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JOIN OUR TEAM As a Junior Tax Specialist , you will be part of our Finance team, ensuring robust VAT compliance and providing expert tax guidance to support our fast-growing e-commerce business. By overseeing VAT reporting, managing cross-border tax obligations, and collaborating with internal stakeholders, you will help ensure that our tax processes remain compliant, efficient, and aligned with evolving regulations. This position is permanent and based in Warsaw . WHAT YOU'LL DO Be a key contributor to our Finance team, supporting the delivery of a world-class e-commerce experience while ensuring compliant and efficient tax processes across multiple jurisdictions Support VAT compliance across multiple jurisdictions, including preparing VAT returns, EC Sales Lists, Intrastat, SAF-T and other local indirect tax filings Review VAT-related data and transactions, identify discrepancies and help ensure accurate and timely tax reporting Research VAT regulations and support the analysis of tax questions, helping identify risks and practical solutions for business transactions Support VAT audits and tax authority inquiries by preparing documentation and coordinating information with internal stakeholders Contribute to improving VAT processes, including exploring opportunities to use AI and automation to improve data quality and efficiency Collaborate closely with Accounting, Supply Chain, Tech, and Customer Care teams to support VAT-related business projects YOU COME WITH A degree in Finance, Accounting, Law, or a related field, and 2-3 years of professional experience in indirect tax, particularly VAT Intermediate knowledge of Polish and EU VAT regulations, including an understanding of Intrastat reporting Experience preparing or reviewing VAT returns, analysing tax data and resolving discrepancies Practical experience with Microsoft Office (especially Excel) and ERP systems such as Microsoft Dynamics 365 Business Central or similar Strong attention to detail, reliability,

About BlockTech BlockTech is a fast-paced algorithmic trading firm at the frontier of global cryptocurrency derivatives and spot markets. We trade 24/7 across some of the most data-rich, fast-moving venues in finance, and we use that data to build smarter models, sharper signals, and more adaptive systems. Crypto is one of the few markets where a researcher can still meaningfully move the edge. The data is abundant, the microstructure is novel, and the feedback loop between a research idea and live PnL couldn’t be shorter. We’re growing fast, and we’re looking for a Quantitative Researcher with a strong machine learning toolkit to help us push that edge further. The role As a Quantitative Researcher on our trading floor, you’ll own ideas end-to-end from hypothesis and dataset construction through feature engineering, model training and backtesting, all the way to live deployment, monitoring, and iterative improvement. You’ll sit shoulder-to-shoulder with Quantitative Traders and Quantitative Analysts, and your work will directly drive how we price and trade. You will: Collaborate closely with traders to translate research insights into systematic trading strategies Design, develop and deploy models for price prediction, signal generation, execution, and anomaly detection across crypto derivatives and spot markets using state-of-the-art AI and ML techniques. Build robust trading, backtesting and research infrastructure alongside our engineers, so promising ideas can move into production quickly and safely Own models in production: monitoring live performance, diagnosing decay, and iterating on what you ship What we're looking for A strong academic background in a quantitative discipline (Mathematics, Physics, Statistics, Computer Science, Econometrics, ML/AI, or similar), typically a PhD or an MSc with strong research experience Fluency in Python and the modern ML stack (PyTorch and/or TensorFlow, scikit-learn, NumPy, pandas) A deep, intuitive grasp of overfitting, g

About BlockTech BlockTech is a fast-paced algorithmic trading firm at the frontier of global cryptocurrency derivatives and spot markets. We trade 24/7 across some of the most data-rich, fast-moving venues in finance, and we use that data to build smarter models, sharper signals, and more adaptive systems. Crypto is one of the few markets where a researcher can still meaningfully move the edge. The data is abundant, the microstructure is novel, and the feedback loop between a research idea and live PnL couldn’t be shorter. We’re growing fast, and we’re looking for a Quantitative Researcher with a strong machine learning toolkit to help us push that edge further. The role As a Quantitative Researcher on our trading floor, you’ll own ideas end-to-end from hypothesis and dataset construction through feature engineering, model training and backtesting, all the way to live deployment, monitoring, and iterative improvement. You’ll sit shoulder-to-shoulder with Quantitative Traders and Quantitative Analysts, and your work will directly drive how we price and trade. What you’ll work on Collaborating closely with traders to translate research insights into systematic trading strategies Designing, developing and deploying models for price prediction, signal generation, execution, and anomaly detection across crypto derivatives and spot markets using state-of-the-art AI and ML techniques. Building robust trading, backtesting and research infrastructure alongside our engineers, so promising ideas can move into production quickly and safely Owning models in production: monitoring live performance, diagnosing decay, and iterating on what you ship What we’re looking for A strong academic background in a quantitative discipline (Mathematics, Physics, Statistics, Computer Science, Econometrics, ML/AI, or similar), typically a PhD or an MSc with strong research experience Fluency in Python and the modern ML stack (PyTorch and/or TensorFlow, scikit-learn, NumPy, pandas) A deep, intuit

Want to work in technology at an investment bank? Paid graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches). Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel. mthree has an exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training. What you'll do: Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting. Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on. How the Alumni program works: Apply via this job advert. Complete our assessment process. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Join a mthree client for 12-24 months while receiving support and salary increases every 9 months. The vast majority then convert to permanent employees with the client at the end of the program. What you’ll learn at the mthree Academy: How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery. How to discuss common financial topics, including financial markets, equity trading, derivatives, currency, treasury, regulation, and risk. How to write a basic computer program in Python, including user i

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me , Do the Right Thing , and Get Things Done . These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more. About the Opportunity You will be responsible for product planning and solution design for an enterprise-grade AI Native engineering platform, driving the deep integration of AI Agents, AI Coding, knowledge capabilities, and engineering platform systems. The goal is to build an intelligent product system covering requirement analysis, solution design, development collaboration, testing validation, environment orchestration, and knowledge accumulation.This role serves complex engineering processes and multi-role collaboration scenarios. You are expected to design AI product capabilities that can be embedded into workflows, measured for impact, and continuously evolved in real enterprise environments, enabling the product to scale from pilot adoption to broad organizational rollout. What You’ll Be Doing Participate in product planning, requirement analysis, and solution design of the AI Native engineering platform, and drive continuous product evolution and adoption. Develop a deep understanding of the end-to-end engineering lifecycle, and translate the core scenarios and collaboration pat

Want to work in technology at an investment bank? Graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches). Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel. mthree has an exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training. What you'll do: Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting. Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on. How the Alumni program works: Apply via this job advert. Complete our assessment process. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months. The vast majority then convert to permanent employees with the client at the end of the program. What you’ll learn at the mthree Academy: How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery. How to discuss common financial topics, including financial markets, equity trading, derivatives, currency, treasury, regulation, and risk. How to write a basic computer program in Python, including user input

NK Securities Research is a leading financial firm that leverages cutting edge technology and sophisticated algorithms to trade the financial markets. Founded in 2011, we have gained invaluable experience in the field of High Frequency Trading across different asset classes. About the Role: We are hiring a Graduate or CA Inter-qualified professional with a strong foundation in accounting, bookkeeping, taxation, and statutory compliance. This role is ideal for someone looking to apply their academic knowledge in a real-world, fast-moving financial services environment. You will play an active role in maintaining books of accounts, assisting with audits, preparing reports, and supporting financial operations in a broking environment. Key Responsibilities: Accounting & Bookkeeping: Maintain day-to-day accounting entries in Tally/ERP. Prepare journal entries, accruals, and ledger reconciliations. Ensure timely closure of books and preparation of trial balances. Banking & Reconciliations: Handle daily bank reconciliations and monitor fund flows. Reconcile intercompany and client accounts periodically. Track outstanding balances and coordinate for settlements. Statutory & Regulatory Compliance: Assist in preparing GST returns, TDS workings, and other tax compliances. Work on preparation and filing of ROC and SEBI-related documents under guidance. Coordinate with consultants/auditors for monthly and annual audits. MIS & Reporting: Prepare MIS reports, cash flow statements, and expense trackers. Assist senior finance team in budgeting and variance analysis. Ensure accuracy and timeliness in all financial reporting activities. Qualifications & Skills: Graduate or Semi-Qualified CA (CA Inter) Prior experience in a CA firm Hands-on experience with Tally Prime Good working knowledge of TDS, GST, and statutory/compliance filings Exposure to accounting, taxation, and regulatory compliance Strong analytical and problem-solving skills Ability to work

The Mechanical Foreman is responsible for overseeing the installation, maintenance, and repair of all mechanical systems and equipment within the mine. This role ensures that all mechanical work is conducted in compliance with the Coal Mines Regulation of 2017, maintaining high standards of safety, reliability, and efficiency. The Mechanical Foreman coordinates with engineers, technicians, and mine management to implement mechanical projects, troubleshoot issues, and ensure the continuous operation of mining machinery and equipment. Source: Adani Group | Job ID: 51951

The Welfare Officer in a coal mine is a statutory position that is responsible for fostering harmonious relations between management and employees, addressing grievances, and promoting a conducive working environment. They oversee welfare activities, assist in leave management, and implement measures to enhance the standard of living and well-being of the workers. Source: Adani Group | Job ID: 51878

Job Title: Junior Revenue Cycle Management (RCM) Specialist Location: Remote - United States Employment Type: FT W2 Compensation: $35 per hour CareTalk Health is a virtual medical practice that specializes in Clinical Process Outsourcing (CPO). We partner with healthcare organizations to build and manage patient and member populations. About the Role We’re looking for a Junior RCM Specialist to support the full revenue cycle — from billing and credentialing through claims processing, payment posting, and accounts receivable follow-up. This is an ideal role for someone early in their medical billing or healthcare administration career who has a solid grasp of the insurance workflow and wants to grow in a fast-paced virtual care environment. The ideal candidate understands how claims move through the insurance lifecycle, has exposure to provider credentialing, and is comfortable managing accounts receivable. You’re organized, analytical, proactive, and at ease working across billing systems, payer portals, and cross-functional teams. Schedule: Monday - Friday Days What You’ll Do • Support claim submission to ensure timely, accurate billing • Monitor claim status and follow up on unpaid or denied claims • Assist with provider credentialing and payer enrollment, keeping documentation and records current • Manage accounts receivable, including aging follow-up, collections, and resolution of outstanding balances • Support denial management by identifying issues, documenting trends, and escalating complex cases • Post payments, adjustments, and remittance information accurately • Reconcile billing discrepancies and resolve account issues • Verify patient eligibility, insurance information, and benefits as part of the insurance workflow • Maintain documentation of billing activity, follow-up efforts, and account status • Communicate with payers, vendors, and internal teams on claim issues and payment delays • Help track key R

Want to work in technology at an investment bank? Paid graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches). Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel. mthree has an exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training. What you'll do: Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting. Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on. How the Alumni program works: Apply via this job advert. Complete our assessment process. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months. The vast majority then convert to permanent employees with the client at the end of the program. What you’ll learn at the mthree Academy: How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery. How to discuss common financial topics, including financial markets, equity trading, derivatives, currency, treasury, regulation, and risk. How to write a basic computer program in Python, including user

About us We were founded in 2017 with the motivation to reach people globally by giving them unique and unforgettable experiences with disruptive products. Our games have reached over 3.5 billion people. This could only be done by gathering exceptional talent and creating a culture to enhance team spirit and creativity. We are looking for passionate teammates to join our team! What You’ll Be Doing Create engaging video content and static visuals for marketing campaigns across multiple platforms Work with After Effects and relevant AI tools to produce high-quality animations Collaborate with the growth team to align on analytics and key performance metrics Bring a fresh perspective and artistic approach to video production, beyond pure technical execution Collaborate in brainstorming and offer out-of-the-box ideas to enhance our advertising content Desired skills and experiences Experience in After Effects Marketing mindset with a good sense of storytelling and visual communication Portfolio demonstrating video/motion work with a creative edge Strong attention to detail and ability to deliver under tight deadlines Interest in visual trends, pop culture, and new media formats Passion for Match Villains and mobile puzzle games in general Nice to have: Familiarity with AI tools, especially for image and video generation What makes our team so unique Feedback and transparency are at the heart of everything we do Exceptional and passionate people/team members Every idea counts Never-ending learning We never stop asking the questions “why” and “how”. Our Perks Team events and trips Flexible working schedule Great food On-site gym Full health benefits Compensation for paid military service Good Job Games Coin Program that lets you have unforgettable experiences (e.g. Going on a cruise trip to Norway or seeing the Northern Lights) This is an on-site role in Istanbul, Sarıyer. Unfortunately, we do not offer a fully-remote working option.

Want to work in technology at an investment bank? Paid graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches). Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel. mthree has an exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training. What you'll do: Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting. Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on. How the Alumni program works: Apply via this job advert. Complete our assessment process. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months. The vast majority then convert to permanent employees with the client at the end of the program. What you’ll learn at the mthree Academy: How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery. How to discuss common financial topics, including financial markets, equity trading, derivatives, currency, treasury, regulation, and risk. How to write a basic computer program in Python, including user

About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spending power, we are at a pivotal moment. We are scaling our operations, building new offerings, and deepening our impact. We are looking for teammates eager to join us on this journey. Our venture partners include First Round Capital and L Catterton. Products we’ve built to make an impact: Perpay Marketplace: Combines interest-free payments and modern e-commerce to reduce cost of ownership and promote healthy repayment behavior. Perpay+: Leverages Marketplace repayment history to help members monitor and build credit with all 3 credit bureaus. Perpay Credit Card: Expands access to the flexibility and benefits of a World Mastercard by removing common barriers like high security deposits and low approval odds. Our team thrives on in-person collaboration, operating from our unique center-city Philadelphia office. This comfortable "home away from home" space offers river views and fosters rapid product development, strong relationships, and career growth. The energy from achieving big wins is palpable here. While we primarily work in the office, we offer sensible flexibility for personal needs, such as sick children or urgent errands, and coordinate official remote weeks around major holidays. If you are passionate about a meaningful mission, collaboration, equity, and generous perks, Perpay is the best place to be in Philadelphia right now. About the Role: Perpay is seeking a driven Analyst to join our team as a key player in growing our impact on our customers’ financial futures. You

About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spending power, we are at a pivotal moment. We are scaling our operations, building new offerings, and deepening our impact. We are looking for teammates eager to join us on this journey. Our venture partners include First Round Capital and L Catterton. Products we’ve built to make an impact: Perpay Marketplace: Combines interest-free payments and modern e-commerce to reduce cost of ownership and promote healthy repayment behavior. Perpay+: Leverages Marketplace repayment history to help members monitor and build credit with all 3 credit bureaus. Perpay Credit Card: Expands access to the flexibility and benefits of a World Mastercard by removing common barriers like high security deposits and low approval odds. Our team thrives on in-person collaboration, operating from our unique center-city Philadelphia office. This comfortable "home away from home" space offers river views and fosters rapid product development, strong relationships, and career growth. The energy from achieving big wins is palpable here. While we primarily work in the office, we offer sensible flexibility for personal needs, such as sick children or urgent errands, and coordinate official remote weeks around major holidays. If you are passionate about a meaningful mission, collaboration, equity, and generous perks, Perpay is the best place to be in Philadelphia right now. About the Role: We are seeking an accountable, motivated, and detail-oriented Junior Financial Analyst to join Perpay’s Finance & Accounting T