Experienced Python Developer for Investment Banking

Junior Python DeveloperJoin our dynamic team at Consultadd4 as a Python Developer! We are seeking both entry-level and experienced developers who are passionate about crafting beautiful, high-performance, and maintainable software. In this role, you will utilize your foundational Python skills to contribute to exciting projects.Key Responsibilities:Exhibit strong communication skills in both verbal and written forms.Leverage Progressive Enhancement to integrate new techniques while ensuring inclusivity for all users.Work independently and collaboratively within a team environment.Ensure timely completion of projects within budget constraints.Demonstrate completed builds to technical leads, creative teams, and Creative Directors.Possess a strong understanding of client campaign priorities.Develop clean, reusable, and well-documented code.Be an effective member of our core Python/Ruby on Rails development team.Qualifications:Proficiency in basic Java, SQL, and data structures.Strong understanding of relational databases and SQL.Solid object-oriented analysis and design skills.Familiarity with Python, Ruby on Rails, AngularJS, JavaScript, and jQuery is a plus.Proficient in object-oriented programming with Java/J2EE.Basic knowledge of Linux/Unix and JUnit.Demonstrated success in writing high-quality code.Good grasp of computer science principles and algorithms.

About JuniorAt Junior, we are innovating the investment research landscape by developing advanced LLM-powered tools tailored for private market investors. Our clientele features some of the globe's leading private equity and consulting firms, collectively managing investments worth billions each year. We pride ourselves on being a profitable and bootstrapped enterprise, currently expanding our dynamic team of 24 across our London and NYC offices.Discover more about our mission and values here. Role DescriptionIn your role as a Backend Engineer, you will play a pivotal part in constructing and enhancing the systems that drive our AI-powered research platform. This systems-level position is perfect for engineers passionate about data flows, orchestration, and optimizing performance across intricate distributed systems.As one of our initial engineering team members, you will enjoy the distinctive chance to:Deliver results swiftlyDesign and scale backend systems that facilitate high-throughput LLM interactions, vector search, and multi-agent orchestration.Integrate AI infrastructure across various model providers, databases, and internal APIs to develop cohesive and effective systems.Take charge of reliability and observability, aiding in the evolution of our database (Postgres / ClickHouse) and job orchestration systems.Prototype innovative backend functionalities (retrieval pipelines, caching layers, async task queues) that empower quicker and smarter development.Influence our engineering culture About YouWe seek product-oriented backend engineers who:Are based in NYC, as we operate 5 days a week in-person.Are enthusiastic about the convergence of AI infrastructure and systems design.Have a track record of leading projects from inception to completion.Are eager to participate in product decisions.Possess proficiency in our technology stack: Next.js, TypeScript, PostgreSQL.Feel that there is always room for faster development.

About Junior Junior builds LLM-powered tools that support investment research for top deal teams. Our clients include several of the world’s largest private equity firms, Big 4 professional services, and leading consulting companies, organizations that collectively manage billions each year. We are a profitable, bootstrapped company with about 28 team members in London and New York. In 2025, we achieved 10x revenue growth and are on track for another 2-3x increase this year. Junior’s platform helps clients save an average of 10 hours per week, and we are expanding into sectors like investment banking, hedge funds, and research firms. Role Overview: Data Analyst This is Junior’s first dedicated data analyst role in New York City. The person in this position will build the foundation for analytics across the company, providing insights that clarify what drives user engagement, customer retention, and business growth. This role goes well beyond generating dashboards. The analyst will influence decision-making at a fast-growing AI startup, taking on a highly visible and impactful position from day one. Sample Projects Feature Adoption & Engagement Analysis: Examine how different features are used, segmenting by firm type, user role, and tenure. Deliver insights to the Product team for prioritization. Churn & Health Scoring: Build models that flag accounts at risk of churn, using product usage data to alert Customer Success before issues escalate. CRM Data Quality & Enrichment: Audit and improve CRM data. Develop pipelines to sync CRM with product usage, ensuring Sales has accurate account information. Sales Funnel Analysis: Map the acquisition funnel from first contact to closed deals. Identify bottlenecks and link product usage patterns to conversion rates. Executive Reporting: Create a weekly data summary for leadership, covering revenue, usage, pipeline health, and key anomalies. Move from ad hoc spreadsheets to automated reporting. What We’re Looking For We seek a data analyst who enjoys using data to shape business decisions and improve products. Candidates who thrive in a startup setting and want to make a visible impact will feel at home here.

About JuniorAt Junior, we are revolutionizing investment research with innovative, LLM-powered tools specifically designed for private market investors. Our clientele includes some of the top 10 private equity and consulting firms globally, managing investments worth billions each year. We are a profitable, bootstrapped startup with a dynamic team of 24 based in London and New York City, and we celebrated a remarkable 10x revenue growth in 2025.Discover more about our mission and values here. Role DescriptionWe are seeking a passionate and driven Product Manager to take charge of our core research workflow and help establish a dedicated product team to create 0-1 add-on products. This individual contributor role will involve managing daily product execution, collaborating closely with Customer Success, users, engineering, and design teams on specifications and trade-offs, overseeing quality assurance, and ensuring frequent product launches. The ideal candidate will have substantial opportunities for growth into a leadership position as our company expands. What you’ll doLead the roadmap and execution for the core research workflow.Engage closely with Customer Success and users to identify workflows, pain points, and define what excellence looks like.Collaborate with Engineering and Design to prioritize, scope, and expedite shipments.Drive QA and release readiness through testing plans, bug triage, launch checklists, and iteration strategies.Maintain alignment among stakeholders (founders, engineering, design, Customer Success) through effective, high-impact communication.Participate in sales and Customer Success calls to demonstrate the product and new features, clearly articulate capabilities, and translate customer needs into product priorities. What success looks likeIncreased shipping velocity (more high-quality releases and faster iteration loops); our aim is to launch one major new feature each week.Improved adoption of new features and modules (ensuring users discover, utilize, and continue using them).Enhanced customer responsiveness (faster feedback leading to clearer decisions and timely shipping of fixes and improvements).

About JuniorAt Junior, we are at the forefront of innovation, creating state-of-the-art tools powered by Large Language Models (LLMs) that enhance the investment research process for private market investors. Our clientele includes several of the top 10 private equity and consulting firms globally, collectively managing investments worth billions annually. As a profitable, bootstrapped startup, we are expanding our talented team of 24 professionals located in London and New York City.Discover more about our mission and values here. Role DescriptionAs one of our pioneering AI/ML engineers, you will have the unique opportunity to:Engage in innovative projects that blend LLMs with traditional machine learning techniques.Develop novel ideas for research synthesis utilizing NLP techniques and demonstrate their business impact.Collaborate closely with external partners to accelerate our growth trajectory.Influence product decisions, strategic direction, and prioritization.Help shape our engineering culture and practices.With over 20 enterprise clients already onboard and tens of thousands of interactions on our platform, there is ample data to analyze and enhance. Sample ProjectsCreate a search ranking algorithm that leverages user interaction signals alongside semantic and PostgreSQL-based text search to enhance relevance and accuracy.Develop a proprietary prompt system that continuously refines prompts and outputs based on production signals and human feedback.Open source a benchmark for evaluating LLM outputs specifically for investment research tasks.Design a deduplication system that utilizes in-app signals and external data sources for accurate entity resolution from speech-to-text outputs.Construct a custom knowledge graph for each research sprint, transforming unstructured interview data into actionable insights while dynamically integrating relevant data.

About JuniorAt Junior, we are revolutionizing the investment research landscape with innovative LLM-powered tools designed specifically for private market investors. Our clientele includes some of the world's leading private equity and consulting firms, collectively managing billions in annual investments. As a profitable and bootstrapped startup, we pride ourselves on our dynamic team of 24 professionals located in both London and New York City.Discover more about our mission and values here. Role OverviewAs one of our inaugural engineering team members, you will have the exceptional chance to:Rapidly deliver high-quality featuresConceptualize and develop new methods for interacting with technologyEngage in pioneering projects involving LLMsCollaborate closely with our partners to drive growthInfluence product direction and prioritize initiativesHelp shape our engineering culture from the ground up Sample ProjectsDevelop innovative products to integrate diverse research inputsCreate a voice-to-voice survey tool that autonomously performs high-volume research tasks with minimal latencyLaunch a mobile application from the ground up within three weeksConstruct segmented knowledge graphs from the transformation of unstructured into structured dataDesign an AI-native CRM system linked to the aforementioned knowledge graph About YouWe are searching for product-focused full-stack engineers who:Are based in NYCAre enthusiastic about making substantial contributions to product strategyPossess excellent communication abilities and enjoy client interactionAre skilled in our technology stack: Next.js, TypeScript, PostgreSQLBonus points for experience in developing and designing AI-driven products!Are driven to build rapidly and efficiently

About JuniorAt Junior, we are pioneering advanced LLM-powered tools designed to revolutionize the investment research process for private market investors. Our clientele includes some of the top 10 private equity and consulting firms worldwide, managing investments worth billions annually. As a profitable and bootstrapped company, we have a vibrant team of 24 based in London and New York City.Discover more about our mission and values here. Role DescriptionAs one of our inaugural engineering interns, you will have the unique chance to:Rapidly deploy solutionsDesign and develop innovative methods for interacting with technologyEngage in pioneering projects that utilize LLMsCollaborate intimately with external partners to drive our expansionInfluence product strategy, direction, and prioritizationHelp cultivate our engineering culture Project HighlightsDevelop new innovative products at Junior to incorporate a wider array of research inputsCreate a voice-to-voice survey tool with ultra-low latency capable of autonomously performing large-scale research tasksConstruct a mobile application from the ground up in just 3 weeksBuild segmented knowledge graphs to transform unstructured data into structured formatsDevelop an AI-native CRM system linked deeply to the aforementioned knowledge graph About YouWe seek product-oriented full-stack engineers who:Reside in NYCAre motivated to participate in product decisionsPossess excellent communication skills and an interest in client-facing rolesAre skilled in our tech stack: Next.js, TypeScript, PostgreSQLBonus points for experience in designing and building AI-powered products!Have a strong desire to accelerate development processes

About JuniorAt Junior, we are at the forefront of developing innovative LLM-powered tools designed to enhance the investment research experience for private market investors. Our esteemed clientele includes some of the world's leading private equity and consulting firms, responsible for managing billions in investments annually. As a profitable and bootstrapped company, we boast a dynamic team of 17 members operating out of London and New York City.Discover more about our mission and values here. Role DescriptionAs our inaugural NLP/ML hire, you will have the exceptional chance to:Transform product and business requirements into applied ML/NLP solutions, generating innovative research synthesis concepts and validating their business impact through rapid prototyping.Design and enhance retrieval, search, and ranking algorithms by integrating semantic embeddings, behavioral signals, and structured database queries, while also creating custom reranking models.Fine-tune SLMs/LLMs for tasks requiring high accuracy and low latency such as classification, query rewriting, summarization, and personalization.Utilize advanced alignment and reliability methodologies (e.g., DPO, fine-tuning strategies, evaluation-driven iteration) to elevate user experience and trust.Experiment with summarization and synthesis techniques to convert extensive sets of unstructured interview notes into actionable insights.Engage in product decisions, direction, and prioritization.Influence our engineering culture.With over 20 enterprise clients already onboard and tens of thousands of interactions on our platform, there is ample opportunity for data enhancement and innovation. About YouWe seek product-oriented ML engineers who:Are based in NYC.Possess a solid background as an NLP/ML researcher with expertise in RAG, LLMs, and Generative AI pipelines.Have a proven track record in building production-grade ML systems, including search, information retrieval, and structured outputs.Exhibit excellent communication skills and are eager for a client-facing role.

Join our dynamic team at eproinc as a Java and Python Developer. We are looking for a talented developer with experience in both Java and Python to contribute to our innovative projects. You will work closely with cross-functional teams to design, develop, and implement robust applications that meet our business needs.

Join our dynamic team at 360IT Professionals as a Python/Django Developer. In this role, you will leverage your expertise in Python and Django to build robust web applications and contribute to exciting projects that impact our clients. You will collaborate with cross-functional teams to enhance existing systems and develop new functionality that meets our clients' needs.

Join eproinc as a Java/Python Developer in the vibrant city of New York! We are looking for a talented individual with a passion for software development and a knack for problem-solving. You will be part of our dynamic consulting team, working on challenging projects that drive real impact for our clients.In this role, you will leverage your expertise in Java and Python to design, develop, and maintain innovative software solutions. Your contributions will be crucial in enhancing our client offerings and delivering top-notch service.

Join our dynamic team at 360 IT Professionals as a Python/Django Developer. In this role, you will have the opportunity to design and develop scalable web applications using Python and Django frameworks. You will collaborate with cross-functional teams to create innovative solutions that meet the needs of our clients. This position is perfect for individuals passionate about technology and eager to expand their skill set in a supportive environment.

Join our dynamic team at eproinc as a Python Developer. In this role, you will work closely with our software development team to design, implement, and maintain robust Python applications. This is an exciting opportunity to contribute to innovative projects while leveraging your expertise in Python programming.

Join our dynamic team at Ag Technologies 1 as a Junior Java Developer. We are seeking a motivated and enthusiastic individual who is passionate about software development and eager to grow their skills. In this role, you will be involved in designing, developing, and maintaining Java applications, collaborating with cross-functional teams, and contributing innovative solutions to enhance our products.

Join our dynamic team as a Junior HTML Developer in the vibrant city of New York! We are looking for a passionate individual who is eager to grow their skills in web development and contribute to exciting projects. You will work closely with our experienced developers to create and maintain user-friendly web interfaces, ensuring high performance and responsiveness.

Join our dynamic team at USTech Solutions as a Mid-Senior Level Python Developer! We are seeking an innovative and skilled developer who thrives in a fast-paced environment. Your role will involve designing, developing, and maintaining high-performance applications using Python. You will collaborate with cross-functional teams to implement solutions that meet our clients' needs.

Join our dynamic team at eproinc as a Java and Python Developer. We are seeking a skilled developer with a strong background in both Java and Python programming languages. In this role, you will work on exciting projects that require innovative solutions and technical expertise. You will collaborate with cross-functional teams to design, develop, and maintain software applications that meet our clients' needs.If you are passionate about coding, enjoy problem-solving, and thrive in a fast-paced environment, we want to hear from you!

Join our dynamic in-house Culinary team as a Junior Recipe Developer! In this role, you will work closely with our Product Innovation, Menu Planning, and Product Insights teams to shape the future of our culinary offerings. Your primary focus will be on researching, developing, and testing innovative recipes while providing crucial insights on process enhancements and analyzing food trends, ingredients, and customer preferences. This position supports both HelloFresh and EveryPlate brands.Your Responsibilities Include:Assess and cross-evaluate recipes to ensure top-notch execution, compatibility of ingredients, adherence to guidelines, and especially flavor. Suggest enhancements to elevate taste and ensure consistent outcomes that cater to home cooks of all skill levels.Research and create new recipes that meet budgetary, nutritional, and variety constraints, utilizing product insights, food trends, customer feedback, and our extensive recipe database to craft exciting and successful dishes. Analyze feedback on new recipes and refine processes to perfect them.Engage in culinary team tastings, sharing insights and collecting feedback on recipe flavor and composition. Recommend necessary adjustments to recipes, processes, or directions based on analysis.Explore and experiment with emerging food trends, ingredients, and dietary preferences.Participate in innovation workshops alongside the Product Innovation team to influence the future direction of our menu.Propose modifications to existing recipes and instructions to reinvigorate products and enhance score improvement while addressing operational challenges.Gain in-depth knowledge of HelloFresh and EveryPlate’s unique menu offerings. Become an expert in our customers' preferences and flavor profiles, applying this understanding when evaluating recipes and processes.Review recipes for editorial standards and guideline compliance prior to customer launch; recommend changes as necessary.Analyze customer feedback and maintain an accurate guidelines tracker, including updates for new methods or ingredients based on this feedback.Collaborate with various stakeholders across the business to provide culinary expertise on projects and new initiatives.

Join eproinc as a Java/Python Developer and become an integral part of our consulting team. We are seeking a skilled developer who is passionate about creating robust, scalable applications using Java and Python. In this position, you will collaborate with cross-functional teams to design, develop, and maintain applications that meet our clients' needs.