Senior Java Software Engineer

Role overview Keylane seeks a Senior Java Software Engineer to join its Rotterdam office. The position centers on designing and building software that serves the financial sector. Responsibilities include both creating new applications and enhancing existing systems to support evolving business needs. What you will do Design and develop software solutions us…

Speechify helps people listen to articles, documents, and books wherever they are. The company’s tools support deeper, faster, and more enjoyable learning. As a leader in its field, Speechify continues to grow quickly, much like streaming services have shaped audio entertainment. About the Role The Core Experiences Team at Speechify is looking for a Senior Software Engineer in Rotterdam. This team builds and maintains the core services and SDKs that power the Speechify experience across platforms. The position suits engineers who enjoy working where product and infrastructure meet, and who care about building reliable APIs and efficient systems that improve how users interact with Speechify. What You Will Do Work with Product Teams to define project scopes, improve processes for faster customer feedback, and balance integration and UX trade-offs to deliver strong solutions through the cross-platform SDK. Improve current features by designing efficient abstractions and algorithms for faster load times and smarter parsing. Build cloud functions, lightweight backend services, and jobs using Kotlin. Location This role is based in Rotterdam, Netherlands.

HighlightsRelease updates multiple times a day.Receive recognition and credit for your contributions.Your impact is directly visible and significantly enhances port logistics.Mission OverviewIn this pivotal role, you will lead sprints and epics while being an integral part of one of our agile scrum teams. As a scrum team member, you will analyze, construct, test, and deploy innovative software solutions. Your passion for development drives you to contribute actively to the coding process.You are a Java developer who passionately discusses your field and keeps abreast of the latest industry advancements. You embody innovation and are continually seeking smarter solutions, which you share with your colleagues.

Dynamic DevOps Engineer (Java)Join our innovative team at Swisscom, where you will play a vital role in the development and operation of our cutting-edge Secure Access Service Edge (SASE) solutions. As a DevOps Engineer, you will focus on backend software development, automation, and managing our environments at scale to enhance operational efficiency.Your Impact:You will collaborate with diverse teams to evolve our SASE offerings using state-of-the-art security architectures. Your enthusiasm for technology and your commitment to staying updated on trends in Network, Cloud, Endpoint Security, and IT will be crucial as we redefine connectivity solutions. You will engage in various disciplines including design, development, integration, testing, and operations.Drive innovation by designing, developing, integrating, testing, and operating our new SASE products.Facilitate software deployment in the Cloud.Establish Security Policy definitions for various Operating Systems to ensure optimal User Experience.Create and manage Security reports and dashboards for stakeholders.Troubleshoot and debug across all environments.Implement Site Reliability Engineering (SRE) practices, and continuously improve and automate workflows to minimize toil.

About UsAt Portbase, we are dedicated to enhancing the logistics and supply chain landscape through innovative technology solutions. Our platform team plays a crucial role in this mission, focusing on the continuous improvement of our platform architecture.Position OverviewWe are seeking a skilled Java Developer to join our Platform Team. In this role, you will utilize your expertise in public cloud environments, preferably AWS, to develop software services that empower our feature and domain teams. Your contributions will be vital in automating platform services and pushing the boundaries of best practices within the logistics sector. Collaboration is key; we encourage you to share your knowledge and energy across various technologies, fostering growth together!Your ResponsibilitiesContinuously enhance the platform architecture.Collaborate within a T-Shaped model, developing deep expertise while maintaining broad knowledge across other areas.Work with the latest tools and technologies to enrich our tech stack.

Join Alten as a C++ Software Engineer specializing in the aeronautical sector. In this role, you will be responsible for designing and implementing robust software solutions that enhance aviation technology. Your expertise in C++ will be pivotal in developing innovative applications that meet the dynamic needs of the industry.

Join Our Innovative Team as an Embedded Software EngineerSeamark Trading Solutions, a dynamic and ambitious division of QTerminals-Kramer in Rotterdam, is at the forefront of developing cutting-edge projects in the reefer industry. We specialize in innovative electronic products, electronics repairs, and compressor/motor overhauls, along with a range of cooling transport services.What Does Our R&D Department Do?Develops innovative products tailored for our clients (hardware/embedded software)Maintains and revises hardware and software for existing productsProvides expertise and develops testing equipment to support our Electronics DivisionWhat Will Your Role Involve?Support and independently execute project tasks.Design and modify embedded software.Work with embedded software (C++), communication protocols, microcontroller operations, and real-time operating systems.Develop UI-related software (Android app using Kotlin), PC applications (C#), and manage wireless communications (Bluetooth/Wi-Fi).Conduct analysis and research, including reverse engineering.Stay updated on industry trends and developments.Contribute to the overall quality of business operations by providing insights and suggestions for improvements.Design our proprietary products from inception to completion.

Speechify creates tools that change how people access and use information. The team, based in Rotterdam, develops platform technologies designed to support users in new ways. Role overview As a Platform Software Engineer, you will work with a focused team on the core systems behind Speechify’s products. The work centers on building and improving the technologies that define how users interact with information through Speechify. Location This role is located in Rotterdam, Netherlands.

About SBE EngineeringLocated just a stone's throw from Rotterdam Central, we at SBE are dedicated to crafting some of the most remarkable engineering projects in the Netherlands. Did you know our experts at play have designed over 3 kilometers of deep-sea quays in the Port of Rotterdam? We are also engaged in three major framework agreements for the reassessment of bridges and viaducts until 2030. Our portfolio includes iconic projects such as the Afsluitdijk, Zuidasdok, and the Beatrixsluis and the new Terneuzen lock. Thanks to our commitment to engineering excellence, our compact team creates a significant impact.As one of the largest consulting and engineering firms in Belgium, SBE has been building a dynamic and entrepreneurial team in Rotterdam since 2020, currently comprising around 20 Dutch professionals. We envision a sustainable path for growth and development for our team in the years to come.We are now looking for new colleagues in Rotterdam to continue our success story in the Netherlands. As a Structural Engineer, you will focus primarily on the design of steel and concrete structures, including (movable) bridges, locks, sluice gates, tunnels, and more. Moreover, you will shape your career path in collaboration with your Team Coach, tailoring your development according to your interests and skills.Why Choose Us?As specialized advisors, we are the 'special forces' of civil engineering; we only engage in complex projects.As a family-owned business, we foster a friendly work atmosphere characterized by open communication and a flat, agile organizational structure.You will have the opportunity to take initiative in our growing and dynamic organization in the Netherlands.Expand your knowledge across various construction types, exploring your areas of interest at your own pace.You will also have the chance to mentor less experienced colleagues and share your expertise.

Join Speechify as a Software Engineer focusing on Data Infrastructure & Acquisition in Rotterdam, Netherlands. In this pivotal role, you will design and implement robust data systems that drive our innovative products. Collaborate with cross-functional teams to enhance data acquisition processes and ensure the integrity and availability of data.

Are you a passionate Software Engineer eager to expand your role beyond traditional software development? If you are keen on mastering CI/CD pipelines, security protocols, application deployment using Kubernetes, and improving process efficiency, we want to hear from you!At Sensara, we offer a Software as a Service (SaaS) solution fully hosted on Google Cloud. Our platform operates around the clock in the healthcare sector, making reliability and stability crucial. As a Site Reliability Engineer, you will collaborate with our Tech Lead, QA Engineer, Product Owner, and fellow Cloud Engineers throughout the entire release process. You will monitor platform quality, enhance integration monitoring, and ensure swift issue resolution.We seek a proactive individual who is not only eager to learn but also enthusiastic about teaching others. You should be ready to take the initiative and lead by example, inspiring the team to deliver top-notch software solutions.This position comes with significant responsibilities and expectations. To equip you with the necessary skills, we offer a comprehensive onboarding experience alongside an experienced peer, ensuring you thrive in your role.

Are you seeking a unique balance between a permanent position and freelance work? At Veneficus, we provide you with the best of both worlds: ultimate freedom alongside the security of a steady job. VF Professionals ensures that you work on exciting projects with various clients, offering high earnings (fixed base salary plus variable bonuses) and the opportunity for entrepreneurship and personal development. This challenging role allows you to continuously grow and enhance your skills.As a Senior Data Engineer, you will be placed at one of our client sites, working on projects that can last from several months to a year. We at VF Professionals provide the right support, training, and development opportunities tailored to your needs. Together, we will find the most suitable assignment for you, where you can leverage and expand your knowledge and expertise.Typically, you will work on projects within a Scrum/Agile environment, providing support, but there may also be opportunities to work for an extended period within the client’s data department. Your passion for data will ensure you are engaged daily in gathering, organizing, and analyzing data. Additionally, you will frequently prepare reports and recommendations.What We Offer You:A direct permanent contract with a fixed base salary and variable bonus;25 vacation days based on full-time employment;A home office allowance of €50 net per month for full-time employees, 8% vacation pay, and an attractive bonus scheme;Pension accumulation through STIPP and additional insurance for long-term illness;Option for a company electric car;A laptop and all necessary tools for a productive home office setup;Flexibility to work from anywhere (hybrid) and the possibility to work remotely with prior agreement;A Vitality budget of €30 per month to support your physical, mental, and emotional well-being;A volunteer day, allowing you to contribute to society in a way that suits you!A strong focus on your personal development.Social Friday afternoon drinks, study evenings, training days, and monthly team outings.

Join our dynamic team as a Senior Data Engineer Consultant at sia. In this pivotal role, you will leverage your extensive expertise in data engineering to drive innovation and create data-driven solutions that empower our clients. Your responsibilities will include designing robust data pipelines, ensuring data quality, and collaborating with cross-functional teams to implement cutting-edge technologies.

About the Role Speechify is looking for a Software Engineer focused on iOS Core Product development in Rotterdam, Netherlands. This position centers on building and improving the main features of our iOS apps. The work involves collaborating with teams across design, product, and engineering to deliver smooth, reliable experiences for users. What You Will Do Design and implement features that strengthen the core of Speechify’s iOS applications Work side by side with colleagues from different disciplines to bring new ideas to life Help ensure our iOS apps remain intuitive, stable, and enjoyable to use

Vicoma, based in Rotterdam, Zuid-Holland, specializes in engineering for industrial projects with a strong focus on sustainable solutions. The company values practical expertise, adaptability, and a collaborative approach. Team members work closely together, drawing on collective experience to deliver real results. Role overview The Senior Piping Design Engineer leads the design, coordination, and execution of piping projects, managing everything from early concepts to detailed engineering. This position requires independent project ownership and the ability to guide and mentor a team of designers. The engineer ensures technical quality, tracks progress, manages schedules, and acts as the main contact for both internal teams and clients. Main responsibilities Independently execute piping design projects from concept through detailed phases Lead projects and supervise junior and medior designers Develop and monitor project schedules and technical progress Work with 3D and 2D software, including Plant 3D, AutoCAD, and Navisworks Participate in and facilitate model review meetings Check designs and resolve technical issues as they arise Conduct site visits and coordinate with clients on location Use laser scans and point clouds in the design process Apply relevant codes and standards, such as ASME and EN Collaborate with other disciplines, including Process, Civil, E&I, and Project Management Work environment Vicoma provides an environment where professionals can take initiative and contribute to practical, meaningful solutions. Employees note the supportive atmosphere and the chance to tackle complex industrial projects alongside experienced colleagues.

Crunch Analytics seeks a Lead Senior Data Engineer to join the team in Rotterdam, Zuid-Holland. This position focuses on building and maintaining reliable data pipelines and platforms, ensuring that data-driven insights lead to meaningful decisions for clients. Data engineering sits at the core of Crunch Analytics’ mission, bridging the gap between algorithms and real-world impact. Key Responsibilities Design and implement data pipelines and infrastructure that are scalable, dependable, and easy to maintain. Make foundational architectural decisions early in projects to support long-term sustainability and foster client confidence. Guide the team in selecting the most suitable tools and strategies, such as choosing between Iceberg and traditional data warehouses or weighing a lean dbt model against a large Spark job. Mentor mid-level engineers, sharing expertise and raising the standard for the team. Challenge existing architectural assumptions and advocate for improvements when needed. Collaborate closely with clients from the initial concept phase through to a fully operational data platform. Requirements Proven experience designing and building sustainable data pipelines and platforms. Comfort making architectural decisions and explaining those choices to both technical teams and clients. Strong mentoring skills and a collaborative approach to team development. Ability to navigate trade-offs between different data engineering tools and methodologies. Willingness to engage in both hands-on engineering and high-level architectural planning. Working at Crunch Analytics Crunch Analytics helps organizations become truly data-driven. The team values clear, sustainable solutions over quick fixes and focuses on building data infrastructure that clients can trust for years to come.

Are you ready to tackle complex data projects where your expertise truly makes a difference? As a Senior Data Engineer at KVL, you will transform challenging data issues into innovative, scalable data platforms while collaborating closely with clients and colleagues. This role offers the ideal blend of technical challenges, teamwork, and growth opportunities, with the potential to advance to the role of Lead Data Engineer.What We Offer YouSalary: Your indicative salary at this level ranges from €5,100 to €7,380, with opportunities for growth up to €8,480 (Master level) based on your development and commitment.Development: A wealth of responsibility and opportunities for professional growth through an entrepreneurial plan and T-Shaped development.Knowledge Sharing: Inspirational sessions to exchange experiences and insights with colleagues on the latest technologies.Secondary Benefits: 26 vacation days, pension scheme, laptop & phone allowance, company fitness.Mobility: Company car or public transport allowance.Company Culture: A warm, people-centric culture that prioritizes your personal growth and job satisfaction, along with regular fun activities and social gatherings with colleagues.Social Impact: Work for socially committed organizations such as Mercy Ships Holland and Stichting Jarige Job.Your Role as Senior Data EngineerIn this position, you will engage with challenging data projects that have a real impact. You will convert complex data challenges into practical, scalable solutions and develop data platforms based on MS Azure technologies including Databricks, Synapse, Fabric, and Data Factory. Collaboration with data scientists, software engineers, and clients is key; you will ensure that data is utilized reliably, accessibly, and valuably. Additionally, you will mentor junior and mid-level engineers, share your expertise, and contribute to the team's overall success. This role allows you to excel technically while also exploring your leadership capabilities.Growth Perspective: Lead Data EngineerDo you want to have a greater impact and lead data experts? From the Senior Data Engineer position, you can progress to Lead Data Engineer. In this role, you will manage a team, advise clients on data architecture, and work on challenging data platforms within the Microsoft Cloud Stack. For candidates with the right experience, this is a role you can step into directly, combining hands-on execution with leadership and involvement in pre-sales processes, becoming the face of...

Join Our Team as a Senior Big Data Engineer!About Our Product and Team:Become a key player in the Polaris team, where we turn Swisscom's raw network data into valuable insights that will influence the future of telecommunications in Switzerland. Collaborating with a diverse group of software engineers, data engineers, and data scientists, you will help to create innovative data and AI products that are crucial for the strategic deployment and planning of Swisscom's mobile network. Our team is driven by innovation, a shared passion for tackling complex challenges, and delivering meaningful solutions.We believe in continuous learning and professional development, offering exciting opportunities to work on cutting-edge projects and expand your expertise. We value diversity and encourage team members to share their unique perspectives, fostering a collaborative and enriching work environment. Your Role as a Senior Big Data Engineer:Design, implement, optimize, and maintain scalable data pipelines.Analyze complex data structures and business requirements to develop target data architectures and transformations.Work closely with cross-functional teams and stakeholders to deliver user-centric data products.Engage in continuous learning and apply new data engineering techniques to improve project outcomes.Effectively communicate findings and technical concepts to both technical and non-technical audiences.Implement regular security updates, enhance infrastructure stability, and conduct continuous performance monitoring to ensure robust and secure operations.

As a Senior Geotechnical Advisor at SOCOTEC, you will deliver expert geotechnical consultancy for a diverse range of projects, from small-scale constructions to intricate building excavations and high-rise developments in urban settings, as well as infrastructure projects. Your role will involve close collaboration with clients, engineers, and fellow advisors, along with field staff, laboratory teams, and the geo-monitoring department. You will ensure high-quality advisory services, effectively managing project timelines and budget constraints. Engaging with clients, you'll also collaborate with our sales team to develop competitive proposals and contribute to growing and maintaining our client network. Leveraging your expertise, you will mentor junior advisors in their early careers. Actively participating in knowledge management within the advisory department and contributing to nationally active geotechnical committees is also part of your responsibilities.

Join Esri as a Senior GIS Solutions Engineer specializing in AEC and Infrastructure. In this pivotal role, you will leverage your expertise in Geographic Information Systems to deliver innovative solutions that enhance infrastructure projects. You will collaborate with clients and teams to design, implement, and optimize GIS technologies, ensuring they meet the unique demands of various infrastructure initiatives.Your knowledge and experience will be crucial in driving efficiencies and providing insights into spatial data analysis, thereby supporting strategic planning and decision-making processes.