Summary: Entry-level Backend Engineer role focused on supporting the development of backend services and REST APIs under senior guidance. The position involves contributing to production systems, writing tested and maintainable code, and collaborating within a cross-functional engineering team. Ideal for candidates with foundational Java experience seeking hands-on experience in scalable and secure systems. 🗂️ Requirements: Bachelor's degree in Computer Science or related field (or currently pursuing), Minimum 0.5 years of Java experience, Practical experience with RESTful APIs, Ability to work with HTTP methods, status codes, and JSON, Experience writing SQL queries (SELECT, JOIN, WHERE, GROUP BY) or using ORM, Basic understanding of SQL and NoSQL differences, Knowledge of data structures and algorithms, Ability to use Git in a team environment (branching, pull requests, merge conflicts), Experience writing unit tests, Experience contributing code to production through review and deployment process 📃 Skills: Java, REST, HTTP, JSON, SQL, NoSQL, ORM, Git, JUnit, Pytest, Jest, CI, Algorithms, DataStructures, APIs, Testing 🏢 Description: (5190) About This Role You will be a part of the Engineering team and reports to our Manager, Engineering. You will support the development of backend services and APIs that power customer’s products. Working under close guidance from experienced engineers, you will gain hands-on experience contributing to real-world systems while learning best practices in software development, scalability, and security. Key Responsibilities Support the development of backend services and APIs under direct supervision of senior engineers Assist with writing clean, maintainable, and well-documented code following team standards Help debug, test, and troubleshoot backend systems and services Contribute to small tasks or components within larger projects Collaborate with cross-functional teams including Frontend, Product, and DevOps Participate in code reviews and apply feedback to improve technical skills Assist in writing unit tests and validating functionality Document technical processes and development work Required Qualifications Bachelor's degree in Computer Science or a related field; Currently pursuing is also an option Strong theoretical knowledge of Java, at least 0.5 years of experience Practical experience building and consuming RESTful APIs — HTTP methods, status codes, JSON, request/response handling, basic error handling. Working knowledge of databases — has written real SQL queries (SELECT, JOIN, WHERE, GROUP BY) or used an ORM in production code; understands the difference between SQL and NoSQL at a basic level. Solid understanding of data structures and algorithms — arrays, hash maps, trees, basic Big-O analysis — sufficient to discuss simple coding problems and reason about correctness. Comfortable with Git in a team setting — branching, pull requests, code review, addressing feedback, resolving merge conflicts; has worked in a shared repository with at least one other developer. Hands-on experience writing unit tests for their own code (pytest, JUnit, Jest, or equivalent), and basic familiarity with how testing fits into a CI pipeline. Demonstrated ability to ship code to production — even small features or bug fixes — through a real review and deployment process; ability to clearly describe what they built, how it was reviewed, and how it was tested. Genuine interest in cryptocurrency, blockchain, or Web3 (self-taught is fine — owning crypto, reading, side projects, hackathons) and willingness to learn the regulated FinTech context; English level: Upper-intermediate or higher, sufficient for daily team communication and code review discussions. Bonus: exposure to Linux / command line, Docker basics, message queues (Kafka, RabbitMQ), cloud platforms (AWS, GCP), open-source contributions, hackathon participation, or an active public GitHub portfolio.