Backend Developer

A company is looking for support in the digital transformation of investment controlling. The work takes place within a SCRUM team in the finance department. The focus is on developing and optimizing TM1 Planning Analytics as the core system, including creating interfaces, processing data in the model, and providing it for reporting purposes.

A company is looking for a Forward Deployed Engineer with a very strong technical background to implement AI solutions into existing systems and develop custom solutions for clients. The goal of the project is to boost efficiency and productivity through AI technologies and create innovative approaches. In this role, you will work closely with clients and internal teams to solve technical challenges and lead the implementation of AI solutions. - Analyze existing systems and identify optimization opportunities with AI. - Develop and implement tailored AI solutions. - Collaborate with clients to understand and fulfill their requirements. - Ensure the technical feasibility and scalability of the solutions. - Train and support clients in using the implemented systems.

- Analyse complex data structures and dependencies using SQL queries - Define data mapping logic for data transformation together with product teams and stakeholders - Design and execute test scenarios to ensure data integrity and quality throughout the migration process - Perform error analysis and feed findings back into the team to jointly develop solutions - Create KPI dashboards and reports - Present analyses and results to internal and external stakeholders

As part of a proof of concept (PoC), it should be determined whether Exasol on STACKIT is suitable as a new analytics platform for controlling (with the frontend strategy also on STACKIT). Tasks: - Conduct and technically evaluate a proof of concept (PoC) to introduce Exasol on STACKIT as the new analytics platform in the controlling environment - Analyze the suitability of Exasol in combination with frontend strategy solutions on STACKIT - Design and implement modern cloud data warehouse architectures - Develop and optimize complex database solutions based on Oracle and SQL Server - Create and further develop data models (conceptual, logical, and dimensional) - Participate in Data Vault-based architecture and integration projects - Support the modernization and migration of legacy SQL code using modern AI-driven approaches - Establish and optimize CI/CD processes as well as Git-based development and deployment workflows - Collaborate with business units, architecture teams, and platform owners

A company is looking for an experienced Data Engineer to carry out a migration from Snowflake to ClickHouse. The focus is on using Apache Spark for data processing and on managing and optimizing Kubernetes environments. The goal is to build and operate a powerful and scalable data platform. - Executing the migration from Snowflake to ClickHouse - Developing and optimizing data pipelines with Apache Spark - Managing and optimizing Kubernetes clusters - Ensuring the performance and scalability of the data platform - Implementing solutions in Python - Optional: Working with Snowplow for data analytics

A company is looking for an experienced OpenSearch consultant who will be responsible for analyzing, designing, and re-designing an existing OpenSearch platform. The focus is on developing a future-ready target architecture that supports the upcoming data center migration, without handling the migration or operational implementation itself. The consultant acts as a technical architect and sparring partner, providing solid decision-making foundations for the subsequent implementation. The starting point is a very large, historically grown OpenSearch platform with clusters spread across more than two data centers, about 500 TB of storage, and around 20,000 shards. The platform features complex data and index structures and demands high performance, availability, operational stability, and cost control. The upcoming move is used intentionally to identify and fix architectural weaknesses and inefficiencies. Analysis of the current architecture: - Assessment of the existing OpenSearch/Elasticsearch environment - Analysis of cluster topology, shard and index strategies, data volumes, and growth assumptions - Identification of technical and structural debt - Evaluation of operational and stability risks Target architecture & re-design: - Conceptualization of a scalable and high-performance target architecture - Re-design of index and shard concepts as well as data models and structures - Optimization of data and structural concepts with a focus on reduction potentials - Development of self-service mechanisms and cost transparency models - Derivation of clear architecture and design principles Design artifacts & handover: - Documentation of the target architecture (logical & conceptual) - Description of architecture variants including evaluation of risks, assumptions, and dependencies - Recommendations for the later implementation

- Build and evolve the microservice architecture tailored to the business domain using Domain Driven Design - Promote and drive the implementation of the technology strategy, architectural knowledge sharing, innovation, and standardization within the project - Advise on the implementation of the technical architecture in software development - Implement technical components in applications based on the used technologies (microservice architectures, Spring, AWS, messaging, Kotlin), including related interfaces, modules, and databases - Implement and optimize CI/CD pipelines based on GitLab CI, Jenkins, Docker, and OpenShift (Kubernetes) - Ensure a highly automated, stable application operation with continuous improvement of architecture, processes, and tools. Program and implement/customize technical components in applications based on the used technologies, including related interfaces, modules, and databases, while adhering to the client's standards (e.g., using standardized development environments and coding guidelines)

A company in the automotive supplier industry is looking for an experienced Infor AS Consultant to support the team in further developing and optimizing ERP functionalities. The project's goal is to ensure system stability and functionality in the long run and to continuously optimize ERP processes. The consultant will work closely with the business units to implement system-side requirements, taking on a consulting and supporting role. The assignment is ideally 50% remote and 50% on-site near Schweinfurt, with at least one on-site visit per month required. - Designing, further developing, and optimizing ERP functionalities, taking into account legal and organizational requirements - Analyzing and resolving system errors, and identifying root causes - Supporting business units through customizing and implementing ERP solutions - Providing second-level support for technical issues - Developing, administering, and enhancing interfaces, and maintaining existing integrations - Conducting and evaluating statistical analyses to monitor system functionality - Performing tests and handing over new processes to internal stakeholders - Continuously supporting and assisting in optimizing ongoing ERP processes

A company is looking for an experienced Java IT Architect for a project at a development bank with a duration of five months. The project's goal is to develop and optimize the IT architecture of operational and administrative systems and to analyze and implement business requirements into the bank's IT architecture. - Development of the IT architecture for operational and administrative systems. - Conducting impact analyses of business requirements on the IT architecture. - Monitoring and analyzing portfolio changes and preparing them for management decisions. - Creating IT concepts and performing migration tasks. - Using and evaluating AI plugins to support software development. - Ensuring security aspects in software development (secure coding, authentication, encryption). - Documenting the architecture and interfaces.

A company is investing in refining its agentic toolbox and building a platform to run autonomous engineering tasks at scale. The initial focus is on software delivery, with plans to expand into other roles beyond engineering. The vision is to enable humans to steer while agents deliver. The project involves greenfield work, integrating into existing internal systems and processes. Many tech stack decisions are yet to be made, with AWS being a given and a Java/React stack highly likely. The role requires assembling a team of strong, forward-thinking engineers to build out this vision. Candidates should be comfortable jumping between tech stacks and energized by the idea of building a platform that changes how software gets delivered. They should be able to own significant pieces end-to-end and maintain a tight feedback loop with (future) users to shape the platform. As the solution is rolled out, candidates will act as advocates, coaches, and consultants to help teams with adoption. - Build and refine a platform for autonomous engineering tasks at scale. - Integrate the platform into existing internal systems and processes. - Make key tech stack decisions, with AWS and Java/React as likely components. - Maintain a tight feedback loop with users to shape the platform. - Advocate, coach, and consult teams for adoption of the solution.

For an AI lab we are looking for Machine learning experts to train an AI model (Large Language Model - LLM). GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: - Design original computational STEM problems that simulate real scientific workflows - Create problems that require Python programming to solve - Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) - Develop problems requiring non-trivial reasoning chains and creative problem-solving approaches - Verify solutions using Python with standard libraries (numpy, pandas, scipy, sklearn) - Document problem statements clearly and provide verified correct answers

A company is looking for an experienced ERP Transformation Manager who will have overall responsibility for planning and managing a comprehensive ERP transformation program. The project aims to harmonize processes, introduce a new ERP system, and implement IFRS requirements. The ERP Transformation Manager will analyze, redesign, and standardize commercial core processes in civil and rail construction. This includes translating IFRS requirements into system structures and posting logic, closely aligned with Finance, Controlling, Project Management, and IT departments. The role includes managing the ERP implementation, including fit-gap analyses, process design, test management, and migration. A unified reporting and KPI framework for corporate financial statements and project control will also be developed. The manager will act as the central interface between operational units, Finance, executive management, and the group, and will establish a sustainable change and training concept for users. - Planning and management of the ERP transformation program (IFRS transition, process harmonization, ERP rollout) - Analysis, redesign, and standardization of commercial core processes - Translation of IFRS requirements into system structures and posting logic - Management of ERP implementation, including fit-gap analyses, process design, test management, and migration - Development of a unified reporting and KPI framework - Stakeholder management and ensuring smooth communication - Leading interdisciplinary project teams and coordinating external consultants and implementation partners - Establishing a sustainable change and training concept - Ensuring measurable process optimization after ERP system go-live

- Vision & Strategy: You shape the roadmap for the point-of-sale system of the future and make sure we not only meet but anticipate our customers' needs. - Multi-Platform Excellence: You oversee the development of our app ecosystem with a focus on Android. You understand the challenges of different form factors (from the compact card terminal to the large stationary tablet). - Delivery Management: You lead your cross-functional development team with clarity and enthusiasm. You facilitate ceremonies, resolve blockers, and celebrate releases. - Requirements Engineering: You translate complex business logic into precise technical requirements and user stories that leave no questions for developers.

For an AI lab we are looking for a Mechanical Engineer with Python experience to train an AI model (Large Language Model - LLM). GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join you’ll have the opportunity to collaborate on these projects. Although every project is unique, you might typically: - Content Creation & Refinement: Create and refine content to ensure accuracy and relevance across a variety of topics in Mechanical Engineering, while also developing references and examples of tasks. - Experts Acquisition: Assess the qualification tests of experts, ensuring their competency. - Chat Moderation: Provide support by addressing project-related questions from other experts in Discord chats, especially those related to project guidelines. - Auditing Work: Review and evaluate tasks completed by other experts, ensuring they align with project guidelines. Provide constructive feedback, verify expertise-related information, and edit content as necessary to improve quality.

A company is looking for an experienced Product Manager to lead the selection and implementation of Point of Sale (POS) hardware for kiosks. The goal of the project is to identify the optimal hardware solution that meets the specific requirements of the kiosks and to coordinate its rollout. The Product Manager will play a key role in analyzing requirements, evaluating hardware options, and collaborating with internal and external stakeholders to ensure a smooth implementation. - Analyze the kiosks’ requirements and needs regarding POS hardware. - Research and assess available POS hardware solutions on the market. - Work with suppliers and vendors to identify the best options. - Create decision templates and present the results to management. - Plan and coordinate the implementation of the selected hardware. - Monitor and ensure adherence to schedules and budgets.

We are seeking an analytical and technically-minded professional to: - Evaluate AI outputs and processes - Ensure quality, accuracy, and reliability - Identify logical errors, risks, and structural inconsistencies - Provide actionable insights and recommendations to the team Ideal candidates: - Consultants, auditors, analysts, data researchers, or business/technical analysts with strong reasoning skills - Professionals curious about AI, process improvement, and quality evaluation - Problem-solvers who enjoy analyzing complex systems, logic, and scenarios Key Responsibilities: - Lead evaluation of AI outputs and related processes - Review tasks against expected/ideal scenarios; identify gaps and risks - Provide structured, actionable recommendations to engineers, domain experts, and managers - Maintain and improve evaluation guidelines, checklists, SOPs - Suggest new approaches, tools, and processes to enhance AI evaluation

A company is looking for support in a project to evaluate, implement and further develop quality surveys in digital channels. The goal of the project is to increase customer satisfaction in digital channels by evaluating, implementing and refining survey methods to ensure a consistent gathering of customer satisfaction across all channels. Improvement potentials should be identified and implemented. The role includes advising, developing and implementing measures to collect and enhance customer satisfaction in digital channels. Main tasks: - Advising on survey methods to gather customer experience and quality in digital channels, market standards, benchmarks and future orientation. - Developing a future model for quality in digital channels, relevant KPIs and survey methods as well as standard processes. - Implementing the decided measures including interface management and coordination with technology partners and social partners. - Testing implemented measures to collect data and ensure required criteria are met. - Consolidating and listing existing and missing customer survey methods/Quality KPIs across all responsible digital channels. - Advising in the preparation of decision papers and implementing the necessary measures. - Identifying improvement potentials and developing a standard process for transparency and implementation.

At our client, changes in operations support and related work in the cloud native environment are on the agenda. - Development of the delivery pipeline - Development of the applications catalog for ODC - Development of the ITSM/CMDB integration

A company is looking for an experienced project manager with solid project management skills who can coordinate multiple projects at the same time. The projects include, among others, agency integrations, managing HR involvement, and driving automation projects with prior process analysis. The role requires knowledge of AI and the use of related tools. HR knowledge as well as marketing and communication skills are a plus. There is the option to split the focus areas so that one project manager concentrates on AI and another on HR processes. Experience with the Workday HCM system is also desirable. Main tasks: - Coordinating and managing various projects, including automation and integration projects. - Analyzing and optimizing processes before implementing automation solutions. - Collaborating with agencies and managing HR involvement. - Using AI tools to support project goals. - Ensuring adherence to schedules and budgets. - Communicating and aligning with internal and external stakeholders.

We’re looking for someone who can design realistic and structured evaluation scenarios for LLM-based agents. You’ll create test cases that simulate human-performed tasks and define gold-standard behavior to compare agent actions against. You’ll work to ensure each scenario is clearly defined, well-scored, and easy to execute and reuse. You’ll need a sharp analytical mindset, attention to detail, and an interest in how AI agents make decisions. Although every project is unique, you might typically: - Designing structured test scenarios based on real-world tasks. - Defining the golden path and acceptable agent behavior. - Annotating task steps, expected outputs, and edge cases. - Working with devs to test your scenarios and improve clarity. - Reviewing agent outputs and adapting tests accordingly

A company is looking for an experienced freelance Staffing Project Manager or Program Manager to lead the structured setup of an agency with around 150 employees within six months. The role includes full responsibility for the recruiting initiative, covering planning, coordination, and operational execution. The candidate will serve as the central coordinator between internal resources, external freelance recruiters, and management, ensuring a comprehensive overview of all ongoing activities. - Project planning and management: Establish structures, processes, and tools from scratch, manage the project timeline, priorities, and escalations, and conduct kick-off meetings. - Staffing and resource planning: Develop and maintain a complete staffing plan, lead a team of internal and freelance recruiters, plan freelancer needs, and coordinate onshore and offshore recruiting activities. - Controlling and overview: Track budgets, monitor recruiting activity status, provide regular reports to management, and proactively solve issues. - Collaboration and stakeholder management: Work closely with global business partners, HR departments, and recruiting teams to ensure smooth cross-functional processes along the candidate journey. - Onboarding and infrastructure: Assist with setting up access, licenses, hardware, and software to ensure a seamless onboarding experience. - Culture and employee experience: Consider cultural aspects during the setup process, promote positive onboarding and integration experiences, and be sensitive to cultural differences in nearshore and offshore collaboration.

A company is seeking a Staff Product Manager to lead the realization of design visions for consumer-facing, multimodal experiences across voice, chat, and beyond. The role involves bringing the product vision to life within the product team, ensuring clarity and usability across various interfaces. The successful candidate will collaborate closely with product managers, engineers, and AI specialists to align on priorities, user needs, technical feasibility, and business impact. The focus will be on balancing simplicity and delight, ensuring interfaces feel natural and human-like across voice, chat, and graphical touchpoints. Key responsibilities: - Drive the realization of the design vision for multimodal experiences. - Partner with cross-functional teams to align on priorities and user needs. - Prototype and test interaction models for intuitive and trustworthy AI agents. - Take end-to-end ownership of design within the product team. - Deliver high-quality, hands-on work to shape product direction.

A company in the medical technology sector is looking for an experienced Cyber Security Consultant to act as an independent advisor at the intersection of software architecture, DevOps, and regulatory affairs. The project goal is to develop and secure innovative digital health products (Software as a Medical Device / Connected Devices). The role involves purely technical consulting, technical assessments, and delivery of validated security artifacts, without operational management decisions. The focus is on translating regulatory requirements (FDA, MDR, EU CRA, NIS2) into technical solutions and objectively assessing security risks. - Holistic Threat Modeling: Conduct STRIDE-based analyses for APIs, cloud-native services, AI components, and CI/CD pipelines, and maintain formal threat model reports. - Security Architecture & Design: Create technical data flow diagrams (DFDs) and security architecture review reports to document security decisions in cloud and container environments. - DevSecOps & Supply Chain Security: Advise on hardening CI/CD pipelines, implementing "security by default", and managing SBOM artifacts (third-party risk). - Penetration Testing Support: Define the scope for pen tests and fuzzing, and technically validate the results and CVSS scorings. - Vulnerability Management: Assess vulnerabilities (vulnerability impact assessments) and develop remediation plans. - Audit Preparation: Compile technical evidence and documentation for regulatory submissions (FDA, MDR, MDS2).

A company is looking for an experienced Quality Compliance Auditor responsible for ensuring compliance with GCP, GCLP and GVP standards. The goal of the project is to carry out internal and external audits, prepare and support regulatory inspections, and identify compliance gaps and derive corrective actions. The role includes planning and executing audits, supporting regulatory inspections, and ensuring compliance with ICH guidelines as well as EMA/FDA regulations. - Perform internal and external audits (GCP, GCLP, GVP) - Prepare and support regulatory inspections (e.g., MHRA, FDA, EMA) - Identify compliance gaps and derive corrective actions

A company is seeking an experienced Interim Manager to temporarily take on leadership or transformation responsibilities within technology-driven organizations. The primary goal is to stabilize, develop, or transform technical organizational units and manage complex projects with high technical and regulatory complexity. - Analyze technical organizations, processes, and governance structures. - Develop and implement optimization or transformation strategies. - Advise executive management on technical, organizational, and strategic matters. - Lead complex technical projects or programs. - Ensure compliance with technical norms, standards, and regulatory requirements. - Manage interdisciplinary teams and ensure quality in technical project execution. - Evaluate technical risks and implement quality and compliance processes.

A company is looking for a Senior Regulatory Compliance Expert to support its team in preparing for FDA inspections. The role includes conducting mock inspections, providing strategic advice on inspection readiness, and assisting with pre-approval and routine inspections. The ideal candidate has extensive expertise in regulatory compliance, especially FDA standards, and plays a key role in ensuring the company meets global compliance requirements. - Conduct mock inspections according to FDA standards - Provide strategic advice on inspection readiness - Assist with pre-approval and routine inspections

A transformation and modernization project at the HKW Tiefstack site in Hamburg is looking for support. The goal of the project is to further develop the energy and heat infrastructure into a future-proof and flexible system. Plant engineering, hydraulics, energy supply, and control systems all play a central role. The project is in the implementation phase. The previous person in charge will leave the project in about 2 months, so there is an urgent need for takeover and ensuring a smooth handover.

A company is looking for support for the project "Further Development of Crisis Management". The goal of the project is to drive the development of crisis management (CM) and complete the implementation of the CM lifecycle. The CM lifecycle includes, among other things, regular reviews of the crisis management plan, preparation and execution of crisis management exercises and workshops, as well as the analysis and improvement of the crisis management system and crisis risks. The role includes coordinating all steps of the CM lifecycle, objectively assessing the crisis management system, and developing recommendations for improvement. In addition, company-specific templates and presentations are developed, and preparation and follow-up for tests and exercises are carried out. Documenting and tracking lessons learned are also part of the tasks, as well as advising on and implementing potential improvements.

We are seeking experienced data scientists to create computationally intensive data science problems for an advanced AI evaluation project. This is a remote, project-based opportunity for experts who can design challenging problems that require computational methods to solve and mirror the full data science lifecycle - from data acquisition and processing to statistical analysis and actionable business insights. What You'll Do - Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare) - Create problems requiring Python programming to solve (using pandas, numpy, scipy, sklearn, statsmodels, matplotlib, seaborn) - Ensure problems are computationally intensive and cannot be solved manually within reasonable timeframes (days/weeks) - Develop problems requiring non-trivial reasoning chains in data processing, statistical analysis, feature engineering, predictive modeling, and insight extraction - Create deterministic problems with reproducible answers - avoid stochastic elements or require fixed random seeds for exact reproducibility - Base problems on real business challenges: customer analytics, risk assessment, fraud detection, forecasting, optimization, and operational efficiency - Design end-to-end problems spanning the complete data science pipeline (data ingestion → cleaning → EDA → modeling → validation → deployment considerations) - Incorporate big data processing scenarios requiring scalable computational approaches - Verify solutions using Python with standard data science libraries and statistical methods - Document problem statements clearly with realistic business contexts and provide verified correct answers

A company is looking for immediate interim support as an Accounting Lead / Head of. The goal of the project is to take over leadership and coordination of two teams - Accounts Payable (AP) and General Ledger (GL) - with a total of 13 team members. The focus is on ensuring smooth accounting processes and supporting strategic and operational tasks. - Lead and coordinate the AP and GL teams - Ensure compliance with accounting standards and guidelines - Support process and system optimization - Monitor and analyze financial data - Collaborate with other departments and external partners - Report to executive management