Senior Java Software Engineer Join Our Innovative Team jobs in Sofia – Browse 288 openings on RoboApply Jobs

Senior Java Software Engineer Join Our Innovative Team jobs in Sofia

Open roles matching “Senior Java Software Engineer Join Our Innovative Team” with location signals for Sofia. 288 active listings on RoboApply Jobs.

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companyTINQIN logo
Full-time|On-site|Sofia, Sofia City Province, Bulgaria

With over a decade of experience, TINQIN has consistently provided cutting-edge software solutions specifically tailored for the insurance sector, earning the trust of numerous long-standing clients and partners.As a proud member of the Be Ys Group, TINQIN has extended its expertise into the emerging domains of digital trust and identity technologies. This rapidly expanding product line is now developing into a dedicated company, KIPMI Software. We are currently in search of a Senior Java Software Engineer to join our dynamic team dedicated to advancing these next-generation digital trust products.Be a part of our journey to shape the future of technology!

Jan 15, 2026
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companyPrintec logo
Full-time|Hybrid|Sofia, Sofia City Province, Bulgaria

Become a pivotal part of our team as a passionate Java Developer and advance your career in a vibrant, rapidly evolving industry.This role provides an exciting opportunity to work on a significant internal product that is essential for processing and acquiring transactions from diverse sources, including POS systems, E-commerce platforms, Software POS solutions, and banking institutions. Enhance your expertise in an international, fast-paced environment while achieving your professional goals.As a Java Developer, you will engage in a variety of tasks as a member of our agile DevOps team, contributing to various phases (including but not limited to development, user acceptance testing, implementation, and support) of a project aimed at implementing a cutting-edge “omni-channel” payment infrastructure capable of accepting transactions from multiple endpoint devices.Key Responsibilities:- Actively engage in all stages of software product development, encompassing development, code reviews, testing, documentation, and deployments.- Participate in the development of the infrastructure, which includes coding, testing, deploying, and managing payment systems, as well as updating and patching applications.- Diagnose and resolve complex issues across all environments.

Jan 21, 2026
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companySumUp logo
Full-time|On-site|Sofia, Bulgaria

WHO WE ARE:From our humble beginnings as a startup, we have transformed into a global fintech powerhouse, boasting a workforce of over 3,000 individuals from 80 diverse nationalities across 22 offices worldwide. Our rapid growth and diversification are unmatched.At SumUp, we empower businesses to receive payments effortlessly, manage orders swiftly, sell online seamlessly, and optimize their financial operations. Our mission is to equip businesses with the necessary tools to enhance both their operations and customer experiences.THE TEAM:Our advanced payments processing platform, which encompasses a variety of sub-platforms, has been the backbone of SumUp's global operations for more than a decade. A vital part of this platform is our Payouts team, dedicated to ensuring that our millions of merchants receive their payments reliably. This entire ecosystem is developed in Sofia by the Payments Tribe, consisting of several autonomous, cross-functional squads, each responsible for their segment of the platform from start to finish.We are currently in an exhilarating phase of scaling up and enhancing our existing products, while also innovating new solutions. Your contributions will be pivotal in refining and co-creating our existing and new microservices architecture, addressing complex scaling and development challenges where scalability and high availability are paramount.Join a team that prioritizes strong engineering principles and impactful solutions. You will play a significant role in the design and development of our new Java-based payout platform, utilizing cutting-edge technology to influence our product directly.OUR TECH STACK:Java (minimal setup, Spring Boot), Kafka Streams, PostgreSQL/RDBMS, RestEasy, VueJS.

Feb 19, 2026
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companyMan Group logo
Full-time|On-site|Sofia

About Man GroupMan Group is a leading global alternative investment management firm dedicated to delivering superior performance for our sophisticated clients through our Systematic, Discretionary, and Solutions offerings. Leveraging exceptional talent and cutting-edge technology, our investment strategies encompass both single and multi-manager approaches, supported by extensive research and spanning public and private markets across major asset classes, with a strong emphasis on alternatives. We prioritize building deep partnerships with our clients, creating customized solutions to achieve their investment objectives for the millions of retirees and savers they serve.Headquartered in London, we manage $227.6 billion* and operate in numerous offices worldwide. Man Group plc is publicly traded on the London Stock Exchange under the ticker EMG.LN and is part of the FTSE 250 Index. For additional information, please visit www.man.com.* As of 31 December 2025The TeamOur team is currently experiencing significant investment aimed at optimizing the trading capabilities across AHL, Numeric, and Discretionary teams. The engineering team collaborates closely with the Trading Desk and the Execution Research team to design, develop, and maintain a world-class trading capability. We operate trading floors in London, Hong Kong, Boston, and New York, managing over $8 trillion annually.We are consistently broadening the markets, asset classes, and regions in which we trade while also diversifying our trading styles. Our team is tasked with creating innovative and adaptable software and tools to keep pace with these changes.

Mar 19, 2026
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companyDev.Pro logo
Full-time|Remote|Remote — Sofia, Sofia City Province, Bulgaria

About the Role Dev.Pro is looking for a Senior Software Engineer / Team Lead to guide a cross-functional team focused on advancing a high-throughput payment orchestration platform. This remote position is based in Sofia, Sofia City Province, Bulgaria. What You Will Do Lead a delivery team, setting priorities and maintaining clear direction in partnership with client stakeholders. Combine hands-on software development with team leadership responsibilities. Drive the implementation of key features from concept through release. Clarify complex requirements and help the team navigate ambiguity. Foster open communication and collaboration within the team. About Dev.Pro Dev.Pro builds technology solutions used by millions worldwide. The company values diversity and inclusion, recognizing and supporting the unique strengths of every team member.

Apr 17, 2026
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companyBrandwatch logo
Full-time|On-site|Sofia, Bulgaria

At Brandwatch, we are committed to empowering every individual to make a significant impact. Your voice is valued here, and your unique insights contribute to our collective success. As part of our global team, you'll flourish in an environment that fosters curiosity, collaboration, and innovation, while making meaningful contributions to the brands we support.Join us in redefining the future of communication and building authentic connections that matter. Whether you are tackling complex challenges or spearheading bold innovations, your growth is synonymous with our success. Together, we will create the conversations of tomorrow.Empower your impact at Brandwatch. Be seen, be understood, be you.Brandwatch is actively seeking a dedicated member for the Measure team. You will join a cross-functional and autonomous product team responsible for delivering solutions for performance monitoring and analytics across major social media platforms including Facebook, Instagram, Twitter, LinkedIn, TikTok, and YouTube.As a Backend Engineer at Brandwatch, you will work with the latest Long-Term Support (LTS) versions of Java and Spring, interfacing with some of the most influential social networks globally. You will consume and store data from their APIs at scale, creating REST APIs that expose vital social media KPIs to our clients. Additionally, you will design and implement a scalable microservice architecture.

Mar 26, 2026
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companyCyberArk Software Inc. logo
Full-time|On-site|Sofia

Join our dynamic team at CyberArk as a Senior Software Engineer specializing in Python. In this role, you will be instrumental in designing and developing cutting-edge software solutions that secure the world's most sensitive data.We are looking for a passionate engineer who thrives in a collaborative environment and is eager to tackle complex challenges. Your expertise will help drive innovation and enhance our product offerings.

Mar 19, 2026
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companyTINQIN logo
Full-time|On-site|Sofia, Sofia City Province, Bulgaria

TINQIN has been a pioneer in delivering cutting-edge software solutions for the insurance sector for over a decade, earning the trust of numerous long-term clients and partners.As a proud member of the Be Ys Group, TINQIN has broadened its expertise into the realm of digital trust and identity technologies. This rapidly expanding product line has now evolved into a dedicated entity known as KIPMI Software. We are actively seeking a Java Principal Engineer to join our innovative team dedicated to developing next-generation digital trust products.Be part of our mission to shape the future of technology!

Jan 15, 2026
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companyDevexperts logo
Full-time|On-site|Sofia

As part of our continuous expansion, we are eager to connect with technology experts and keep an open line for future prospects and exciting projects. This is a talent pool opportunity in Portugal, where we are currently welcoming spontaneous applications to establish a robust pipeline of proficient professionals for when relevant positions arise.We are actively seeking talented Java Backend Developers who are interested in joining our Research & Development teams for future opportunities.Our teams are responsible for developing and maintaining high-performance, low-latency platforms utilized by thousands of users globally every day. The backend services we create manage intricate business processes such as order processing, validation, routing, data reconciliation, and performance-critical calculations. We prioritize code quality, reliability, and scalability, achieving this through meticulous design, peer reviews, and thorough testing. Our engineers operate in multicultural, distributed teams, collaborating with QAs, frontend developers, business analysts, and product stakeholders in an agile (Scrum/Kanban) environment.Technologies We Work With:Core Java (11+): Collections, Streams, Threads, Concurrency, JVM tuningFrameworks & Tools: Spring, JUnit5, AssertJ, MockitoInfrastructure: Docker, PostgreSQL, Liquibase, SplunkCollaboration & CI/CD: Atlassian suite, Slack, TeamCity, SonarOur Work Culture:We are passionate about coding in Java and delving into the underlying mechanics (threads, collections, memory, JVM).We utilize solid computer science foundations to address complex challenges with efficient solutions.We are committed to writing clean, maintainable, and well-tested code.We transform ideas from concept to production and celebrate our achievements together.We foster a collaborative, supportive, and feedback-driven environment across cultures and time zones.We communicate in English (B2+).

Nov 6, 2025
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companyarhs logo
Full-time|On-site|Sofia

Join our dynamic team at arhs as a Senior Java Developer and play a pivotal role in enhancing a high-impact public sector project for a prestigious European Institution. In this position, you will be instrumental in the development of a large-scale, high-visibility platform that prioritizes performance, availability, and scalability, managing a substantial volume of documents within a distributed, cloud-based architecture.Key Responsibilities:Design, develop, and maintain cutting-edge distributed applications utilizing Java 17, Spring, Elasticsearch, and Liferay DXP.Contribute to the evolution of a scalable, responsive platform hosted on Azure and Kubernetes, employing microservices and REST APIs.Collaborate closely with fellow developers, business analysts, and architects to deliver top-tier solutions.Ensure that all Liferay customizations adhere to modern web standards.Participate in code reviews, update technical documentation, and support CI/CD processes.Actively engage in performance optimizations and the progressive development of the architecture.This role requires in-person collaboration to foster learning, relationship-building, and teamwork with clients, colleagues, and communities. We strive to offer flexibility to meet your individual work/life balance needs.

May 8, 2025
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companyOcadogroup logo
Full-time|On-site|Sofia, Bulgaria

Ocadogroup is hiring a Senior Software Engineer in Sofia, Bulgaria. This position focuses on designing, developing, and implementing software solutions that support the company’s business goals. Role overview The Senior Software Engineer will work closely with colleagues from different teams to build and deliver products that align with customer needs. The role involves hands-on development and active participation in the full software lifecycle, from concept to deployment. What you will do Create and refine software designs to address business challenges Develop, test, and implement new features and applications Collaborate with cross-functional teams to ensure product quality Requirements Experience designing and building software solutions Ability to work collaboratively with colleagues from various disciplines Strong interest in technology and delivering results that make a difference

Apr 28, 2026
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companyRedis Ltd. logo
Full-time|On-site|Bulgaria

About UsAt Redis, we're transforming the way applications deliver speed and simplicity across the globe. Our innovative technology powers the fast apps that you rely on every day—whether checking your flight status or making a credit card transaction, Redis is behind the scenes ensuring a seamless experience. Join us in our mission to create a faster world with simpler solutions.Redis Cloud is the premier SaaS solution for utilizing Redis databases. Our cloud offerings empower clients to easily and securely provision Redis databases for their needs. We are currently on the lookout for a talented Software Engineering Team Leader to spearhead the development of our cloud services and offerings.In this role, you will guide a dedicated team focused on creating and managing the business layer that supports various service models—from straightforward database setups to fully serverless solutions. You’ll work on backend services that enable these offerings and interact across numerous departments, including product management, cloud operations, and engineering, to ensure our services meet customer expectations.The ideal candidate will possess extensive experience in large-scale SaaS solutions and microservices architecture, contributing throughout the product lifecycle, from conception to implementation. Strong leadership skills and a proactive attitude are essential.

Aug 21, 2025
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companyRedis Labs, Inc. logo
Full-time|On-site|Bulgaria

About UsAt Redis, we are the creators of the fastest applications that power the digital world. Whether you’ve checked the weather, made a purchase, or tracked your flight status today, our technology is behind it. Join us in transforming the future with rapid and seamless experiences. Are you ready to be part of this journey?Why You Will Love Working HereAs the Software Engineering Team Lead within our AI and Search department, you will play a pivotal role in guiding the direction of Redis' AI and Search innovations. Lead a passionate team that drives Redis' Search capabilities, including real-time full-text search, vector similarity, and cutting-edge retrieval mechanisms.This role is integral to our next-generation data platform, where performance, scalability, and creativity converge.Your ResponsibilitiesLead a high-performing engineering team while engaging hands-on in the design and implementation processes.Provide technical guidance in systems-level development using C, C++, and Rust.Enhance Redis’ AI and Search functionalities, focusing on vector search, hybrid retrieval, and semantic caching.Design, oversee, and continuously improve CI/CD workflows to ensure rapid and quality releases.Manage incident responses and customer interactions for production issues, ensuring quick resolutions and implementing process improvements.Collaborate effectively with Core, Cloud, Product, and Support teams.Establish engineering standards focused on performance, reliability, testing, and operational excellence.Recruit, mentor, and nurture engineers, promoting a culture of ownership and ongoing development.

Feb 20, 2026
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companyEntain logo
Full-time|On-site|Sofia

About the Role Entain is looking for a Senior Software Engineer with deep experience in Angular to help build and improve software that shapes our user experience. This position is based in Sofia. What You Will Do Develop and maintain Angular applications that support our products and services Work closely with engineers and designers to solve technical challenges Contribute to decisions that improve code quality and user experience Help deliver reliable, high-quality software in a collaborative environment Who We’re Looking For Strong background in Angular and front-end development Experience working on complex software projects Comfortable collaborating with cross-functional teams Motivated to make a real impact on products and users

Apr 17, 2026
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companyLifted An Upwork Company logo
Senior Web Software Engineer

Lifted An Upwork Company

Full-time|On-site|Sofia

Role Overview Lifted An Upwork Company is hiring a Senior Web Software Engineer in Sofia. This position focuses on building and maintaining web applications that meet high standards for quality and user experience. The role involves hands-on design, implementation, and ongoing support of web projects. What You Will Do Design and develop web applications from concept through deployment Implement features that improve usability and performance Maintain and update existing web solutions as requirements evolve Collaborate closely with team members to deliver reliable results What We Look For Strong experience with web development technologies Commitment to writing clean, maintainable code Ability to work well with others and share knowledge Focus on delivering a smooth, effective user experience

Apr 15, 2026
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companyLucidLink logo
Full-time|On-site|Sofia Office

LucidLink develops cloud-based solutions that allow teams to access data securely from anywhere. The platform is built for handling large files and extensive data sets, offering a user experience similar to a local hard drive. Founded by storage industry veterans in 2016, LucidLink enables real-time collaboration for creative organizations, including major names in media and entertainment. The company operates from San Francisco and maintains an engineering office in Sofia, Bulgaria, serving customers in over 40 countries. Role overview The Senior Fullstack Software Engineer position is based in LucidLink’s Sofia office. This role centers on building and improving the platform that supports instant, secure data access and real-time collaboration. The work directly affects how teams worldwide manage and share large-scale content. What you will do Work on technical challenges that shape global collaboration, especially in media and entertainment. Contribute to a platform designed for performance, security, and ease of use with massive data sets. Collaborate with a team of over 230 professionals, where individual input quickly influences product direction. What we value Integrity, innovation, and empathy in daily work and team interactions. Commitment to personal growth and learning as the company expands. Supportive culture that encourages advancement and open communication. Benefits Flexible paid time off Competitive salary Stock options Health coverage

Apr 24, 2026
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companySumUp logo
Full-time|On-site|Sofia, Bulgaria

At SumUp, we recognize that small businesses are the driving force behind Europe's economy. Our mission has always centered around empowering these businesses to flourish. We are now embarking on an exciting new venture: a stablecoin designed to ensure payments are instant, cost-effective, and fully compliant with regulations.This is a unique opportunity to contribute to a product that sits at the convergence of fintech, cryptocurrency, and regulatory compliance, supported by a profitable organization that serves over 4 million merchants across 35+ markets.What’s the opportunity?We are seeking a Senior Backend Engineer who is passionate about building innovative solutions from the ground up. This role is ideal for someone who thrives in fast-paced environments and desires to enhance their technical skills in a high-impact field. You will collaborate closely with our Staff Engineer and cross-functional teams to bring our stablecoin project to fruition.This newly created position is pivotal for a high-priority project. It entails a dynamic, complex environment filled with learning opportunities, perfect for an individual who enjoys tackling challenging problems and delivering high-quality code.Your responsibilities will include:Building from the ground up: Participate in technical discovery and MVP development for SURO, coding daily in Kotlin or Go.Designing reliable systems: Assist in creating high-SLA, service-oriented systems that integrate with our ledger, reconciliation, and treasury platforms.Delivering quality: Write clean, maintainable code with a focus on reliability, security, and observability.Collaborating across teams: Work alongside Product, Finance, Legal, and Banking teams to ensure features comply with regulatory standards.Expanding your skills: Learn from seasoned engineers and deepen your expertise in payments, compliance, and blockchain technologies.Owning features end-to-end: Take full responsibility for specific components from design through deployment and monitoring.

Feb 19, 2026
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companyarhs logo
Full-time|On-site|Sofia

Join our dynamic team at arhs as a Senior Java Developer specializing in Liferay DXP. We are seeking an experienced professional to contribute to impactful public sector projects for a European Institution. In this role, you will be pivotal in developing a robust, large-scale platform designed for high performance and scalability, efficiently managing extensive document volumes within a distributed, cloud-based environment.YOUR ROLE:Design, develop, and maintain web applications utilizing Java 17 and Liferay DXP.Contribute to the creation of a scalable, responsive platform hosted on Azure and Kubernetes through microservices and REST APIs.Collaborate with developers, business analysts, and architects to deliver high-quality solutions.Ensure UI elements created in Liferay (using CSS/HTML/JS/React) are intuitive and adhere to modern web standards.Engage in code reviews, update technical documentation, and support CI/CD processes.Actively participate in performance optimizations and the evolution of the architecture.We prioritize in-person collaboration to foster learning and relationships with clients and peers. We are committed to providing flexibility to accommodate your work/life balance.

May 8, 2025
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companyCyberArk Software Inc. logo
Full-time|On-site|Sofia

Join CyberArk Software Inc. as a Senior Software Engineer specializing in Workload Identity. In this pivotal role, you will be responsible for designing and implementing robust software solutions that enhance the security and efficiency of workload identity management. Collaborate with a talented team of engineers, contribute to innovative projects, and drive the development of cutting-edge technology.

Apr 13, 2026
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companyCyberArk Software Ltd. logo
Full-time|On-site|Sofia

Join our dynamic team at CyberArk as a Senior Software Engineer specializing in Secrets Hub. In this role, you will be at the forefront of developing innovative software solutions that enhance security and manage sensitive information effectively. Your expertise will contribute to designing, implementing, and maintaining robust applications that support our clients' security needs.

Mar 19, 2026

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