Lead Software Engineer (.NET)

🏢 Summary: Advanced Software Engineer role focused on designing and building scalable, secure cloud-native software for a high-scale web platform and automation framework. The position involves developing distributed systems, REST APIs, and serverless solutions in a modern cloud environment. You will contribute to architecture, testing strategy, and technical mentorship within an agile team. 🗂️ Requirements: Bachelor’s degree in Computer Science or related field, Minimum 2 years of software development experience, Experience with object-oriented programming using C# or Java, Experience with HTML5, JavaScript, and CSS, Experience building REST APIs, Experience developing cloud-native solutions, Experience working in an agile team, Knowledge of full application stack development, Ability to design scalable and secure systems, Experience with unit and integration testing 📃 Skills: C#, Java, HTML5, JavaScript, CSS, REST, Azure, AzureFunctions, ServiceBus, Serverless, CloudNative, AzureDevOps, DevOps, OOP, Agile, Testing, DomainDrivenDesign, EventDrivenArchitecture 🏢 Description: Job Overview Here at Relativity, we prioritize flexibility and work-life harmony. Our Hybrid work environment provides options tailored to your role and location, aiming to enhance engagement, connectivity, and productivity. Join us to experience a culture of collaboration and innovation, where connecting in-person adds value to our collective growth. Let's work together! As an Advanced Software Engineer at Relativity, you will use your development expertise, working on software projects to build our software platform, Relativity. You will help solve complex problems as we continue to improve and build great technology. This role reports into the Manager of Software Engineering. You will work on projects on a highly scalable and dynamic web system and serverless technologies. This is all using many of the newest, cloud-based technologies. You will build highly distributable systems composed of multiple databases, processing, and webservers within the massive data field. Our team owns Automated Workflows, an extensible cloud-based automation framework that connects and automates processes across distributed systems in Relativity. This is a very exciting product that has a tremendous impact for our customers. It allows them to set up automation to reduce or even eliminate the need to perform manual tasks, saving them time and enabling them to focus on other important tasks within their business. With thousands of automated runs every day and the ability to be extended by 3rd Party developers, we are focused on enhancing the capabilities of a very robust and scalable solution. Job Description and Requirements Job Responsibilities Design performant, scalable, and secure software to a high degree of quality – not simply focusing on meeting requirements Work together with a software development team to ship high-quality, performant, secure software that operates on data at a massive scale Focus on quality through comprehensive unit and integration testing and static analysis and rigorous test strategy development Improve the software development process by recommending and instituting changes in policies and procedures Participate in pair programming to improve software quality and completeness and share design and implementation knowledge Mentor less experienced engineers and provide technical guidance to build new leaders from within the team Minimum Qualifications Bachelor’s Degree (or equivalent) in Computer Science or related disciplines At least 2 years of experience in Software Development Experienced in Object Oriented Programming utilizing C#, Java or similar Experienced in HTML5, JavaScript, CSS, and related web technologies Experience building REST APIs and Cloud-Native solutions Experience working on an agile software team Knowledge of software engineering disciplines, including the ability to work comfortably in all layers of the Application Stack Preferred Qualifications Understanding of DevOps principals, experience with Azure DevOps is a plus Experience designing and developing highly scalable solutions in Azure or other cloud platforms is a plus Experience in Azure Functions, Azure Service Bus, Serverless Technologies and related cloud technologies Experience in Domain Driven Design Principles and Event Driven Architecture is a plus Excellent Knowledge of new technology trends and their application in the marketplace. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program Relativity is a diverse workplace with different skills and life experiences-and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 160 000 and 240 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Engineering Principle, Hardware Integration, Innovation, Problem Solving, Process Improvements, Quality Assurance (QA), Research and Development, System Designs, Technical Documents, Troubleshooting

🏢 Summary: Senior Software Engineer role focused on building and operating a cloud-native engineering platform using .NET and Azure. The position centers on developing scalable platform services, Infrastructure as Code, and CI/CD automation to enhance developer productivity. You will drive DevOps practices, cloud infrastructure standardization, and platform observability in a fast-paced environment. 🗂️ Requirements: 5+ years of software development experience, Strong proficiency in C# and .NET, Hands-on experience with Microsoft Azure, Experience with Infrastructure as Code, Experience with CI/CD systems and DevOps pipelines, Experience with containers and orchestration tools, Ability to design scalable and secure cloud-native architectures, Agile team experience 📃 Skills: C#, .NET, Azure, Terraform, Bicep, ARM, CI/CD, DevOps, Docker, Kubernetes, AKS, IaC 🏢 Description: Posting Type Hybrid / Remote Job Overview We are looking for a Senior Software Engineer to join our Engineering Platform team, where you'll help build the cloud-native backbone that powers Relativity’s development ecosystem. You will work on high-impact initiatives that shape how our engineers build, test, deploy, and scale software—driving technical excellence across the company. As part of a growing and financially stable organization, you’ll have the opportunity to contribute in a dynamic, fast-moving environment that values autonomy, ownership, and practical action over excessive process. Our platform engineers are trusted with solving complex problems at scale, and empowered to make real decisions that improve the day-to-day experience of hundreds of developers. Job Description and Requirements Key Responsibilities Design, build, and operate platform services and developer tooling using .NET and Microsoft Azure that are scalable, secure, and reliable. Lead the development of Infrastructure as Code (IaC) components that automate and standardize cloud infrastructure. Drive adoption of DevOps practices and CI/CD automation across engineering teams. Collaborate closely with internal stakeholders to build reusable capabilities that improve development speed and consistency. Integrate observability, performance monitoring, and self-service tooling into the platform ecosystem. Mentor and support engineers through code reviews, technical discussions, and knowledge-sharing. Proactively identify areas of improvement, experiment with solutions, and deliver results—embracing our bias toward action. Contribute to initiatives that embed AI/ML into platform services and developer workflows. Qualifications 5+ years of software development experience with a strong command of C# and the .NET ecosystem. Deep hands-on experience with Azure services and cloud-native application patterns. Proficiency with Infrastructure as Code tools such as Terraform, Bicep, or ARM templates. Experience building or supporting CI/CD systems and modern DevOps pipelines. Familiarity with containers and orchestration tools (e.g., Docker, Kubernetes, AKS). Demonstrated success working in Agile product teams and collaborating cross-functionally. Strong problem-solving, communication, and mentorship skills. Bonus: Exposure to AI/ML tools or interest in applying AI to platform and engineering problems. Why Join Us? Be part of a growing, stable company where your work has long-term impact. Thrive in a fast-paced, evolving environment with clear opportunities for technical and career growth. Work in an engineering culture that values initiative, speed, and ownership. Shape the tools, practices, and environments that empower hundreds of engineers daily. Contribute to a mission-driven organization committed to innovation and excellence. Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Long-term incentive program Training investment program All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 208 000 and 312 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Automation, Data Analysis, Database Management, Network Architecture, Performance Optimizations, Problem Solving, Project Management, Software Development, System Designs, Technical Leadership

🏢 Summary: Lead Software Engineer role focused on building and scaling secure, cloud-native data transfer infrastructure for a SaaS platform using Azure and distributed systems technologies. The position involves leading multi-team engineering initiatives, improving reliability and observability, and guiding best practices for scalable software delivery. Candidates will work on high-throughput systems, CI/CD automation, Kubernetes environments, and infrastructure-as-code solutions. 🗂️ Requirements: 7+ years building distributed SaaS systems, 3+ years leading engineering initiatives or teams, Experience with .NET or C#, Deep expertise in Azure, Experience with AKS, Experience with Service Bus or Event Hubs, Experience with Cosmos DB or SQL, Experience with multi-region architectures, Ownership of SLO/SLA outcomes, On-call leadership experience, Root cause analysis experience, Experience with observability and OpenTelemetry, Experience with CI/CD pipelines, Experience with GitHub Actions or similar tools, Experience with canary or blue-green deployments, Experience with feature flags and automated rollback, Strong English communication skills, Bachelor’s degree in Computer Science, Engineering, or equivalent experience 📃 Skills: Azure, AKS, ServiceBus, EventHubs, CosmosDB, SQL, .NET, C#, OpenTelemetry, GitHubActions, CI/CD, Kubernetes, Pulumi, Kafka, ETL, FinOps, Docker, Observability, SaaS 🏢 Description: Job Overview WHO WE ARE Relativity is a leading legal data intelligence company building technology that helps users organize data, discover the truth, and act on it with confidence. Our AI-powered, cloud platform, RelativityOne, transforms massive volumes of complex information into actionable insights for litigation, investigations, regulatory inquiries, data breach responses, and other high-stakes legal work where accuracy and trust are crucial. The world’s largest law firms, corporations, and government agencies rely on Relativity’s legal AI software to securely surface and manage the most relevant and impactful information in their matters. Beyond our commercial impact, we are committed to expanding access to technology and supporting pro bono legal work. WHAT WE DO At Relativity, engineers do more than write code - they build systems that enable users to uncover insights from complex data at scale using cloud-native architecture, AI, and modern tools. Join the Data Transfer group within our Ingestion Department, a high-impact engineering team responsible for building and scaling the infrastructure that powers secure, reliable, and high-throughput data movement across our SaaS platform. ABOUT THE ROLE We are seeking an experienced Lead Software Engineer to develop software and guide a team in applying engineering best practices to deliver high-quality, maintainable, and scalable systems. This role serves as a technical liaison across teams, helping resolve dependencies, improve engineering processes, and proactively identify and mitigate risks to software delivery. Job Description and Requirements WHAT YOU’LL DO Define architecture strategy and non-functional design to meet SLO/SLA and cost goals, ensuring security-by-default and regulatory alignment Lead multi-team Azure delivery and enable safe deployments across services such as AKS, Event Hubs/Service Bus, and Cosmos DB or SQL Implement practices such as policy-as-code, canary and blue-green deployments, environment parity, and automatic rollback Own reliability and observability through standardized tracing, metrics, and logging, as well as SLOs, error budgets, and actionable alerting Drive post-incident improvements by leading root cause analysis and implementing fixes that prevent recurrence Champion Infrastructure as Code and platform “paved roads” to improve consistency and developer experience Guide engineers through design reviews and establish clear quality standards while unblocking cross-team dependencies Collaborate with Product to make data-informed trade-offs across reliability, cost, and delivery speed Influence stakeholders across teams by negotiating priorities, mediating conflicts, and managing expectations Support team growth by contributing to development plans, delivering actionable feedback, and raising the hiring bar Communicate effectively through architectural decision records (ADRs) and narratives that connect technical trade-offs to customer and business outcomes WHAT WE’RE LOOKING FOR Required: 7+ years of experience building distributed SaaS systems using .NET/C# or similar technologies, including 3+ years leading initiatives or teams Deep expertise in Azure, including AKS, Service Bus/Event Hubs, and Cosmos DB or SQL, as well as multi-region patterns Proven ownership of SLO/SLA outcomes, including on-call leadership and driving root cause analyses that eliminate repeat incidents Strong experience with observability at scale, including OpenTelemetry tracing, metrics, logging, dashboards, and alert design Experience with CI/CD practices, including GitHub Actions or similar tools, canary/blue-green deployments, feature flags, and automated rollback Strong stakeholder communication skills with the ability to influence across teams and communicate clearly in English Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience Preferred: Experience with FinOps practices including cost modeling, right-sizing, autoscaling strategies, and capacity planning Strong background in Infrastructure as Code (e.g., Pulumi), Kubernetes operations, and container security practices Experience in platform enablement, including internal SDKs, templates, and “golden paths” Familiarity with service mesh technologies Experience with data streaming systems such as Kafka or Azure Event Hubs, and large-scale ingestion/ETL pipelines Knowledge of multi-tenant scaling techniques, including throttling and backpressure strategies WHY WE COULD BE A GREAT FIT Impactful Mission Build systems that help customers organize data, discover the truth, and act on it in high-stakes legal matters. Engineering at Scale Work on distributed, cloud-native systems that process large volumes of data. Cutting-Edge Technology Build with AI, cloud platforms, and scalable architectures shaping legal tech. Growth and Ownership Gain experience owning systems end-to-end across cloud and distributed environments. Collaborative Culture Work in a team focused on knowledge sharing and continuous improvement. Inclusive Environment Diverse perspectives create stronger teams and better outcomes. Compensation and Benefits Competitive salary, benefits, DTO, parental leave, and equity program. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 270 000 and 406 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Documentations, Innovation, Leadership, Problem Solving, Process Improvements, Project Management, Quality Assurance (QA), Risk Management, Technical Knowledge, Troubleshooting

🏢 Summary: Design and develop cloud-native Import/Export services for a SaaS platform, focusing on scalable architecture, reliability, and high-throughput data movement. The role involves building distributed systems in a senior team, ensuring operational excellence, and driving CI/CD automation in a production environment. 🗂️ Requirements: 3+ years experience with C#/.NET or similar backend technologies, Experience designing distributed and event-driven SaaS systems, Production ownership experience (on-call rotations, RCA), Experience with cloud-native development (Azure or other cloud), Hands-on experience with CI/CD automation and automated testing, Ability to design architectures meeting SLO/SLA targets, Bachelor’s degree in Computer Science, Engineering or equivalent experience, English fluency for technical communication 📃 Skills: C#, .NET, Azure, CI/CD, SaaS, DistributedSystems, EventDrivenArchitecture, Cloud, Automation, Testing 🏢 Description: Job Overview As a Advanced (Mid) Software Engineer, your primary mission will be to design, write, test, deploy, and support our Relativity software products. You will work in an established, senior team with business stakeholders to develop the product, features and services that drive and evolve our Relativity One SaaS. You will join Relativity’s Import Export organization, a high-impact engineering team at the heart of our Ingestion Department. We build and scale the infrastructure that powers secure, reliable, and high-throughput data movement across our SaaS platform. Job Description and Requirements Your Role in Action Create architecture and non-functional design for Import/Export services that meet SLO/SLA targets Decompose complex problems into resilient, cloud-native designs Deliver milestones with measurable outcomes Drive operational excellence using observability data to prioritize work, automate alerts, and expose trustworthy metrics CI/CD by designing automation that keeps deployments predictable and compliant Required Skills and Experience 3+ years shipping C#/.NET or similar services with measurable reliability or performance gains Design for distributed and event driven SaaS systems, translating business needs into resilient designs Production ownership experience: on-call rotations and RCAs Cloud-native delivery (any cloud is fine, we're on Azure) Hands-on CI/CD automation, automated testing, and deployment governance Bachelor's degree in Computer Science, Engineering, or equivalent experience; English fluency for technical communication Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 160 000 and 240 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Engineering Principle, Hardware Integration, Innovation, Problem Solving, Process Improvements, Quality Assurance (QA), Research and Development, System Designs, Technical Documents, Troubleshooting

🏢 Summary: Senior Software Engineer role focused on architecting and developing model-based SaaS applications within a Data Breach Response engineering team. The position involves leading technical design, driving best practices, and improving CI/CD and developer productivity. The engineer will work across the stack to deliver scalable, high-quality software solutions aligned with business goals. 🗂️ Requirements: 5+ years of professional software development experience, 2+ years of experience delivering SaaS products, Strong knowledge of algorithms, data structures, and computational complexity, Proficiency in at least one of: Java, Python, C#, In-depth experience with at least two of: GitHub, Azure DevOps, GitLab, Jenkins, Experience with CI/CD tooling and practices, Ability to design technical solutions from specifications, Experience leading technical design and guiding best practices, Experience implementing redundancy and disaster recovery solutions 📃 Skills: Java, Python, C#, SaaS, Algorithms, DataStructures, ComputationalComplexity, GitHub, AzureDevOps, GitLab, Jenkins, CICD, DevOps, Redundancy, DisasterRecovery 🏢 Description: Job Overview Are you looking to be in a workplace where colleagues inspire one another, working together to build AI software solutions? We're looking for a Senior Software Engineer to join our Relativity Data Breach Response Engineering team. Job Description and Requirements Job Responsibilities Architect, design, and develop model-based applications Guide product improvements across schema, framework, and platform Lead the team to best-practice technical design, by example and through collaboration Understand department-wide initiatives and guidelines, work with teams to ensure implementation is aligned with Engineering-wide policies and direction Maintain a backlog of tools or technology enhancements to improve the maintainability and quality of the solutions Encourage teams to work collaboratively by advising and enforcing best practices when needed Stay up-to-date with technologies and best practices related to CI/CD tooling and developer productivity Qualifications 2+ years of professional experience delivering successful SaaS products. 5+ years of professional experience in software development Strong computer science fundamentals in algorithms, data structures and computational complexity A self-starter driven to make an impact Strong Communications skills, experience leading teams Proficiency in multiple programming languages, e.g: Java, Python, C# Able to learn at multiple levels of the stack – from fine-granularity technical implementation to high level control- and data-flow. Comfortable working from Specifications to create a Technical Approach and scoping work Able to consider the Engineering solution in the business context Obsession with software quality and empathy for customer experience In-depth technical understanding and experience with at least two of the following DevOps Platforms: GitHub, Azure DevOps, GitLab, and Jenkins Experience implementing redundancy and disaster recovery scenarios Nice to Have Experience building AI-powered products that use Natural Language Processing or Machine Learning Knowledge of Linux Knowledge of NoSQL database systems such as MongoDB, Redis, Elasticsearch Fundamental knowledge of Kubernetes and container-based systems Relativity is a diverse workplace with different skills and life experiences—and we love and celebrate those differences. We believe that employees are happiest when they're empowered to be their full, authentic selves, regardless how you identify. Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Training investment program All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 208 000 and 312 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position.

🏢 Summary: Lead Software Engineer role in the banking sector focused on delivering and modernizing a Global Disbursement Platform using Java and React within an Agile environment. The position involves building microservices, migrating legacy systems to API-based architectures, implementing test automation, and leading an international team. Long-term B2B contract with hybrid work model and English-speaking project environment. 🗂️ Requirements: Java 11+ expertise, Experience with Kubernetes, Proficiency in Git, Experience with Unix-based systems, Strong SQL knowledge, Experience with Oracle databases, Understanding of RESTful microservices, Experience with APIs, Knowledge of JavaScript, Experience with React, Ability to lead technical team, Experience with automated testing frameworks 📃 Skills: Java, Kubernetes, Git, Unix, SQL, Oracle, REST, APIs, JavaScript, React, Spring, SpringBoot, HTTP, Microservices 🏢 Description: 🌍Work mode: hybrid (preferably from Krakow or Warsaw): • People from Krakow and Warsaw - 6x per month in the office. • People outside of Krakow and Warsaw - 4-5x per month in the office. ⏰Start: ASAP/30 days. 📝Contract: B2B. ⚙️Recruitment process: · I stage: technical interview 1h on zoom, live coding. · II stage: karat test online. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. The Lead Software Engineer role aims to support the delivery of high-quality projects for the Global Disbursement Platform, enhancing business operations in financial transactions through effective analysis, Agile design, and stakeholder management. Main Responsibilities Building and supporting services, microservices, and applications (back-end & front-end) in Java 11/17/21 and ReactJS, while maintaining standard products. Migrating from mainframe and IBM WebSphere to modern integration approaches using APIs or microservices. Reducing testing costs by implementing automation testing frameworks. Increasing Straight-Through-Processing (STP) capabilities of services. Leading the India Team. Key Requirements: Perfect English skills. Java 11+ expertise (Java 17+ preferred). Kubernetes experience. Proficiency in Git. Fluency in Unix-based systems and command-line interfaces. Database technologies and SQL knowledge ( Oracle preferred). Understanding of RESTful microservices and APIs . Experience with HTTP web technologies, particularly JavaScript and React. Nice to Have: Experience in a DevOps delivery team. Understanding of application monitoring. Knowledge of Spring/Spring Boot. Other Details: Team Structure: Leading an India Team. Work Environment: Agile methodology. Technologies: Java, Kubernetes, APIs, SQL.

🏢 Summary: Lead Software Engineer role in the banking sector focused on delivering and modernizing the Global Disbursement Platform using Java and React technologies. The position involves building microservices, migrating legacy systems to modern APIs, implementing test automation, and leading an international team. Long-term B2B contract with hybrid work model and full-time engagement. 🗂️ Requirements: Java 11+ expertise, Experience with Kubernetes, Proficiency in Git, Fluency in Unix-based systems, Knowledge of SQL and database technologies, Understanding of RESTful microservices and APIs, Experience with HTTP web technologies, Experience with JavaScript and React, Professional English proficiency 📃 Skills: Java, Kubernetes, Git, Unix, SQL, Oracle, REST, API, HTTP, JavaScript, React, Spring, SpringBoot 🏢 Description: 🌍Work mode: hybrid (preferably from Krakow or Warsaw): • People from Krakow and Warsaw - 6x per month in the office. • People outside of Krakow and Warsaw - 4-5x per month in the office. ⏰Start: ASAP/30 days. 📝Contract: B2B. ⚙️Recruitment process: · I stage: technical interview 1h on zoom, live coding. · II stage: karat test online. ⏳Duration: >12 months contracts. 📕Project language: English. 💼Industry: Banking. 💻Workload: Full time. The Lead Software Engineer role aims to support the delivery of high-quality projects for the Global Disbursement Platform, enhancing business operations in financial transactions through effective analysis, Agile design, and stakeholder management. Main Responsibilities Building and supporting services, microservices, and applications (back-end & front-end) in Java 11/17/21 and ReactJS, while maintaining standard products. Migrating from mainframe and IBM WebSphere to modern integration approaches using APIs or microservices. Reducing testing costs by implementing automation testing frameworks. Increasing Straight-Through-Processing (STP) capabilities of services. Leading the India Team. Key Requirements: Perfect English skills. Java 11+ expertise (Java 17+ preferred). Kubernetes experience. Proficiency in Git. Fluency in Unix-based systems and command-line interfaces. Database technologies and SQL knowledge ( Oracle preferred). Understanding of RESTful microservices and APIs . Experience with HTTP web technologies, particularly JavaScript and React. Nice to Have: Experience in a DevOps delivery team. Understanding of application monitoring. Knowledge of Spring/Spring Boot. Other Details: Team Structure: Leading an India Team. Work Environment: Agile methodology. Technologies: Java, Kubernetes, APIs, SQL.

🏢 Summary: Lead Software Engineer role in a hybrid model, combining hands-on development and team leadership to build next-generation Middle and Back-office financial systems. The position focuses on architecting and delivering scalable, cloud-native platforms supporting global trading and portfolio operations. The role includes direct people management and close collaboration with finance and portfolio stakeholders. 🗂️ Requirements: 10+ years of commercial software development experience, 2+ years of formal engineering team leadership experience, Strong expertise in C# or strong OOP background, Experience designing and building cloud-native applications, Experience with enterprise messaging systems, Experience with distributed architectures, Experience with large-scale data processing, Experience with modern databases such as Snowflake, Ability to manage large-scale technical projects, Degree in Computer Science, Mathematics, Engineering or related field 📃 Skills: C#, OOP, Cloud, Messaging, Distributed, Snowflake, SQL, Databases, DevOps, Architecture, Data 🏢 Description: Hybrid model: 3 days/week in the office For our client, a top-tier global quantitative investment firm expanding its Warsaw technology hub, we are looking for a Lead Software Engineer. The company is currently engaged in a multi-year strategic initiative to build next-generation Middle and Back-office systems that support their global trading operations, portfolio management, and overall firm growth. This is a strict Player-Coach role (60-70% hands-on coding & architecture / 30-40% management) . You will be actively building software while directly managing a compact team of 4 to 6 engineers. You will also take ownership of stakeholder management, gathering requirements directly from global finance, tax, and portfolio management teams. What you will do: Code & Architect (60-70%): Lead the end-to-end design, architecture, and delivery of highly scalable financial technology platforms. Lead & Mentor (30-40%): Manage a team of 4-6 developers, conduct 1:1s, performance reviews, and guide their career development. Drive the adoption of engineering best practices across code quality, cloud-native architecture, and DevOps. Ensure platforms are highly reliable, recoverable, and scalable to support increasing daily data volumes and analytics requirements. Collaborate directly with global product and engineering teams to translate complex business needs into technical implementations. Requirements: 10+ years of commercial software development experience. 2+ years of formal experience leading engineering teams (people management) and driving large-scale projects. Deep engineering expertise in C# (or strong OOP background with a willingness to transition). Proven track record of designing and building cloud-native applications. Experience with enterprise messaging systems and distributed architectures. Strong experience with large-scale data processing and modern databases (e.g., Snowflake). Exceptional communication skills with the ability to manage expectations of senior, non-technical stakeholders. Degree in Computer Science, Mathematics, Engineering, or a closely related field. Nice to have: Prior experience in the financial services industry, ideally within asset management, hedge funds, or trading firms. Domain knowledge of Middle/Back-office operations. Familiarity with financial accounting systems (e.g., Advent Geneva).

🏢 Summary: Lead Software Engineer (Mobile) role focused on building and driving Kotlin Multiplatform mobile initiatives across iOS and Android. The position combines hands-on development in Swift or Kotlin with technical leadership, shaping architecture and delivering complex, high-impact mobile solutions. It requires guiding engineering best practices and leading complex technical decisions within a squad. 🗂️ Requirements: Proven experience in Swift or Kotlin, Strong experience in Android or iOS development, Experience with Kotlin Multiplatform (KMP), Ability to design and implement complex mobile architectures, Expert knowledge of software engineering principles and quality practices, Experience leading technical solutions and mentoring engineers, Ability to define and capture non-functional requirements, Fluent English (written and spoken) 📃 Skills: Swift, Kotlin, KMP, Android, iOS, Mobile, Architecture, Engineering, Git, CI/CD 🏢 Description: More about this role Everything you need to know. Overview Lead Software Engineer (Mobile) (Hybrid/Kraków – 1 day per week in the office) We’re Kingfisher, a team made up of over 74,000 passionate people who bring Kingfisher - and all our other brands: Castorama, B&Q, Screwfix, Brico Dépôt and Koçtaş - to life. That’s right, we’re big, but we have ambitions to become even bigger and even better. We want to become the leading home improvement company and grow the largest community of home improvers in the world. And that’s where you come in. At Kingfisher, our customers come from all walks of life, and so do we. We want to ensure that all colleagues, future colleagues, and applicants to Kingfisher are treated equally regardless of age, gender, marital or civil partnership status, colour, ethnic or national origin, culture, religious belief, philosophical belief, political opinion, disability, gender identity, gender expression or sexual orientation. We are open to flexible and agile working. Therefore, we offer colleagues a blend of working from home and our office, located in Kraków. Talk to us about how we can best support you! At Kingfisher, we value the perspectives that any new team members bring, and we want to hear from you. We encourage you to apply for one of our roles, even if you do not feel you meet 100% of the requirements. In return, we offer an inclusive environment, where what you can achieve is limited only by your imagination! We encourage new ideas, actively support experimentation, and strive to build an environment where everyone can be their best self. We offer a competitive benefit package and plenty of opportunities to stretch and grow your career: 25,000 - 33,000 PLN gross per month on an employment contract Private medical healthcare at LUXMED (including dentalcare) for you and your family Medicover sports card (Fit&More package) Life insurance financed by the employer 30-minute lunch break included in the 8-hour working day Work in a highly professional and stimulating atmosphere Training & Buddy programme that will allow you to quickly adapt to your new role Wellbeing programme for employees Co-financing of monthly tickets for the public transport in Krakow Comfortable working environment in the office and the possibility of home office Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification Employee referral programme What's the job About the role We are looking for a highly motivated and experienced Native Lead Software Engineer to join our Native Engineering team. This role requires deep expertise in Swift or Kotlin, Android or iOS development, and Kotlin Multiplatform (KMP) to help shape and deliver our KMP Mobile initiatives. As a Lead Software Engineer, you’ll be a hands-on technical contributor as well as a multiplier and someone who thinks holistically, navigates ambiguity, and guides your squad through complex challenges toward successful, high impact outcomes. Our ambition is to build a worldclass engineering function that leads the way in retail technology. We focus on creating exceptional software within a growth-oriented culture that constantly looks for opportunities to improve, innovate, and adapt to meet the evolving needs of our customers. If you're looking for an exciting opportunity to step out of your comfort zone and make a real impact building better software, this is the job for you! Responsibilities Exerts significant influence on objectives and long-range goals of the squad. Provides technical leadership to the squad through coaching and mentoring. Leads technical solutions of the highest scope and complexity to achieve squad goals. Works closely with Engineering Squad Lead, Principal Engineers and Architecture to create low-level designs that support long-range goals. Advocates and leads on instilling engineering best practice; whilst seeking out opportunities for continuous improvement that have highest impact. Contributes towards the hiring needs of the community, participating in interviews, providing constructive feedback on candidates and leads onboarding activities for new joiners. Advocates and leads on knowledge sharing and technical documentation activities for their squad, as well as the wider engineering community. Builds strong working relationships with stakeholders within and beyond engineering. Owns their personal development and upskilling activities, keeping informed of existing / new technologies and introducing these where appropriate and promotes a culture of continuous learning. Drives a culture of innovation and experimentation and confronts problems of significant complexity and scope. What you'll bring Adept at creating robust, functional solutions and writing high quality code in more than one programming language and/or frameworks. Ability to inspire and motivate engineers to consistently deliver value. Expert knowledge and deep interest in technical concepts with the ability to apply these to business opportunities. Exceptional problem-solving skills with the ability to lead the implementation of complex solutions. Strong verbal and written communication skills with the ability to lead and influence technical discussions. Adept at identifying and capturing non-functional requirements for the products and services being delivered. Expert understanding of software and quality engineering principles, practices and patterns. Promotes a self-starter mentality, passion for experimentation and out of the box thinking. Good relationship and stakeholder management skills. Ability to work with levels of autonomy, empowerment, and responsibility. Excellent command of English (written and spoken) Nice to have Published articles on LinkedIn/Medium or other platforms Involved in either iOS or Android community via membership of online groups or meetups and can demonstrate participation in developer forums Experimented with either iOS or Android development To get to know us better visit: LinkedIn Kingfisher plc Rewards & Benefits What we offer. Private Health Care Private medical healthcare at LUXMED (including dental care) for you and your family. Child Insurance InterRisk - insurance for children. Sports Card Medicover sports card (Fit&More package). Courses Language courses, accounting courses, access to LinkedIn Learning and the possibility of co-financing studies and certification. Life Assurance Life insurance at Generali financed by the employer. Bonus Opportunity to earn annual bonus that aligns to work level of role. Parking Parking spaces and LOTOS card. Kingfisher Pension Scheme Co-financing of monthly tickets. Transport Discount Co-financing of monthly tickets for the public transport in Krakow (50% discount).

🏢 Summary: Senior Software Engineer role focused on designing, developing, deploying, and supporting cloud-based software products on Azure using .NET/C#. The position involves full lifecycle ownership of a greenfield solution, working in a Scrum team to build scalable, secure systems with modern DevOps and observability practices. The role also includes mentoring team members and contributing to architecture and engineering best practices. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering or equivalent experience, 5+ years of commercial software development experience in C#, .NET development experience, Experience building cloud-native solutions in Azure, Experience with scalable database systems, Experience with CI/CD tools and processes, Ability to design scalable and secure architectures, Experience with unit and integration testing, Experience working in Agile/Scrum teams, Experience with AI-assisted development tools in engineering workflow, Fluency in English 📃 Skills: C#, .NET, Azure, SQL, CI/CD, GitHub, Harness, LaunchDarkly, NewRelic, Grafana, Kubernetes, Pulumi, JavaScript, TypeScript, Angular, React, Vue, Git, AI 🏢 Description: Posting Type Hybrid Job Overview Are you looking for a hybrid work opportunity? Are you interested in a workplace that allows for flexibility in your day? Are you ready for a workplace that provides benefits that suit your needs? Role summary As a Senior Software Engineer, your primary mission will be to design, write, test, deploy, and support our Relativity cloud (Azure) software products in .NET/C#. You will work in a scrum team collaborating with other members of the engineering team and business stakeholders to support the development of products, features and services that drive and evolve our RelativityOne platform. You will use your knowledge to mentor less senior team members and support your team’s tech lead in his duties. Team summary You will join Relativity's Matter Administration department focused on helping our customers grow the eDiscovery practices and businesses that they are running on top of Relativity, delivering solutions to boost up productivity of an Administrator, simplify configuration and improve preparation of the system for matter review. From Matter setup and user workspace arrangement, data archiving and restore to cost management and billing solution, Matter Admin delivers tools and services for Relativity Administrators. This role involves working on a greenfield product, where the team fully owns the lifecycle of the solution - from implementation using .NET, to deployment via GitHub Actions, and monitoring through New Relic. You’ll have the opportunity to contribute to the architecture, influence best practices, and help shape modern, scalable projects from the ground up. Job Description and Requirements Your Role in Action Contribute to a Scrum team throughout all complex phases of a service lifecycle from conception through design, development, testing, deployment, and ultimately operation Architect and design performant, scalable, and secure software to a high degree of quality – not simply focusing on meeting requirements Object-oriented analysis (OOA), object-oriented design (OOD), and object-oriented programming (OOP) applying SOLID principles and design patterns in in C# and TypeScript / Javascript Contribute and provide technical guidance to a software development team to ship high-quality, performant, secure software that operates on data at a massive scale Participate in code reviews for projects written by your team Conduct comprehensive unit and integration testing and static analysis and rigorous test strategy development Improve the software development processes by recommending and driving changes Identify, document, automate, and engineer processes for repetitive tasks Contribute to and mature existing, automated deployment/upgrade CICD workflows Leverage monitoring and observability to proactively identify and fix problems Improve software quality and completeness and share design and implementation knowledge Troubleshoot issues, fix defects and respond to client-specific problems Provide technical guidance to team members through education and coaching After gathering relevant experience, you will participate in regular on-call technical support shifts as a second line of support if Client Services is not able to solve an urgent issue Embrace and contribute to a learning/growth culture and promote a healthy work environment Minimum Qualifications Bachelor's in computer science, engineering, or similar technical degree, or work equivalent experience 5+ years of experience in software development of commercial-grade systems and applications using C# Experience in developing cloud scalable solutions using Cloud Native Patterns (Azure preferred) Experience in working with various scalable database systems Ability and ambitions in building advanced cloud DevOps mindset including CI/CD processes and tools (e.g., GitHub Actions, Harness, LaunchDarkly) with mature observability Ability to build mature deployment and release solutions Understanding and following software engineering best practices: unit testing, code reviews, design documentation, excellent debugging and troubleshooting skills Experience working in an agile software team, including mentoring. feature leadership and cross-group collaboration Fluency in English Hands-on experience using AI tools as part of everyday engineering workflow, including: AI-assisted code generation, refactoring and review, using AI for technical design, solution exploration and documentation, leveraging AI to plan and structure development and release activities, critically evaluating AI output and taking ownership of final technical decisions. Preferred Qualifications Experience with container orchestration platforms such as K8s Experience with configuration management and IaaS (e.g. Pulumi) Experience with observability frameworks and solutions (e.g. New Relic, Grafana) Experience with web development using JavaScript, TypeScript, using modern web frameworks (e.g. Angular, React, Vue) Experience with .NET core development Benefit Highlights: Comprehensive health, dental, and vision plans Parental leave for primary and secondary caregivers Flexible work arrangements Two, week-long company breaks per year Additional time off Long-term incentive program Disclaimer The information contained in this description has been designed to indicate the general nature and level of work performed by employees within this classification. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications required of employees assigned to this job. Other duties and responsibilities may be assigned. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, or national origin, disability or protected veteran status, or any other legally protected basis, in accordance with applicable law. Relativity is committed to competitive, fair, and equitable compensation practices. This position is eligible for total compensation which includes a competitive base salary, an annual performance bonus, and long-term incentives. The expected salary range for this role is between following values: 208 000 and 312 000PLN The final offered salary will be based on several factors, including but not limited to the candidate's depth of experience, skill set, qualifications, and internal pay equity. Hiring at the top end of the range would not be typical, to allow for future meaningful salary growth in this position. Required Skills: Automation, Data Analysis, Database Management, Network Architecture, Performance Optimizations, Problem Solving, Project Management, Software Development, System Designs, Technical Leadership